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Keysight U8903B User’s Guide

List of Figures

Figure 1-1

U8903B front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

Figure 1-2

U8903B rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40

Figure 1-3

Connect the TOSLINK cable straight into the connector . . . . . . . . . . . . .41

Figure 1-4

U8903B LCD display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Figure 1-5

Help mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Figure 1-6

System > Update menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Figure 1-7

Recall menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Figure 1-8

System > Service > Self-Test menu page . . . . . . . . . . . . . . . . . . . . . . . . .48

Figure 1-9

System > Service > Options menu page . . . . . . . . . . . . . . . . . . . . . . . . . .49

Figure 1-10

Recall menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Figure 2-1

U8903B analog generator block diagram . . . . . . . . . . . . . . . . . . . . . . . . .53

Figure 2-2

U8903B analog analyzer block diagram . . . . . . . . . . . . . . . . . . . . . . . . . .54

Figure 2-3

U8903B digital generator and analyzer block diagram . . . . . . . . . . . . . .55

Figure 2-4

U8903B

Bluetooth

generator and analyzer block diagram . . . . . . . . . . .56

Figure 2-5

Direct U8903B Bluetooth audio connection to DUT example . . . . . . . . .57

Figure 2-6

Wireless U8903B Bluetooth audio connection to DUT example . . . . . . .57

Figure 2-7

Navigation and CHANNEL/DATA panels . . . . . . . . . . . . . . . . . . . . . . . . .58

Figure 2-8

U8903B mode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

Figure 2-9

Full screen graph display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Figure 2-10

4-panel view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Figure 2-11

10-panel view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

Figure 2-12

Graph analysis mode 2-panel view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

Figure 2-13

Peak Search menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Figure 2-14

Peak Search > Threshold menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

Figure 2-15

Marker menu page 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70

Figure 2-16

Marker > Marker - menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

Figure 2-17

Marker > Harmonics menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

Figure 2-18

Scale menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74

Figure 2-19

Magnified graph display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

Figure 2-20

Edit zoom mode display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76

Figure 2-21

Preset menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78

Figure 2-22

Utility menu page (generator and analyzer mode) . . . . . . . . . . . . . . . . . .79

Figure 2-23

Utility menu page (graph analysis mode) . . . . . . . . . . . . . . . . . . . . . . . . .80

Figure 2-24

File Explorer menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .81

Figure 2-25

System menu page 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .82

Figure 2-26

System > Error Info menu page (Error) . . . . . . . . . . . . . . . . . . . . . . . . . . .83

Figure 2-27

System > I/O menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84

Figure 2-28

System > I/O > Lan Settings menu page 1 . . . . . . . . . . . . . . . . . . . . . . . .85

Figure 2-29

System > Service menu page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86

Figure 2-30

System > Settings menu page 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

Figure 2-31

System > HP8903B Config menu page . . . . . . . . . . . . . . . . . . . . . . . . . . .89

Figure 2-32

System > Fan & Temperature menu page . . . . . . . . . . . . . . . . . . . . . . . . .90

Содержание U8903B

Страница 1: ...Keysight U8903B Performance Audio Analyzer User s Guide ...

Страница 2: ...herwise provide the govern ment rights in excess of these rights customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are explicitly requir...

Страница 3: ...on of the instrument Direct current DC Alternating current AC Off mains supply On mains supply Caution risk of electric shock Caution risk of danger refer to this manual for specific Warning or Caution information Earth ground terminal Frame or chassis ground terminal Protective earth ground terminal Equipment protected throughout by double insulation or reinforced insulation ...

Страница 4: ...the cables provided Observe all markings on the device before establishing any connection Turn off the device and application system power before connecting to the I O terminals When servicing the device use only the specified replacement parts Do not operate the device with the cover removed or loosened Use only the power adapter provided by the manufacturer to avoid any unexpected hazards This e...

Страница 5: ...l environmental requirements for this instrument Environmental condition Requirement Temperature Operating condition 0 C to 55 C Storage condition 40 C to 70 C Humidity Operating condition 50 to 95 RH at 40 C non condensing Storage condition Up to 95 RH at 40 C non condensing Altitude Up to 3000 m Pollution degree 2 Installation category II Measurement category I ...

Страница 6: ...g safety and Electromagnetic Compatibility EMC compliances Safety compliance IEC 61010 1 2010 EN 61010 1 2010 Canada CAN CSA C22 2 No 61010 1 12 USA ANSI UL Std No 61010 1 3rd Edition EMC compliance IEC 61326 1 2005 EN61326 1 2006 Canada ICES 001 2004 Australia New Zealand AS NZS CISPR11 2004 ...

Страница 7: ...WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste The RCM mark is a registered trademark of the Australian Communications and Media Authority This symbol is a South Korean Class A EMC Declaration This is a Class A instrument suitable for professional use and in electromagnet...

Страница 8: ...ssified as a Monitoring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Center or visit www keysight com environment product for more information Sales and Technical Support To contact Keysight for sales and technical support refer to the support links on t...

Страница 9: ...ting Started Introduction 34 LXI Standard 1 4 Compliant Audio Analyzer 34 Installation and Configuration 35 Initial inspection 35 Ventilation 35 Rack mounting 35 Standard Shipped Items 36 Optional Accessories 36 U8903B Options 37 Product at a Glance 38 Front panel 38 Rear panel 40 LCD display 42 Getting Started 44 Power on the U8903B 44 Preset the U8903B 44 Access the help mode 45 Update the U8903...

Страница 10: ...RAPH Panel 67 Peak Search 68 Marker 70 Scale 74 Zoom 75 Edit zoom 76 SYSTEM Panel 77 Preset 78 Utility 79 System 82 RUN CONTROL Panel 93 Save and Recall 94 Save 94 Recall 95 3 Audio Generator Functions Audio Generator 99 Waveform Configuration 102 Sine waveform 102 Variable phase waveform 104 Dual waveform 106 SMPTE IMD waveforms 1 1 4 1 10 1 108 DFD IEC waveforms IEC 60118 IEC 60268 110 Gaussian ...

Страница 11: ...ut Configuration Digital Generator 157 AES3 SPDIF Output Configuration Digital Generator 159 Edit Bits Consumer format 160 Edit Bits Professional format 165 References Analog Generator 171 References Digital and Bluetooth Generator 172 4 Audio Analyzer Measurement Functions Audio Analyzer 175 Measurement mode Digital Analyzer 179 Functions 182 Measurement Functions 184 Frequency measurement 184 AC...

Страница 12: ...nalog Digital and Bluetooth Analyzer 244 Input Configuration Analog Analyzer 246 Input Configuration Digital Analyzer 248 Link Configuration Bluetooth Analyzer 250 DSI Input Configuration Digital Analyzer 251 AES SPDIF Input Configuration Digital Analyzer 253 Bits Analysis Digital Analyzer 254 Wave File Analog Digital and Bluetooth Analyzer 255 Statistics 257 5 Graph Analysis Graph Analysis 260 Gr...

Страница 13: ...nce 297 IO Configuration 298 Settings 299 Properties 306 Sub steps 307 Prompt sub step settings 308 Send SCPI sub step settings 309 Measurements 310 Properties 312 AC level 313 Frequency 316 Phase 319 SNR 322 THD N 327 DC level 331 Crosstalk 334 SMPTE IMD 337 DFD IMD 340 Multitone analyzer 343 Stepped frequency sweep 346 SMPTE frequency sweep 351 DFD frequency sweep 354 External frequency sweep 35...

Страница 14: ... Tree 424 Appendix 4 Analog Generator Menu Tree 428 Appendix 5 Digital Generator Menu Tree 432 Appendix 6 Bluetooth Generator Menu Tree 443 Appendix 7 Analog Analyzer Menu Tree 450 Appendix 8 Digital Analyzer Menu Tree 462 Appendix 9 Bluetooth Analyzer Menu Tree 474 Appendix 10 Graph Analysis Menu Tree 486 Appendix 11 Sweep Function Menu Tree 490 Appendix 12 Save Menu Tree 493 Appendix 13 Recall M...

Страница 15: ...with the analog generator and viewing the multitone spectrum in the graph 575 Example 4 Running the Test Sequence App for the multitone analyzer measurement 577 Example 5 Configuring the system clock reference settings 579 Example 6 Configuring the digital generator DSI output settings 580 Appendix 23 Relationship between Digital Waveform Parameters and Channels 581 Appendix 24 Word Length Samplin...

Страница 16: ...16 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 17: ...HANNEL DATA panels 58 Figure 2 8 U8903B mode selection 60 Figure 2 9 Full screen graph display 64 Figure 2 10 4 panel view 65 Figure 2 11 10 panel view 65 Figure 2 12 Graph analysis mode 2 panel view 66 Figure 2 13 Peak Search menu page 68 Figure 2 14 Peak Search Threshold menu page 69 Figure 2 15 Marker menu page 1 70 Figure 2 16 Marker Marker menu page 72 Figure 2 17 Marker Harmonics menu page 7...

Страница 18: ...3 13 Analog Generator Waveform Config menu page SMPTE 1 1 waveform 108 Figure 3 14 Digital Generator Waveform Config menu page SMPTE 1 1 waveform 108 Figure 3 15 Bluetooth Generator Waveform Config menu page SMPTE 1 1 waveform 109 Figure 3 16 Analog Generator Waveform Config menu page IEC 60118 waveform 110 Figure 3 17 Digital Generator Waveform Config menu page IEC 60118 waveform 110 Figure 3 18 ...

Страница 19: ...eform 132 Figure 3 46 Digital Generator Waveform Config menu page arbitrary waveform 132 Figure 3 47 Bluetooth Generator Waveform Config menu page arbitrary waveform 133 Figure 3 48 Analog Generator Waveform Config menu page 1 multitone waveform 134 Figure 3 49 Digital Generator Waveform Config menu page 1 multitone waveform 134 Figure 3 50 Bluetooth Generator Waveform Config menu page 1 multitone...

Страница 20: ... menu page 1 185 Figure 4 12 Analog Analyzer Functions AC Voltage menu page 1 187 Figure 4 13 Digital Analyzer Functions AC Voltage menu page 1 188 Figure 4 14 Bluetooth Analyzer Functions AC Voltage menu page 1 188 Figure 4 15 Analog Analyzer Functions DC Voltage menu page 1 191 Figure 4 16 Digital Analyzer Functions DC Voltage menu page 1 192 Figure 4 17 Bluetooth Analyzer Functions DC Voltage m...

Страница 21: ... Figure 4 55 Bluetooth Analyzer Filter Config Notch Filter menu page 237 Figure 4 56 Analog Analyzer Meas Config menu page 1 238 Figure 4 57 Digital Analyzer Meas Config menu page 240 Figure 4 58 Bluetooth Analyzer Meas Config menu page 242 Figure 4 59 Analog Analyzer Meas Config Trigger menu page 244 Figure 4 60 Digital Analyzer Meas Config Trigger menu page 244 Figure 4 61 Bluetooth Analyzer Mea...

Страница 22: ...ct Properties menu page 296 Figure 7 5 TSA Project Test menu page 297 Figure 7 6 TSA Project Test IO Configuration menu page 298 Figure 7 7 TSA Project Test IO Configuration Output Configuration menu page Analog 299 Figure 7 8 TSA Project Test IO Configuration Output Configuration menu page Bluetooth 301 Figure 7 9 TSA Project Test IO Configuration Input Configuration menu page Analog 302 Figure 7...

Страница 23: ...l Sweep Signal Generation settings menu page 363 Figure 7 46 Stepped Level Sweep Signal Analysis settings menu page 365 Figure 7 47 SMPTE Level Sweep Signal Generation settings menu page 368 Figure 7 48 SMPTE Level Sweep Signal Analysis settings menu page 370 Figure 7 49 DFD Level Sweep Signal Generation settings menu page 372 Figure 7 50 DFD Level Sweep Signal Analysis settings menu page 374 Figu...

Страница 24: ... test configuration 3 568 Figure A 7 DSI test configuration 4 569 Figure A 8 DSI test configuration 5 570 Figure A 9 Digital generator sine waveform generation 571 Figure A 10 Digital analyzer voltage measurement 572 Figure A 11 Bluetooth generator sine waveform generation 574 Figure A 12 Analog analyer multitone waveform measurement 576 Figure A 13 Graph analysis for multitone spectrum 576 Figure...

Страница 25: ...ion 78 Table 2 13 Utility menu description generator and analyzer mode 79 Table 2 14 Utility menu description graph analysis mode 80 Table 2 15 File Explorer menu description 81 Table 2 16 Error Info menu description 83 Table 2 17 I O menu description 84 Table 2 18 System I O Lan Settings menu description 85 Table 2 19 System Service menu description 86 Table 2 20 System Settings menu description ...

Страница 26: ...rm Config menu description constant 129 Table 3 20 Digital Generator Waveform Config menu description walking zero 130 Table 3 21 Digital Generator Waveform Config menu description walking one 131 Table 3 22 Analog Digital Bluetooth Generator Waveform Config menu description arbitrary waveform 133 Table 3 23 Analog Digital Bluetooth Generator Waveform Config menu description multitone waveform 135...

Страница 27: ...tooth Analyzer Functions AC Voltage menu description 189 Table 4 8 Analog Digital Bluetooth Analyzer Functions DC Voltage menu description 193 Table 4 9 Analog Digital Bluetooth Analyzer Functions THD N Ratio menu description 196 Table 4 10 Analog Digital Bluetooth Analyzer Functions THD N Level menu description 198 Table 4 11 Analog Digital Bluetooth Analyzer Functions SINAD menu description 201 ...

Страница 28: ... description 266 Table 5 5 Graph Analysis Trace Settings Memory menu description 268 Table 5 6 Graph Analysis Trace Settings Math menu description 269 Table 5 7 Graph Analysis Trace Settings Persistence menu description 270 Table 5 8 Graph Analysis Harm Settings menu description Harmonics display 274 Table 5 9 Graph Analysis Measurement menu description 276 Table 5 10 Graph Analysis Measurement Me...

Страница 29: ...ation settings menu description 335 Table 7 29 Crosstalk Signal Analysis settings menu description 336 Table 7 30 SMPTE IMD Signal Generation settings menu description 338 Table 7 31 SMPTE IMD Signal Analysis settings menu description 339 Table 7 32 DFD IMD Signal Generation settings menu description 341 Table 7 33 DFD IMD Signal Analysis settings menu description 342 Table 7 34 Multitone Analyzer...

Страница 30: ...ble 8 1 U8903B LCD display description 409 Table 8 2 HP8903B Measurement menu description 410 Table 8 3 HP8903B unit charts 411 Table 8 4 HP8903B Generator menu description 412 Table 8 5 HP8903B Sweep menu description 413 Table 8 6 HP8903B special function code list description 414 Table 8 7 Floating input settings 416 Table 8 8 Floating output settings 416 Table 8 9 Floating output settings and s...

Страница 31: ...rement settings External Level Sweep menu tree description 540 Table A 35 Measurement settings Measurement Recorder menu tree description 543 Table A 36 Measurement settings Voice Quality menu tree description 546 Table A 37 Measurement Results Bar chart menu tree description 548 Table A 38 Measurement results Graph menu tree description 549 Table A 39 HP8903B menu tree description 552 Table A 40 ...

Страница 32: ...32 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 33: ... Standard Shipped Items 36 Optional Accessories 36 U8903B Options 37 Product at a Glance 38 Front panel 38 Rear panel 40 LCD display 42 Getting Started 44 Power on the U8903B 44 Preset the U8903B 44 Access the help mode 45 Update the U8903B 46 Perform self test 48 Add or remove U8903B options 49 This chapter teaches you how to set up the U8903B for the first time A summary of all the features of t...

Страница 34: ...og audio and digital audio interfaces such as analog audio AES3 SPDIF analog audio DSI and AES3 SPDIF DSI The Bluetooth audio interface provides the U8903B with Bluetooth link capabilities with support for different audio profiles and codecs The U8903B also supports industrial standard instrument connectivity such as GPIB USB and LAN In addition the U8903B is equipped with frequency phase time and...

Страница 35: ...ure range of 0 C to 55 C The U8903B is cooled by drawing air through the sides and bottom at the front of the U8903B and exhausting it through the ventilation holes on the sides and top at the rear of the U8903B The U8903B must be installed in a location that allows sufficient space at the top sides and rear for adequate air circulation Rack mounting The U8903B can be mounted in a standard 19 inch...

Страница 36: ...cate of Calibration Safety Notices Optional Accessories The following accessories are available for purchase separately Table 1 1 U8903B optional accessories Option Description U8903A 101 Male BNC to male BNC cable 1 2 m U8903A 102 Male BNC to male RCA cable 2 m U8903A 103 Male XLR to female XLR cable 2 m U8903B 105 Digital serial interface cable U8903A 106 Male XLR to male BNC cable 0 26 m U8903A...

Страница 37: ...ard U8903B BLU Bluetooth card with 2 RF connectors U8903B BL2 Bluetooth card with 2 RF connectors at a secondary option slot This is only applicable when U8903B AN8 is selected N3431A Wide bandwidth option 1 5 MHz fixed perpetual license This is only available for channel 1 and channel 2 analog analyzer N3433A POLQA and Perceptual Evaluation of Speech Quality PESQ measurements software fixed perpe...

Страница 38: ... and channel data keys Refer to Navigation and CHANNEL DATA Panels on page 58 for more information 4 Menu key Displays the available U8903B mode of operation Standard View Test Seq App HP8903B 5 FUNCTION panel Enables access to the U8903B main functions 6 Run control panel Press On Off to turn on or off signal generation or measurements for the selected generator or analyzer channel respectively P...

Страница 39: ...o be connected to the U8903B 11 Analog analyzer input Receives analog audio signal using a female XLR input connector for balanced signal and a female BNC input connector for unbalanced signal The input connectors are available for each channel 12 Analog generator output Outputs analog audio signal using a male XLR output connector for balanced signal and a female BNC output connector for unbalanc...

Страница 40: ...alanced input The input connectors are available for each channel 4 Bluetooth RF ports For all applicable Bluetooth options refer to U8903B Options on page 37 Receives and transmits audio signal through the RF1 and RF2 connectors The RF1 connector is the default port and the RF2 port can be selected in the U8903B s GUI Only one RF port can be used at a time 5 Digital analyzer input and output AES3...

Страница 41: ...dio signal using a female BNC input connector and a female BNC output connector respectively 15 Digital analyzer input and output DSI This is only applicable for option U8903B DGT Receives and outputs digital audio signals using a 25 pin female D SUB connector 16 AUX port Outputs a variable DC voltage 0 5 V to 5 1 V up to 100 mA The AUX port can be used to power test devices as a trigger or to con...

Страница 42: ...1 Getting Started 42 Keysight U8903B User s Guide LCD display Figure 1 4 U8903B LCD display 2 3 1 4 ...

Страница 43: ...bar Displays the name of the current active menu in the main display Displays the following icons LAN connected LAN disconnected LAN conncted with error Bluetooth connected Bluetooth disconnected LXI front panel turned on External USB flash storage connected Shift function Remote control mode Front panel keys locked Help mode Warning Fan s malfunctioned Memory buffer 3 Softkeys panel Displays a ma...

Страница 44: ...903B to a default state It does not affect the I O configuration calibration data system configurations time date model number and serial number and license information Refer to Appendix 19 DSI Input and Output Interface on page 564 for more information To preset the U8903B you can perform either one of the following steps Send the RST SYSTem PRESet SYSTem PRESet TYPE or SYSTem RESet MODE SCPI com...

Страница 45: ...e press on the CHANNEL DATA panel and on the SYSTEM panel An example of a help mode is shown in Figure 1 5 The help mode icon will appear at the top right of the title bar Refer to Figure 1 5 for more information on the help mode icon Press the front panel keys or the current menu page softkeys to display the respective information Figure 1 5 Help mode NOTE When the U8903B help mode is activated t...

Страница 46: ...page is displayed as shown in Figure 1 6 Figure 1 6 System Update menu page 5 Press the Load File softkey and the recall menu page is displayed to enable you to select the source location 6 Select the firmware file to be updated and press the Recall softkey as shown in Figure 1 7 Refer to Recall on page 95 for more information on the Recall menu page Table 1 6 System Update menu page Menu Descript...

Страница 47: ...The System menu page is only available in the Standard mode Refer to Menu Key on page 60 for more information on the U8903B available modes CAUTION The firmware update process may take 20 minutes to 40 minutes to complete DO NOT power off the U8903B during the firmware update process ...

Страница 48: ...e Run Test softkey to run the slected tests Figure 1 8 System Service Self Test menu page Table 1 7 System Service Self Test menu page Menu Description Customize Test Press the Customize softkey to select or deselect the desired tests LAN Test Card Self Test Run Test Press the Run Test softkey to run the selected tests Clear Result Press the Clear Result softkey to clear the previous self test res...

Страница 49: ...e 1 9 System Service Options menu page 4 Press the Add option softkey and the Recall menu page is displayed to enable you to select the U8903B option file 5 Select the U8903B option file to be loaded and press the Recall softkey as shown in Figure 1 10 Table 1 8 System Service Options menu page Menu Description Add Option Press the Add Option softkey to load the U8903B option file The Recall menu ...

Страница 50: ...lect the U8903B option to be removed from the list 2 Press the Remove Option softkey to remove the U8903B option as shown in Figure 1 9 NOTE Restart the U8903B after adding a new U8903B option file NOTE The System menu page is only available in the Standard mode Refer to Menu Key on page 60 for more information on the U8903B available modes ...

Страница 51: ...7 Navigation and CHANNEL DATA Panels 58 Menu Key 60 Standard View 61 Test Sequence Application Test Seq App 62 HP8903B 62 FUNCTION Panel 63 Full screen 64 Display mode 65 GRAPH Panel 67 Peak Search 68 Marker 70 Scale 74 Zoom 75 Edit zoom 76 SYSTEM Panel 77 Preset 78 Utility 79 System 82 RUN CONTROL Panel 93 Save and Recall 94 Save 94 Recall 95 This chapter describes the test capabilities key featu...

Страница 52: ...table audio playback devices such as MP3 players Speakers require third party accessories such as microphones and power amplifiers PC audio cards Audio components Bluetooth audio devices The U8903B performs the following two basic functions Audio signal generation Audio signal analysis The U8903B basic configuration has two channels of analog generator and two channels of analog analyzer which ena...

Страница 53: ...t digital to analog converter DAC where it is converted to voltage and sent to the output conditioning block to be amplified or attenuated to the required amplitude Finally the waveform is routed through either the balanced XLR or unbalanced BNC output signal connectors to the unit under test UUT The output can also be fully floating or have the output grounded to the instrument ground There is al...

Страница 54: ...gh However if DC coupling is selected the entire signal passes through The attenuators buffer gain and common mode rejection CMR conditions the signal to as close to the full scale of the analog to digital converter ADC as possible optimizing the measurement dynamic range There are two separate ADCs in the analog analyzer The low bandwidth ADC is designed for best performance in the audio bandwidt...

Страница 55: ...the device under test DUT Measurement A digital audio signal can enter the digital analyzer through the balanced XLR unbalanced BNC optical TOSLINK or digital serial interface DSI input signal connector For balanced unbalanced and optical input the audio signal then passes through the AES receiver For DSI input the audio signal then passes through serial audio receiver The audio signal is sent to ...

Страница 56: ...devices through the RF1 connector The RF1 connector is the default port and the RF2 port can be selected in the U8903B s GUI Measurement The audio signal enters the Bluetooth analyzer through the RF1 connector The audio signal then passes through the U8903B Bluetooth module in which the audio will be decoded and converted to the digital interface and sent to the Bluetooth analyzer Inside the Bluet...

Страница 57: ...is shown as follows Figure 2 5 Direct U8903B Bluetooth audio connection to DUT example An example of a wireless U8903B Bluetooth audio connection using an antenna is shown as follows Figure 2 6 Wireless U8903B Bluetooth audio connection to DUT example DUT RF cable RF cable DUT Shielded chamber Link antenna CAUTION Over the air testing shall be conducted in a shielded chamber ...

Страница 58: ...increase or decrease a numeric value change a highlighted digit or character or step through lists or items in a row 2 Arrow keys Use the arrow keys to highlight or navigate the editable items on the LCD display for editing In HP8903B mode press the up and down arrow keys to increment decrement the frequency and amplitude values 3 Enter key Press to confirm an entry 4 Numeric keys Use the numeric ...

Страница 59: ...ate the DTMF tone 6 Shift key Press prior to pressing a shifted function key The shifted functions are printed in Blue on top of the front panel keys Refer to GRAPH Panel on page 67 and SYSTEM Panel on page 77 for more information 7 Escape key Press to cancel a selected action 8 Back space key Press to delete the character to the left of the cursor Table 2 1 Navigation and CHANNEL DATA panels desc...

Страница 60: ...2 8 Figure 2 8 U8903B mode selection The U8903B modes are listed as follows Table 2 2 U8903B modes description Mode Description Standard View The Standard View mode is the default mode for the U8903B Refer to Standard View on page 61 for more information Test Seq App Refer to Test Sequence Application Test Seq App on page 62 for more information HP8903B Refer to HP8903B on page 62 for more informa...

Страница 61: ...n the respective configurations Graph analysis Press on the FUNCTION panel to access the graph analysis mode Refer to Chapter 5 Graph Analysis for more information on the graph analysis mode configurations Sweep function Press on the FUNCTION panel to access the U8903B sweep parameter and the configurations Refer to Chapter 6 Sweep Function for more information on the sweep configurations System c...

Страница 62: ...uence application mode The test sequence application mode allows you to perform a series of automated measurements Refer to Chapter 7 Test Sequence Application for more information HP8903B Press and select HP8903B to access the HP8903B mode The HP8903B mode emulates the HP8903B audio analyzer behavior Refer to Chapter 8 HP8903B for more information ...

Страница 63: ...ter 5 Graph Analysis for more information Sweep Press to access the sweep function mode Refer to Chapter 6 Sweep Function for more information Full Screen Press to maximize the graph view to the full display size This function is only applicable in the graph analysis mode Refer to Full screen on page 64 for more information Display Press to switch among the 2 panel view 4 panel view or 10 panel vi...

Страница 64: ...r s Guide Full screen The full screen graph display is displayed as shown in Figure 2 9 To exit from the full screen graph display press Figure 2 9 Full screen graph display NOTE The full screen function is only available in the graph analysis mode ...

Страница 65: ...d Features 2 Keysight U8903B User s Guide 65 Display mode The U8903B allows you to display up to ten panels on the main display in the analyzer and generator mode Figure 2 10 4 panel view Figure 2 11 10 panel view ...

Страница 66: ...2 Operation and Features 66 Keysight U8903B User s Guide The U8903B allows you to display up to two panels on the main display in the graph analysis mode Figure 2 12 Graph analysis mode 2 panel view ...

Страница 67: ... information Marker Press to access the marker softkeys that select the current and reference markers and turns them on and off You may also move the markers display the marker measurement data and display the section of the graph based on the selected marker position Refer to Marker on page 70 for more information Print Shift Marker Press and to print the current display to a file Refer to Save o...

Страница 68: ... Press the Next Peak softkey to search and move the active marker to the next peak which is higher than the peak threshold value If the active maker is off the marker will be turned on before performing the next peak operation Prev Peak Press the Prev Peak softkey to search and move the active marker to the previous peak which is higher than the peak threshold value If the active maker is off the ...

Страница 69: ... determine the peak and minimum threshold Peak threshold green line Minimum threshold orange line Peak Thres Press the Peak Thres softkey to set the peak threshold value A peak has to be higher than the peak threshold value in order to be taken into consideration when a peak search is performed Min Thres Press the Min Thres softkey to set the minimum threshold value A minimum has to be lower than ...

Страница 70: ... page 1 NOTE The Marker menu page is only available in the graph analysis mode Table 2 7 Marker menu description Menu Description Active Marker Press the Active Marker softkey to select the active marker number The active marker is displayed in green and the other markers are displayed in white The active marker reference marker is displayed in red State Press the State softkey to enable or disabl...

Страница 71: ... current marker The beginning point and end point taken into account for the calculation is from the previous and subsequent point of the marker PSD The total power contained in each of the frequency bins in the band and then dividing the result by the effective bandwidth Marker Press the Marker softkey to perform automatic adjustment of the graph left and right values in reference to the current ...

Страница 72: ...p Press the Stop softkey to set the right value of the graph to the current marker location The span is retained so the left value of the graph may be changed Center Press the Center softkey to set the center value of the graph to the current marker location The span is retained so the left and right values of the graph may be changed Delta Press the Delta softkey to set the left and right values ...

Страница 73: ...raph display option have to be in harmonic display view All the markers will be used and placed in the selected trace Figure 2 17 Marker Harmonics menu page Table 2 9 Marker Harmonics menu description Menu Description Trace Press the Trace softkey to set the trace number to place the marker Enabled Press the Enabled softkey to show or hide the markers ...

Страница 74: ...e menu description Menu Description AutoScale Press the AutoScale softkey to perform autoscaling on the X axis and Y axis AutoScale X Press the AutoScale X softkey to perform autoscaling on the X axis by searching for the most optimum scale left and right values for the X axis based on the data being displayed in the graph AutoScale Y Press the AutoScale Y softkey to perform autoscaling on the Y a...

Страница 75: ...entation of the traces in the top window The data in the bottom window will be more detailed due to the screen resolution difference between both windows The magnified region is indicated by the region surrounded by the red border in the top window The magnified graph display is displayed as shown in Figure 2 19 Figure 2 19 Magnified graph display NOTE The zoom view is only available in the graph ...

Страница 76: ... to modify the stepping value and use the left and right arrow keys to move the red border region in the top window To resize the red border region in the top window rotate the knob The edit zoom mode is displayed as shown in Figure 2 20 Figure 2 20 Edit zoom mode display To exit the edit zoom mode press on the CHANNEL DATA panel and on the GRAPH panel To exit the zoom view press on the GRAPH pane...

Страница 77: ...page Refer to Utility on page 79 for more information Help Shift Utility Press and to display the help mode page Refer to Access the help mode on page 45 for more information System Press to display the System menu page Refer to System on page 82 for more information Macro Shift System Reserved for future expansion Local Press to switch from remote control mode to local mode The front panel keys a...

Страница 78: ...lyzer will also reset the analog generator loopback connector Analog Generator Resetting the analog generator will not reset the analog generator loopback connector Graph Analysis Save User State Press the Save User State softkey to save the current user state Mode Press the Mode softkey to reset all modes to the default settings without deleting the user defined files All running operations such ...

Страница 79: ... channel number Press the Save Channel x softkey to save the current channel state to a file Refer to Save on page 94 for more information on the Save menu page Save x x current mode Press the Save x softkey to save the current mode state to a file Refer to Save on page 94 for more information on the Save menu page Recall Press the Recall softkey to recall a saved U8903B state from a file Refer to...

Страница 80: ...on page 94 for more information on the Save menu page Save Traces Press the Save Traces softkey to save the current trace state all traces state axis settings state all traces and axis settings states or the current trace data to a file Refer to Save on page 94 for more information on the Save menu page Recall Press the Recall softkey to load a trace from a CSV file into the active trace Refer to ...

Страница 81: ...select the folder to browse in the file explorer mode Type Press the Type softkey to select the file type to be displayed on the current directory and to be saved into Rename Press the Rename softkey to rename the selected file in the current directory Copy or Move Press the Copy or Move softkey to copy or move the marked files to the selected folder Delete Press the Delete softkey to delete the s...

Страница 82: ...ings update the U8903B perform self tests configure the U8903B settings configure the HP8903B mode settings and others Figure 2 25 System menu page 1 NOTE The System menu page is only available in the Standard View mode Refer to Menu Key on page 60 for more information Pressing in the System menu page will bring up the File Explorer menu ...

Страница 83: ...t error message is displayed at the top most of the list Figure 2 26 System Error Info menu page Error Table 2 16 Error Info menu description Menu Description Load File Press the Load File softkey to select the log file to be loaded in the error log viewing panel The latest log file name is EventLog_CE xml The older log files are named as EventLog_CE yyyyMMdd _n xml where yyyy year MM month dd day...

Страница 84: ...ure 2 27 System I O menu page Table 2 17 I O menu description Menu Description Lan Settings Press the Lan Settings softkey to configure the LAN settings Refer to Table 2 18 for more information GPIB Press the GPIB softkey to set the desired GPIB address FTP Press the FTP softkey to enable or disable the FTP control ...

Страница 85: ...figuration mode Auto Manual IP Address Press the IP Address softkey to set the LAN IP address This setting is only available when the LAN configuration mode is set to Manual Subnet mask Press the Subnet mask softkey to set the LAN subnet mask address This setting is only available when the LAN configuration mode is set to Manual Gateway Press the Gateway softkey to set the LAN gateway address This...

Страница 86: ...ress the Diagnostic softkey to perform the front panel or display diagnostics test Secure Erase Press the Secure Erase softkey to securely erase all the files saved in the internal flash memory for example state file arbitrary waveform test sequence project files and so on It does not affect the U8903B settings and license information Options Press the Options softkey to display the installed U890...

Страница 87: ... date in dd mm yyyy format Time Press the Time softkey to edit the current time in 24 hour format Brightness Press the Brightness softkey to adjust the LCD display brightness value Key Sound Press the Key Sound softkey to enable or disable the front panel key sound Power Up State Press the Power Up State softkey to select the power up state Last The U8903B will start up with the last saved setting...

Страница 88: ...the up and down arrow keys or the knob This is only available if the Audio Monitor is enabled Shortcut 2 Press the Shortcut 2 softkey to select a specific function to map the shortcut 2 key Error List Display the last 30 errors warnings or messages logged Auto Scale Automatically scale the graph display File Explorer Launch the file explorer Audio Monitor Enable of disable the aux audio monitor Au...

Страница 89: ...on on the HP8903B mode Table 2 21 System HP8903B Config menu description Menu Description Active Channel Press the Active Channel softkey to select the HP8903B active channel 1 2 Left Filter Press the Left Filter softkey to select the left filter type The left filter represents the filter on the left side of the HP8903B front panel The HP8903B filter may be different according to the model and the...

Страница 90: ...Filter Press the Right Filter softkey to select the right filter type The right filter represents the filter on the right side of the HP8903B front panel The HP8903B filter may be different according to the model and the purchased HP8903B option The default right filter is None None A Weighing CCIR 1k wtd CCIR 2k wtd C Message CCITT 400 Hz Default LPF Press the Default LPF softkey to select the de...

Страница 91: ...ss the Audio Monitor softkey to enable or disable the auxiliary audio monitor Audio Output Press the Audio Output softkey to select the aux audio output type Speaker Phone Audio Mode This is only available when Phone is selected as the audio output Press the Audio Mode softkey to select the aux audio mode type Stereo Mono Volume Press the Volume softkey to select the aux audio volume DC Output Pre...

Страница 92: ...Legacy Status softkey to enable or disable the legacy sweep When the legacy sweep is enabled sweep is limited to analog and the sweep channel for the analyzer and generator is paired For example analog generator channel 1 is measured by analog analyzer channel 1 When legacy sweep is disabled you can select multiple channels to be swept and the channels for generator and analyzer are not required t...

Страница 93: ...NEL DATA panels description Key Description 1 On Off Press to start or stop the signal generation or measurements for the selected generator or analyzer channel respectively Press to start or stop the graph generation in the graph analysis mode Press to start or stop the sweep in the sweep mode Press to start or stop the test sequence in the test sequence application mode 2 Stop All Press to stop ...

Страница 94: ...n Save Press the Save softkey to save the specific function to a file Type Press the Type softkey to select the file type to be displayed on the current directory and to be saved into Rename Press the Rename softkey to rename the selected file in the current directory Copy or Move Press the Copy or Move softkey to copy or move the marked files to the selected folder Delete Press the Delete softkey...

Страница 95: ... Press the Recall softkey to recall the selected file Type Press the Type softkey to select the file type to be displayed on the current directory Rename Press the Rename softkey to rename the selected file in the current directory Copy or Move Press the Copy or Move softkey to copy or move the marked files to the selected folder Delete Press the Delete softkey to delete the selected file in the c...

Страница 96: ...2 Operation and Features 96 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 97: ...ngular noise 118 Pink noise 119 Square waveform 121 DC signal 123 Sine burst waveform 124 Stereo waveform 126 Monotonicity 127 Constant value waveform 128 Walking zero 130 Walking one 131 Arbitrary waveform 132 Multitone waveform 134 Dual Tone Multi Frequency DTMF 138 Output Configuration Analog Generator 141 Output Configuration Digital Generator 143 Reference clock 144 Sync clock 145 Link Config...

Страница 98: ...ion Digital Generator 157 AES3 SPDIF Output Configuration Digital Generator 159 Edit Bits Consumer format 160 Edit Bits Professional format 165 References Analog Generator 171 References Digital and Bluetooth Generator 172 This chapter describes the U8903B audio generator functions and configurations ...

Страница 99: ...igure 3 1 Analog Generator menu page Table 3 1 Analog Generator menu description Menu Description Waveform Press the Waveform softkey to display the list of available analog generator waveform types Select the desired waveform from the drop down list Waveform Config Press the Waveform Config softkey to set the current active waveform configuration such as frequency amplitude and others Refer to Wa...

Страница 100: ... output configurations such as the connector type impedance and others Refer to Output Configuration Digital Generator on page 143 for more information DSI Config Press the DSI Config softkey to set the DSI output configurations such as the format resolution and others Refer to DSI Output Configuration Digital Generator on page 157 for more information AES3 SPDIF Press the AES3 SPDIF softkey to se...

Страница 101: ...softkey to set the current active waveform configuration such as frequency amplitude and others Refer to Waveform Configuration on page 102 for more information Link Config Press the Link Config softkey to set the link configurations such as device scan A2DP settings and others Refer to Link Configuration Bluetooth Generator on page 146 for more information References Press the References softkey ...

Страница 102: ...e waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for sine waveform is displayed as shown in Figure 3 4 Figure 3 5 and Figure 3 6 for the analog digital and Bluetooth generator respectively Figure 3 4 Analog Generator Waveform Config menu page sine waveform Figure 3 5 Digital Generator Waveform Config menu page sine waveform ...

Страница 103: ...Description Amplitude Amplitude can be expressed as Vrms Vpeak Vpp dBV dBu and dBm for the analog generator Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 Frequency Frequency refers to the reciprocal of the period of the signal DC Offset DC offset refers to t...

Страница 104: ...hase waveform outputs a sine waveform at the selected frequency at both channel outputs with the channel 2 output phase varies from 180 to 179 99 relative to the channel 1 output Variable phase waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for variable phase waveform is displayed as shown in Figure 3 7 Figure 3 8 and Figure 3 8 for the analog...

Страница 105: ...essed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 Frequency Frequency refers to the reciprocal of the period of the signal Phase 1 This is only available when the analog digital and Bluetooth generator is in channel 2 Phase 1 refers to the phase of the channel 2 sine waveform with r...

Страница 106: ...dulation distortion characteristics of an audio system Dual waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for dual waveform is displayed as shown in Figure 3 10 Figure 3 11 and Figure 3 12 for the analog digital and Bluetooth generator respectively Figure 3 10 Analog Generator Waveform Config menu page dual waveform Figure 3 11 Digital Genera...

Страница 107: ...Vpeak 2 Frequency 1 Frequency 1 refers to the frequency for the first sine component Frequency 2 Frequency 2 refers to the frequency for the second sine component DC Offset DC Offset refers to the DC component of the waveform Ratio Ratio refers to the amplitude ratio of the second sine component over the first sine component Summation Summation refers to the method to sum up two levels RSS The amp...

Страница 108: ...ency sine wave is linearly combined in 4 1 amplitude ratio with the upper frequency sine wave For SMPTE IMD 10 1 the lower frequency sine wave is linearly combined in 10 1 amplitude ratio with the upper frequency sine wave SMPTE IMD waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for SMPTE 1 1 waveform is displayed as shown in Figure 3 13 Figur...

Страница 109: ...efers to the lower frequency of the waveform The lower and upper frequencies are differentiated by the amplitude ratio between the frequencies Upper Freq Upper Freq refers to the upper frequency of the waveform The lower and upper frequencies are differentiated by the amplitude ratio between the frequencies DC Offset DC Offset refers to the DC component of the waveform Summation Summation refers t...

Страница 110: ...tones have equal amplitude and are spaced closer together DFD waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for IEC 60118 waveform is displayed as shown in Figure 3 16 Figure 3 17 and Figure 3 18 for the analog digital and Bluetooth generator respectively Figure 3 16 Analog Generator Waveform Config menu page IEC 60118 waveform Figure 3 17 Di...

Страница 111: ...out any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 Upper Freq Upper Freq refers to the upper frequency of the waveform Diff Freq Diff Freq refers to the difference frequency of the waveform DC Offset DC Offset refers to the DC component of the waveform Summation Summation refers to the method to sum up two levels RSS The amplitude displayed is the Root Sum Square RSS summation ...

Страница 112: ... IEC 60268 waveform is displayed as shown in Figure 3 19 Figure 3 20 and Figure 3 21 for the analog digital and Bluetooth generator respectively Figure 3 19 Analog Generator Waveform Config menu page IEC 60268 waveform Figure 3 20 Digital Generator Waveform Config menu page IEC 60268 waveform ...

Страница 113: ...ut any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 Center Freq Center Freq refers to the center frequency of the waveform Diff Freq Diff Freq refers to the difference frequency of the waveform DC Offset DC Offset refers to the DC component of the waveform Summation Summation refers to the method to sum up two levels RSS The amplitude displayed is the Root Sum Square RSS summatio...

Страница 114: ...requency value Gaussian noise mode is applicable for the analog digital and Bluetooth generator The waveform configuration for Gaussian noise is displayed as shown in Figure 3 22 Figure 3 23 and Figure 3 24 for the analog digital and Bluetooth generator respectively Figure 3 22 Analog Generator Waveform Config menu page Gaussian noise Figure 3 23 Digital Generator Waveform Config menu page Gaussia...

Страница 115: ... menu description Gaussian noise Menu Description Amplitude Amplitude can be expressed as Vrms Vpeak Vpp dBV dBu and dBm for the analog generator Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 DC Offset DC Offset refers to the DC component of the waveform ...

Страница 116: ...pplicable for the analog digital and Bluetooth generator The waveform configuration for Rectangular noise is displayed as shown in Figure 3 25 Figure 3 26 and Figure 3 27 for the analog digital and Bluetooth generator respectively Figure 3 25 Analog Generator Waveform Config menu page Rectangular noise Figure 3 26 Digital Generator Waveform Config menu page Rectangular noise ...

Страница 117: ... menu description Rectangular noise Menu Description Amplitude Amplitude can be expressed as Vrms Vpeak Vpp dBV dBu and dBm for the analog generator Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 DC Offset DC Offset refers to the DC component of the waveform ...

Страница 118: ...re 3 28 Figure 3 28 Digital Generator Waveform Config menu page Triangular noise Table 3 12 Digital Generator Waveform Config menu description Triangular noise Menu Description Amplitude Amplitude can be expressed as FFS dBFS or FS for the digital generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 DC Offset DC Offset refers to the DC co...

Страница 119: ...frequency increases Pink noise mode is applicable for the analog digital and Bluetooth generator The waveform configuration for Pink noise is displayed as shown in Figure 3 29 Figure 3 30 and Figure 3 31 for the analog digital and Bluetooth generator respectively Figure 3 29 Analog Generator Waveform Config menu page Pink noise Figure 3 30 Digital Generator Waveform Config menu page Pink noise ...

Страница 120: ...menu description Pink noise Menu Description Amplitude Amplitude can be expressed as Vrms Vpeak Vpp dBV dBu and dBm for the analog generator Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak while Vrms is equivalent to Vpeak 2 DC Offset DC Offset refers to the DC component of the waveform ...

Страница 121: ...waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for square waveform is displayed as shown in Figure 3 32 Figure 3 33 and Figure 3 34 for the analog digital and Bluetooth generator respectively Figure 3 32 Analog Generator Waveform Config menu page square waveform Figure 3 33 Digital Generator Waveform Config menu page square waveform ...

Страница 122: ...de Amplitude can be expressed as Vrms Vpeak Vpp dBV dBu and dBm for the analog generator Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 Frequency Frequency refers to the frequency of the square waveform DC Offset This is only available for the digital generat...

Страница 123: ...other similar circuitry DC signal mode is applicable for the analog generator only The waveform configuration for DC signal is displayed as shown in Figure 3 35 Figure 3 35 Analog Generator Waveform Config menu page DC signal Table 3 15 Analog Generator Waveform Config menu description DC signal Menu Description Voltage Voltage refers to the amplitude of the composite signal ...

Страница 124: ...orm mode is applicable for the analog digital and Bluetooth generator The waveform configuration for sine burst waveform is displayed as shown in Figure 3 37 Figure 3 38 and Figure 3 38 for the analog digital and Bluetooth generator respectively Figure 3 36 Analog Generator Waveform Config menu page sine burst Figure 3 37 Digital Generator Waveform Config menu page sine burst ...

Страница 125: ...twice Vpeak and Vrms is equivalent to Vpeak 2 Frequency Frequency refers to the frequency for the first sine component DC Offset This is only available for the analog and Bluetooth generator DC Offset refers to the DC component of the waveform Burst On Burst On refers to the number of cycles at which the signal amplitude will be at the higher level The Burst On value must be less than the period v...

Страница 126: ...ration for stereo waveform is displayed as shown in Figure 3 39 Figure 3 39 Digital Generator Waveform Config menu page stereo Table 3 17 Digital Generator Waveform Config menu description stereo Menu Description Amplitude Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent ...

Страница 127: ...es Step parameter Monotonicity waveform mode is applicable for the digital generator only The waveform configuration for monotonicity waveform is displayed as shown in Figure 3 40 Figure 3 40 Digital Generator Waveform Config menu page monotonicity Table 3 18 Digital Generator Waveform Config menu description monotonicity Menu Description Samples Step Samples Step refers to the duration for each h...

Страница 128: ... systems In order to repeat a specific error a fixed value must be used Constant value waveform mode is applicable for the digital and Bluetooth generator The waveform configuration for constant value waveform is displayed as shown in Figure 3 41 and Figure 3 42 for the digital and Bluetooth generator respectively Figure 3 41 Digital Generator Waveform Config menu page constant Figure 3 42 Bluetoo...

Страница 129: ... Keysight U8903B User s Guide 129 Table 3 19 Digital Bluetooth Generator Waveform Config menu description constant Menu Description Voltage Press the Voltage softkey to select the output voltage or set your desired output voltage ...

Страница 130: ... significant bit MSB and loops back to the LSB Walking zero waveform mode is applicable for the digital generator only The waveform configuration for walking zero waveform is displayed as shown in Figure 3 43 Figure 3 43 Digital Generator Waveform Config menu page walking zero Table 3 20 Digital Generator Waveform Config menu description walking zero Menu Description Samples Step Samples Step refe...

Страница 131: ...t significant bit MSB and loops back to the LSB Walking one waveform mode is applicable for the digital generator only The waveform configuration for walking one waveform is displayed as shown in Figure 3 44 Figure 3 44 Digital Generator Waveform Config menu page walking one Table 3 21 Digital Generator Waveform Config menu description walking one Menu Description Samples Step Samples Step refers ...

Страница 132: ...bits per sample are supported Arbitrary waveform mode is applicable for the analog digital and Bluetooth generator The waveform configuration for arbitrary waveform is displayed as shown in Figure 3 45 Figure 3 46 and Figure 3 47 for the analog digital and Bluetooth generator respectively Refer to Appendix 17 Arbitrary File Format on page 559 for more information on the arbitrary waveform file for...

Страница 133: ...pp dBV dBu and dBm for the analog generator Amplitude can be expressed as FFS dBFS or FS for the digital and Bluetooth generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 DC Offset DC Offset refers to the DC component of the waveform Load File Press the Load File softkey to load a waveform from a file Refer to Recall on page 95 for more ...

Страница 134: ...s from a single acquisition of audio data Multitone waveform mode is applicable for the analog digital and Bluetooth audio generator The waveform configuration for multitone waveform is displayed as shown in Figure 3 48 Figure 3 49 and Figure 3 50 for the analog digital and Bluetooth generator respectively Figure 3 48 Analog Generator Waveform Config menu page 1 multitone waveform Figure 3 49 Digi...

Страница 135: ...op Freq Stop Freq refers to the highest frequency in the multitone waveform which is usually the frequency for the last tone Freq Spacing Freq Spacing refers to the frequency spacing between the tones Linear Log Custom Tone Count Tone Count refers to the number of signal frequency components For analog generator the maximum number of tones that can be generated is 60 For digital and Bluetooth gene...

Страница 136: ...configuration is displayed as shown in Figure 3 51 Figure 3 52 and Figure 3 53 for both the analog digital and Bluetooth generator respectively Figure 3 51 Analog Generator Waveform Config Custom menu page 1 multitone waveform Figure 3 52 Digital Generator Waveform Config Custom menu page 1 multitone waveform ...

Страница 137: ...ency Press the Frequency softkey to set the frequency value for the custom multitone waveform Amplitude Press the Amplitude softkey to set the amplitude value for the custom multitone waveform Phase Press the Phase softkey to set the phase value for the custom multitone waveform Add Above Press the Add Above softkey to add the tone above the selected tone for the custom multitone waveform Add Belo...

Страница 138: ...ble for the analog generator only There are 12 DTMF signals where each of the signal is made up of two tones from the following selection 697 Hz 770 Hz 852 Hz 941 Hz 1209 Hz 1336 Hz 1477 Hz The tones are divided into two groups low and high and each DTMF signal uses one from each group This prevents any harmonics from being misinterpreted as part of the signal The waveform configuration for DTMF i...

Страница 139: ...and dBm for the analog generator For a perfect sine waveform without any DC offset Vpp is twice Vpeak and Vrms is equivalent to Vpeak 2 Ratio Ratio refers to the level difference between the high frequency tone and low frequency tone Tone Duration Tone Duration refers to the DTMF signal duration Tone Delay Tone Delay refers to the delay between two DTMF tones Pause Time Pause Time refers to the in...

Страница 140: ...tone respectively Sequence dial mode Press the A B C or D softkey to add the A tone to the DTMF sequence Pause Pause refers to the pause to be added to the DTMF sequence Press the Pause softkey to add a pause to the sequence in the form of a comma Table 3 27 DTMF tone mapping DTMF tone Description 0 to 9 Press the numeric keys on the CHANNEL DATA panel to generate the DTMF 0 to 9 tones respectivel...

Страница 141: ...n the XLR positive and negative pins UnBal Unbalanced mode outputs a signal referenced to ground on the BNC output connector Com Common mode outputs a pair of equal amplitude and in phase signals on the XLR positive and negative pins The common mode test signal is applied to both pins 2 and 3 or the XLR connector while pin 1 is connected to the return signal IEC60268 The common mode test signal is...

Страница 142: ... In the floating grounding type the signal return line XLR pin 1 for balanced output or BNC return for unbalanced output is not grounded to the chassis earth and is floating Ground In the ground grounding type the signal return line XLR pin 1 for balanced output or BNC return for unbalanced output is connected to the chassis earth Max Voltage Press the Max Voltage softkey to set the maximum voltag...

Страница 143: ...03B rear panel AES Output Press the AES Output softkey to enable or disable the AES output Optical Output Press the Optical Output softkey to enable or disable the optical output Sample Rate Press the Sample Rate softkey to set the sample rate value Audio Format Press the Audio Format softkey to select the encoding audio format Linear PCM A Law μ Law Dither Press the Dither softkey to select the d...

Страница 144: ...ore information on the system clock Internal AES RCLK External Type Press the Type softkey to select the external reference clock source Refer to Appendix 20 Digital System Clock Distribution Block Diagram on page 565 for more information on the system clock MCLK FSYNC Word Length Press the Word Length softkey to set the external reference clock word length value 8 to 32 Multiplier Press the Multi...

Страница 145: ...tkey to select the synchronous clock source Refer to Appendix 20 Digital System Clock Distribution Block Diagram on page 565 for more information on the system clock Internal AES RCLK External Divider Press the Divider softkey to select the synchronous clock divider value When the synchronous clock divider is set to 1 the synchronous clock is locked to 128 sampling rate bi phase clock When the syn...

Страница 146: ...o Device scan on page 147 for more information Device Action Press the Device Action softkey to configure the Bluetooth device action settings such as unpair device profile connection and others Refer to Device action on page 148 for more information Common Settings Press the Common Settings softkey to configure the Bluetooth common settings such as profile discoverable and others Refer to Common ...

Страница 147: ...ached the set number or if more than 30 s elapsed 1 to 16 Filter Class Press the Filter Class softkey to select the Bluetooth device class to be used during the Device Search procedure The Device Search procedure identifies all the discoverable Bluetooth device based on the selected class All Search for all available Bluetooth device class Custom Manually sets the Bluetooth device class using the ...

Страница 148: ...ey to connect or disconnect the Bluetooth profiles for the connection Connect Disconnect All Connect Disconnect A2DP Connect Disconnect HFP Connect Disconnect AVRCP A2DP Operation Press the A2DP Operation softkey to select the advanced audio distribution profile operation settings This is only available if the A2DP profile is connected Open Media Connection Establishes the audio media connection t...

Страница 149: ...e device HFP Operation Audio Gateway Press the HFP Operation softkey to select the HFP Audio Gateway profile operation settings This is only available if the HFP profile is connected and the Common Settings Profile is set to HFP AG Connect Establishes an audio connection to the headset device via the connected handsfree headset device Disconnect Disconnects an audio connection to the headset devic...

Страница 150: ...Generator Functions 150 Keysight U8903B User s Guide Common settings Figure 3 63 Bluetooth Analyzer Link Config Common Settings menu page 1 Figure 3 64 Bluetooth Analyzer Link Config Common Settings menu page 2 ...

Страница 151: ... configured profile Auto When auto is set and the Bluetooth card is configured as a source profile device class sets to 60020C smartphone When auto is set and the Bluetooth card is configured as a sink profile device class sets to 240408 handsfree headset device Custom Manually set the device class Custom This is only available if the Device Class is set to Custom Press the Custom softkey to set t...

Страница 152: ...terchip sound I2S audio loopback function This is only available if the HFP profile is connected Link Status Press the Link Status softkey to enable or disable the link status of the U8903B s Bluetooth card This is only available if the HFP profile or A2DP profile is connected RF Port Press the RF Port softkey to select the U8903B s Bluetooth card RF port connector RF1 RF2 Table 3 35 Bluetooth Ana...

Страница 153: ...s menu page Table 3 36 Bluetooth Analyzer Link Config A2DP Settings menu description Menu Description Codec Press the Codec softkey to select the prefered codec for the A2DP profile SBC apt X Sampling Rate Press the Sampling Rate softkey to select the prefered audio sampling rate for the A2DP profile 16 kHz 32 kHz 44 1 kHz 48 kHz ...

Страница 154: ...VSD codec will be used in the connection If the wideband speech mode is enabled the use of EV3 packet type is mandatory and must be selected together with other optional EDR packet type s EV4 EV5 2EV3 3EV3 2EV5 and 3EV5 The connection will fail if the EV3 packet type is not included Latency Press the Latency softkey to set the HFP s codec channel latency in miliseconds 4 to 65534 Retransmit Press ...

Страница 155: ... packet type used in the HFP s codec Multiple packet types can be selected and the available options are dependent on the supported feature set of the connected Bluetooth device HV1 HV2 HV3 EV3 EV4 EV5 2EV3 3EV3 2EV5 3EV5 Table 3 37 Bluetooth Analyzer Link Config HFP Settings menu description continued Menu Description ...

Страница 156: ...Analyzer Link Config AVRCP log view menu page Table 3 38 Bluetooth Analyzer Link Config AVRCP log view menu description Menu Description Clear Log Press the Clear Log softkey to clear the AVRCP operation log history Refresh Log Press the Refresh Log softkey to refresh the AVRCP operation log history ...

Страница 157: ...I2S DSP Fsync Polarity Press the Fsync Polarity softkey to select the sync polarity Rising Falling Fsync Width Press the Fsync Width softkey to select the sync width One Bit Clock One Subframe 50 Duty Cycle Data Shift Cnt Press the Data Shift Cnt softkey to set the data shift count value Data Shift Dir Press the Data Shift Dir softkey to select the data shift direction Left Right Word Length Press...

Страница 158: ...lock output Multiplier Press the Multiplier softkey to set the multiplier value Bit Clk Edge Press the Bit Clk Edge softkey to select the clock edge type Rising Falling Voltage Press the Voltage softkey to select the output voltage or set your desired output voltage 1 2 Vpp 1 5 Vpp 1 8 Vpp 2 5 Vpp 3 Vpp 3 3 Vpp Custom Table 3 39 Digital Generator DSI Output Config menu description continued Menu D...

Страница 159: ... the vailidty bit Set Clear Mode Press the Mode softkey to select the AES3 SPDIF format Consumer Professional Status Bits Press the Status Bits softkey to select the status bits type Channel User Edit Bits Press the Edit Bits softkey to configure the bits according to the format selected Refer to Edit Bits Consumer format on page 160 and Edit Bits Professional format on page 165 for more informati...

Страница 160: ...Bits Consumer format menu description Menu Description Select Byte Press the Select Byte softkey to select the byte and edit the byte Audio Mode Press the Audio Mode softkey to select the audio mode Non Linear PCM Linear PCM Copyright Press the Copyright softkey to select the copyright type Copyright Non copyright Emphasis Press the Emphasis softkey to select the emphasis type No pre emphasis 50 1...

Страница 161: ...number 0 to 15 Channel Num Press the Channel Num softkey to set the channel number 0 to 15 Sample Freq Press the Sample Freq softkey to select the sample frequency value Not indicated 22 05 kHz 24 kHz 32 kHz 44 1 kHz 48 kHz 88 2 kHz 96 kHz 176 4 kHz 192 kHz 768 kHz Clk Accuracy Press the Clk Accuracy softkey to select the clock accuracy type Level 1 Level 2 Level 3 Reserved Max Word Len Press the ...

Страница 162: ...bits 20 bits Orig S Freq Press the Orig S Freq softkey to select the original sample frequency value Not indicated 8 kHz 11 025 kHz 12 kHz 16 kHz 22 05 kHz 24 kHz 32 kHz 44 1 kHz 48 kHz 88 2 kHz 96 kHz 176 4 kHz 192 kHz Reserved 1 Reserved 2 CGMA A Press the CGMA A softkey to select the CGMA A type Copying Permitted Condition Not Used One Generation Copy Copying Denied Table 3 41 Digital Generator...

Страница 163: ... status mode 00 Mode zero Other values reserved 8 15 Category code Bit 8 is LSB 16 19 Source number Bit 16 is LSB 20 23 Channel number Bit 20 is LSB 24 27 Sampling frequency 0000 44 1 kHz 0100 48 kHz 1100 32 kHz 28 29 Clock accuracy 10 Level I 50 ppm 00 Level II 1000 ppm 01 Level III variable pitch shifted 30 31 Reserved 32 Word length field size 0 Maximum length 20 bits 1 Maximum length 24 bits 3...

Страница 164: ...011 48 kHz 1010 96 kHz 1001 24 kHz 1000 192 kHz 0111 Reserved 0110 8 kHz 0101 11 025 kHz 0100 12 kHz 0011 32 kHz 0010 Reserved 0001 16 kHz 0000 Not indicated 40 41 CGMS A 00 Copying permitted 01 Condition not used 10 One generation copy 11 Copying denied 42 192 Reserved Table 3 42 AES3 SPDIF Consumer mode bit description continued Bits Label Description ...

Страница 165: ...Table 3 43 Digital Generator AES Config Edit Bits Professional format menu description Menu Description Select Byte Press the Select Byte softkey to select the byte and edit the byte Audio Mode Press the Audio Mode softkey to select the audio mode Non Linear PCM Linear PCM Emphasis Press the Emphasis softkey to select the emphasis type Not indicated No pre emphasis 50 15 μs CCITT J 17 Freq Mode Pr...

Страница 166: ...annel mode Not indicated 2 channel Single channel Primary Secondary Stereo Reserved 1 Reserved 2 Mono Double Rate Left Double Rate Right Double Rate Multichannel User Bits Press the User Bits softkey to select the user bits type Not indicated 192 bit block Reserved for AES18 User defined Reserved for Metadata As in IEC60958 3 Aux Bits Press the Aux Bits softkey to select the auxiliary bits 20 bit ...

Страница 167: ...to Defined Press the Multi Ch Mode softkey to select the multi channel mode Mode 0 Mode 1 Mode 2 Mode 3 User Defined Channel Num Press the Channel Num softkey to set the channel number 1 to 16 Defined multi channel status 1 to 128 Undefined multi channel status Ref Signal Press the Ref Signal softkey to select the reference signal type Not a ref signal Grade 1 Grade 2 Reserved Channel Origin Press...

Страница 168: ...Professional 1 Non audio 0 Audio data is linear PCM samples 1 Other than linear PCM samples 2 4 Emphasis 000 Not indicated 100 No emphasis 110 CD type emphasis 111 J 17 emphasis 5 Lock 0 Not indicated 1 Unlocked 6 7 Sampling frequency 00 Not indicated or see byte 4 10 48 kHz 01 44 1 kHz 11 32 kHz 8 11 Channel mode 0000 Not indicated default to 2 channels 0001 2 channels 0010 1 channel monophonic 0...

Страница 169: ...0 If bit 31 1 then bits 4 6 define a multichannel mode and bits 0 3 give the channel number within that mode 32 33 Digital Audio Reference Signal DARS 00 Not a DARS 01 DARS grade 1 1 ppm 10 DARS grade 2 10 ppm 35 38 Sampling frequency 0000 Not indicated 1000 24 kHz 0100 96 kHz 1001 22 05 kHz 0101 88 2 kHz 1101 176 4 kHz 1111 User defined 39 Sampling frequency scaling 0 No scaling 1 Apply factor of...

Страница 170: ... 176 183 Reliability flags 0 Data in byte range is reliable 1 Data in byte range is unreliable 184 191 CRCC 00000000 Not implemented nnnnnnnn Error check code for bits 0 183 Table 3 44 AES3 SPDIF Professional mode bit description continued Bits Label Description ...

Страница 171: ...eferences for the analog generator is displayed as shown in Figure 3 73 Figure 3 73 Analog Generator References menu page Table 3 45 Analog Generator References menu description Menu Description Ref Imp Press the Ref Imp softkey to set the reference impedance for the unit conversion of dBm measurements ...

Страница 172: ...y Figure 3 74 Digital Generator References menu page Figure 3 75 Bluetooth Generator References menu page Table 3 46 Digital Bluetooth Generator References menu description Menu Description Volts FS Press the Volts FS softkey to set the volts FS reference for the analog output voltage in Volts of the DAC used when converted to digital full scale 1 FS This is useful in DAC tests for the conversion ...

Страница 173: ...ositive peak measurement 221 Negative peak measurement 223 Phase Measurement 225 Crosstalk Measurement 228 Filters Configuration Analog Analyzer 231 Notch Filter 233 Filters Configuration Digital Analyzer 234 Filters Configuration Bluetooth Analyzer 236 Notch Filter 237 Measurement Configuration Analog Analyzer 238 Measurement Configuration Digital Analyzer 240 Measurement Configuration Bluetooth ...

Страница 174: ...asurement Functions 174 Keysight U8903B User s Guide Wave File Analog Digital and Bluetooth Analyzer 255 Statistics 257 This chapter describes the U8903B performance audio analyzer measurement functions and configurations ...

Страница 175: ...igure 4 2 and Figure 4 3 respectively Press on the FUNCTION panel to switch between analog and digital interface Press or on the CHANNEL DATA panel to switch to channel 1 or channel 2 respectively and start configuring the active channel The U8903B can also be expanded with additional analog analyzer channels Refer to U8903B Options on page 37 for more information Press on the RUN CONTROL panel to...

Страница 176: ...nalyzer on page 231 for more information Meas Config Press the Meas Config softkey to set the measurement configuration Refer to Measurement Configuration Analog Analyzer on page 238 for more information Input Config Press the Input Config softkey to set the input configuration Refer to Input Configuration Analog Analyzer on page 246 for more information Wave File Press the Wave File softkey to co...

Страница 177: ...onfig This is only available when the measurement mode is Standard Press the Meas Config softkey to set the measurement configuration Refer to Measurement Configuration Digital Analyzer on page 240 for more information Input Config Press the Input Config softkey to set the input configuration Refer to Input Configuration Digital Analyzer on page 248 for more information DSI Config Press the DSI Co...

Страница 178: ... page 231 for more information Meas Config Press the Meas Config softkey to set the measurement configuration Refer to Measurement Configuration Analog Analyzer on page 238 for more information Link Config Press the Link Config softkey to set the input configuration Refer to Link Configuration Bluetooth Analyzer on page 250 for more information Wave File Press the Wave File softkey to configure th...

Страница 179: ...ough a DUT The process delay measurement calculates the time difference between the first output frame signal and the first input frame signal Due to the nature of measurements involving frame to frame delay this measurement is only meant for the AES3 signal which has a unique frame pattern Process delay mode allows you to view the process delay in seconds Figure 4 4 Digital Analyzer menu page pro...

Страница 180: ...t for the following Monotonicity Square wave with the frequency setting less than half the sampling rate Walking one or walking zero with the Sample per Step setting more than 1 Figure 4 5 Digital Analyzer menu page BERT measurement mode NOTE If square wave for BERT analysis is needed set the frequency of the square wave to be equal to half the sampling rate If walking one or walking zero for BERT...

Страница 181: ...8903B User s Guide 181 Table 4 4 Digital Analyzer Meas Mode BERT menu description Menu Description Unit Press the Unit softkey to select the BERT result in either hex or decimal Hex Dec Reset BERT Press the Reset BERT softkey to reset the BERT result ...

Страница 182: ...supports up to four functions to be measured in one single query The function configuration for analog digital and Bluetooth analyzer are displayed as shown in Figure 4 6 Figure 4 7 and Figure 4 8 Figure 4 6 Analog Analyzer Functions menu page 1 Figure 4 7 Digital Analyzer Functions menu page 1 ...

Страница 183: ...Refer to Phase Measurement on page 225 for the configuration X Talk Refer to Crosstalk Measurement on page 228 for the configuration Function No Press the Function No softkey to select the active function number to configure the settings Meas Func Press the Meas Func softkey to display the list of available analyzer measurement function types Select the desired measurement function from the drop d...

Страница 184: ...h frequency noise from the measured signal allowing more stable readings Frequency measurement function mode is applicable for the analog digital and Bluetooth analyzer The settings for frequency measurement are displayed as shown in Figure 4 9 Figure 4 10 and Figure 4 11 for the analog digital and Bluetooth analyzer respectively Figure 4 9 Analog Analyzer Functions Frequency menu page 1 NOTE A li...

Страница 185: ...th Analyzer Functions Frequency menu description Menu Description Unit Press the Unit softkey to select the measurement unit Hz ΔHz Format Press the Format softkey to select the format of the returned measurement reading Off Selecting Off will return the measurement reading without any formatting raw value Delta Selecting Delta will return the measurement result by deducting the reference frequenc...

Страница 186: ...ess the Set result as ref from softkey to store the measurement result from the selected channel as the reference frequency Ref Freq Press the Ref Freq softkey to set the reference frequency Table 4 6 Analog Digital Bluetooth Analyzer Functions Frequency menu description continued Menu Description ...

Страница 187: ... display will show 1 V if the rms detector is selected On the other hand if the peak to peak detector is selected the display will show 2 828 V 1 414 2 AC voltage level measurement function mode is applicable for the analog digital and Bluetooth analyzer The settings for AC voltage level measurement are displayed as shown in Figure 4 12 Figure 4 13 and Figure 4 14 for the analog digital and Blueto...

Страница 188: ...4 Audio Analyzer Measurement Functions 188 Keysight U8903B User s Guide Figure 4 13 Digital Analyzer Functions AC Voltage menu page 1 Figure 4 14 Bluetooth Analyzer Functions AC Voltage menu page 1 ...

Страница 189: ...d in unit dBr Linear Selecting Linear will return the measurement result by dividing the measured level by the reference level The result is returned in unit x Delta Selecting Delta will return the meausrement result by deducting the reference level from the measured level The result is returned in unit ΔV This is only available for the analog analyzer Set to 0dB This is only available for analog ...

Страница 190: ...o W Volt FS This is only available for the digital analyzer Press the Volt FS softkey to set the volts FS reference value Cal SPL Press the Cal SPL softkey to set the calibrator level value This setting is only available when the unit is set to dBSPL Detector Press the Detector softkey to select the AC level detection type RMS Pk Pk Table 4 7 Analog Digital Bluetooth Analyzer Functions AC Voltage ...

Страница 191: ...easurement DC voltage level measurement function mode is applicable for the analog digital and Bluetooth analyzer The settings for DC voltage level measurement are displayed as shown in Figure 4 15 Figure 4 16 and Figure 4 17 for the analog digital and Bluetooth analyzer respectively Figure 4 15 Analog Analyzer Functions DC Voltage menu page 1 NOTE Ensure that the input coupling is set to DC befor...

Страница 192: ...4 Audio Analyzer Measurement Functions 192 Keysight U8903B User s Guide Figure 4 16 Digital Analyzer Functions DC Voltage menu page 1 Figure 4 17 Bluetooth Analyzer Functions DC Voltage menu page 1 ...

Страница 193: ...ding without any formatting raw value Linear Selecting Linear will return the measurement result by dividing the measured level by the reference level The result is returned in unit x Delta Selecting Delta will return the meausrement result by deducting the reference level from the measured level The result is returned in unit ΔV This is only available for the analog analyzer Set result as ref fro...

Страница 194: ... the signal Therefore the THD N function provides a quantitative measurement of the quality of an audio signal or in other words the purity of a signal The THD N ratio is defined as the ratio of the square root of the sum of the squares of all the signal harmonics components and noise amplitude relative to the total signal amplitude The THD N ratio can be computed as follows THD N ratio measuremen...

Страница 195: ...Audio Analyzer Measurement Functions 4 Keysight U8903B User s Guide 195 Figure 4 19 Digital Analyzer Functions THD N Ratio menu page 1 Figure 4 20 Bluetooth Analyzer Functions THD N Ratio menu page 1 ...

Страница 196: ... store the measurement result from the selected channel as the reference ratio Ref Ratio Press the Ref Ratio softkey to set the reference ratio value Precision This is only available for digital analyzer Press the Precision softkey to enable or disable the precision mode Freq Lock Press the Freq Lock softkey to select the searching method for the fundamental frequency Auto Selecting Auto will allo...

Страница 197: ...he analog digital and Bluetooth analyzer The settings for THD N level measurement are displayed as shown in Figure 4 21 Figure 4 22 and Figure 4 23 for the analog digital and Bluetooth analyzer respectively Figure 4 21 Analog Analyzer Functions THD N Level menu page 1 Figure 4 22 Digital Analyzer Functions THD N Level menu page 1 ...

Страница 198: ...s THD N Level menu page 1 Table 4 10 Analog Digital Bluetooth Analyzer Functions THD N Level menu description Menu Description Unit Press the Unit softkey to select the measurement unit Analog Analyzer dBg dBm dBr dBu dBV W V ΔV dBSPL x Digital and Bluetooth Analyzer FFS dBFS FS V dBu dBV dBr x LSB Hex Dec dBSPL ...

Страница 199: ...s only available for the digital and Bluetooth analyzer Press the Volt FS softkey to set the volts FS reference value Precision This is only available for the digital analyzer Press the Precision softkey to enable or disable the precision mode Cal SPL Press the Cal SPL softkey to set the calibrator level value This setting is only available when the unit is set to dBSPL Freq Lock Press the Freq Lo...

Страница 200: ...AD measurement is shown as follows SINAD measurement function mode is applicable for the analog digital and Bluetooth audio analyzer The settings for SINAD measurement are displayed as shown in Figure 4 24 Figure 4 25 and Figure 4 26 for the analog digital and Bluetooth analyzer respectively Figure 4 24 Analog Analyzer Functions SINAD menu page 1 Figure 4 25 Digital Analyzer Functions SINAD menu p...

Страница 201: ...sured ratio by the reference ratio The result is returned in unit x Delta Selecting Delta will return the measurement result by deducting the reference ratio from the measured ratio The result will be returned in unit ΔdB Set to 0dB This is only available for the analog analyzer Press the Set to 0dB softkey to store the measured ratio as the reference ratio and set the measurement reading format t...

Страница 202: ...tive generator channel You can select the generator channel by setting the Src Channel in the Meas Config menu page This Gen Lock method is only useful if you use the internal audio generator Custom If you have a known input signal you can define the fundamental frequency value by setting the searching method to Custom and setting the frequency value in Fund Freq Fund Freq Press the Fund Freq soft...

Страница 203: ...fined as the ratio of the THD Level relative to the fundamental signal amplitude and it is expressed in dB default or as a percentage The THD Ratio can be computed as follows THD N Ratio measurement function mode is applicable for the analog digital and Bluetooth analyzer The settings for THD ratio measurement are displayed as shown in Figure 4 27 Figure 4 28 and Figure 4 29 for the analog digital...

Страница 204: ... 28 Digital Analyzer Functions THD Ratio menu page 1 Figure 4 29 Bluetooth Analyzer Functions THD Ratio menu page 1 Table 4 12 Analog Digital Bluetooth Analyzer Functions THD Ratio menu description Menu Description Unit Press the Unit softkey to select the measurement unit dB ΔdB x ...

Страница 205: ...ss the Even Harmonic softkey again to confirm the selection ALL 2 4 6 8 Odd Harmonic Press the Odd Harmonic softkey to display the odd harmonics order selection Press the Enter key on the navigation panel to select the desired odd harmonics order and press the Odd Harmonic softkey again to confirm the selection ALL 3 5 7 9 Freq Lock This is only available for analog and Bluetooth analyzer Press th...

Страница 206: ...uted as follows THD N Level measurement function mode is applicable for the analog digital and Bluetooth analyzer The settings for THD level measurement are displayed as shown in Figure 4 30 Figure 4 31 and Figure 4 32 for the analog digital and Bluetooth analyzer respectively Figure 4 30 Analog Analyzer Functions THD level menu page 1 Figure 4 31 Digital Analyzer Functions THD level menu page 1 T...

Страница 207: ...ons THD level menu page 1 Table 4 13 Analog Digital Bluetooth Analyzer Functions THD Level menu description Menu Description Unit Press the Unit softkey to select the measurement unit Analog Analyzer dBg dBm dBr dBu dBV W V ΔV dBSPL x Digital and Bluetooth Analyzer FFS dBFS FS V dBu dBV dBr x LSB Hex Dec dBSPL ...

Страница 208: ...t the measurement reading format to Logarithmic Set result as ref from Press the Set result as ref from softkey to store the measurement result from the selected channel as the reference level Ref Level Press the Ref Level softkey to set the reference level value There is only one reference level for each channel Ref Imp This is only available for the analog analyzer Press the Ref Imp softkey to s...

Страница 209: ...frequency value of the respective generator channel You can select the generator channel by setting the Src Channel in the Meas Config menu page This Gen Lock method is only useful if you use the internal audio generator Custom If you have a known input signal you can define the fundamental frequency value by setting the searching method to Custom and setting the frequency value in Fund Freq Fund ...

Страница 210: ...1 and tone 2 f2 the following harmonics are considered f2 f1 f2 f1 f2 2f1 f2 2f1 The SMPTE IMD value is computed as the ratio of the sum of the intermodulation harmonics amplitude to the upper frequency tone amplitude Refer to Dual waveform on page 106 for more information on generating dual tones for this measurement SMPTE IMD measurement function mode is applicable for the analog digital and Blu...

Страница 211: ...Audio Analyzer Measurement Functions 4 Keysight U8903B User s Guide 211 Figure 4 34 Digital Analyzer Functions SMPTE IMD menu page 1 Figure 4 35 Bluetooth Analyzer Functions SMPTE IMD menu page 1 ...

Страница 212: ...from softkey to store the measurement result from the selected channel as the reference ratio Ref Ratio Press the Ref Ratio softkey to set the reference ratio Freq Lock This is only available for the analog and Bluetooth analyzer Press the Freq Lock softkey to select the searching method for the upper and lower frequencies Gen Lock Selecting Gen Lock will allow the U8903B to search for the upper a...

Страница 213: ...econd or third order intermodulation distortion The available DFD measurements are DFD 60268 2nd DFD 60268 3rd DFD 60118 2nd or DFD 60118 3rd DFD measurement function mode is applicable for the analog digital and Bluetooth audio analyzer The settings for DFD measurements are displayed as shown in Figure 4 36 Figure 4 37 and Figure 4 38 for the analog digital and Bluetooth analyzer respectively Fig...

Страница 214: ...lta Selecting Delta will return the measurement result by deducting the reference ratio from the measured ratio The result will be returned in unit ΔdB Linear Selecting Linear will return the measurement result by dividing the measured ratio by the reference ratio The result is returned in unit x Set to 0dB This is only available for the analog analyzer Press the Set to 0dB softkey to store the me...

Страница 215: ...bandwidth The measurement bandwidth is specified by the filter selected for the audio analyzer The SNR measurement is accomplished by an internal routine that alternatively switches the U8903B generator output on and off When the U8903B output is in the off state the U8903B output will be terminated at the DUT input The SNR result can be expressed in dB default or as a percentage The SNR can be co...

Страница 216: ...by deducting the reference ratio from the measured ratio The result will be returned in unit ΔdB Linear Selecting Linear will return the measurement result by dividing the measured ratio by the reference ratio The result is returned in unit x Set to 0dB Press the Set to 0dB softkey to store the measured ratio as the reference ratio and set the measurement reading format to Delta Set result as ref ...

Страница 217: ...trum You can set the number of harmonics that will be removed in the computation For example if the harmonics count is 1 the fundamental frequency will only be notched If the harmonics count is 3 the fundamental frequency and the first and second harmonics will be notched for the calculation The SNR fast mode can be computed as follows SNR fast mode measurement function mode is applicable for the ...

Страница 218: ...ill return the measurement result by deducting the reference ratio from the measured ratio The result will be returned in unit ΔdB Linear Selecting Linear will return the measurement result by dividing the measured ratio by the reference ratio The result is returned in unit x Set to 0dB This is only available for the analog analyzer Press the Set to 0dB softkey to store the measured level or ratio...

Страница 219: ...generator channel by setting the Src Channel in the Meas Config menu page This Gen Lock method is only useful if you use the internal audio generator Custom If you have a known input signal you can define the fundamental frequency value by setting the searching method to Custom and setting the frequency value in Fund Freq Fund Freq Press the Fund Freq softkey to set the fundamental frequency value...

Страница 220: ...the DAC The J test signal consists of a test tone with a frequency at 1 4 of the sampling rate Fs and a jitter signal with a frequency of 1 192 Fs The J test digital pattern to be transmitted is as follows C00000 C00000 400000 400000 x24 BFFFFF BFFFFF BFFFFF BFFFFF x24 The digital pattern will cause inter symbol interference in the digital signal and stress the DAC clock recovery subsystem You can...

Страница 221: ...sitive peak measurement function is applicable for the digital analyzer only The positive peak measurement is displayed as shown in Figure 4 43 Figure 4 43 Digital Analyzer Functions Positive Peak menu page Table 4 18 Digital Analyzer Functions Positive Peak menu description Menu Description Unit Press the Unit softkey to select the measurement unit FFS dBFS FS V dBu dBV dBr x LSB Hex Dec dBSPL ...

Страница 222: ...evel by the reference level The result is returned in unit x Set result as ref from Press the Set result as ref from softkey to store the measurement result from the selected channel as the reference level Ref Level Press the Ref Level softkey to set the reference level value There is only one reference level for each channel Volt FS Press the Volt FS softkey to set the volts FS reference value Ca...

Страница 223: ...gative peak measurement function is applicable for the digital analyzer only The negative peak measurement is displayed as shown in Figure 4 44 Figure 4 44 Digital Analyzer Functions Negative Peak menu page Table 4 19 Digital Analyzer Functions Negative Peak menu description Menu Description Unit Press the Unit softkey to select the measurement unit FFS dBFS FS V dBu dBV dBr x LSB Hex Dec dBSPL ...

Страница 224: ...evel by the reference level The result is returned in unit x Set result as ref from Press the Set result as ref from softkey to store the measurement result from the selected channel as the reference level Ref Level Press the Ref Level softkey to set the reference level value There is only one reference level for each channel Volt FS Press the Volt FS softkey to set the volts FS reference value Ca...

Страница 225: ...eform using the same analog generator channel The output of one channel is connected to the analog analyzer channel 1 while the other is connected to channel 2 Set the analog analyzer to measure phase If channel 1 is set as the reference channel the channel 2 result is the interchannel phase delay A phase response measurement compares the phase of the output signal of a DUT to the phase of the sig...

Страница 226: ...4 Audio Analyzer Measurement Functions 226 Keysight U8903B User s Guide Figure 4 45 Analog Analyzer Functions Phase menu page Figure 4 46 Digital Analyzer Functions Phase menu page ...

Страница 227: ...B to search for the fundamental frequency automatically Gen Lock Selecting Gen Lock will allow the U8903B to search for the fundamental frequency based on the generator frequency value of the respective generator channel You can select the generator channel by setting the Src Channel in the Meas Config menu page This Gen Lock method is only useful if you use the internal audio generator Custom If ...

Страница 228: ...annel driven with a signal The unused channels should be grounded or set to an appropriate bias point Crosstalk is largely due to capacitive coupling between the channel conductors in the device and generally varies with frequency Crosstalk can be computed as follows Phase measurement function mode is applicable for the analog digital and Bluetooth audio analyzer The settings for crosstalk measure...

Страница 229: ... X Talk menu page 1 Figure 4 50 Bluetooth Analyzer Functions X Talk menu page 1 Table 4 21 Analog Digital Bluetooth Analyzer Functions X Talk menu description Menu Description Ref Channel Press the Ref Channel softkey to set the driven channel Unit Press the Unit softkey to select the measurement unit dB ΔdB x ...

Страница 230: ...erence ratio Ref Ratio Press the Ref Ratio softkey to set the reference ratio Freq Lock This is only available for the analog and Bluetooth analyzer Press the Freq Lock softkey to select the searching method for the fundamental frequency Auto Selecting Auto will allow the U8903B to search for the fundamental frequency automatically Gen Lock Selecting Gen Lock will allow the U8903B to search for th...

Страница 231: ...d as shown in Figure 4 51 Figure 4 51 Analog Analyzer Filter Config menu page Table 4 22 Analog Analyzer Filter Config menu description Menu Description Clear Filters Press the Clear Filters softkey to clear all the filter settings LPF Press the LPF softkey to select the low pass filter None 2 kHz 3 kHz 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom Refer to Appendix 18...

Страница 232: ...ss the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Refer to Appendix 18 User defined Filter File Format on page 561 for more information Deemphasis Press the Deemphasis softkey to select the de emphasis value None 50 μs 75 μs Custom Notch Filter Press the Notch Filter softkey to configure the notch filter settings Refer to Notch Filter on page 233...

Страница 233: ... Figure 4 52 Analog Analyzer Filter Config Notch Filter menu page Table 4 23 Analog Analyzer Filter Config Notch Filter menu description Menu Description State Press the State softkey to enable or disable the notch filter Center Freq Press the Center Freq softkey to set the frequency of the component to be removed from the input signal Bandwidth Press the Bandwidth softkey to set the bandwidth of ...

Страница 234: ...nfig menu page Table 4 24 Digital Analyzer Filter Config menu description Menu Description Clear Filters Press the Clear Filters softkey to clear all the filter settings LPF Press the LPF softkey to select the low pass filter None 15 kHz 20 kHz 22 kHz 30 kHz Custom Refer to Appendix 18 User defined Filter File Format on page 561 for more information HPF Press the HPF softkey to select the high pas...

Страница 235: ...r defined Filter File Format on page 561 for more information Deemphasis Press the Deemphasis softkey to select the de emphasis value None 50 μs 75 μs Custom Sample Rate This is only available for digital analyzer Press the Sample Rate softkey to select the sample rate 32 kHz 44 1 kHz 48 kHz 88 2 kHz 96 kHz 176 4 kHz 192 kHz Table 4 24 Digital Analyzer Filter Config menu description continued Menu...

Страница 236: ...ion Clear Filters Press the Clear Filters softkey to clear all the filter settings LPF Press the LPF softkey to select the low pass filter None 15 kHz 20 kHz Custom Refer to Appendix 18 User defined Filter File Format on page 561 for more information HPF Press the HPF softkey to select the high pass filter None 22 Hz 100 Hz 400 Hz Custom Refer to Appendix 18 User defined Filter File Format on page...

Страница 237: ... Notch Filter Press the Notch Filter softkey to configure the notch filter settings Refer to Notch Filter on page 237 for more information Table 4 25 Bluetooth Analyzer Filter Config menu description continued Menu Description Table 4 26 Bluetooth Analyzer Filter Config Notch Filter menu description Menu Description State Press the State softkey to enable or disable the notch filter Center Freq Pr...

Страница 238: ...ge calculation This is useful for noisy signal Applying the average points will smooth out the fluctuations introduced by the noise that caused the inconsistencies in the measurement reading Sync Average Press the Sync Average softkey to set the number of points for the synchronous averaging in the analyzer meter mode Synchronous averaging reduces noise levels by averaging the acquired data 1 to 6...

Страница 239: ...Analyzer Measurement Functions 4 Keysight U8903B User s Guide 239 NOTE For details on audio measurement ranging please refer to Appendix 29 Audio Measurement Ranging on page 603 to set the input voltage range ...

Страница 240: ...s to pass through to the digital analyzer and to be measured down to 0 Hz This setting should be selected when making DC voltage measurements AC AC coupling blocks the DC component of the input signal This setting should be selected when you need to measure only the AC component of a signal For example when you are making rms or peak to peak voltage measurement Sample Size Press the Sample Size so...

Страница 241: ...nts Higher number of average points should be used when the analyzed data is noisy 1 to 20 points Trigger Press the Trigger softkey to configure the trigger settings Refer to Trigger Analog Digital and Bluetooth Analyzer on page 244 for more information Table 4 28 Digital Analyzer Meas Config menu description continued Menu Description ...

Страница 242: ... This setting should be selected when making DC voltage measurements AC AC coupling blocks the DC component of the input signal This setting should be selected when you need to measure only the AC component of a signal For example when you are making rms or peak to peak voltage measurement Sample Size Press the Sample Size softkey to select the sample size The sample size is the number of data poi...

Страница 243: ...annel Press the Src Channel to select the internal generator channel as the reference channel used in the following situations For the result calculation in unit dBg For the frequencies searching algorithm when the frequency lock is set to Gen Lock Trigger Press the Trigger softkey to configure the trigger settings Refer to Trigger Analog Digital and Bluetooth Analyzer on page 244 for more informa...

Страница 244: ...nalog Digital and Bluetooth Analyzer The trigger menu page for analog digital and Bluetooth analyzer is displayed as shown in Figure 4 59 Figure 4 60 and Figure 4 61 Figure 4 59 Analog Analyzer Meas Config Trigger menu page Figure 4 60 Digital Analyzer Meas Config Trigger menu page ...

Страница 245: ...urement data Free Run External Channel Trigger Edge This is only available when the trigger source is External or Channel Press the Trigger Edge softkey to select the trigger edge type Rising Falling Interface This is only available when the trigger source is Channel Press the Interface softkey to select the trigger interface Analog Digital Bluetooth Channel This is only available when the trigger...

Страница 246: ... analog analyzer The signals on the positive and negative pins of the XLR connector enter a differential amplifier where they are subtracted before passing on to the detector Loopback Loopback connector type routes the signal from the generator to the analyzer internally The generator channel 1 signal will be routed to the analyzer odd channels 1 3 5 and 7 and the generator channel 2 signal will b...

Страница 247: ...C AC coupling blocks the DC component of the analog input signal by switching a capacitor in series to the input path This setting should be selected when you need to measure only the AC component of a signal For example use AC coupling when you are making an rms or peak to peak voltage measurement Ext Gain Press the Ext Gain softkey to set the input external gain value The external gain can be se...

Страница 248: ...outes the digital signal from the BNC input connector at the rear panel to the digital analyzer Bal Balanced connector type routes the digital signal from the XLR input connectors in the rear panel to the digital analyzer Optical Optical connector type routes the digital signal from the TOSLINK input connector at the rear panel to the digital analyzer DSI DSI connector type routes the digital sign...

Страница 249: ...oming Word Clock and recover the audio at its original frequency Custom The audio signal frequency will be translated according to the reference sample rate value set in the Ref SR Ref SR This is only available when frequency scaling is Custom Press the Ref SR softkey to set the reference sample rate value Table 4 32 Digital Analyzer Input Config menu description continued Menu Description ...

Страница 250: ...3B User s Guide Link Configuration Bluetooth Analyzer The link configuration for the Bluetooth analyzer is identical to the link configuration for the Bluetooth generator Please refer to Link Configuration Bluetooth Generator on page 146 for more information ...

Страница 251: ...to select the frame clock edge synchronization Rising indicates the frame clock is high on the left channel of data Falling indicates the frame clock is low on the left channel of data Fsync Width This is only available when the format is Left or Right Press the Fsync Width softkey to select the frame clock synchronization width One Bit Clock One Subframe 50 Duty Cycle Data Shift Cnt This is only ...

Страница 252: ...olution value 8 to 24 Decoding Press the Decoding softkey to select the decoding format Linear PCM A Law μ Law W Bclk Dir Press the W Bclk Dir softkey to select the word bit clock direction In Out Bit Clk Edge Press the Bit Clk Edge softkey to select the bit clock edge Rising Falling Voltage Press the Voltage softkey to select the input voltage value 1 2 Vpp 1 5 Vpp 1 8 Vpp 2 5 Vpp 3 Vpp 3 3 Vpp C...

Страница 253: ... Press the Decoding softkey to select the decoding format Linear PCM A Law μ Law Resolution Press the Resolution softkey to set the audio resolution value 8 to 24 Status Bits Press the Status Bits softkey to select the status bits type Channel User Save in Hex Press the Save in Hex softkey to save the status bits to a HEX file Refer to Save on page 94 for more information on the Save menu page Sav...

Страница 254: ... Analysis menu description Menu Description Refresh Rate Press the Refresh Rate softkey to set the refresh rate This is only applicable when the Bit Types is set to Active Bit Bit Types Press the Bit Types softkey to select the bit type Data Data bits represent the data in a word of the embedded audio data of the digital signal at the time of the measurement 1 indicates that the data is 1 at the p...

Страница 255: ...e wave file settings for analog digital and Bluetooth analyzer is displayed as shown in Figure 4 67 Figure 4 68 and Figure 4 69 respectively Figure 4 67 Analog Analyzer Wave File menu page Figure 4 68 Digital Analyzer Wave File menu page NOTE It is recommended to use fixed input range for analog wave file saving to ensure that the recorded signal s amplitude is closer to the measured signal The se...

Страница 256: ... mono wave file Right Selecting Right will record the present analyzer channel 2 signal into a mono wave file Stereo Selecting Stereo will record both the present analyzer channel 1 and channel 2 signals into a stereo wave file Bits Sample Press the Bits Sample softkey to select the wave file bits per sample 8 16 24 Duration Press the Duration softkey to set the recording duration of the wave file...

Страница 257: ...Guide 257 Statistics The statistics settings for analog digital and Bluetooth analyzer is displayed as shown in Figure 4 70 Figure 4 71 and Figure 4 72 respectively Figure 4 70 Analog Analyzer Statistics menu page Figure 4 71 Digital Analyzer Statistics menu page ...

Страница 258: ...espective softkeys to select the statistics calculation type The U8903B allows you to display three types of statistics data Min The minimum value obtained in the measurement Max The maximum value obtained in the measurement Average The calculated average value on the number of measurement readings captured Std Dev The calculated standard deviation value on the number of measurement readings captu...

Страница 259: ...262 Axis Settings 264 Trace Settings 266 Memory 268 Math 269 Persistence 270 Display Options 271 Graph 271 Data table 272 Marker table 272 Statistics 273 Harmonics 273 Signal analysis 275 Measurement Settings 276 Measurement 1 Measurement 2 277 This chapter describes the U8903B graph analysis configurations ...

Страница 260: ...ge is displayed as shown in Figure 5 1 Press on the RUN CONTROL panel to start or stop the graph analysis Refer to GRAPH Panel on page 67 for quick access to the commonly used graph functions Figure 5 1 Graph Analysis menu page NOTE The U8903B graph analysis mode is only available in the Standard View mode Refer to Menu Key on page 60 for more information When the graph analysis mode is activated ...

Страница 261: ...tion Axis Settings Press the Axis Settings softkey to configure the axis settings Refer to Axis Settings on page 264 for more information Trace Settings Press the Trace Settings softkey to configure the trace settings Refer to Trace Settings on page 266 for more information Display Option Press the Display Option softkey to select the graph analysis display option Refer to Display Options on page ...

Страница 262: ... affects the performance and quality of the analysis performed For frequency domain measurements the data returned is half of the current selected sample size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M If the sample size of an analyzer card channel is set to 2M the rest of the analyzer card channels sample size will be set to 2048 If the sample size of an analyzer card channel is ...

Страница 263: ... Press the Sync Avg softkey to set the number of samples to be acquired and averaged before the FFT process is performed Hold Press the Hold softkey to select the type of hold to be performed after the FFT process None If None is selected the latest data will always be displayed Average The Average hold will average both the current and previous data Min The Min hold will compare the current data ...

Страница 264: ...he value entered is more than the right value the right value will automatically be set to a value of Left 10 Right Press the Right softkey to set the right axis limit value If the value entered is more than the left value the left value will automatically be set to a value of Right 10 Span Press the Span softkey to set the total X axis span or total range to be monitored in the graph Center Press...

Страница 265: ...e left and right values must be more than 0 in order to use the log scale Linear Log Y Scale Press the Y Scale softkey to select the Y axis scale type The bottom and top values must be more than 0 in order to use the log scale Linear Log Table 5 3 Graph Analysis Axis Settings menu description continued Menu Description ...

Страница 266: ...channels traces files and memory Enabled Press the Enabled softkey to enable or disable the active trace data You can also access this function by pressing the Shift key and the trace number key on the CHANNEL DATA panel Memory Press the Memory softkey to save or load a trace Refer to Memory on page 268 for more information Math Press the Math softkey to apply a math function Refer to Math on page...

Страница 267: ...e primary or secondary axis The display of the active trace will reflect on the selected axis Primary Secondary Color Press the Color softkey to select the color of the active trace Yellow Cyan White Pink Green Orange Red Purple Table 5 4 Graph Analysis Trace Settings menu description continued Menu Description ...

Страница 268: ...races The memory buffer icon will be displayed at the top of the display when there is a trace saved in the memory buffer as shown in Table 1 5 Load From Memory Press the Load From Memory softkey to load a trace from the memory buffer into the active trace An error will be displayed if this softkey is pressed when there is no trace in the memory buffer Clear Memory Press the Clear Memory softkey t...

Страница 269: ...ption Menu Description Apply Math Press the Apply Math softkey to apply the corresponding math function to the trace data or turn off the math function Function Press the Function softkey to select the math function to be applied on the active trace None f Source x f Source x f Source x f Source x X Press the X softkey to set the x value in the selected math function ...

Страница 270: ...s of trace data in the graph before they are removed The previous trace data will be displayed in a lighter shade color of the active trace to distinguish between the previous and updated trace data Persist Count Press the Persist Count softkey to set the number of previous sets of trace data to be displayed in the graph before they are removed For example a value of 5 indicates that up to a total...

Страница 271: ...1 Display Options Graph Graph view is the default display option In the graph view the frequency phase and time domain analysis are performed The graph view is displayed as shown in Figure 5 8 Figure 5 8 Graph Analysis Display Option Graph menu page ...

Страница 272: ...Figure 5 9 Press the up or down arrow keys to scroll up or down the data points in the table Figure 5 9 Graph Analysis Display Option DataTable menu page Marker table In the marker table view you can observe the marker and cross marker calculation information in a table format The delta marker readings are also listed in the table The marker table view is displayed as shown in Figure 5 10 Figure 5...

Страница 273: ...own in Figure 5 11 Figure 5 11 Graph Analysis Display Option Statistics menu page Harmonics In the harmonics view you can view and perform harmonic analysis Information such as the fundamental frequency amplitude and the respective harmonics can be observed in a bar chart You can also observe the THD information for the individual channels The harmonics display is displayed as shown in Figure 5 12...

Страница 274: ...ay Table 5 8 Graph Analysis Harm Settings menu description Harmonics display Menu Description Active Press the Active softkey to select the active channel Odd Press the Odd softkey to select the odd harmonics ALL 3 5 7 9 Even Press the Even to select the even harmonics ALL 2 4 6 8 Display Press the Display softkey to select the type of harmonic analysis data to be displayed Harmonics THD THD unit ...

Страница 275: ...ide 275 Signal analysis In the signal analysis view you can view the analyzer and generator channel information The signal analysis display is displayed as shown in Figure 5 14 Figure 5 14 Graph Analysis Display Option Signal Analysis menu page ...

Страница 276: ...menu page Table 5 9 Graph Analysis Measurement menu description Menu Description Enabled Press the Enabled softkey to enable or disable the measurements in the graph If measurement is not required disable the measurements for better performance Measurement 1 Press the Measurement 1 softkey to configure the measurement 1 parameters Refer to Measurement 1 Measurement 2 on page 277 for more informati...

Страница 277: ... softkey to select the measurement interface type Analog Analyzer Digital Bluetooth Channel Press the Channel softkey to select the desired channel to perform the measurement Function No Press the Function No softkey to select the function to be displayed based on the function number 1 to 4 The function number corresponds to the respective measurement functions in the analyzer The allowable measur...

Страница 278: ...5 Graph Analysis 278 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 279: ... User s Guide 6 Sweep Function Sweep Parameter 280 Group Delay 282 Points settings 283 Sweep channels 284 Plot View 285 Axis settings 286 Plot settings 287 Edit Points 289 This chapter describes the U8903B sweep parameter and the configurations ...

Страница 280: ... on the Sweep Parameter menu page The top panel displays the current sweep settings and the bottom panels display the audio generator and audio analyzer settings respectively Press on the FUNCTION panel to switch between analog and digital interface Use the arrow keys to navigate among the panels Press on the RUN CONTROL panel to start or stop the sweep in the sweep mode Figure 6 1 Sweep Parameter...

Страница 281: ... Settings Press the Points Settings softkey to configure the sweep point parameters such as start stop step size point count and spacing Refer to Points settings on page 283 for more information Dwell Time Press the Dwell Time softkey to set the delay in ms for the generator to output the signal Sweep Mode Press the Sweep Mode softkey to select the sweep mode Continuous Sweep all points Single Swe...

Страница 282: ...iations from linear phase cause distortion Group delay is calculated by differentiating the insertion phase response of the DUT versus frequency Group delay is only meaningful when performing sweep The input signal is compared with the output signal to calculate the phase between the input and output signals The phase for frequency 1 is then recorded The output frequency is then shifted to frequen...

Страница 283: ...nly available when the sweep parameter is amplitude Vrms dBV Vp Vpp dBm dBu dBSPL Start Press the Start softkey to set the sweep start value This setting is only available when the sweep spacing is Log or Linear Stop Press the Stop softkey to set the sweep stop value This setting is only available when the sweep spacing is Log or Linear Step Press the Step softkey to set the sweep step value Adjus...

Страница 284: ...p points Refer to Edit Points on page 289 for more information If the sweep points are changed the sweep spacing mode will be set to Custom Table 6 2 Sweep Parameter Points Settings menu description continued Menu Description NOTE This setting is only available when the legacy sweep is disabled Table 6 3 Sweep Parameter Channels menu description Menu Description Source Press the Source softkey to ...

Страница 285: ...gs Press the Axis Settings softkey to configure the sweep axis settings Refer to Axis settings on page 286 for more information Plot Settings Press the Plot Settings softkey to configure the sweep trace settings Refer to Plot settings on page 287 for more information Edit Points Press the Edit Points softkey to configure the sweep points Refer to Edit Points on page 289 for more information Save P...

Страница 286: ...softkey to select the active axis Primary Secondary Left Press the Left softkey to set the left axis value Right Press the Right softkey to set the right axis value Top Press the Top softkey to set the top axis value Bottom Press the Bottom softkey to set the bottom axis value X Scale Press the X Scale softkey to set the X axis scale type Linear Log Y Scale Press the Y Scale softkey to set the Y a...

Страница 287: ...Press the Y Data softkey to select the Y axis trace data source S sweep parameter F1 measurement function 1 F2 measurement function 2 F3 measurement function 3 F4 measurement function 4 Y2 Data Press the Y2 Data softkey to select the second Y axis trace data source S sweep parameter F1 measurement function 1 F2 measurement function 2 F3 measurement function 3 F4 measurement function 4 X Data Press...

Страница 288: ...ff The result displayed is the exact value after substracted from the reference channel Hold Type Press the Hold Type softkey to select the data type to be plotted in the graph None Initial sweep data Average Each point is averaged with the corresponding point from the previous result Max Always keep the maximum value of each point Min Always plot the minimum value of each point Table 6 6 Sweep Pl...

Страница 289: ...d from the reference channel Goto Point Press the Goto Point softkey to set the sweep point number to go to The sweep point number will be highlighted You can also use the arrow keys to select the desired sweep point Point Value Press the Point Value softkey to set the currently selected sweep point value Add Point Press the Add Point softkey to add a sweep point Remove Point Press the Remove Poin...

Страница 290: ...6 Sweep Function 290 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 291: ...b step settings 309 Measurements 310 Properties 312 AC level 313 Frequency 316 Phase 319 SNR 322 THD N 327 DC level 331 Crosstalk 334 SMPTE IMD 337 DFD IMD 340 Multitone analyzer 343 Stepped frequency sweep 346 SMPTE frequency sweep 351 DFD frequency sweep 354 External frequency sweep 358 Stepped level sweep 363 SMPTE level sweep 368 DFD level sweep 372 DC level sweep 376 Receiver sensitivity 380 ...

Страница 292: ...quence Application 292 Keysight U8903B User s Guide Voice quality 395 Measurement Results 399 Report 403 Properties 404 This chapter describes the various configurations for the U8903B test sequence application ...

Страница 293: ...urements There are two main tabs in the test sequence application mode Project tab and Report tab The Project tab allows you to add up to 20 test sequence and configure the measurements in each test sequence The Report tab allows you to display all the measurements results and generate a report Use the left and right arrow keys to switch between the Project tab or Report tab Refer to Project on pa...

Страница 294: ... App softkey to start the test application project Start Test App From Here Press the Start Test App From Here softkey to start the test application from the selected test or measurement tab This setting is only available when the On Off key is pressed with the test or measurement tab selected Start Selected Measurement Press the Start Selected Measurement softkey to start the test for the selecte...

Страница 295: ...e 310 for more information Table 7 2 TSA Project menu description Menu Description New Project Press the New Project softkey to create a new project Open Project Press the Open Project softkey to load a project from a file Refer to Recall on page 95 for more information on the Recall menu page Save Project Press the Save Project softkey to save the project to a file Refer to Save on page 94 for mo...

Страница 296: ...hen Prompt DUT ID is enabled Pass Fail Msg Press the Pass Fail Msg softkey to enable or disable the on screen message dialog box that can be displayed at the end of a test sequence Press Enter to close the dialog box Pass Message Press the Pass Message softkey to edit the pass message If all the measurements in the test sequence pass the pass message is displayed The default message is Passed This...

Страница 297: ...ce Press the Add Test Sequence softkey to add a test sequence New Add a new test sequence Saved Load a saved test sequence file Refer to Recall on page 95 for more information on the Recall menu page Delete Test Sequence Press the Delete Test Sequence softkey to delete the selected test sequence Save Press the Save softkey to save the test sequence to a file Refer to Save on page 94 for more infor...

Страница 298: ... Configuration menu page Table 7 5 TSA Project Test IO Configuration menu description Menu Description Add Measurement Press the Add Measurement softkey to add measurements to the selected test sequence Refer to Measurements on page 310 for more information Edit Press the Edit softkey to paste a copied measurement after the IO configuration The IO Configuration cannot be moved or copied Settings P...

Страница 299: ...d Bluetooth interface Press the up or down arrow key to select between output configuration or input configuration Output configuration Analog The TSA Project Test IO Configuration Output Configuration menu page is displayed as shown in Figure 7 7 Figure 7 7 TSA Project Test IO Configuration Output Configuration menu page Analog ...

Страница 300: ...stance is added to pin 2 or 3 Impedance Press the Impedance softkey to select the output impedance value For Bal Com and IEC60268 600 Ω 100 Ω 40 Ω For UnBal 600 Ω 50 Ω 20 Ω IEC60268 10 Ω Press the IEC60268 10 Ω softkey to select the additional 10 Ω output series resistance for pin 2 or 3 of the XLR connector in the common IEC60268 configuration This setting is only available when the output connec...

Страница 301: ... for external source open loop measurements 1 This is only applicable if the Profiles consist of only HFP or HFP and AVRCP 2 This is only applicable if the Profiles consist of A2DP Device Press the Device softkey to select the paired or connected Bluetooth device Profiles Press the Profiles softkey to select the profile that will be used in the test If the connected Bluetooth device is selected in...

Страница 302: ...ent Bal Balanced connector type routes the signal from the XLR input connectors in the front panel to the analog analyzer The signals on the positive and negative pins of the XLR connector enter a differential amplifier where they are subtracted before passing on to the detector Loopback Loopback connector type routes the signal from the generator to the analyzer internally The generator channel 1...

Страница 303: ... be selected when you need to measure only the AC component of a signal For example use AC coupling when you are making an rms or peak to peak voltage measurement Bandwidth Press the Bandwidth softkey to select the input bandwidth value 90 kHz This is the default setting with sampling rate of 192 kHz 1 5 MHz This setting is only available with Option N3431A Refer to U8903B Options on page 37 for m...

Страница 304: ... use If the Profiles consist of A2DP the input channels in use will be fixed to 2 channels If the Profiles consist of only HFP or HFP and AVRCP the input channels in use will be fixed to 1 channel Device Press the Device softkey to select the paired or connected Bluetooth device Profiles Press the Profiles softkey to select the profile that will be used in the test If the connected Bluetooth devic...

Страница 305: ...ected when you need to measure only the AC component of a signal For example select this setting when you are making rms or peak to peak voltage measurement References Press the Reference softkey to set the input references for generator Voltage Set the reference voltage value Ratio Set the reference ratio value Frequency Set the reference frequency value Sound Lvl Set the sound level value Calibr...

Страница 306: ...nu description Menu Description Name Press the Name softkey to rename the IO configuration Sub Steps Press the Sub Steps softkey to configure the sub steps settings Refer to Sub steps on page 307 for more information on the sub steps settings Failure Press the Failure softkey to edit the failure message If one or more measurements in the test sequence fails the failure message is displayed The def...

Страница 307: ...oftkey to enable or disable the selected sub step The check box of the sub step will be selected when enabled Add Sub Step Press the Add Sub Step softkey to add sub step to the list Delay Prompt Send SCPI Delete Sub Step Press the Delete Sub Step softkey to delete the selected sub step Edit Press the Edit softkey to move or copy the selected sub step or paste a copied sub step after the selected s...

Страница 308: ...main display Prompt Icon Press the Prompt Icon softkey to select the prompt icon to be displayed None Hand Question Exclamation Asterisk Dialog Settings Press the Dialog Settings softkey to add additional settings to the prompt window Timeout When selected the timeout value sets the maximum prompt window display time in seconds If the timeout is reached the current measurement fails When unselecte...

Страница 309: ...enu Description GPIB Address Press the GPIB Address softkey to select the desired GPIB address SCPI Commands Press the SCPI Commands softkey to configure the SCPI commands Edit Set the SCPI commands at the lower half of the main display Import Load the SCPI commands from a file Refer to Recall on page 95 for more information on the Recall menu page Progress Msg Press the Progress Msg softkey to se...

Страница 310: ...menu page Table 7 14 TSA Project Test Measurement menu description Menu Description Enable Press the Enable softkey to enable or disable the selected measurement The check box for the measurement will be selected when enabled Add Measurement Press the Add Measurement softkey to add measurements Delete Measurement Press the Delete Measurement softkey to delete the selected measurement Edit Press th...

Страница 311: ...stalk SMPTE IMD DFD IMD Multitone analyzer Stepped frequency sweep SMPTE frequency sweep DFD frequency sweep Stepped level sweep SMPTE level sweep DFD level sweep DC level sweep Receiver sensitivity Measurement recorder Voice quality Properties Press the Properties softkey to configure the measurement properties Refer to Properties on page 312 for more information Table 7 14 TSA Project Test Measu...

Страница 312: ...gs Failure Handling Press the Failure Handling softkey to select the failure handling type for the selected measurement When a measurement exceeded its preset limit or faced failure due to improper configuration for example calling for a file that does not exist or sending a SCPI sub step to an unconnected devices you can direct the application to the following Cancel Seq Stop the test sequence Al...

Страница 313: ... displayed in a bar chart AC Level and Gain The gain result is not available if None is selected for the output configuration channels Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The AC level signal generation settings menu page is displayed...

Страница 314: ...ress the Waveform Config softkey to set the waveform configuration The available settings depend on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be...

Страница 315: ...36 131072 262144 524288 1M 2M Input Range Press the Input Range softkey to configure the input range settings Auto Range Enable or disable the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to m...

Страница 316: ... the frequency measurement for all the selected channels are displayed in a bar chart Frequency Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The frequency signal generation settings menu page is displayed as shown in Figure 7 19 Figure 7 19 F...

Страница 317: ...d on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be reproduced in the other channels waveform configuration settings Disable the Track 1st Ch to s...

Страница 318: ...t range settings Auto Range Enable or disable the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input volta...

Страница 319: ...nal analysis settings The result for the phase measurement for all the selected channels are displayed in a bar chart Phase Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The phase signal generation settings menu page is displayed as shown in F...

Страница 320: ...on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be reproduced in the other channels waveform configuration settings Disable the Track 1st Ch to set...

Страница 321: ...channel The phase result for the reference channel should always be displayed zero Sample Size Press the Sample Size softkey to select the number of samples to be acquired for the measurement 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Input Range Press the Input Range softkey to configure the input range settings Track 1st Ch If Track 1st Ch is enabled all the other channels will ...

Страница 322: ...nts are expressed as ratio and displayed in decibels The SNR measurement settings allows you to configure the signal generation settings and signal analysis settings The result for the SNR measurement for all the selected channels are displayed in a bar chart SNR Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through ...

Страница 323: ...n the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be reproduced in the other channels waveform configuration settings Disable the Track 1st Ch to set ...

Страница 324: ... Freq Lock Press the Freq Lock softkey to select the searching method for the fundamental frequency This setting is only available when SNR Mode is set to Fast Auto Selecting Auto will allow the U8903B to search for the fundamental frequency automatically Gen Lock Selecting Gen Lock will allow the U8903B to search for the fundamental frequency based on the generator frequency value of the respecti...

Страница 325: ...ess the HPF softkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Weighting Press the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Deemphasis Press the Deemphasis softkey to select the de emphasis filter None 50 μs 75 μs Custom Table 7 23 SNR Signal Analysis settings menu description cont...

Страница 326: ...he level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any change...

Страница 327: ...ult for the THD N measurement for all the selected channels are displayed in a bar chart SINAD THD Level THD Ratio THD N Level and THD N Ratio Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The THD N signal generation settings menu page is disp...

Страница 328: ...ig softkey to set the waveform configuration The available settings depend on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be reproduced in the oth...

Страница 329: ... internal audio generator Custom If you have a known input signal you can define the fundamental frequency value by setting the searching method to Custom and setting the frequency value in Fund Freq Fund Freq Press the Fund Freq softkey to set the fundamental frequency value This setting is only available when Freq Lock is set to Custom Harmonics Press the Harmonics softkey to select the harmonic...

Страница 330: ...put range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Tr...

Страница 331: ...generation settings and signal analysis settings The result for the DC level measurement for all the selected channels are displayed in a bar chart DC Level Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The DC level signal generation settings ...

Страница 332: ...ation The available settings depend on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be reproduced in the other channels waveform configuration sett...

Страница 333: ...range settings Auto Range Enable or disable the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage...

Страница 334: ...measured The crosstalk measurement settings allows you to configure the signal generation settings and signal analysis settings The crosstalk measured in each channels are displayed in a bar chart Crosstalk Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal g...

Страница 335: ...l Waveform Config Press the Waveform Config softkey to set the waveform configuration The available settings depend on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configurati...

Страница 336: ...y to set the fundamental frequency value This setting is only available when Freq Lock is set to Custom Sample Size Press the Sample Size softkey to select the number of samples to be acquired for the measurement 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Input Range Press the Input Range softkey to configure the input range settings Auto Range Enable or disable the auto input ran...

Страница 337: ...Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The SMPTE IMD signal generation settings menu page is displayed as shown in Figure 7 31 Figure 7 31 SMPTE IMD Signal Generation settings menu page NOTE This measurement requires a closed loop configuration ...

Страница 338: ...g Press the Waveform Config softkey to set the waveform configuration The available settings depend on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will...

Страница 339: ...Freq softkey to set the lower fundamental frequency value This setting is only available when Freq Lock is set to Custom Sample Size Press the Sample Size softkey to select the number of samples to be acquired for the measurement 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Input Range Press the Input Range softkey to configure the input range settings Auto Range Enable or disable t...

Страница 340: ...the DFD ratio measurement for all the selected channels are displayed in a bar chart DFD Ratio Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The DFD IMD signal generation settings menu page is displayed as shown in Figure 7 33 Figure 7 33 DFD ...

Страница 341: ...ey to set the waveform configuration The available settings depend on the waveform type Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edited Any changes made to channel 1 waveform configuration settings will be reproduced in the other chann...

Страница 342: ...or disable the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input chan...

Страница 343: ...TD N Ratio and Tone Level Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The multitone analyzer signal generation settings menu page is displayed as shown in Figure 7 35 Figure 7 35 Multitone Analyzer Signal Generation settings menu page NOTE T...

Страница 344: ...tones Start freq The lowest frequency in the multitone waveform Stop freq The highest frequency in the multitone waveform Freq Spacing The frequency spacing between the tones Tone Count The number of signal frequency components The maximum number of tones that can be generated is 60 for analog and 64 for digital Bluetooth Length The waveform length that determines the number of samples used to cre...

Страница 345: ...ultitone Analyzer Signal Analysis settings menu description Menu Description Input Range Press the Input Range softkey to configure the input range settings Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made to channel 1 range setting will be reproduced in the other channels Disable the Track 1st Ch to set the individua...

Страница 346: ...tio THD Level THD N Ratio THD N Level and SINAD Refer to Measurement Results on page 399 for more information on the respective result menu page Auto ranging is not supported for the phase result Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The stepped frequency sweep signal generation settings menu page is displayed as shown in Figure 7...

Страница 347: ...only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual points value insert or remove points load points and save the points Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the ot...

Страница 348: ...ef Channel softkey to set the reference channel number The phase of each channel is measured against the reference channel The phase result for the reference channel should always be displayed zero Wrap Phase Press the Wrap Phase softkey to enable or disable the wrap phase On The phase result is wrapped so that it falls within the range of 180 180 Off The result displayed is the exact value after ...

Страница 349: ...oftkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Weighting Press the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Deemphasis Press the Deemphasis softkey to select the de emphasis filter None 50 μs 75 μs Custom Table 7 37 Stepped Frequency Sweep Signal Analysis settings menu descripti...

Страница 350: ...f the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made to ...

Страница 351: ...respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The SMPTE frequency sweep signal generation settings menu page is displayed as shown in Figure 7 39 Figure 7 39 SMPTE Frequency Sweep Signal Generation settings menu page NOTE This measurement requires a closed loop configuration in which both the generator and the ...

Страница 352: ...ng is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual points value insert or remove points load points and save the points Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the wave...

Страница 353: ...configure the input range settings Auto Range Enable or disable the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a...

Страница 354: ...ts on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The DFD frequency sweep signal generation settings menu page is displayed as shown in Figure 7 41 Figure 7 41 DFD Frequency Sweep Signal Generation settings menu page NOTE This measurement requires a closed loop configurati...

Страница 355: ... to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual points value insert or remove points load points and save the points Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform conf...

Страница 356: ... Sweep Signal Analysis settings menu page Table 7 41 DFD Frequency Sweep Signal Analysis settings menu description Menu Description DFD order Press the DFD order softkey to select the distortion product order to be measured 2nd 3rd Sample Size Press the Sample Size softkey to select the number of samples to be acquired for the measurement 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M...

Страница 357: ...auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made to channel 1 range setting will be reproduced in the other channels Disable the Track...

Страница 358: ...equency Sweep Signal Generation settings menu description Menu Description Instrument Press the Instrument softkey to select the instrument model Keysight 33220A Keysight 33250A Keysight 33500A Keysight 33600A Other GPIB Address Press the GPIB Address softkey to select the GPIB address 0 to 30 Init Instrument Press the Init Instrument softkey to enable or disable the U8903B to send SCPI commands t...

Страница 359: ...p configuration Start Set the start value for the sweep parameter Stop Set the stop value for the sweep parameter Spacing Select Log Linear or Custom for the sweep spacing Points Set the number of sweep points Step Size Set the step size for linear spacing This setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual ...

Страница 360: ...ption Menu Description Ref Channel Press the Ref Channel softkey to select the reference channel number The phase of each channel is measured against the reference channel The phase result for the reference channel should always be displayed zero Harmonics Press the Harmonics softkey to select the harmonics count to be used in the THD ratio and THD level results All 2 to 9 LPF Press the LPF softke...

Страница 361: ...mphasis softkey to select the de emphasis filter None 50 μs 75 μs Custom Notch Filter Press the Notch Filter softkey to configure the notch filter settings HP8903B Enable or disable the HP8903B mode Custom Notch Enable or disable the custom notch Center Freq Set the center frequency value This is only applicable when custom notch is enabled Bandwidth Set the bandwidth value This is only applicable...

Страница 362: ...f the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made to ...

Страница 363: ...D Level Vs Measured Amplitude THD N ratio THD N Level THD N Ratio Vs Measured Amplitude THD N Level Vs Measured Amplitude and SINAD Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The stepped level sweep signal generation settings menu page is d...

Страница 364: ...ze for linear spacing This setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual points value insert or remove points load points and save the points Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configura...

Страница 365: ...ting Auto will allow the U8903B to search for the fundamental frequency automatically Gen Lock Selecting Gen Lock will allow the U8903B to search for the fundamental frequency based on the generator frequency value of the respective generator channel This Gen Lock method is only useful if you use the internal audio generator Custom If you have a known input signal you can define the fundamental fr...

Страница 366: ... softkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Weighting Press the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Deemphasis Press the Deemphasis softkey to select the de emphasis filter None 50 μs 75 μs Custom Table 7 45 Stepped Level Sweep Signal Analysis settings menu description...

Страница 367: ... of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made t...

Страница 368: ...ion on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The SMPTE level sweep signal generation settings menu page is displayed as shown in Figure 7 47 Figure 7 47 SMPTE Level Sweep Signal Generation settings menu page NOTE This measurement requires a closed loop configuration in which both the generator and t...

Страница 369: ...cing This setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual points value insert or remove points load points and save the points Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings wil...

Страница 370: ...the upper and lower frequencies of the input signal based on the upper and lower frequencies of the respective generator channel This Gen Lock method is only useful if you use the internal audio generator Custom If you have a known input signal you can define the upper and lower frequency values by setting the searching method to Custom and setting the frequency value in Upper Freq and Lower Freq ...

Страница 371: ...l of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made ...

Страница 372: ...ion on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The DFD level sweep signal generation settings menu page is displayed as shown in Figure 7 49 Figure 7 49 DFD Level Sweep Signal Generation settings menu page NOTE This measurement requires a closed loop configuration in which both the generator and the a...

Страница 373: ...setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individual points value insert or remove points load points and save the points Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copie...

Страница 374: ...weep Signal Analysis settings menu page Table 7 49 DFD Level Sweep Signal Analysis settings menu description Menu Description DFD order Press the DFD order softkey to select the distortion product order to be measured 2nd 3rd Sample Size Press the Sample Size softkey to select the number of samples to be acquired for the measurement 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M ...

Страница 375: ...d auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made to channel 1 range setting will be reproduced in the other channels Disable the Tra...

Страница 376: ...erformed Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page Signal generation The DC level sweep signal generation settings menu page is displayed as shown in Figure 7 51 Figure 7 51 DC Level Sweep Signal Generation settings menu page NOTE This measurement requires ...

Страница 377: ...select the output channel Sweep Config Press the Sweep Config softkey to set the sweep configuration Start Set the start value for the sweep parameter Stop Set the stop value for the sweep parameter Spacing Select Log Linear or Custom for the sweep spacing Points Set the number of sweep points Step Size Set the step size for linear spacing This setting is only available when spacing is set to Line...

Страница 378: ... 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom HPF Press the HPF softkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Weighting Press the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Deemphasis Press the Deemphasis softkey to select the de emphasis filter Non...

Страница 379: ...vel of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes mad...

Страница 380: ...er such as a two way radio is connected to the U8903B either by a direct connection or through an acoustic coupler Figure 7 53 General setup for the receiver sensitivity measurement Set the audio output level of the receiver as required and the signal generator settings to the desired value The U8903B will automatically adjust the RF power output from the signal generator so that the targeted SINA...

Страница 381: ...Step Size Press the Step Size softkey to set the step size Dwell Time Press the Dwell Time softkey to set the delay between each measured SINAD in seconds Init Instrument Press the Init Instrument softkey to enable or disable the U8903B to send SCPI commands to initialize the connected signal generator FM Frequency Press the FM Frequency softkey to set the RF signal output frequency This setting i...

Страница 382: ...onnected signal generator The command must be in the following pattern Cmds val Cmds is the SCPI command and val is the value that will be filled up by the measurement to perform sweep For example POW val DBM This setting is only available if Instrument is set to Other Table 7 52 Receiver Sensitivity Signal Generation settings menu description continued Menu Description Table 7 53 Receiver Sensiti...

Страница 383: ...nd Freq Press the Fund Freq softkey to set the fundamental frequency value This setting is only available when Freq Lock is set to Custom LPF Press the LPF softkey to select the low pass filter None 2 kHz 3 kHz 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom HPF Press the HPF softkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 30...

Страница 384: ... Press the Sample Size softkey to select the number of samples to be acquired for the measurement 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Input Range Press the Input Range softkey to configure the input range settings Auto Range Enable or disable the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the i...

Страница 385: ...Sweep Signal Generation settings menu description Menu Description Instrument Press the Instrument softkey to select the instrument model Keysight 33220A Keysight 33250A Keysight 33500A Keysight 33600A Other GPIB Address Press the GPIB Address softkey to select the GPIB address 0 to 30 Init Instrument Press the Init Instrument softkey to enable or disable the U8903B to send SCPI commands to initia...

Страница 386: ...eep configuration Start Set the start value for the sweep parameter Stop Set the stop value for the sweep parameter Spacing Select Log Linear or Custom for the sweep spacing Points Set the number of sweep points Step Size Set the step size for linear spacing This setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Points Edit the individua...

Страница 387: ...lecting Auto will allow the U8903B to search for the fundamental frequency automatically Gen Lock Selecting Gen Lock will allow the U8903B to search for the fundamental frequency based on the generator frequency value of the respective generator channel This Gen Lock method is only useful if you use the internal audio generator Custom If you have a known input signal you can define the fundamental...

Страница 388: ... softkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Weighting Press the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Deemphasis Press the Deemphasis softkey to select the de emphasis filter None 50 μs 75 μs Custom Table 7 55 Stepped Level Sweep Signal Analysis settings menu description...

Страница 389: ...e the auto input range If auto range is enabled each analog channel input range is determined automatically based on the level of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track...

Страница 390: ... channel count sample size and result type A reading is obtained at the beginning of the measurement and throughout the duration set until the elapsed time The results are displayed on an X Y graph with the time parameter on the X axis and the measured results on the Y axis AC Level Gain Phase THD N Ratio THD N Level DC Level Frequency and SINAD Refer to Measurement Results on page 399 for more in...

Страница 391: ...rm type Sine Variable Phase Square Arbitrary Output Press the Output softkey to select the output channel Waveform Config Press the Waveform Config softkey to set the waveform configuration Track 1st Ch If Track 1st Ch is enabled the generator channel 1 waveform configuration settings will be copied to the other channels and the waveform configuration settings for the other channels cannot be edit...

Страница 392: ...ence channel should always be displayed zero Wrap Phase Press the Wrap Phase softkey to enable or disable the wrap phase On The phase result is wrapped so that it falls within the range of 180 180 Off The result displayed is the exact value after substracted from the reference channel Freq Lock Press the Freq Lock softkey to select the searching method for the fundamental frequency Auto Selecting ...

Страница 393: ... softkey to select the high pass filter None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Weighting Press the Weighting softkey to select the weighting filter None A CCIR 1k CCIR 2k CCITT C Message Custom Deemphasis Press the Deemphasis softkey to select the de emphasis filter None 50 μs 75 μs Custom Table 7 57 Measurement Recorder Signal Analysis settings menu descriptio...

Страница 394: ... of the input signal If the input signal level changes beyond the ranging threshold auto range will cause the input ranging circuits to move up or down for a proper ranging If auto range is disabled you can set a fixed input voltage range for each analog input channel Track 1st Ch If Track 1st Ch is enabled all the other channels will be set to follow the channel 1 range setting Any changes made t...

Страница 395: ...ement The result for the voice quality measurement for all the selected channels are displayed in a bar chart MOS LQO and Levels Refer to Measurement Results on page 399 for more information on the respective result menu page Use the arrow keys to navigate through the respective tabs and to display the menu page NOTE POLQA and PESQ measurements are only available with N3433A Refer to U8903B Option...

Страница 396: ...ption card configuration and settings in the U8903B For more information please refer to POLQA Recording Duration Analysis on page 602 Table 7 58 Voice Quality Signal Generation and Analysis settings menu description Menu Description Test Config Press the Test Config softkey to set the test configurations Standard Select POLQA or PESQ as the test standard Bandwidth Select Narrowband or Super Wideb...

Страница 397: ...r and Reference File is set to Custom Rec Channel Set the channel number to be recorded from This setting is only available when Source is set to Generator and Reference File is set to Recorded Rec Duration Set the recording duration to be recorded This setting is only available when Source is set to Generator and Reference File is set to Recorded Rec Step Set the start recording type This setting...

Страница 398: ...he recording after a delay Prompt Start the recording after the user presses the Enter key to proceed in the confirmation prompt Rec Delay Set the delay time before a recording is performed This setting is only available when Source is set to Analyzer and Rec Step is set to Delay Rec to File Enable or disable exporting the recording function This setting is only available when Source is set to Ana...

Страница 399: ...SA Project Test Measurement Settings Result bar chart menu description Menu Description Enable Press the Enable softkey to enable or disable the selected result tab Add Result Press the Add Result softkey to add a new result tab to the measurement Delete Result Press the Delete Result softkey to delete the selected result tab from the measurement Save Data Press the Save Data softkey to save the s...

Страница 400: ...imits settings Disable the Track 1st trace to set the individual channels limits Lower Limit Enable or disable the lower limit Upper Limit Enable or disable the upper limit Lower Limit Set the lower limit value Upper Limit Set the upper limit value Graph Properties Press the Graph Properties softkey to set the graph properties Title Edit the bar chart title X axis Auto Scale Enable or disable the ...

Страница 401: ...umber or the trace type POLQA measurement Limit Type Select Upper or Lower as the limit type Track 1st If Track 1st trace is enabled the channel 1 limits settings will be copied to the other channels and the limits settings for the other channels cannot be edited Any changes made to the channel 1 limits settings will be reproduced in the other channels limits settings Disable the Track 1st trace t...

Страница 402: ...it type Top Set the Y axis top value This setting is only available when Auto Scale is disabled Bottom Set the Y axis bottom value This setting is only available when Auto Scale is disabled Traces Trace Select the analyzer trace channel State Enable or disable the trace Color Set the trace color Graph Properties This is only applicable for POLQA measurement MOS LQO and Delay results Press the Grap...

Страница 403: ...e 7 63 TSA Report menu page Table 7 61 TSA Report menu description Menu Description Clear Press the Clear softkey to clear all the report data Save Press the Save softkey to save the report to a DOCX file format Refer to Save on page 94 for more information on the Save menu page Properties Press the Properties softkey to configure the auto save settings Refer to Properties on page 404 for more inf...

Страница 404: ...t to be saved Docx Html Name Option Press the Name Option softkey to select the naming convention of the file name for the automatically saved report Timestamp Save the report in a time stamp suffix file name Numeric Save the report in a numerical suffix file name that increments with each save Prompt Prompts for the file name at the end of a test sequence Prefix Press the Prefix softkey to set th...

Страница 405: ...the current folder or to another directory Use the arrow keys to navigate through the files or select the desired folder or file Press the Select softkey to select the current folder as the location to be saved to Press the New Folder softkey to create a new folder at the current directory or folder Figure 7 65 Select Path menu page ...

Страница 406: ...7 Test Sequence Application 406 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 407: ...er describes the various configurations for the HP8903B mode NOTE The HP8903B mode is only available when GPIB is initialized successfully Entering or exiting the HP8903B mode will cause the system to reset Some of the SCPI commands for the active channel of the analog analyzer and analog generator that work in the standard view mode will not work in the HP8903B mode ...

Страница 408: ...sight U8903B User s Guide HP8903B Press and select HP8903B to access the HP8903B menu page The U8903B allows you to emulate the HP8903B audio analyzer behavior in the HP8903B mode Figure 8 1 HP8903B menu page 1 2 3 4 5 ...

Страница 409: ...enerator panel Display the frequency and amplitude values of the sine waveform The highlighted generator parameter label in red indicates the current increment parameter You can use the up or down arrow keys to increment decrement the current parameter value according to the parameter step value Refer to Generator on page 412 for more information 4 Measurement setting panel Display the current mea...

Страница 410: ...pass filter value The default low pass filter can be set at HP8903B Config on page 89 None 30 kHz 80 kHz HP W Filter Press the HP W Filter softkey to select the HP8903B high pass or weighting filter value The filter selection depends on the left and right filters set at HP8903B Config on page 89 Reference Press the Reference softkey to set the reference value to be compared with the measured value...

Страница 411: ... units that are applicable for the individual HP8903B measurement modes Table 8 3 HP8903B unit charts Measurement Ratio On Ratio Off LOG LIN LOG LIN AC LEVEL dB dBm into 600 Ω V DC LEVEL dB dBm into 600 Ω V SINAD dB dB SIG NOISE dB dB DSTN dB dB DSTN LEVEL dB dBm into 600 Ω V ...

Страница 412: ... the HP8903B generator amplitude value Changing the amplitude value will also set the step parameter to amplitude Step Param Press the Step Param softkey to select the HP8903B generator step parameter type Frequency Amplitude Freq Step Press the Freq Step softkey to set the HP8903B generator frequency step value This setting is only available when the step parameter is set to frequency Amp Step Pr...

Страница 413: ...the number of points per decade Refer to the HP8903B special function codes 17 0 to 17 9 as listed in Table 8 6 The frequency point formula for reverse sweep is as follows Select Sweep in the HP8903B menu page to configure the HP8903B sweep settings Figure 8 4 HP8903B Sweep menu page Frequency Start frequency 10 n k Frequency Start frequency 10 n k Table 8 5 HP8903B Sweep menu description Menu Des...

Страница 414: ...nput Level Range except DC Level Table 8 6 HP8903B special function code list description Special function Code Description Input Level Range except DC Level 1 0 1 3 1 4 1 5 1 6 1 8 1 9 1 10 1 11 1 13 1 14 1 15 1 16 1 19 Auto range 140 V range 100 V range 32 V range 10 V range 3 2 V range 1 V range 0 32 V range Input Level Range DC Level only 2 0 2 2 2 3 2 4 Auto Range 100 V range 32 V range 10 V ...

Страница 415: ...nts decade 50 points decade 100 points decade 200 points decade 500 points decade Display Level in Watts 19 0 19 NNN Display level as watts into 8 Ω Display level as watts into NNN Ω Read Display to SCPI 20 0 20 1 Read right display Read left display Frequency GPIB Address SCPI Only 21 1 Displays GPIB address in decimal GPIB Service Request Condition SCPI Only 22 N Enable a Condition to cause a se...

Страница 416: ...r is balanced and the analyzer impedance is 200 kΩ Table 8 8 Floating output settings Floating output Analog analyzer settings Off default Generator connector is unbalanced with unbalanced impedance of 600 Ω default or 50 Ω On Generator connector is balanced with balanced impedance of 600 Ω or 40 Ω Table 8 9 Floating output settings and special functions to change the generator impedance Floating ...

Страница 417: ...io Analyzer User s Guide 9 Characteristics and Specifications For the characteristics and specifications of the U8903B Performance Audio Analyzer refer to the data sheet at http literature cdn keysight com litweb pdf 5991 4551EN pdf ...

Страница 418: ...9 Characteristics and Specifications 418 Keysight U8903B User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Страница 419: ... 490 Appendix 12 Save Menu Tree 493 Appendix 13 Recall Menu Tree 494 Appendix 14 Test Sequence Menu Tree 495 Measurement settings 503 Measurement results 548 Appendix 15 HP8903B Menu Tree 552 Appendix 16 Units of the Measurement Function Returned Values 554 Analog analyzer 554 Digital analyzer 555 Bluetooth analyzer 556 Units for digital audio measurements 558 Appendix 17 Arbitrary File Format 559...

Страница 420: ... Example 5 Configuring the system clock reference settings 579 Example 6 Configuring the digital generator DSI output settings 580 Appendix 23 Relationship between Digital Waveform Parameters and Channels 581 Appendix 24 Word Length Sampling Rate and Multiplier for DSI 583 Appendix 25 Word Length Sampling Rate and Multiplier for Master Clock In 589 Appendix 26 U8903B Default Settings 595 Analog ge...

Страница 421: ...Tree on page 486 for the graph analysis menu tree Sweep Access the sweep function mode Refer to Appendix 11 Sweep Function Menu Tree on page 490 for the sweep function menu tree Full Screen Maximize the graph view to the full display size This function is only applicable in the graph analysis mode Display Switch among the 2 panel view 4 panel view or 10 panel view in the analyzer and generator mod...

Страница 422: ...le or disable the threshold line in the graph On Off Peak Thres Set the peak threshold value Min Thres Set the minimum threshold value Marker Active Marker M1 to M8 Select the active marker number State On Off Enable or disable the active marker Trace 1 to 8 Select the trace number for the active marker Ref Mkr OFF M1 to M8 Select the reference marker number Movement Single Pair Bin Peak Harmonic ...

Страница 423: ...toscaling on the X axis and Y axis AutoScale X Perform autoscaling on the X axis by searching for the most optimum scale left and right values for the X axis based on the data being displayed in the graph AutoScale Y Perform autoscaling on the Y axis by searching for the most optimum scale top and bottom values for the Y axis based on the data being displayed in the graph Zoom Magnify a section of...

Страница 424: ...urrent channel number Save the current channel state to a file Refer to Appendix 12 Save Menu Tree on page 493 for the save menu tree Save x x current mode Save the current mode state to a file Refer to Appendix 12 Save Menu Tree on page 493 for the save menu tree Recall Recall a saved U8903B state from a file Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree Copy To Copy ...

Страница 425: ...file into the active trace Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree Copy To Copy the current channel graph state to other channel s Copy Graph From Select a channel number to copy the graph state to the current channel File Explorer Rename delete copy or move files Help Shift Utility Display the help mode Press Shift Utility to close the help mode System Error Inf...

Страница 426: ...nce project files and so on It does not affect the U8903B settings and license information Options Add Option Add a new U8903B option Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree Remove Option Remove the selected U8903B option Settings Date Edit the date in dd mm yyyy format Time Edit the current time in 24 hour format Brightness 0 to 6 Adjust the LCD display brightne...

Страница 427: ...f Enable or disable the aux audio monitor Audio Output Speaker Phone Select the aux audio output type Audio Mode Stereo Mono This is only available when audio output is Phone Select the aux audio mode type Volume 0 to 100 Select the aux audio volume DC Output Set the aux DC output value Board Info Display the U8903B available cards information Legacy Status On Off Enable or disable the legacy swee...

Страница 428: ... offset value Waveform Config V Phase Amplitude Set the signal amplitude value Frequency Set the signal frequency value Phase 1 This is only available when the analog generator is in channel 2 Set the phase of the channel 2 sine waveform with reference to channel 1 Waveform Config Dual Amplitude Set the signal amplitude value Frequency Set the signal frequency value Frequency 2 Set the second sine...

Страница 429: ...near Summation refers to the method to sum up two levels Waveform Config Gaus Noise Amplitude Set the signal amplitude value DC Offset Set the signal DC offset value Waveform Config Rect Noise Amplitude Set the signal amplitude value DC Offset Set the signal DC offset value Waveform Config Pink Noise Amplitude Set the signal amplitude value DC Offset Set the signal DC offset value Waveform Config ...

Страница 430: ... is set Tones Set the number of signal frequency components Length 1024 2048 4096 8192 16384 32768 65536 Select the waveform length that determines the number of samples used to create one iteration of the multitone waveform Custom Apply Apply the current setting on the selected tone for the custom multitone waveform Optimize Optimize the crest factor for the custom multitone waveform Frequency Se...

Страница 431: ...val time for the DTMF sequence Repeat Enable or disable repeating the DTMF sequence Summation RSS Linear Summation refers to the method to sum up two levels Output Config Connector Bal UnBal Com IEC60268 Select the output connector type Impedance For Bal Com and IEC60268 600 Ω 100 Ω 40 Ω For UnBal 600 Ω 50 Ω 20 Ω Select the output impedance value IEC60268 10 Ω Pin 2 Pin 3 Select the additional 10 ...

Страница 432: ... Sine Burst Stereo Monotonicity Constant Walking Zero Walking One Multitone Arbitrary Select the waveform type Waveform Config Sine Amplitude Set the signal amplitude value Frequency Set the signal frequency value DC Offset Set the signal DC offset value Waveform Config V Phase Amplitude Set the signal amplitude value Frequency Set the signal frequency value Phase 1 This is only available when the...

Страница 433: ...igher frequency value Diff Freq Set the difference frequency of the waveform DC Offset Set the signal DC offset value Summation RSS Linear Summation refers to the method to sum up two levels Waveform Config IEC 60268 Amplitude Set the signal amplitude value Center Freq Set the center frequency of the waveform Diff Freq Set the difference frequency of the waveform DC Offset Set the signal DC offset...

Страница 434: ...re wave Waveform Config Constant Voltage Set the signal voltage value Waveform Config Walking Zero Samples Step Set the speed the single bit 0 is incremented Waveform Config Walking One Samples Step Set the speed the single bit 1 is incremented Waveform Config Multitone Amplitude Set the signal amplitude value Start Freq Set the lowest frequency in the multitone waveform which is usually the frequ...

Страница 435: ... tone for the custom multitone waveform Clear Clear all the tones in the custom multitone waveform list Waveform Config Abitrary Amplitude Set the signal amplitude value DC Offset Set the signal DC offset value Load File Load a waveform from a file Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree Info Display the loaded waveform information Output Config Connector Bal UnB...

Страница 436: ... On Off Enable or disable the synchronous clock output Source Internal AES RCLK External Select the synchronous clock source Divider 1 128 Select the synchronous clock divider value DSI Config Voltage 1 2 Vpp 1 5 Vpp 1 8 Vpp 2 5 Vpp 3 Vpp 3 3 Vpp Select the output voltage or set your desired output voltage Channels 2 4 6 8 10 12 14 16 Select the number of channels Format Left Right I2S DSP Select ...

Страница 437: ...rate value AES3 SPDIF Level Set the output voltage level Resolution 8 to 24 Set the audio resolution value Validity Bit Set Clear Select the vailidity bit Mode Consumer Professional Select the AES3 SPDIF format Status Bits Channel User Select the status bits type Edit Bits Consumer Select Byte Select the byte and edit the byte Audio Mode Non Linear PCM Linear PCM Select the audio mode Copyright Co...

Страница 438: ... category code type Source Num 0 to 15 Set the source number Channel Num 0 to 15 Set the channel number Sample Freq Not indicated 22 05 kHz 24 kHz 32 kHz 44 1 kHz 48 kHz 88 2 kHz 96 kHz 176 4 kHz 192 kHz 768 kHz Select the sample frequency value Clk Accuracy Level 1 Level 2 Level 3 Reserved Select the clock accuracy type Max Word Len 24 bits 20 bits Select the maximum word length Table A 5 Digital...

Страница 439: ...4 kHz 32 kHz 44 1 kHz 48 kHz 88 2 kHz 96 kHz 176 4 kHz 192 kHz Reserved 1 Reserved 2 Select the original sample frequency value CGMA A Copying Permitted Condition Not Used One Generation Copy Copying Denied Select the CGMA A type Edit Bits Professional Select Byte Select the byte and edit the byte Audio Mode Non Linear PCM Linear PCM Select the audio mode Emphasis Not indicated No pre emphasis 50 ...

Страница 440: ...ng Chan Mode Not indicated 2 channel Single channel Primary Secondary Stereo Reserved 1 Reserved 2 Mono Double Rate Left Double Rate Right Double Rate Multichannel Select the channel mode User Bits Not indicated 192 bit block Reserved for AES18 User defined Reserved for Metadata As in IEC60958 3 Select the user bits type Aux Bits 20 bit not defined 24 bit main audio 20 bit single Reserved Select t...

Страница 441: ...de 2 Mode 3 User Defined This is only available when the multi channel status is set to Defined Select the multi channel mode Channel Num 1 to 16 Defined multi channel status 1 to 128 Undefined multi channel status Set the channel number Ref Signal Not a ref signal Grade 1 Grade 2 Reserved Select the reference signal type Channel Origin Set the channel origin value 4 alphanumeric digit Channel Des...

Страница 442: ...endix 12 Save Menu Tree on page 493 for the save menu tree Load File Load the bits from a file Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree References Volts FS Set the volts FS reference for the analog output voltage in Volts of the DAC used when converted to digital full scale 1 FS Table A 5 Digital generator menu tree description continued Level 1 Level 2 Level 3 Le...

Страница 443: ...gnal DC offset value Waveform Config V Phase Amplitude Set the signal amplitude value Frequency Set the signal frequency value Phase 1 This is only available when the analog generator is in channel 2 Set the phase of the channel 2 sine waveform with reference to channel 1 Waveform Config Dual Amplitude Set the signal amplitude value Frequency 1 Set the signal frequency value Frequency 2 Set the se...

Страница 444: ... value Summation RSS Linear Summation refers to the method to sum up two levels Waveform Config Gaus Noise Amplitude Set the signal amplitude value DC Offset Set the signal DC offset value Waveform Config Rect Noise Amplitude Set the signal amplitude value DC Offset Set the signal DC offset value Waveform Config Pink Noise Amplitude Set the signal amplitude value DC Offset Set the signal DC offset...

Страница 445: ...art Freq Set the lowest frequency in the multitone waveform which is usually the frequency for the first tone Stop Freq Set the highest frequency in the multitone waveform which is usually the frequency for the last tone Freq Spacing Linear Log Custom Select frequency spacing between the tones Custom is selected when the custom multitone waveform is set Tones Count Set the number of signal frequen...

Страница 446: ...he custom multitone waveform Add Below Add the tone below the selected tone for the custom multitone waveform Remove Remove the selected tone for the custom multitone waveform Clear Clear all the tones in the custom multitone waveform list Link Config Device Scan Device Search Search for the discoverable Bluetooth devices within range Max Scan 1 to 16 Set the maximum number of Bluetooth devices to...

Страница 447: ...Pause Streaming Select the advanced audio distribution profile operation settings HFP Operation Handsfree Headset Dial Answer Call End Call Reject Call Toggle Audio Button Press Send AT Command Select the HFP Handsfree Headset profile operation settings HFP Operation Audio Gateway Connect Disconnect Call Hang Up Send AT Command Select the HFP Audio Gateway profile operation settings AVRCP Operatio...

Страница 448: ...r Enable or disable the auto pairing function Discoverable Enable or disable the discoverability function of the U8903B s Bluetooth card Connectable Enable or disable the connectability function of the U8903B s Bluetooth card Loopback Enable or disable the integrated interchip sound audio loopback function Link Status Enable or disable the link status of the U8903B s Bluetooth card RF Port RF1 RF2...

Страница 449: ...o Preference Select the HFP s codec retransmission effort Packet Types HV1 HV2 HV3 EV3 EV4 EV5 2EV3 3EV3 2EV5 3EV5 Select the packet type used in the HFP s codec AVRCP Log View Clear Log Clear the AVRCP operation log history Refresh Log Refresh the AVRCP operation log history References Ref Impedance Set the reference impedance for the unit conversion of dBm measurements Table A 6 Bluetooth genera...

Страница 450: ...ge DC Voltage THD N Ratio THD N Level SINAD THD Ratio THD Level SMPTE IMD DFD60268 2nd DFD 60268 3rd DFD 60118 2nd DFD 60118 3rd SNR SNR Fast J Test Select the measurement function This setting is only available when the multichannel mode is set to Off Functions Frequency Unit Hz ΔHz Select the unit type Format Off Delta Select the reading format of the returned measurement reading Set result as r...

Страница 451: ...one reference level for each channel Ref Imp Set the reference impedance value This setting is only available when the unit is set to W Cal SPL Set the calibration level value This setting is only available when the unit is set to dBSPL Detector RMS Pk Pk Select the AC level detection type Functions DC Voltage Unit V ΔV x Select the unit type Format Off Linear Delta Select the reading format of th...

Страница 452: ...elected channel as the reference ratio Ref Ratio Set the reference ratio value There is only one reference ratio for each channel Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Analog Notch Enable Disable Enable or disable the analog notch ...

Страница 453: ... only one reference level for each channel Ref Imp Set the reference impedance value This setting is only available when the unit is set to W Cal SPL Set the calibration level value This setting is only available when the unit is set to dBSPL Functions THD N Level Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value ...

Страница 454: ...the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions THD Ratio Unit dB ΔdB x Select the unit type Format Off Linear Delta Select the reading format of the returned measurement reading Set to 0dB Store the measured ratio as the reference ratio and set the measurement reading format to Delta Set resu...

Страница 455: ...d measurement reading Set to 0dB Store the measured level as the reference level and set the measurement reading format to Logarithmic Set result as ref from Channels 1 to 8 Store the measurement result from the selected channel as the reference frequency Ref Level Set the reference level value There is only one reference level for each channel Ref Imp Set the reference impedance value This settin...

Страница 456: ...red ratio as the reference ratio and set the measurement reading format to Delta Set result as ref from Channels 1 to 8 Store the measurement result from the selected channel as the reference ratio Ref Ratio Set the reference ratio value There is only one reference ratio for each channel Freq Lock Gen Lock Custom Select the searching method for the upper and lower frequencies Upper Freq Set the up...

Страница 457: ...B Store the measured ratio as the reference ratio and set the measurement reading format to Delta Set result as ref from Channels 1 to 8 Store the measurement result from the selected channel as the reference ratio Ref Ratio Set the reference ratio value There is only one reference ratio for each channel SNR Delay Set the SNR delay value Functions SNR Fast Unit dB ΔdB x Select the unit type Format...

Страница 458: ...ustom Functions X Talk Ref Channel Set the driven channel Unit dB ΔdB x Select the unit type Format Off Linear Delta Select the reading format of the returned measurement reading Set to 0dB Store the measured ratio as the reference ratio and set the measurement reading format to Delta Set result as ref from Channels 1 to 8 Store the measurement result from the selected channel as the reference rat...

Страница 459: ... Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k C Message CCITT Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the filter de emphasis value Notch Filter State Enable or disable the notch filter Enable Disable Center Freq Set the frequency of the component to be removed from the input signal Bandwidth Set the bandwidth of the signal component to be...

Страница 460: ...requencies searching algorithm when the frequency lock is set to Gen Lock Trigger Source Free Run External Select the trigger source Trigger Edge Rising Falling Select the trigger edge type Input Config Connector UnBal Bal Loopback Select the input connector type Impedance 100 kΩ for UnBal 200 kΩ for Bal 600 Ω 300 Ω Select the input impedance value This setting is only available when the input con...

Страница 461: ... 8 16 24 Select the wave file number of bits per sample Duration 1 s to 600 s Set the recording duration of the wave file Record Start recording and save the measurement into a wave file Statistics Show Stats On Off Enable or disable the statistics calculation No of Reading 2 to 20 Set the number of readings used for the statistics calculation Stat 1 Stat2 Stat3 Min Max Average Std Dev ΔMinMax Sel...

Страница 462: ... the active function number to configure the settings Meas Func None Frequency AC Voltage DC Voltage THD N Ratio THD N Level SINAD THD Ratio THD Level SMPTE IMD DFD60268 2nd DFD 60268 3rd DFD 60118 2nd DFD 60118 3rd Positive Peak Negative Peak Select the measurement function This setting is only available when the multichannel mode is set to Off Functions Frequency Unit Hz ΔHz Select the unit type...

Страница 463: ... is only one reference level for each channel Volt FS Set the volts FS reference value Detector RMS Pk Pk Select the AC level detection type Functions DC Voltage Unit FFS V Hex x Select the unit type Format Off Linear Select the reading format of the returned measurement reading Set result as ref from Channels 1 to 2 Store the measurement result from the selected channel as the reference frequency...

Страница 464: ...ntal frequency Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions THD N Level Unit FFS dBFS FS V dB dBV dBr x LSB Hex Dec dBSPL Select the unit type Format Off Logarithmic Linear Select the reading format of the returned measurement reading Set result as ref from Channels 1 to 2 Store the measurement result from the selec...

Страница 465: ...io for each channel Precision On Off Enable or disable the precision mode Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions THD Ratio Unit dB ΔdB x Select the unit type Format Off Linear Delta Select the reading format of the returne...

Страница 466: ...ed measurement reading Set result as ref from Channels 1 to 2 Store the measurement result from the selected channel as the reference frequency Ref Level Set the reference level value There is only one reference level for each channel Volt FS Set the volts FS reference value Even Harmonic ALL 2 4 6 8 Select the even harmonics values Odd Harmonic ALL 3 5 7 9 Select the odd harmonics values Table A ...

Страница 467: ...nels 1 to 2 Store the measurement result from the selected channel as the reference ratio Ref Ratio Set the reference ratio value There is only one reference ratio for each channel Functions Positive peak Unit FFS dBFS FS V dB dBV dBr x LSB Hex Dec dBSPL Select the measurement unit type Format Off Logarithmic Linear Select the reading format of the returned measurement reading Functions Positive p...

Страница 468: ...level for each channel Volt FS Set the volts FS reference value Functions Phase Ref Channel Set the reference channel number Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions X Talk Ref Channel Set the driven channel Unit dB ΔdB x Select the unit type Format Off Linear Delta Select the reading format of the returned meas...

Страница 469: ...to Custom Filters Config Clear Filters Clear all the filter settings LPF None 15 kHz 20 kHz 22 kHz 30 kHz Custom Select the low pass filter HPF None 20 Hz 100 Hz 400 Hz Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k C Message CCITT Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the filter de emphasis value Sample Rate 32 kHz 44 1 kHz 48 kHz 88 2 k...

Страница 470: ...elect the trigger source Trigger Edge Rising Falling This is only available when the trigger source is External or Channel Select the trigger edge type Interface Analog Digital This is only available when the trigger source is Channel Select the trigger interface Channel This is only available when the trigger source is Channel Set the channel number Trigger Level This is only available when the t...

Страница 471: ...nector type 75 Ω HiZ Balanced connector type 110 Ω HiZ Select the input impedance value Freq Scaling MISR Custom Select the frequency scaling type Ref SR This is only available when frequency scaling is Custom Set the reference sample rate value Table A 8 Digital analyzer menu tree description continued Level 1 Level 2 Level 3 Level 4 Description ...

Страница 472: ...data shift count value Data Shift Dir Left Right This is only available when the format is Left or Right Select the data shift direction Word Length 8 to 32 Set the word length value The word length value must be greater than or equal to the audio resolution Resolution 8 to 24 Set the audio resolution value Decoding Linear PCM A Law μ Law Select the decoding format W Bclk Dir In Out Select the wor...

Страница 473: ...ile Refer to Appendix 12 Save Menu Tree on page 493 for the save menu tree Bits Analysis Refresh Rate Set the refresh rate Bit Types Data Active Select the bit type Statistics Show Stats On Off Enable or disable the statistics calculation No of Reading 2 to 20 Set the number of readings used for the statistics calculation Stat 1 Stat2 Stat3 Min Max Average Std Dev ΔMinMax Select the statistics cal...

Страница 474: ...ncy AC Voltage DC Voltage THD N Ratio THD N Level SINAD THD Ratio THD Level SMPTE IMD DFD60268 2nd DFD 60268 3rd DFD 60118 2nd DFD 60118 3rd SNR Fast Select the measurement function This setting is only available when the multichannel mode is set to Off Functions Frequency Unit Hz ΔHz Select the unit type Format Off Delta Select the reading format of the returned measurement reading Set result as ...

Страница 475: ... each channel Cal SPL Set the calibration level value This setting is only available when the unit is set to dBSPL Detector RMS Pk Pk Select the AC level detection type Functions DC Voltage Unit FFS V LSB Hex Dec Select the unit type Format Off Linear Select the reading format of the returned measurement reading Set result as ref from Channels 1 to 2 Store the measurement result from the selected ...

Страница 476: ... fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions THD N Level Unit FFS dBFS FS V dBu dBV dBr x LSB Hex Dec dBSPL Select the unit type Format Off Logarithmic Linear Select the reading format of the returned measurement reading Set result as ref from Channels 1 to 2 Store the measurement result from the selected channel as the reference fr...

Страница 477: ... is only one reference ratio for each channel Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions THD Ratio Unit dB ΔdB x Select the unit type Format Off Linear Delta Select the reading format of the returned measurement reading Set re...

Страница 478: ...x Dec dBSPL Select the unit type Format Off Logarithmic Linear Select the reading format of the returned measurement reading Set result as ref from Channels 1 to 2 Store the measurement result from the selected channel as the reference frequency Ref Level Set the reference level value There is only one reference level for each channel Cal SPL Set the calibration level value This setting is only av...

Страница 479: ...reference ratio for each channel Freq Lock Gen Lock Custom Select the searching method for the upper and lower frequencies Upper Freq Set the upper frequency value This setting is only available when the frequency lock is set to Custom Lower Freq Set the lower frequency value This setting is only available when the frequency lock is set to Custom Functions DFD60268 2nd DFD 60268 3rd DFD 60118 2nd ...

Страница 480: ...ctions Phase Ref Channel Set the reference channel number Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when the frequency lock is set to Custom Functions X Talk Ref Channel Set the driven channel Unit dB ΔdB x Select the unit type Format Off Linear Delta Select the reading forma...

Страница 481: ... C Message CCITT Custom Select the weighting filter Filters Config Deemphasis None 50 μs 75 μs Custom Select the filter de emphasis value Notch Filter State Enable or disable the notch filter Enable Disable Center Freq Set the frequency of the component to be removed from the input signal Bandwidth Set the bandwidth of the signal component to be removed Table A 9 Bluetooth analyzer menu tree descr...

Страница 482: ...sed in the following situations For the result calculation in unit dBg For the frequencies searching algorithm when the frequency lock is set to Gen Lock Trigger Trigger Source Free Run External Channel Select the trigger source Link Config Device Scan Device Search Search for the discoverable Bluetooth devices within range Max Scan 1 to 16 Set the maximum number of Bluetooth devices to be identif...

Страница 483: ...Pause Streaming Select the advanced audio distribution profile operation settings HFP Operation Handsfree Headset Dial Answer Call End Call Reject Call Toggle Audio Button Press Send AT Command Select the HFP Handsfree Headset profile operation settings HFP Operation Audio Gateway Connect Disconnect Call Hang Up Send AT Command Select the HFP Audio Gateway profile operation settings AVRCP Operatio...

Страница 484: ...r Enable or disable the auto pairing function Discoverable Enable or disable the discoverability function of the U8903B s Bluetooth card Connectable Enable or disable the connectability function of the U8903B s Bluetooth card Loopback Enable or disable the integrated interchip sound audio loopback function Link Status Enable or disable the link status of the U8903B s Bluetooth card RF Port RF1 RF2...

Страница 485: ...esh the AVRCP operation log history Wave File Channel Left Right Stereo Select the wave file channel type Bits Sample 8 16 Select the wave file number of bits per sample Duration 1 s to 600 s Set the recording duration of the wave file Record Start recording and save the measurement into a wave file Statistics Show Stats On Off Enable or disable the statistics calculation No of Reading 2 to 20 Set...

Страница 486: ... 5 7 9 Select the odd harmonics values This setting is only available when the graph analysis display option is Harmonics Even ALL 2 4 6 8 Select the even harmonics values This setting is only available when the graph analysis display option is Harmonics Display Harmonics THD Select the harmonics display option This setting is only available when the graph analysis display option is Harmonics THD ...

Страница 487: ...On Left Set the left axis limit value Right Set the right axis limit value Span Set the total X axis span or total range to be monitored in the graph Center Set the X axis center point in the graph Top Set the top axis limit value Bottom Set the bottom axis limit value X Scale Linear Log Select the X axis scale type Y Scale Linear Log Select the Y axis scale type Trace Settings Active Trace 1 to 8...

Страница 488: ...on the active trace Persist Count Set the number of previous sets of trace data to be displayed in the graph before they are removed This setting is only available when persistence is enabled Axis Primary Secondary Attach the active trace to the primary or secondary axis Color Yellow Cyan White Pink Green Orange Red Purple Select the color of the active trace Display Option Graph Data Table Marker...

Страница 489: ...nel to perform the measurement Function No Select the function to be displayed based on the function number 1 to 4 Measurement 2 Interface Select the measurement interface type Channel Select the desired channel to perform the measurement Function No Select the function to be displayed based on the function number 1 to 4 Table A 10 Graph analysis menu tree description continued Level 1 Level 2 Lev...

Страница 490: ...eter is amplitude Start Set the sweep start value This setting is only available when the sweep spacing is Log or Linear Stop Set the sweep stop value This setting is only available when the sweep spacing is Log or Linear Step Set the sweep step value This setting is only available when the sweep spacing is Log or Linear Points Set the sweep points value This setting is only available when the swe...

Страница 491: ...ameter F1 measurement function 1 F2 measurement function 2 F3 measurement function 3 F4 measurement function 4 Select the Y axis trace data source Y2 Data S sweep parameter F1 measurement function 1 F2 measurement function 2 F3 measurement function 3 F4 measurement function 4 Select the second Y axis trace data source X Data S sweep parameter F1 measurement function 1 F2 measurement function 2 F3 ...

Страница 492: ...d sweep point value Add Point Add a sweep point Remove Point Remove the selected sweep point Load Points Load the sweep points from a file Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree Plot View Save Points Save the sweep points to a file Refer to Appendix 12 Save Menu Tree on page 493 for the save menu tree Save Pts Save the sweep points to a file Refer to Appendix 12...

Страница 493: ...to be displayed on the current directory Rename OK Set the file name and select OK to rename the file name Copy or Move Mark Mark the selected file Copy Marked To Folder Copy the marked file to the selected folder Move Marked To Folder Move the marked file to the selected folder Delete Delete the selected file New Folder OK Set the new folder name and select OK to create a new folder ...

Страница 494: ... type to be displayed on the current directory Rename OK Set the file name and select OK to rename the file name Copy or Move Mark Mark the selected file Copy Marked To Folder Copy the marked file to the selected folder Move Marked To Folder Move the marked file to the selected folder Delete Delete the selected file New Folder OK Set the new folder name and select OK to create a new folder ...

Страница 495: ...sage dialog box that can be displayed at the end of a test sequence Press Enter to close the dialog box Pass Message Edit the pass message This setting is only available when Pass Fail Msg is enabled Fail Message Edit the fail message This setting is only available when Pass Fail Msg is enabled Report Clear Clear all the report data Save Save the report to a DOCX file format Refer to Appendix 12 S...

Страница 496: ...ent on page 500 for the list of test measurements Edit Paste Paste a copied measurement after the IO configuration The IO Configuration cannot be moved or copied Settings Output Configuration Analog Channels None External 1 2 Select the number of output channels in use Connector Bal UnBal Com IEC60268 Select the output connector type Impedance For Bal Com and IEC60268 600 Ω 100 Ω 40 Ω For UnBal 60...

Страница 497: ...og Channels Display the number of input channels in use Connector UnBal Bal Loopback Select the input connector type Impedance 100 kΩ for Unbalanced 200 kΩ for Balanced 600 Ω 300 Ω Select the input impedance value This setting is only available when Connector is set to UnBal or Bal Coupling DC AC Select the input coupling type Bandwidth 90 kHz 1 5 MHz Select the input bandwidth value This setting ...

Страница 498: ... Sound Lvl Set the sound level value Calibrator Lvl Set the calibration level value value Volt FS Set the volts FS reference value Properties Name Rename the IO configuration Sub Steps RunIO Configuration Add Sub Step Add sub step to the list Delay Prompt Sent SCPI Edit Move the RunIO Configuration sub step in the list Sub Steps Delay Enable Enable or disable the delay sub step On Off Add Sub Step...

Страница 499: ...age Set the prompt message at the lower half of the main display Prompt Icon Select the prompt icon to be displayed None Hand Question Exclamation Asterisk Dialog Settings Add additional settings to the prompt window Timeout Cancel Button Timeout Set the prompt timeout value in seconds Properties Set the prompt sub step name Sub Steps Send SCPI Enable Enable or disable the send SCPI sub step Add S...

Страница 500: ...me Measurement Enable Enable or disable the selected measurement Add Measurement AC level Frequency Phase SNR THD N DC level Crosstalk SMPTE IMD DFD IMD Multitone analyzer POLQA Stepped frequency sweep SMPTE frequency sweep DFD frequency sweep Stepped level sweep SMPTE level sweep DFD level sweep DC level sweep Receiver Sensitivity Measurement recorder Add measurements Delete Measurement Delete th...

Страница 501: ...ep settings Delay Set the delay time in seconds Properties Rename the delay sub step name Sub Steps Prompt Enable Enable or disable the prompt sub step Add Sub Step Add sub step to the list Delay Prompt Sent SCPI Delete Sub Step Delete the selected sub step Edit Move or copy the selected sub step or paste a copied sub step after the selected sub step Settings Message Set the prompt message at the ...

Страница 502: ...B address SCPI Commands Edit Set the SCPI commands at the lower half of the main display Import Load the SCPI commands from a file Refer to Appendix 13 Recall Menu Tree on page 494 for the recall menu tree Progress Msg Set the optional text message that will be displayed on a dialog box for the time length set in Delay Delay Set the delay time length after the SCPI command s is executed Properties...

Страница 503: ...ut channel Waveform Config Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Frequency Set the frequency value Amplitude Set the amplitude value DC Offset Set the DC offset value Phase 1st Ch Set the phase value This setting is only available when channel 2 is selected AC Level Signal Analysis Detector RMS Pk Pk Select the AC level detector type LPF None 2 kHz 3 kHz 5...

Страница 504: ...the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range AC Level Gain Refer to Bar chart on page 548 for the bar chart menu tree Table A 15 Measurement settings AC Level menu tree description continued Tab Level 1 Level 2 Level 3 Description ...

Страница 505: ...equency value Amplitude Set the amplitude value Waveform Config DC Offset Set the DC offset value Phase 1st Ch Set the phase value This setting is only available when channel 2 is selected Frequency Signal Analysis Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable t...

Страница 506: ...Frequency Set the frequency value Amplitude Set the amplitude value DC Offset Set the DC offset value Phase 1st Ch Set the phase value This setting is only available when channel 2 is selected Phase Signal Analysis Ref Channel Set the reference channel number Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Inpu...

Страница 507: ...alue Phase 1st Ch Set the phase value This setting is only available when channel 2 is selected SNR Signal Analysis SNR Mode Fast Standard Select the SNR measurement mode SNR Delay Set the SNR delay This setting is only available when SNR Mode is set to Standard Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency This setting is only available when SNR Mode is ...

Страница 508: ... pass filter HPF None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k CCITT C Message Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the de emphasis filter Table A 18 Measurement settings SNR menu tree description continued Tab Level 1 Level 2 Level 3 Description ...

Страница 509: ... for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range SNR Refer to Bar chart on page 548 for the bar chart menu tree Table A 18 Measurement settings SNR menu tree description continued Tab Level 1 Level 2 Level 3 Description ...

Страница 510: ...plitude Set the amplitude value Waveform Config DC Offset Set the DC offset value Phase 1st Ch Set the phase value This setting is only available when channel 2 is selected THD N Signal Analysis Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when Freq Lock is set to Custom Harmoni...

Страница 511: ...ze 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range SINAD THD Level THD Ratio THD N Level THD N Ratio Refer to Bar chart on page 548 f...

Страница 512: ... of the first channel Frequency Set the frequency value Amplitude Set the amplitude value DC Offset Set the DC offset value DC Level Signal Analysis Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable ...

Страница 513: ...gnal Analysis Driven Ch Select the driven channel number from the generator Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the fundamental frequency value This setting is only available when Freq Lock is set to Custom Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the me...

Страница 514: ...IMD Signal Analysis Freq Lock Gen Lock Custom Select the searching method for the upper and lower frequencies Upper Freq Set the upper fundamental frequency value This setting is only available when Freq Lock is set to Custom Lower Freq Set the lower fundamental frequency value This setting is only available when Freq Lock is set to Custom Sample Size 2048 4096 8192 16384 32768 65536 131072 262144...

Страница 515: ... the center frequency value Diff Freq Set the difference frequency value Amplitude Set the amplitude value DC Offset Set the DC offset value DFD IMD Signal Analysis DFD order 2nd 3rd Select the distortion order to be measured Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable o...

Страница 516: ...nents Length 1024 2048 4096 8192 16384 32768 65536 Select the waveform length value Apply Apply the multitone after it has been customized Optimize Optimize the multitone Amplitude Dist Zero Set the phase of all tones to 0 degrees Phase Dist Zero Random Select the phase distribution of all tones in degrees Edit Tones Frequency Set the frequency value Amplitude Set the amplitude value Phase Set the...

Страница 517: ...Graph on page 549 for the graph menu tree Max Tone Level Min Tone Level TD N Level TD N Ratio Tone Level Refer to Bar chart on page 548 for the bar chart menu tree Table A 24 Measurement settings Multitone Analyzer menu tree description continued Tab Level 1 Level 2 Level 3 Description ...

Страница 518: ...No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending order Load Points Load points from a file Refer to Appendix 13 Recall Menu Tree on p...

Страница 519: ...3 4 5 6 7 8 9 Select the harmonics counts to be used LPF None 2 kHz 3 kHz 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom Select the low pass filter HPF None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Select the high pass filter Table A 25 Measurement settings Stepped Frequency Sweep menu tree description continued Tab Level 1 Level 2 Level 3 ...

Страница 520: ...384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range AC Level Gain Phase THD Ratio THD Level THD N Ratio THD N Level SINAD Refer to Graph on page 549 for t...

Страница 521: ...et to Linear Dwell Time Set the delay between the sweep points Edit Points Point No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending ord...

Страница 522: ... for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range SMPTE Ratio Refer to Graph on page 549 for the graph menu tree Table A 26 Measurement settings SMPTE Frequency Sweep menu tree description continued Tab Level 1 Level 2 Level 3 Description...

Страница 523: ... Time Set the delay between the sweep points Edit Points Point No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending order Load Points Loa...

Страница 524: ...the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range DFD Ratio Refer to Graph on page 549 for the graph menu tree Table A 27 Measurement settings DFD Frequency Sweep menu tree description continued Tab Lev...

Страница 525: ... command directly or load from a file Sweep Config Start Set the start value for the sweep parameter Stop Set the stop value for the sweep parameter Spacing Select Log Linear or Custom for the sweep spacing Points Set the number of sweep points Step Size Set the step size for linear spacing This setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep poin...

Страница 526: ... in the THD ratio and THD level results LPF None 2 kHz 3 kHz 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom Select the low pass filter HPF None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k CCITT C Message Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the...

Страница 527: ...abled Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range AC Level Gain Phase THD Ratio THD Level THD N Ratio THD N Level SIN...

Страница 528: ...o Linear Dwell Time Set the delay between the sweep points Edit Points Point No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending order L...

Страница 529: ...kHz 3 kHz 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom Select the low pass filter HPF None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k CCITT C Message Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the de emphasis filter Table A 29 Measurement settings...

Страница 530: ...ack 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range AC Level Gain THD Ratio THD Level THD Ratio Vs Measured Amplitude THD Level Vs Measured Amplitude THD N ratio THD N Level THD N Ratio Vs Measured Amplitude THD N Level Vs Measured Amplitude SINAD Refer to Graph on page 549 for the graph menu tree Table A 29 Measurement settings S...

Страница 531: ...o Linear Dwell Time Set the delay between the sweep points Edit Points Point No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending order L...

Страница 532: ...n Freq Lock is set to Custom Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range SMPTE Ratio SMPTE Ratio Vs Measured Amplitud...

Страница 533: ...ell Time Set the delay between the sweep points Edit Points Point No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending order Load Points ...

Страница 534: ...mples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range DFD Ratio DFD Ratio Vs Measured Amplitude Refer to Graph on page 549 for the graph menu tree Table A 31 Measurement settings DFD Level Sweep menu tree description conti...

Страница 535: ... Dwell Time Set the delay between the sweep points Edit Points Point No Set the point number Point Value Set the point value Insert Point Above Insert a point above the selected point Insert Point Below Insert a point below the selected point Remove Point Remove the selected point Clear Clear all points Reverse Order Reverse the order of the points Sort Sort the points in ascending order Load Poin...

Страница 536: ...mphasis filter Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range DC Level Refer to Graph on page 549 for the graph menu tre...

Страница 537: ...viation Set the RF signal frequency modulation deviation This setting is only available if Instrument is set to Keysight E4438C and the Init Instrument is enabled FM Rate Set the RF signal internal frequency modulation rate This setting is only available if Instrument is set to Keysight E4438C and the Init Instrument is enabled Init SCPI Edit Import Set the SCPI commands that initialize the connec...

Страница 538: ...2 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom Select the low pass filter HPF None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k CCITT C Message Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the de emphasis filter Table A 33 Measurement settings Receiver Sensitivity menu tree description ...

Страница 539: ...ov Average Set the number of measurement readings to be used for the average calculation Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the inpu...

Страница 540: ...ectly or load from a file Sweep Config Start Set the start value for the sweep parameter Stop Set the stop value for the sweep parameter Spacing Select Log Linear or Custom for the sweep spacing Points Set the number of sweep points Step Size Set the step size for linear spacing This setting is only available when spacing is set to Linear Dwell Time Set the delay between the sweep points Edit Poin...

Страница 541: ...kHz 3 kHz 5 kHz 8 kHz 10 kHz 15 kHz 20 kHz 22 kHz 30 kHz 40 kHz 50 kHz 80 kHz Custom Select the low pass filter HPF None 15 Hz 20 Hz 22 Hz 30 Hz 50 Hz 70 Hz 100 Hz 200 Hz 300 Hz 400 Hz Custom Select the high pass filter Weighting None A CCIR 1k CCIR 2k CCITT C Message Custom Select the weighting filter Deemphasis None 50 μs 75 μs Custom Select the de emphasis filter Table A 34 Measurement settings...

Страница 542: ...4 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range AC Level Gain THD Ratio THD Level THD Ratio Vs Measured Amplitude THD Level Vs Measured Amplitude THD N ratio THD N Level THD N Ra...

Страница 543: ... channel Frequency Set the frequency value Amplitude Set the amplitude value DC Offset Set the DC offset value Measurement Recorder Signal Analysis Duration Set the length of the measurement record Ref Channel Set the reference channel number Wrap Phase On Off Enable or disable the wrap phase Freq Lock Auto Gen Lock Custom Select the searching method for the fundamental frequency Fund Freq Set the...

Страница 544: ...s 75 μs Custom Select the de emphasis filter Sample Size 2048 4096 8192 16384 32768 65536 131072 262144 524288 1M 2M Select the number of samples to be acquired for the measurement Input Range Auto Range On Off Enable or disable the auto input range Track 1st Ch Enable Disable Enable or disable the tracking of the first channel Voltage Range Set the input voltage range Table A 35 Measurement setti...

Страница 545: ...5 AC Level Gain Phase THD N Ratio THD N Level DC Level Frequency SINAD Refer to Graph on page 549 for the graph menu tree Table A 35 Measurement settings Measurement Recorder menu tree description continued Tab Level 1 Level 2 Level 3 Description ...

Страница 546: ...ayback File Set the playback file to be recorded as the comparison file if Reference File is set to Recorded Set the playback file to be recorded and the Custom File to be used as the comparison file if Reference File is set to Custom Custom File Set the custom file to be used as the comparison file This setting is only available when Reference Source is set to Generator and Reference File is set ...

Страница 547: ...lay Prompt Set the start recording type This setting is only available when Source is set to Analyzer Rec Delay Set the delay time before a recording is performed This setting is only available when Source is set to Analyzer and Rec Step is set to Delay Rec to File Yes No Enable or disable exporting the recording function This setting is only available when Source is set to Analyzer Rec File Set t...

Страница 548: ...ix 12 Save Menu Tree on page 493 for the save menu tree Edit Limits Track 1st Enable Disable Enable or disable the tracking of the first trace Lower limit Enable Disable Enable or disable the lower limit Upper limit Enable Disable Enable or disable the upper limit Lower limit Set the lower limit value Upper limit Set the upper limit value Graph Properties Title Edit the bar chart title X axis Auto...

Страница 549: ...ded Error Select the trace channel number or the trace type POLQA Limit Type Upper Lower Select the limit type Track 1st Enable Disable Enable or disable the tracking of the first trace Limit Enable Disable Enable or disable the limit Points Point No Set the point number X Set the X axis value for the selected point number Y Set the Y axis value for the selected point number Add Point Add a limit ...

Страница 550: ...bled Span Set the X axis span value This setting is only available when the X axis autoscale is disabled Y axis Auto Scale Enable or disable the Y axis autoscale On Off Spacing Select the Y axis spacing type Log Linear Unit Select the Y axis unit type Y axis Top Set the Y axis bottom value This setting is only available when the Y axis autoscale is disabled Bottom Set the Y axis top value This set...

Страница 551: ... setting is only available when the Autoscale is disabled Right Set the X axis right edge value This setting is only available when the Autoscale is disabled Top Set the X axis top edge value This setting is only available when the Autoscale is disabled Bottom Set the Y axis bottom edge value This setting is only available when the Autoscale is disabled Table A 38 Measurement results Graph menu tr...

Страница 552: ...t the HP8903B measurement format type Generator Frequency Set the HP8903B generator frequency value Changing the frequency value will also set the step parameter to frequency Amplitude Set the HP8903B generator amplitude value Changing the amplitude value will also set the step parameter to amplitude Step Param Frequency Amplitude Select the HP8903B generator step parameter type Generator Freq Ste...

Страница 553: ...play Resolution Sweep Resolution maximum 255 points sweep Display Level in Watts Read Display to SCPI GPIB Address SCPI only GPIB Service Request Condition SCPI only Source Output Impedance Instrument powers up at 600 Ω Select the HP8903B special function codes list to be displayed SPCL Set the HP8903B special function code except those indicated as SCPI only and execute the special function Table...

Страница 554: ...f the meaurement function returned values Measurement function Unit Default Frequency Hz ΔHz Hz AC voltage THD N level THD level dBg dBm dBr dBu dBV W V ΔV dBSPL x V DC voltage V ΔV x V THD N ratio SINAD THD ratio SMPTE IMD DFD IEC 60118 2nd order DFD IEC 60118 3rd order DFD IEC 60268 2nd order DFD IEC 60268 3rd order SNR SNR Fast Crosstalk dB ΔdB x dB Phase ...

Страница 555: ...equency Hz ΔHz Hz AC voltage Max peak value Min peak value V dBFS dBr dBu dBV FFS x pctFS LSB Hex Dec FFS DC voltage FFS V LSB Hex Dec x FFS THD N level THD level V dBFS dBr dBu dBV FFS x pctFS LSB Hex Dec dBFS THD N ratio SINAD SMPTE IMD DFD IEC 60118 2nd order DFD IEC 60118 3rd order DFD IEC 60268 2nd order DFD IEC 60268 3rd order Crosstalk channel driven dB ΔdB x dB Phase ...

Страница 556: ...it Default Frequency Hz ΔHz Hz AC voltage V dBFS dBr dBu dBV FFS x pctFS LSB Hex Dec FFS DC voltage FFS V LSB Hex Dec x FFS THD N level THD level V dBFS dBr dBu dBV FFS x pctFS LSB Hex Dec dBFS THD N ratio SINAD SMPTE IMD DFD IEC 60118 2nd order DFD IEC 60118 3rd order DFD IEC 60268 2nd order DFD IEC 60268 3rd order Crosstalk channel driven SNR Fast dB ΔdB x dB Phase ...

Страница 557: ...Watt or dBm the reference impedance setting will be used for the power level calculation The reference impedance refers to the circuitry impedance or load impedance connected to the analyzer when calculating power level Note that in a loopback test with no load impedance the measured voltage value will be twice the expected value as there is no voltage divider present This will return a power meas...

Страница 558: ... Description FFS Fractional of Full Scale FS Percent of Full Scale dBFS Decibels relative to Full Scale LSB Least Significant Bit FS Vrms Ratio between cross domain input and output levels measurements analog input and digital output Vrms FS Ratio between cross domain input and output levels measurements digital input and analog output ...

Страница 559: ... Waveform Config menu page to display the arbitrary waveform information as shown in Figure A 1 Figure A 1 Analog Generator Waveform Config Info menu page arbitrary waveform You may configure the arbitrary file format arb with the parameters as shown below Vpeak 2 DC Offset 0 Points 0 0 2 0 4 The allowable range of values for each arbitrary file parameters are as shown in Table A 45 Table A 45 All...

Страница 560: ...s may cause an error or warning message to appear Unable to load the sample points as the points may not be a valid float Summation of the Vpeak and DC offset exceeds the maximum voltage for the current output connection type Invalid Vpeak and DC offset values Total of sample points less than 32 The arbitrary file does not exist NOTE When the DC offset and amplitude are added together it must not ...

Страница 561: ...ecify the coefficients or sections as well as group delay for the respective filter type Use the following examples to configure the filter file format The file is saved in the juf format Example of an FIR filter file format is as follows Type FIR Delay 250 Coefficients 0 00023394 1 69E 05 1 61E 05 1 57E 05 The coefficients of the FIR filter are described as follows 0 00023394 A 0 1 69E 05 A 1 1 6...

Страница 562: ...26 1 2 1 The coefficients of the IIR filter are described as follows 0 02188812 Section 1 Gain1 1 Section 1 A1 0 1 852219 Section 1 A1 1 0 9397715 Section 1 A1 2 1 Section 1 B1 0 2 Section 1 B1 1 1 Section 1 B1 2 0 02067037 Section 2 Gain2 1 Section 2 A2 0 1 749171 Section 2 A2 1 0 8318526 Section 2 A2 2 1 Section 2 B2 0 2 Section 2 B2 1 1 Section 2 B2 2 where Ax Denominator and Bx Numerator ...

Страница 563: ...ients must not be less than four while the minimum number of sections allowed for IIR is one seven coefficients The delay is specified in the form of samples and within the range of 0 to 65535 NOTE The IIR filter transfer function H z is defined as where z complex variable N number of sections x section number H z Gainx Bx 0 Bx 1 z 1 Bx 2 z 1 Ax 0 Ax 1 z 1 Ax 2 z 1 x 1 N ...

Страница 564: ...ion 1 Master Clk Out Out Master clock out for digital audio 2 GND Digital ground 3 DSI Gen Data Out Out Digital generator DSI data output 4 DSI Gen FS InOut In Out DSI generator DSI frame sync 5 DSI Gen CLK InOut In Out DSI generator DSI bit clock 6 Unused 7 5 0 V 5 0 V supply with over current protection 8 3 3 V 3 3 V supply with over current protection 9 DSI Ana Data In In Digital analyzer DSI d...

Страница 565: ...distribution block diagram is shown in Figure A 3 Figure A 3 Digital system clock distribution block diagram PLL AES Receiver PLL PLL PLL Internal clock Recovered Master Clock Master Clock Frame Sync In DSI Generator Frame Sync Generator Reference Clock Bit Clock Master Clock Sync Clock PLL Phase Locked Loop DSI Generator Bit Clock ...

Страница 566: ...to enable the master clock 2 At the digital generator press DSI Config Sample Rate and set the sample rate 3 At the digital generator press DSI Config Word Length and set the word length The bit clock rate is determined by the multiplication of the sample rate word length and number of channels 4 At the digital generator press DSI Config Multiplier and select the multiplier The master clock rate i...

Страница 567: ...tch between audio generator or audio analyzer mode and press on the FUNCTION panel to switch to digital interface Figure A 5 DSI test configuration 2 1 At the digital analyzer press Input Config Connector and select DSI as the digital analyzer input type 2 At the digital generator press DSI Config Master Clock and select Off to turn off the master clock 3 At the digital analyzer press DSI Config W...

Страница 568: ...nd press on the FUNCTION panel to switch to digital interface Figure A 6 DSI test configuration 3 1 At the digital analyzer press Input Config Connector and select DSI as the digital analyzer input type 2 At the digital generator press DSI Config Master Clock and select Off to turn off the master clock 3 At the digital analyzer press DSI Config W Bclk Dir and select Out as the word and bit clock d...

Страница 569: ...ion 4 1 At the digital analyzer press Input Config Connector and select DSI as the digital analyzer input type 2 At the digital generator press DSI Config Master Clock and select On to turn on the master clock 3 At the digital analyzer press DSI Config W Bclk Dir and select In as the word and bit clock direction 4 At the digital generator press DSI Config Sample Rate and set the sample rate 5 At t...

Страница 570: ...tor or audio analyzer mode and press on the FUNCTION panel to switch to digital interface Figure A 8 DSI test configuration 5 1 Press Input Config Connector and select DSI as the digital analyzer input type 2 At the digital generator press DSI Config Master Clock and select On to turn on the master clock 3 Press DSI Config W Bclk Dir and select Out as the word and bit clock direction U8903B DUT Pi...

Страница 571: ...to the digital analyzer unbalanced input channel in the rear panel using a BNC cable 2 Press on the FUNCTION panel to switch to audio generator mode and press on the FUNCTION panel to switch to digital interface 3 Press Waveform and select Sine as the waveform type 4 Press Output Config Connector and select Unbalanced as the digital generator output type 5 Press Output Config AES Output and enable...

Страница 572: ...er input type 4 Press Functions Function No and select 1 5 Press Functions Function 1 and select Frequency as the first measurement function 6 Press Functions Function No and select 2 7 Press Functions Function 2 and select AC Voltage as the second measurement function 8 Press to start the signal measurement on the digital analyzer channel 1 You should now obtain an AC voltage reading of 1 FFS for...

Страница 573: ...P AG AVRCP TRGT 5 Press Link Config Device Scan and select Device Search to scan for all discoverable Bluetooth device 6 Press Link Config Device Action and select the Bluetooth device to be paired Press Pair Device to begin the pairing procedure 7 Press Link Config Device Action and select Profile Connection as Connect A2DP to connect using the A2DP profile 8 Press Link Config Device Action and s...

Страница 574: ...A Appendixes 574 Keysight U8903B User s Guide Figure A 11 Bluetooth generator sine waveform generation ...

Страница 575: ...ect Multitone as the waveform type 4 Press Output Config Connector and select Unbalanced as the analog generator output type 5 Press Waveform Config Amplitude and set the amplitude to 1 Vrms 6 Press Waveform Config Start Freq and set the start frequency to 937 5 Hz 7 Press Waveform Config Stop Freq and set the stop frequency to 5 0625 kHz 8 Press to start the signal generation on the analog genera...

Страница 576: ...in the U8903B graph perform the following steps 1 Press on the FUNCTION panel to access the graph analysis mode 2 Press to enable the graph analysis mode 3 Use the function to select and measure the two tone spectrum amplitude 4 An example of the U8903B graph display is shown as follows Figure A 13 Graph analysis for multitone spectrum ...

Страница 577: ...analyzer For example you can press Waveform Config to set the amplitude and press Tones Config to set the start and stop frequency 4 The multitone measurement results can be displayed in a graph Spectrum Waveform Level and Gain and in a bar chart Max Tone Level Min Tone Level TD N Level TD N Ratio and Tone Level Refer to Multitone analyzer on page 343 for more information 5 Press and select Start ...

Страница 578: ...8903B User s Guide 7 Select the Report tab to view the test sequence results in the U8903B display You can also save the result file as a docx file type by pressing Save Figure A 15 Test Sequence App report for multitone analyzer ...

Страница 579: ...type as Master clock 5 Press Output Config Ref Clock Word Length and set the Master clock word length to 24 1 2 6 Press Output Config Ref Clock Multiplier and set the Master clock multiplier to 192 3 1 Sampling rate constrains the master clock in word length values Refer to Appendix 25 Word Length Sampling Rate and Multiplier for Master Clock In on page 589 for the range of word length that can be...

Страница 580: ...ress DSI Config Word Length and set the DSI word length to 24 1 2 5 Press DSI Config Multiplier and set the DSI multiplier to 192 3 1 Sampling rate constrains the DSI word length values Refer to Appendix 24 Word Length Sampling Rate and Multiplier for DSI on page 583 for the range of word length that can be set with different sampling rate 2 When setting the word length the error message 221 Setti...

Страница 581: ...el 2 are the same Channel 1 and Channel 2 can be different Channel 1 and Channel 2 are the same Dual Frequency 1 Frequency 2 Amplitude Ratio DC Offset Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same SMPTE IMD 1 1 4 1 10 1 Lower Frequency Upper Frequency Amplitude...

Страница 582: ... Channel 2 are the same Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same Channel 1 and Channel 2 can be different Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same Channel 1 and Channel 2 are the same Arbitrary Amplitude DC Offset Channel 1 and Channel 2 can be different Channel 1 and Channel 2 are the same Table A 47 Relationship between digital wa...

Страница 583: ... 400 10 80 160 400 11 88 176 400 12 96 192 400 13 104 208 400 14 112 224 400 15 120 240 400 16 64 128 400 17 68 136 400 18 72 144 400 19 76 152 400 20 80 160 400 21 84 168 400 22 88 176 400 23 92 184 400 24 96 192 400 25 100 200 400 26 104 208 400 27 108 216 400 28 112 224 400 29 116 232 400 30 120 240 400 31 124 248 400 32 128 200 8 128 256 200 9 72 144 288 200 10 80 160 320 200 11 88 176 352 200...

Страница 584: ...0 28 112 224 448 200 29 116 232 464 200 30 120 240 480 200 31 124 248 496 200 32 128 256 100 8 128 256 512 100 9 72 144 288 576 100 10 80 160 320 640 100 11 88 176 352 704 100 12 96 192 384 768 100 13 104 208 416 832 100 14 112 224 448 896 100 15 120 240 480 960 100 16 64 128 256 512 100 17 68 136 272 544 100 18 72 144 288 576 100 19 76 152 304 608 100 20 80 160 320 640 100 21 84 168 336 672 Table...

Страница 585: ... 10 80 160 320 640 50 11 88 176 352 704 50 12 96 192 384 768 50 13 104 208 416 832 50 14 112 224 448 896 50 15 120 240 480 960 50 16 64 128 256 512 50 17 68 136 272 544 50 18 72 144 288 576 50 19 76 152 304 608 50 20 80 160 320 640 50 21 84 168 336 672 50 22 88 176 352 704 50 23 92 184 368 736 50 24 96 192 384 768 50 25 100 200 400 800 50 26 104 208 416 832 50 27 108 216 432 864 50 28 112 224 448 ...

Страница 586: ... 288 576 25 19 76 152 304 608 25 20 80 160 320 640 25 21 84 168 336 672 25 22 88 176 352 704 25 23 92 184 368 736 25 24 96 192 384 768 25 25 100 200 400 800 25 26 104 208 416 832 25 27 108 216 432 864 25 28 112 224 448 896 25 29 116 232 464 928 25 30 120 240 480 960 25 31 124 248 496 992 25 32 128 256 512 1024 12 5 8 128 256 512 1024 12 5 9 72 144 288 576 12 5 10 80 160 320 640 12 5 11 88 176 352 ...

Страница 587: ...04 208 416 832 12 5 27 108 216 432 864 12 5 28 112 224 448 896 12 5 29 116 232 464 928 12 5 30 120 240 480 960 12 5 31 124 248 496 992 12 5 32 128 256 512 1024 6 75 8 128 256 512 1024 6 75 9 72 144 288 576 6 75 10 80 160 320 640 6 75 11 88 176 352 704 6 75 12 96 192 384 768 6 75 13 104 208 416 832 6 75 14 112 224 448 896 6 75 15 120 240 480 960 6 75 16 128 256 512 6 75 17 136 272 544 6 75 18 144 2...

Страница 588: ...75 25 200 400 800 6 75 26 208 416 832 6 75 27 216 432 864 6 75 28 224 448 896 6 75 29 116 232 464 928 6 75 30 120 240 480 960 6 75 31 124 248 496 992 6 75 32 128 256 512 1024 a For sampling rate less than or equal to Table A 48 Word Length Sampling Rate and Multiplier for DSI continued Sampling rate kHz a Word length Multiplier ...

Страница 589: ...ng rate kHz a Word length Multiplier 400 8 64 128 400 9 72 144 400 10 80 160 400 11 88 400 12 96 400 13 104 400 14 112 400 15 120 400 16 64 128 400 17 68 136 400 18 72 144 400 19 76 400 20 80 400 21 84 400 22 88 400 23 92 400 24 96 192 400 25 100 400 26 104 400 27 108 400 28 112 400 29 116 400 30 120 400 31 124 400 32 128 200 8 64 128 256 200 9 72 144 288 200 10 80 160 200 11 88 176 200 12 96 192 ...

Страница 590: ...27 108 216 200 28 112 224 200 29 116 232 200 30 120 240 200 31 124 248 200 32 128 256 100 8 64 128 256 512 100 9 72 144 288 576 100 10 80 160 320 100 11 88 176 352 100 12 96 192 384 100 13 104 208 416 100 14 112 224 448 100 15 120 240 480 100 16 64 128 256 512 100 17 68 136 272 544 100 18 72 144 288 576 100 19 76 152 304 100 20 80 160 320 Table A 49 Word Length Sampling Rate and Multiplier for Mas...

Страница 591: ...160 320 640 50 11 88 176 352 704 50 12 95 192 384 768 50 13 104 208 416 832 50 14 112 224 448 896 50 15 120 240 480 960 50 16 64 128 256 512 50 17 68 136 272 544 50 18 72 144 288 576 50 19 76 152 304 608 50 20 80 160 320 640 50 21 84 168 336 672 50 22 88 176 352 704 50 23 92 184 368 736 50 24 96 192 384 768 50 25 100 200 400 800 50 26 104 208 416 832 50 27 108 216 432 864 50 28 112 224 448 896 Tab...

Страница 592: ... 25 17 136 272 544 25 18 72 144 288 576 25 19 152 304 608 25 20 80 160 320 640 25 21 168 336 672 25 22 88 176 352 704 25 23 184 368 736 25 24 96 192 384 768 25 25 200 400 800 25 26 104 208 416 832 25 27 216 432 864 25 28 112 224 448 896 25 29 232 464 928 25 30 120 240 480 960 25 31 248 496 992 25 32 128 256 512 12 5 8 64 128 256 512 12 5 9 144 288 576 12 5 10 80 160 320 640 12 5 11 176 352 704 Tab...

Страница 593: ... 192 384 768 12 5 25 400 800 12 5 26 208 416 832 12 5 27 432 864 12 5 28 224 448 896 12 5 29 464 928 12 5 30 240 480 960 12 5 31 496 992 12 5 32 128 256 512 6 75 8 64 128 256 512 6 75 9 288 576 6 75 10 160 320 640 6 75 11 352 704 6 75 12 192 384 768 6 75 13 416 832 6 75 14 224 448 896 6 75 15 480 960 6 75 16 64 128 256 512 6 75 17 544 6 75 18 288 576 6 75 19 608 Table A 49 Word Length Sampling Rat...

Страница 594: ...36 6 75 24 384 768 6 75 25 800 6 75 26 416 832 6 75 27 864 6 75 28 448 896 6 75 29 928 6 75 30 480 960 6 75 31 992 6 75 32 128 256 512 a For sampling rate less than or equal to Table A 49 Word Length Sampling Rate and Multiplier for Master Clock In continued Sampling rate kHz a Word length Multiplier ...

Страница 595: ...ency 1 kHz DC Offset 0 V Phase 1 0 Frequency 2 2 kHz Ratio 100 Lower Feq 60 Hz Upper Freq SMPTE 1 1 4 1 10 1 7 kHz Upper Freq IEC 60118 10 kHz Diff Freq 80 Hz Center Freq 10 kHz Voltage 0 V Start Freq 1001 35803222656 Stop Freq 4997 25341796875 Freq Spacing Linear Tones 2 Length 1024 Dial DTMF Mode Single Amplitude DTMF 4 5 dBu Ratio DTMF 2 dB Tone Duration DTMF 90 ms Tone Delay DTMF 90 ms Pause T...

Страница 596: ...log analyzer default settings Level 1 Level 2 Level 3 Default Functions Multi Chn Mode Off Function No 1 Meas Func Function 1 AC Voltage Meas Func Function 2 Frequency Meas Func Function 3 None Meas Func Function 4 None Functions Frequency Unit Hz Format Off Functions AC Voltage Unit V Format Off Detector RMS Functions DC Voltage Unit V Format Off Functions THD N Ratio SINAD Unit dB Format Off Fre...

Страница 597: ...nd Freq 1000 Functions DFD60268 2nd DFD 60268 3rd DFD 60118 2nd DFD 60118 3rd Unit dB Format Off Functions SMPTE IMD Unit dB Format Off Freq Lock Gen Lock Upper Freq 60 Lower Freq 7000 Functions SNR Unit dB Format Off SNR Delay 0 ms Functions SNR Fast Unit dB Format Off Freq Lock Auto Fund Freq 1000 Harmonics 5 Functions Phase Ref Channel 1 Freq Lock Auto Fund Freq 1000 Table A 51 Analog analyzer ...

Страница 598: ... Hz Meas Config Auto Range On Range 1 V Sample Size 32768 Mov Average 1 Src Channel 1 Trigger Source Free Run Trigger Edge Rising Input Config Connector UnBal Impedance 100 kΩ Unbal 200 kΩ Bal Coupling AC Bandwidth 90 kHz Ext Gain 0 dB Wave File Channel Left Bits Sample 8 Duration 10 s Statistics Show Stats Off No of Reading 10 Stat 1 Min Stat 2 Max Stat 3 Average Table A 51 Analog analyzer defaul...

Страница 599: ...cy Points Settings Spacing Log Unit Hz Start 20 Stop 2000 Step 1 268961003 Points 30 Points Settings Parameter Amplitude Spacing Linear Unit Vrms Start 0 1 Stop 1 Step 0 031034483 Points 30 Points Settings Parameter Phase Spacing Linear Unit Start 0 Stop 90 Step 3 103448276 Points 30 Dwell Time 0 Sweep Mode Continuous Channels Source 1 Measure 1 ...

Страница 600: ...el LP Filter 80 kHz HP W Filter None Ratio Off Format Lin Generator Frequency 1 kHz Amplitude 0 V Step Param Frequency Freq Step 1 kHz Amp Step 100 mVrms Sweep Freq Start 20 Hz Freq Stop 20 kHz Table A 54 System default settings Key Level 1 Level 2 Default System HP8903B Config Active Channel 1 Left Filter None Right Filter None Default LPF 80 kHz ...

Страница 601: ...le will be copied to the specified folder Press the Return softkey when done 7 If the file name to be copied already exists in the destination folder the copied file name will be renamed to Copy of file name Moving a file 1 In the file view navigate to the folder that contains the file to to move 2 Press the Copy or Move softkey 3 Press the Mark softkey to mark the file or multiple files to move 4...

Страница 602: ...ds and Bluetooth card 4 Analog cards Digital card and Bluetooth card Table A 56 Maximum wave file recording duration for the POLQA narrowband and super wideband analysis Option Configuration Narrowband analysis Super wideband analysis Maximum wave file recording duration for 8 kHz sample rate Maximum wave file recording duration for 16 kHz sample rate Maximum wave file recording duration for 48 kH...

Страница 603: ...ge you should select the lowest range with its upper limit exceeding the expected maximum input signal Auto ranging The auto ranging mode automatically selects an appropriate range for each measurement Auto ranging determines the correct range to use according to the signal level to achieve the optimum measurement accuracy for the input signal Auto ranging is suitable for measuring stable signals ...

Страница 604: ...ng manual ranging for continuous sweep and frequency response measurements For continuous sweep and frequency response measurements manual ranging is a better option as it ensures signals across all frequency ranges are measured within the same range ...

Страница 605: ...t to change without notice Always refer to the English version at the Keysight Web site for the latest revision Keysight Technologies 2014 2017 Edition 4 March 3 2017 Printed in Malaysia U8903 90045 U8903 90045 www keysight com ...

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