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147

Keysight Technologies
N9030B PXA Signal Analyzer

Service Guide

RF Section Troubleshooting

(RF/Microwave Analyzers)

What You Will Find in This Chapter

The following information is found in this chapter:

Theory of operation of the RF section.

Isolating the cause of an hardware problem by verifying the functionality

of assemblies in the RF section signal path.

The following sections are found in this chapter:

RF Section Description on page 148
Quick Check to Verify the Low Band Signal Path on page 154
Troubleshooting a Low Band Problem on page 157
Quick Check to Verify High Band RF Path on page 163
Troubleshooting a High Band Problem on page 167

Each section describes how the assembly works and gives information to

help you troubleshoot the assembly. Each description covers the purpose

of the assembly, describes the main components, and lists external

connections to the assembly.

Summary of Contents for N9030B

Page 1: ... 8 4 GHz N9030B Option 513 3 Hz 13 6 GHz N9030B Option 526 3 Hz 26 5 GHz N9030B Option 544 3 Hz 44 GHz N9030B Option 550 3 Hz 50 GHz Notice This document contains references to Agilent Please note that Agilent s Test and Measurement business has become Keysight Technologies For more information go to www keysight com ...

Page 2: ...vided to the public Accordingly Keysight provides the Software to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find swe ula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Software...

Page 3: ...es by email subscribe to Keysight Email Updates at the following URL http www keysight com find MyKeysight Information on preventing analyzer damage can be found at www keysight com find PreventingInstrumentRepair Is your product software up to date Periodically Keysight releases software updates to fix known defects and incorporate product enhancements To search for software updates for your prod...

Page 4: ...4 ...

Page 5: ...ooting 23 Lithium Battery Disposal 24 ESD Information 25 Protection from Electrostatic Discharge 25 Handling of Electronic Components and ESD 26 Test Equipment Usage and ESD 26 For Additional Information about ESD 26 Instrument Maintenance 27 Cleaning the Instrument 27 Cleaning Connectors 27 Battery Information 28 Service Equipment You Will Need 29 Tools you will need 29 Calibration Application So...

Page 6: ...nitializations Did Not Complete 72 Fails an Initial Alignment 73 Signal Level Verification 81 Signal Level Problem with Input Frequencies 3 6 GHz 81 Signal Level Problem with Input Frequencies 3 6 GHz 82 3 Instrument Messages Introduction 83 Event and Condition Categories 84 Event Message Format 85 Event Queues 86 Advisory Messages 88 Event Messages 94 800 Operation Complete Event 95 700 Request C...

Page 7: ...n Troubleshooting Millimeter Wave Analyzers What You Will Find in This Chapter 173 RF Section Description 174 A9 Input Attenuator A 176 A10 Input Attenuator B 177 A11 Low Band Switch 177 A12 YTF Preselector 177 A20 YTO Assembly 177 A13 RF Front End Assembly Options 544 550 178 Troubleshooting 180 Quick Check to Verify the Low Band Signal Path 180 Troubleshooting a Low Band Problem 183 Quick Check ...

Page 8: ...ing What You Will Find in This Chapter 249 A14 LO Synthesizer Assembly Description 250 Purpose 250 A14 LO Synthesizer Theory of Operation 251 Single Loop Operation 251 Dual Loop Operation 251 Manual Selection of Single versus Dual Loop Operation 252 Brief Description of the Major Blocks 253 A14 LO Synthesizer and A20 YTO Troubleshooting 254 Verifying the 4800 MHz 1st LO Reference Power and Frequen...

Page 9: ...ctions 308 A7 Midplane Board Assembly Troubleshooting 310 Instrument Power Supply LEDs and Test Points 310 Additional Power Supply Regulation 310 Instrument Secure Storage 310 Power Supply Dithering 310 11 Front Panel Motherboard Troubleshooting What You Will Find in This Chapter 315 A8 Motherboard Description 316 Purpose 316 A8 Motherboard Troubleshooting 318 A1 Front Panel Assembly 319 A1A2 Fron...

Page 10: ...7 LED Board 338 A18 BBIQ Interface Board 338 A19 BBIQ Main Board 339 Option RTS Streaming 340 Description 340 Signal Analyzer Hardware Requirements 340 Software Requirements 340 Functionality Check 341 13 Block Diagrams What You Will Find in This Chapter 343 Block Diagrams 344 Analog IF Block Diagram 356 Digital IF Block Diagram 357 PXA Computer Block Diagram 358 14 Service and Diagnostics Menus O...

Page 11: ...438 Attenuators 440 Low Band Switch 443 YTF Preselector 446 YTO 449 Options MPB and LNP 451 RF Area Options 544 550 473 Attenuators 475 Low Band Switch 478 YTF Preselector 482 YTO 485 Options MPB and LNP 487 RF Front End Assembly 495 Removal 495 Replacement 497 Front End Control Assembly 498 Removal 498 Replacement 499 LO Synthesizer Assembly 500 Removal 500 Replacement 501 Reference Assembly 502 ...

Page 12: ...nt 527 Motherboard Assembly 528 Removal 528 Replacement 531 Fan Assembly 533 Removal 533 Replacement 536 Input Connector Assembly 537 Removal 537 Replacement 537 Front Frame Assembly 539 Removal 539 Replacement 540 Front Frame Assembly Components 541 17 Post Repair Procedures What You Will Find in This Chapter 551 Before Starting 551 Post Repair Procedures 552 Additional Tasks 557 18 Functional Te...

Page 13: ...requency Response Flatness 589 Procedure 590 Frequency Response Flatness Preamp On 593 Procedure 594 Scale Fidelity 598 Procedure 599 BBIQ Input Frequency Response Option BBA only 602 Procedure 604 19 Instrument Software What You Will Find in This Chapter 609 Instrument Software Overview 610 Software Licensing 610 Software Updates 611 Instrument Measurement Application Software 611 89600 VSA Softw...

Page 14: ...14 N9030B PXA Signal Analyzer Service Guide Contents ...

Page 15: ...following sections are found in this chapter Keysight PXA Signal Analyzer Overview on page 16 Instrument Option Descriptions on page 17 Before You Start Troubleshooting on page 23 ESD Information on page 25 Service Equipment You Will Need on page 29 Required Test Equipment List on page 32 Contacting Keysight Technologies on page 45 How to Return Your Instrument for Service on page 49 ...

Page 16: ... a comprehensive analytical tool to test communications systems and components If customer requirements should change or expand post sale upgrades can be purchased at any time Most measurement application upgrades require a license key which is obtained using the Keysight Software Licensing service If the email delivery option is ordered the entitlement certificate will be emailed to the customer ...

Page 17: ...s are standard so they are automatically installed on all PXA analyzers All options require license files to be present in instrument memory before the option can be used or viewed on the Show System screen From the front panel press System Show System to view a list of all installed options A current list of all instrument options and retrofit requirements is available on the Keysight web site fo...

Page 18: ...35 APC 3 5 mm Connector With Option 526 only EA3 Electronic Attenuator EDP Enhanced Display Package Spectrogram Trace Zoom EMC Software only Provides EMI detectors and BWs EP1 Enhanced Phase Noise Performance Included on all units EXM External Mixing FSA Fine Step Attenuator Included on all units FS1 Fast Sweep Improves sweep speed in swept tuned mode LFE Low Frequency Enabled allows frequency ran...

Page 19: ...ion Descriptions P26 Preamp 100 kHz to 26 5 GHz P44 Preamplifier 44 GHz With Option 544 only P55 Preamplifier 50 GHz With Option 550 only RT1 or RT2 Real Time Analysis Requires option B1X or B85 YAV Screen Video rear panel Analog Out connector Option Description Notes ...

Page 20: ... web at http www keysight com manuals N9030B Each manual is described below Getting Started and Troubleshooting Guide Describes analyzer features in detail In addition this manual covers unpacking and setting up the analyzer analyzer features and information on options and accessories and what to do if you have a problem Specifications Guide Documents specifications safety and regulatory informati...

Page 21: ... of dc to 2 GHz 75 Ohm Matching Transformer The Keysight 11694A allows you to make measurements in 75 Ohm systems using an analyzer with a 50 Ohm input It is effective over a frequency range of 3 to 500 MHz AC Probe The Keysight 85024A high frequency probe performs in circuit measurements without adversely loading the circuit under test The probe has an input capacitance of 0 7 pF shunted by 1 MΩ ...

Page 22: ... of dc to 1800 MHz and begins reflecting signal levels over 1 mW up to 10 W average power and 100 watts peak power The N9355C microwave limiter 0 01 to 26 5 GHz guards against input signals over 10 milliwatts up to 1 watt average power The Keysight 11947A Transient Limiter protects the analyzer input circuits from damage due to signal transients It specifically is needed for use with a line impeda...

Page 23: ...e power cord is connected to internal capacitors that may remain live for 5 seconds after disconnecting the plug from it s power supply The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch disconnecting device Always posit...

Page 24: ...country s requirements The Keysight part number is 1819 1069 The manufacturer s part number is CR2032 You can return the battery to your nearest Keysight Technologies Sales and Service office for disposal if required Refer to Contacting Keysight Technologies on page 45 for a list of Keysight Technologies Sales and Service offices Always use the three prong ac power cord supplied with this product ...

Page 25: ...Conductive table mat and wrist strap combination o Conductive floor mat and heel strap combination Both types when used together provide a significant level of ESD protection Of the two only the table mat and wrist strap combination provides adequate ESD protection when used alone To ensure user safety the static safe accessories must provide at least 1 megohm of isolation from ground Figure 1 1 E...

Page 26: ...nalyzer connector momentarily short the center and outer conductors of the cable together Personnel should be grounded with a 1 megohm resistor isolated wrist strap before touching the center pin of any connector and before removing any assembly from the analyzer Be sure that all analyzers are properly earth grounded to prevent build up of static charge For Additional Information about ESD For mor...

Page 27: ...o clean the external case parts Do not attempt to clean internally Keep isopropyl alcohol away from heat sparks and flame Store in a tightly closed container It is extremely flammable In case of fire use alcohol foam dry chemical or carbon dioxide water may be ineffective Use isopropyl alcohol with adequate ventilation and avoid contact with eyes skin and clothing It causes skin irritation may cau...

Page 28: ...aceable part See How to Return Your Instrument for Service on page 49 Replaceable parts must be approved or supplied by Keysight Technologies Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended Discard used batteries according to the manufacturer s instructions Do not throw batteries away but collect as small chemical waste ...

Page 29: ...ed Figure 1 2 TORX Tool Calibration Application Software Information regarding the Keysight X Series Signal Analyzer Calibration Application Software can be found at the following web site www keysight com find calibrationsoftware Description Keysight Part Number TORX Hand Driver Size T 8 8710 1614 TORX Hand Driver Size T 10 8710 1623 TORX Hand Driver Size T 20 8710 1615 9 16 inch nut driver 8720 ...

Page 30: ... End Troubleshooting kit is purchased The Front End Troubleshooting kit lower level items can be purchased individually or as a complete kit with instructions The complete listing of kit components descriptions and part numbers can be found below Keysight Part Keysight Part Number Notes Front End Troubleshooting kit N9020 60005 Front End Troubleshooting board E4410 60115 Part of N9020 60005 Troubl...

Page 31: ...bleshooting tasks as well as updating the instrument software Any standard USB keyboard and mouse should work USB Storage Device The main reason why a USB storage device will be needed is to download instrument software and backup calibration data when the hard drive in an instrument needs to be replaced The instrument software is about 1 GB The calibration files are around 30 megabytes ...

Page 32: ...l is an acceptable substitute Table 1 1 Required Test Equipment Instrument Critical Specifications Recommended Keysight Model Numbera or Vendor Model Number Alternative KeysightModel Numbera Useb Signal Sources Microwave Signal Generator 1 Frequency 10 MHz to 50 GHz Frequency Resolution 1 Hz Harmonic level 30 dBc Amplitude range 40 dBm to 13 dBm Amplitude resolution 0 02 VSWR 20 GHz 1 6 1 31 GHz 1...

Page 33: ...equency 300 kHz to 3 6 GHz Frequency Resolution 1 Hz Harmonic level 40 dBc Amplitude range 20 dBm to 13 dBm Amplitude resolution 0 02 Harmonic level 2 GHz 30 dBc 2 GHz 26 5 GHz 50 dBc VSWR 20 GHz 1 6 1 31 GHz 1 8 1 For Option UNR or UNX Harmonics 30 dBc 13 dBm Spectral Purity SSB Phase Noise 1 GHz 112 dBc at 100 Hz offset 121 dBc at 1 kHz offset 131 dBc at 10 kHz offset VSWR 1 5 1 E8257D Options U...

Page 34: ...ual Channel Instrumentation Accuracy 0 5 Power Reference Accuracy 0 6 Compatible with 8480 series power sensors dB relative mode N1914A E4419A B N1912A A P RF Power Sensor 2 required Frequency Range 100 kHz to 3 6 GHz Amplitude Range 30 to 20 dBm Zero Set 50 mW Zero Drift 10 nW Measurement Noise 110 nW VSWR 100 kHz to 1 MHz 1 20 1 1 MHz to 2 GHz 1 10 1 2 GHz to 3 GHz 1 30 1 Cal Factor Uncertainty ...

Page 35: ...certainty 4 5 VSWR 50 MHz to 100 MHz 1 15 1 100 MHz to 2 GHz 1 10 1 2 GHz to 12 4 GHz 1 15 1 12 4 GHz to 18 GHz 1 20 1 18 GHz to 26 5 GHz 1 25 1 26 5 GHz to 40 GHz 1 30 1 40 GHz to 50 GHz 1 50 1 Input Connector 2 4 mm coaxial m N8487A 8487A A P High Sensitivity Millimeter Power Sensor for Options 526 Frequency Range 50 MHz to 50 GHz Amplitude Range 70 to 20 dBm Zero Set 20 pW Zero Drift 4 pW Measu...

Page 36: ...ibrator Frequency Drift 2 5 kHz Typical VSWR 1 06 1 Output Power Variation 004 dB Total Harmonic Content 45 dBc Z5602A or B Opt H51 for Type N models Opt H35 for 3 5 mm models Opt H24 for 2 4 models A Attenuators 10 dB Step Attenuator Range 0 to 80 dB Accuracy Characterized by standards labh VSWR at 50 MHz 1 05 1 8496G Option 001 H50 8496H Option 001 H50 P 1 dB Step Attenuator Range 0 to 9 dB Accu...

Page 37: ... Fixed Attenuator Frequency 50 MHz to 19 5 GHz Loss 10 dB nominal VSWR at 321 4 MHz to 8 GHz 1 1 1 8 GHz to 12 4 GHz 1 15 1 12 4 GHz to 19 5 GHz 1 25 1 Connector 3 5 mm m f 8493C Option 010 A P 20 dB Fixed Attenuator Frequency 10 MHz Loss 20 dB nominal VSWR 10 MHz 1 20 1 Connector Type N m f 8491A Option 020 8491B Option 020 A P 30 dB Fixed Attenuator Frequency 50 MHz Loss 30 dB 0 05 dB VSWR at 50...

Page 38: ...667C P Directional Bridge Frequency Range 50 MHz to 3 GHz Directivity 50 MHz to 2 GHz 40 dB 2 GHz to 3 GHz 30 dB VSWR 2 GHz 1 15 1 3 GHz 1 22 1 Insertion Loss 1 5 0 1 dB GHz nominal Coupling nominal 16 dB Connector Type N f 86205A P Directional Coupler Frequency 2 GHz to 20 GHz Directivity 16 dB Transmission arm loss 1 5 dB nominal Coupled Arm Loss 10 dB nominal VSWR 1 35 1 Connector SMA f 87300B ...

Page 39: ...C A P T BNC 3 required Frequency DC to 10 MHz 50 Ω Coax BNC m both ends 120 cm 48 in 10503A A P T Filters 50 MHz Low Pass Cutoff Frequency 50 MHz Rejection at 65 MHz 40 dB Rejection at 75 MHz 60 dB Insertion Loss 1 dB VSWR 1 5 1 BNC m to BNC f Telonic Berkeley TLA 50 5AB2 0955 0306 P T 300 MHz Low Pass 2 Required Cutoff Frequency 300 MHz Rejection at 435 MHz 45 dB VSWR 1 5 1 BNC m f Telonic Berkel...

Page 40: ...GHz VSWR 1 13 1 1250 1472 P Type N m to Type N m Frequency DC to 18 GHz VSWR 1 13 1 1250 1475 P Type N f to BNC m Frequency DC to 1 3 GHz VSWR 1 13 1 1250 1477 P T Type N m to BNC m Frequency DC to 1 3 GHz VSWR 1 13 1 1250 1473 P T Type N m to BNC f Frequency DC to 1 3 GHz VSWR 1 13 1 1250 1476 P Type N m to 3 5 mm m Frequency DC to 18 GHz VSWR 1 08 1 1250 1743 Type N m to 3 5 mm f 2 Required Freq...

Page 41: ...ual Banana 1251 2277 A P 3 5 mm f to Type N m Shipped with the 8485A for adapting to the Power Reference Only to be used for power sensor calibration 08485 60005 A P 2 4 mm f to Type N m Shipped with the 8487A for adapting to the Power Reference Only to be used for power sensor calibration 08487 60001 A P Type N Tee 1250 0559 P a Keysight or Hewlett Packard model numbers unless otherwise noted b A...

Page 42: ...anslate to wider test margins f When ordering a new STD or CFT Power Sensor from Keysight to be used with the N7800A series applications order with Option 1A7 The 1A7 option provides an ISO17025 calibration and includes calibration data When re calibrating your STD or CFT Power Sensor for use with the N7800A series applications we recommend the Keysight ISO17025 calibration g When ordering a new S...

Page 43: ...0 005 3 On On Off Off 0 005 4 Off Off Ona Off 0 005 5 On Off On Off 0 005 6 Off On On Off 0 005 7 On On On Off 0 005 8 Off Off On On 0 005 9 On Off On On 0 005 a TME requires that Section 3 be characterized Table 1 3 10 dB Step Attenuator Nominal Attenuation dB Attenuator Section RecommendedUncertainty dB 1 10 dB 2 20 dB 3 40 dB 4 40 dB 0 Off Off Off Off 0 Reference 10 On Off Off Off 0 010 20 Off ...

Page 44: ...ation tests These tests are done using the N7814A Keysight X Series Signal Analyzer Calibration Application Software Refer to Chapter 17 Post Repair Procedures for a list of post repair adjustments and performance tests based on which hardware has been changed Information regarding the N7814A Keysight X Series Signal Analyzer Calibration Application Software can be found at http www keysight com f...

Page 45: ...com support N9010B FAQs instrument software updates documentation and other support information can be accessed from this site To obtain servicing information or to order replacement parts contact the nearest Keysight office listed in Table 1 4 In any correspondence or telephone conversations refer to the instrument by its model number N9030B and full serial number ex MY49250887 With this informat...

Page 46: ...tates 1 800 829 4444 Asia Pacific Country Phone Number Australia 1 800 629 485 China 800 810 0189 Hong Kong 800 938 693 India 1 800 112 929 Japan 0120 421 345 Korea 080 769 0800 Malaysia 1 800 888 848 Singapore 1 800 375 8100 Taiwan 0800 047 866 Other AP Countries 65 6375 8100 Europe and Middle Country Phone Number Austria 0800 001122 Belgium 0800 58580 Finland 0800 523252 France 0805 980333 Germa...

Page 47: ...s Luxembourg 32 800 58580 Netherlands 0800 0233200 Russia 8800 5009286 Spain 0800 000154 Sweden 0200 882255 Switzerland 0800 805353 Opt 1 DE Opt 2 FR Opt 3 IT United Kingdom 0800 0260637 For other unlisted countries www keysight com find contactus Europe and Middle Country Phone Number ...

Page 48: ...he second provides the instrument s serial number The serial number has two parts the prefix two letters and the first four numbers and the suffix the last four numbers Refer to the following figure Figure 1 3 Example Serial Number The first two letters of the prefix identify the country in which the unit was manufactured The remaining four numbers of the prefix identify the date of the last major...

Page 49: ...appears on screen in spans 10 MHz Analyzer will not complete boot up sequence to signal analyzer mode Failure descriptions that will most likely increase repair time Analyzer broken Analyzer will not make accurate measurements Signal drifts If you have recorded any error messages that appeared on the analyzer display or have completed a Functional Test or Performance Verification Test or have any ...

Page 50: ...ving in the carton If packing foam is not available the best alternative is S D 240 Air Cap from Sealed Air Corporation Hayward California 94545 Air Cap looks like a plastic sheet filled with 1 1 4 inch air bubbles Use the pink colored Air Cap to reduce static electricity Wrapping the equipment several times in this material should both protect the equipment and prevent it from moving in the carto...

Page 51: ... on page 53 Typical instrument boot up process flow on page 54 Potential Problems During Boot Process on page 57 Yellow Standby LED Does Not Illuminate on page 57 Green Power On LED Does Not Illuminate on page 59 Fan s Are Not Operating on page 63 No Keysight Splash Screen Displayed on page 65 Instrument Hangs at the Keysight Splash Screen on page 67 Instrument Cannot Completely Load or Run the Op...

Page 52: ... the Mode Preset key 6 Is the measurement being performed and the results that are expected within the specifications and capabilities of the instrument Refer to the Specifications Guide for specifications 7 In order to meet specifications the instrument must be aligned Press System Alignments Align Now All The diagnostic tests should all pass If the instrument displays a failure during these test...

Page 53: ...d If this is done the preload process will be bypassed during the application boot up If a certain measurement mode is selected that did not preload during the original boot that measurement application will preload at that time When this occurs the mode switching time will take longer Once the application is loaded all subsequent mode switches will be much faster If the user does not want the mea...

Page 54: ...Illuminate section in this chapter 3 To turn the analyzer on press the On Off button The yellow Standby LED should turn off and the green Power On LED should illuminate A green Power On LED indicates that the power supply has received an On command from the A4 CPU assembly If the green Power On LED is not illuminating refer to the Green Power On LED Does Not Illuminate section in this chapter If t...

Page 55: ...r to the Instrument Cannot Completely Load or Run the Operating System section in this chapter 7 If the recovery system is not selected the Windows XP Professional operating system will begin to boot up This will take 20 30 seconds 8 The Keysight Technologies logo is displayed in white font on a blue background while Windows finishes loading user preferences This can take up to 4 minutes If this d...

Page 56: ...y failed status for the various internal hardware items listed in this file Once the PXA application is fully initialized and aligned the sweep should resemble Figure 2 2 when delivered from the factory This completes the boot process from initial AC power to the spectrum analyzer application IMPORTANT If the power up state has been changed from the factory power on state by the user the analyzer ...

Page 57: ...ly Assembly When the Standby LED does not come on it could be due to any one of these assemblies This procedure will help to determine which one is the cause If the instrument turns on and operates properly but the yellow Standby LED does not work then all that will need to be done is to trace where the control signal for the LED is being lost using the routing information in the preceding paragra...

Page 58: ...nel Standby LED back to the A4 Processor board are not at fault replace the A4 Processor board If not Replace the A6 Power Supply assembly Most DC power supplies come from the A6 Power Supply assembly However the most convenient measurement location for all the DC supplies is the A7 Midplane All power supply LED s are accessible once the instrument cover has been removed Before replacing the power...

Page 59: ...ed to be done is to trace where the control signal for the LED is being lost using the routing information in the preceding paragraph 1 The Power On LED will only turn on when the instrument is connected to an AC power source that has a voltage level and frequency of that specified for the instrument and the front panel On Off button has been pressed Before proceeding verify that these requirement...

Page 60: ...0 VDC If yes Proceed to step 6 If not Verify the connection between the front panel On Off switch and the A4 Processor assembly by checking the status of the POWER_SW_L control line when the front panel On Off button is both pressed and released This can be monitored by measuring the voltage at Test Point 520 as shown in Figure 2 5 With the On Off button released this should measure a TTL high lev...

Page 61: ...he top of the A7 Midplane board go off when the power is turned on If yes Replace the A4 Processor board If not Proceed to step 7 7 To verify that the A6 Power Supply is not in an over current condition check the status of the FAULT_L status line by measuring the voltage level at Test Point 508 or viewing the FAULT_L LED as shown in Figure 2 6 Table 2 1 Test Point 520 Verification Front Panel Swit...

Page 62: ... the A6 Power Supply assembly If yes Remove different assemblies from the instrument one at a time to see if one of them can be identified as overloading the A6 Power Supply assembly If when a particular assembly is removed the power supplies will now come on replace that assembly If no assembly can be found that is causing the overcurrent condition replace the A6 Power Supply assembly Figure 2 6 ...

Page 63: ...LED on the front panel does turn on when the instrument is turned on If it doesn t refer to the Green Power On LED Does Not Illuminate section before proceeding 1 The instrument fans will only turn on when the instrument is connected to an AC power source that has a voltage level and frequency of that specified for the instrument and the front panel On Off button has been pressed Before proceeding...

Page 64: ...e Fan_P LED off If yes Measure the voltage level at Test Point 522 on the A7 Midplane board Is the Test Point 522 voltage between 7 and 15 VDC If yes Proceed to step 6 If not Replace the A6 Power Supply assembly If not Replace the A6 Power Supply assembly Figure 2 7 A7 Midplane Board Fan_P Failure LED Test Point 522 Before replacing the power supply verify the midplane and motherboard interconnect...

Page 65: ...ard are mechanically and electrically secure replace the A8 Motherboard No Keysight Splash Screen Displayed Black background with white Keysight Technologies text A problem of not displaying the Keysight splash screen could be caused by many different things It could be due to a down power supply a processor hardware problem an instrument boot up process error a display section failure etc This pr...

Page 66: ...ing that the connections between the A6 Power Supply the A7 Midplane board and the A8 Motherboard are all mechanically and electrically secure replace the A6 Power Supply assembly 4 Connect an external VGA monitor to the rear panel display output Does the external monitor display the correct information If yes Proceed to the Troubleshooting a Blank Display section in this chapter If not Replace th...

Page 67: ... Chapter 16 Assembly Replacement Procedures on page 429 in this manual 3 With the AC power applied and the On Off button turned on verify that all of the power supply voltages are at their proper level This can easily be done by viewing the power supply LEDs on the back side of the A7 Midplane board See the A7 Midplane Board Assembly Troubleshooting on page 310 Are all of the power supply voltages...

Page 68: ...Recovery System If yes Run the Instrument Recovery System by referring to the Disk Drive Recovery Process on page 295 If this does not correct the problem replace the A5 Disk Drive If not Replace the A5 Disk Drive Troubleshooting a Blank Display This section is intended to troubleshoot a display system problem that would cause the internal LCD to be blank It is assumed that the rest of the instrum...

Page 69: ...ove the instrument cover Refer to Chapter 16 Assembly Replacement Procedures on page 429 in this manual 2 Remove the Top Brace Refer to Chapter 16 Assembly Replacement Procedures on page 429 in this manual 3 Turn the instrument on and allow enough time for it to completely boot up 4 Shine a bright light at the display and look closely for the expected information a large flashlight should work Sin...

Page 70: ...ws that attach the front panel assembly to the instrument chassis 8 Without disconnecting any of the cables carefully lay the front panel assembly face down on the work surface 9 Referring to Figure 2 9 verify the 3 voltage levels listed in Table 2 2 are correct The instrument does have a screen saver which can disable the display backlight after a predefined period of time If there is any questio...

Page 71: ... Board LCD Backlight Inverter Control Voltages 10 Are all of the 3 voltage levels within their expected ranges If yes Replace the A1A4 LCD Inverter board If not Replace the A1A2 Front Panel Interface board Table 2 2 Expected Backlight Inverter Control Voltage Levels Signal Expected Voltage Brightness Control 0 to 3 VDC Inverter Enable 6 VDC Inverter Supply 12 VDC ...

Page 72: ...Panel Interface board On the A1A2 Front Panel Interface board the LVDS signals are buffered and then sent to the LCD via the A1W1 Flex circuit The most likely cause for a video problem is the A4 Processor assembly however it could be the result of a defective LCD Initializations Did Not Complete During the initialization of the PXA Signal Analyzer Application the following messages will be display...

Page 73: ...ailed alignments From the windows task bar you can click Edit Find and type in FAILED and search for a failure Note that the information in the history file usually shows that multiple measurements are made for a given alignment routine and measured values with upper and lower limits are given For example the Mechanical Attenuator Algorithm measures and displays all of the attenuator step values I...

Page 74: ... internal 10 MHz time base A16 Reference VCXO Loop Band width Adjusts gain of the PLL loop amplifier Uses the 10 MHz internal reference A16 Reference Second LO Tuning Curve Power up alignment only Measures the tune voltage for the 4800 MHz VCO at a number of different frequencies Uses the 10 MHz internal reference A16 Reference Second LO Loop Band width Adjusts gain of the PLL loop amplifier Uses ...

Page 75: ... the crystal prefilter BW set to about 13 kHz Uses 322 5 MHz Comb Calibrator on the A IF A2 Analog IF AIF Variable Gain Algorithm The Gain of the Analog IF System is measured and compared with the ideal gain value Several conditions are tested Dither on dither off A IF prefilter in and bypassed alias filter set wide and narrow Uses 322 5 MHz Comb Calibrator on the A IF A2 Analog IF AIF Step Gain A...

Page 76: ...ng is 10 dB A9 and A10 RF Input Attenuators 50 MHz calibrator on A16 Reference Electrical Attenuator Algorithm Each setting from 0 to 24 dB in steps of 1 dB is measured The reference condition is electrical attenuator set to 0 dB and RF input attenuators set to 10 dB Option EA3 A13 Front End 50 MHz calibrator on A16 Reference Control signals from A15 Front End Controller Electrical Attenuator Tail...

Page 77: ...tenuators through A13 Front End through A2 Analog IF and back to A3 Digital IF If Option B1X present A25 WB A IF switches calibrator signal to A16 Reference Narrow Band Step Cal Alignment Algorithm A16 Reference A9 A10 Attenuators DIF 40 Step Cal Adjustment Alignment Algorithm Since this is wide band alignment done for 40 MHz BW signal path A2 Analog IF is not included in the signal path DIF 40 St...

Page 78: ...and Phase Removal Algorithm option B1X Uses 4 8 GHz calibrator and Preselector Bypass path Requires stable YTO A25 Wideband A IF A16 Reference assy Preselector Bypass path issue Aif140 Extended Highband Phase Removal Algorithm option B1X Uses 4 8 GHz calibrator and Preselector Bypass path Requires stable YTO A25 Wideband A IF A16 Reference assy Preselector Bypass path issue E Cal Path System Gain ...

Page 79: ...13 Front End High Band Nominal Path System Gain Algorithm Anything in Band 1 signal path 4800 MHz calibrator on A16 Reference Low Noise Path System Gain Algorithm Measures change in signal level with low noise path switched ON and OFF then computes system gain Option LNP SW3 4800 MHz calibrator on A16 Reference A15 Front End Controller High Band Preamp Path System Gain Algorithm Measures change in...

Page 80: ...selector Bypass Preamp Path System Gain Algorithm Option MPB A11 Low Band Switch Preselector Bypass Switch s Burst Carrier Trigger Curve Fit Algorithm Detects the level of the signal envelope before filtering at the 22 5 MHz IF and compares that detected level against the trigger threshold DC level A2 Analog IF DIF 25 Pulse Stretcher Alignment Algorithm A3 Digital IF DIF 40 Pulse Stretcher Alignme...

Page 81: ... the analyzer is functioning correctly in low band the 50 MHz calibrator level should be 25 dBm 2 dB See the figure below Is the signal level correct If yes The analyzer low band path is functioning properly at least at 50 MHz If no Refer to Chapter 4 RF Section Troubleshooting RF Microwave Analyzers in this manual It is possible that other input frequencies 3 6 GHz could have an amplitude problem...

Page 82: ...he 4 8 GHz calibrator level should be 28 dBm 2 dB See the figure below Is the signal level correct If yes The analyzer high band path is functioning properly at least at 4 8 GHz If no Press Amplitude Y Scale Preselector Center to manually center the preselector Refer to Chapter 4 RF Section Troubleshooting RF Microwave Analyzers in this manual It is possible that other input frequencies 3 6 GHz co...

Page 83: ...t something has happened Events are sub divided according to their severity into Error Warning or Advisory categories The sub divisions are described in more detail in the section Event and Condition Categories Event messages appear in the Message Line at the bottom left of the analyzer s display window A Condition is a state of the Analyzer which is characterized by a Detection event and a Cleari...

Page 84: ...essages are logged in the error queues If the error is a condition both the Detected and Cleared events are logged Warnings Warning messages appear when a requested operation has completed successfully but there are modifications and or side effects For example if you requested too high a stop frequency then Data out of range is displayed and the analyzer sets itself to the highest available stop ...

Page 85: ...ion that is not available This could be a grayed out front panel key or an inappropriate SCPI command There are two types of grayout messages Benign and Forced 1 Benign the requested function is not available because it does not make sense with the current instrument settings Changing it does not affect the current measurement For example setting the number of FFTs Span when you are not in the FFT...

Page 86: ...ror situation is caused by a command sent over a remote interface the resulting messages are logged in the queue for that interface For convenience they are also logged in the front panel queue Remote interfaces GPIB LAN When an error event is caused by a command sent over a remote interface the resulting messages are output to the queue for that interface To return an error you must query the que...

Page 87: ...ront Panel History Remote Interfaces GPIB LAN Table 3 2 Summary of Event Reporting Modes Event Type SCPI Error Queues Front Panel History Queue Status Panel Display Error Event Logged Logged Displayed in Message Line Warning Event Logged Logged Displayed in Message Line Advisory Event Logged Logged Displayed in Message Line Error Condition Detected Logged Logged Displayed in Status Line Error Cond...

Page 88: ...the instrument Allowable Start Frequency exceeded for the current span When rotating the knob or step up down keys to change the Start frequency the value of the Span is kept constant Therefore the start frequency is limited by the frequency range of the instrument Allowable Stop frequency exceeded for the current span When rotating the knob or step up down keys to change the Stop frequency the va...

Page 89: ...Zero Span The Demod Time function is not available in zero span because in zero span we are ALWAYS demodulating Detector X changed due to physical constraints You have selected more detectors than the instrument hardware can implement An existing detector selection has been changed to allow the current detector choice to be selected X indicates the trace number for which the detector was changed D...

Page 90: ...e IF fixed freq should be greater than the RF Stop freq for an upconverter swept LO setup Use the graph icon on the DUT setup form to clarify the setup required IF Start freq should be greater than LO Fixed freq The setup frequencies break the rules for an upconverter measurement The measurement will still run but check setup frequencies are correct before continuing The IF start freq should be gr...

Page 91: ...ed LO Stop freq should be greater than RF Stop freq The setup frequencies break the rules for a downconverter measurement The measurement will still run but check setup frequencies are correct before continuing The LO Stop freq should be greater than the RF Stop freq s for a DSB for DSB measurements the setup uses LSB values downconverter swept LO setup Use the graph icon on the DUT setup form to ...

Page 92: ...red RF Start freq should be greater than LO fixed freq The setup frequencies break the rules for a downconverter measurement The measurement will still run but check setup frequencies are correct before continuing The RF start freq should be greater than the LO fixed freq s for an USB downconverter fixed LO setup Use the graph icon on the DUT setup form to clarify the setup required RF Start freq ...

Page 93: ...e frequency so there is no sweeping to set up Sync is RF Ampl not Training Sequence Bits are not accurate Trace file saved The trace saving operation was successful Use Gate View Sweep Time in the Gate menu When in Gate View you use Gate View Sweep Time rather than Sweep Time to control the Gate View window User Cal valid Apply Cal from Meas Setup menu The measurement setup has changed such that t...

Page 94: ...he SCPI standard In the X Series sub messages are often attached to add additional information to help the user better understand the event being reported For example error 221 is defined as Settings Conflict but in the X Series you will often see a longer message with error 221 such as Settings Conflict Function not available in Zero Span This helps you understand exactly why you are getting a Se...

Page 95: ...local control Err Message Verbose Correction Information 500 Power on The instrument has detected an off to on transition in its power supply Err Message Verbose Correction Information 400 Query Error There was a problem with a query command The exact problem cannot be specifically identified 410 Query INTERRUPTED Some condition caused an INTERRUPTED query to occur For example a query was followed...

Page 96: ...et GPIB Controller to Enabled so that the analyzer can control the source over GPIB 310 System error Error transmitting a LAN event to the network Communication with the network driver failed 310 System error Failed to initialize the PTP clock to current time Failure communicating with the DMC libraries PTP controller 310 System error Failed to instantiate the PTP ordinary clock Failure in the sta...

Page 97: ...river reported a configuration error Failure in the execution of the PTP driver The most likely cause of this error is a mismatch between versions of the PTP driver and the LXI middleware 310 System error The PTP ordinary clock reported a configuration error Failure in execution of the DMC libraries PTP controller 310 System error The Trigger alarm delayed LAN event was not scheduled due to an exi...

Page 98: ...ield can be used to troubleshoot this problem Contact Keysight technical support if necessary 350 Queue overflow An error occurred that did not get put in the error queue because the queue was full 360 Communication error There was a problem with instrument remote communications The exact problem cannot be specifically identified 360 Communication error SNS data read failure Disconnect then reconn...

Page 99: ... 221 Setting conflict Differential setting determined by probe type A probe is connected that has a built in Differential setting The setting cannot be changed manually 221 Setting conflict Input Z unavailable when probe sensed A probe is connected and the Input Z is set based on the probe type It cannot be changed manually 221 Settings conflict A legal command was received but it could not be exe...

Page 100: ...r the Cancellation menu 221 Settings Conflict Cancellation trace has different X Scale Reference trace for the cancellation has a different range of X axis against the target trace 221 Settings conflict Cannot optimize while user cal in progress Optimize Preselector cannot be performed while a user cal is in progress The user cal performs an optimize preselector prior to taking the noise source on...

Page 101: ...ict Electronic attenuator unavailable in current state 221 Settings conflict Electronic attenuator unavailable with Preamp on The internal preamp is on Electronic attenuator cannot be used while you are using the internal preamp 221 Settings Conflict FAST method can only be used while Radio Std is W CDMA 221 Settings conflict Feature not available in this View Some functionality is available in on...

Page 102: ...e X or Y value of a Fixed marker that has a marker function turned on 221 Settings conflict Fixed Marker Y value is not adjustable with Normalize On If Normalize is on the Amplitude scale is in dB units so adjusting the Y value of a Fixed marker is not possible 221 Settings conflict Freq 3 6 GHz unavailable while electronic attenuator enabled The electronic attenuator does not function above 3 6 G...

Page 103: ...able for gating 221 Settings conflict Gated FFT is not available while Sweep Type is set to Swept The gated FFT function is not available if you have selected the swept type of sweep You must be in the FFT sweep type 221 Settings conflict Gated LO is not available while Sweep Type is set to FFT The FFT sweep type moves the LO frequency in steps So the gated LO function is not available if you have...

Page 104: ...krΔ CF require that the selected marker be a delta marker 221 Settings conflict Marker function is not available in zero span Most of the Marker To functions are not available if you are in zero span span 0 Hz or time domain So you cannot send the commands for these functions 221 Settings conflict Mask unavailable for current Span Increase to display mask The current span setting is either narrowe...

Page 105: ...alize is not available while Trace Math is on The Normalize function works by doing trace manipulation So if trace math is on you cannot turn on normalization 221 Settings conflict Only active Antenna Unit available no other Y axis units When a correction with antenna units is turned on the only Y Axis units you can have are those that match the Antenna Unit Turn off the Correction or the Antenna ...

Page 106: ...gger needs hardware support for this meas To do Relative Triggering in this measurement requires optional hardware that is not present in this analyzer 221 Settings conflict Scale Type Lin is not available when Normalize is on Only the Log amplitude scale is available in Normalize since the results are always presented as a dB ratio 221 Settings conflict Settings conflict Pre trigger is insufficie...

Page 107: ...e sweep time for FFT sweeps is set by the calculations It cannot be manually controlled 221 Settings conflict Swept IF Gain High not available when FFT IF Gain Manual Low When FFT IF Gain is manually set to Low you cannot set the Swept IF Gain to High because that would make the Reference Level couplings wrong in swept mode 221 Settings conflict Swept LO not available when freq mode is Fixed SCPI ...

Page 108: ...tion testing is available 221 Settings conflict Zero Span not available when Frequency Scale Type Log Logarithmic scales cannot be used for time domain sweeps 0 Hz span 221 Settings conflict Administrator privileges required You must be logged in with administrator privileges to do this Log out and log back in as the administrator then restart the SA application 221 Settings conflict Auto Scan Tim...

Page 109: ...allowed to turn on all 3 EMI detectors together You must turn off one of the EMI Detectors before you turn this on 221 Settings conflict Range 0 is turned off as total range points 40001 Max of Total range points is 400000 Reduce Scan Points or increase Step Size in order to turn on that range 221 Settings conflict RF Input 2 is not available above 1GHz If the frequency range is set above 1GHz use...

Page 110: ...ecution error has occurred The exact problem cannot be specifically identified 200 Execution error Carrier frequency outside device s transmit band The entered channel carrier frequency is not within the range of your current mode setup selection of standard and device 200 Execution error Invalid GSM burst timing A GSM like burst was acquired but its timing is not valid Ensure the correct Burst Ty...

Page 111: ...tion error Trace file created by incompatible version of Phase Noise App The trace file may have been created by another version of the Phase Noise personality which uses a different trace format that is incompatible with the version you are running Please check you are running the most up to date version of the personality 200 Function not available before Marker Zoom is performed Function not av...

Page 112: ...dlock The trigger source for the initiation of a measurement is set to GET and the following measurement query was received The measurement cannot be started until a GET is received but the GET would cause an INTERRUPTED error 215 Arm deadlock The arm source for the initiation of a measurement is set to GET and the following measurement query is received The measurement cannot be started until a G...

Page 113: ...alue does not fall in the valid range 224 Illegal parameter value Exceeding the max list length The list parameters have a maximum allowed length You are trying to set a length longer than the maximum 224 Illegal parameter value Gated FFT is not available while Sweep Type is set to Swept The gated FFT function is not available if you have selected the swept type of sweep You must be in the FFT swe...

Page 114: ...y to perform the requested operation 225 Out of memory Insufficient resources to load Mode mode name If you attempt to load a mode via SCPI that will exceed memory capacity the Mode does not load and this message is returned mode name is the SCPI parameter for the Mode in question for example SA for Spectrum Analyzer Mode You can free up resources in the System Power On Configure Applications menu...

Page 115: ...r SA The internal data acquisition system detected a problem at startup and logged the details in the Windows Event Log 241 Hardware missing The operation could not be performed because of missing hardware perhaps the optional hardware is not installed 241 Hardware missing Internal preamp not available at all frequency points The Internal Preamp is currently turned on but the measurement is being ...

Page 116: ...e but you should check it closely 250 Mass storage error File contains incorrect data for this operation There is a mismatch between the file data type of the file specified and the destination indicated For example a correction set cannot be loaded imported into a limit line 250 Mass storage error File empty Cannot save trace because it contains no data Check that the trace is turned on and conta...

Page 117: ...t media A removable media was found to be bad or incorrectly formatted Any existing data on the media may have been lost 254 Media full A legal command query could not be executed because the media was full 255 Directory full A legal command or query could not be executed because media directory was full 256 File name not found A legal command or query could not be executed because the file name w...

Page 118: ...be executed because the string or block contents were too long for the device to handle 276 Macro recursion error Indicates that a syntactically legal macro program data sequence could not be executed because the device found it to be recursive 277 Macro redefinition not allowed Indicates that a syntactically legal macro label in the DMC command could not be executed because the macro label was al...

Page 119: ...loaded program The syntax used when parsing the downloaded program is device specific 286 Program runtime error 290 Memory use errors 291 Out of memory 292 Referenced name does not exist 293 Referenced name already exists 294 Incompatible type Indicates that the type or structure of a memory item is inadequate Err Message Verbose Correction Information ...

Page 120: ...allowed 109 Missing parameter Fewer parameters were received than required for this command 110 Command header error This is a general error that is generated when a problem is found in a command header but we can t tell more specifically what the problem is 111 Header separator error We found an illegal character in a command where we expected to find a separator 112 Program mnemonic too long The...

Page 121: ...e than twelve characters 148 Character data not allowed A character data element that you sent is valid but it is not allowed in this point in the parsing 150 String data error A problem was found with a string data element The exact problem cannot be specifically identified 151 Invalid string data A string type of data element was expected but it is invalid for some reason For example an END mess...

Page 122: ...icates that a macro parameter placeholder was encountered outside of a macro definition 183 Invalid inside macro definition Indicates that the program message unit sequence sent with a DDT or DMC command is syntactically invalid 184 Macro parameter error Indicates that a command inside the macro definition had the wrong number or type of parameters Err Message Verbose Correction Information 0 No e...

Page 123: ...ed out to three sub registers with summary bits in the main STATus QUEStionable CALibration register each sub register has its own range of error numbers Condition Errors 6 to 34 Calibration Skipped This series of errors corresponds to the bits in the STATus QUEStionable CALibration SKIPped sub register The second column in the table shows the corresponding bit An event with the error number shown...

Page 124: ...its they exist only as status bits read with a STATus QUEStionable CALibration event query or a STATus QUEStionable CALibration CONDition query Note that these summary bits summarize the state and history of the event registers at the lower level This is true even for bits in the STATus QUEStionable CALibration condition register This means that The summary bits read by the STATus QUEStionable CAL...

Page 125: ...ilure E 42 3 RF Alignment Failure E 44 4 IF Alignment Failure E 46 5 LO Alignment Failure E 48 6 ADC Alignment Failure E 50 7 FM Demod Alignment Failure E 52 8 Extended Align Needed Summary status bit only This bit is the summary bit for the STATus QUEStionable CALibration EXTende d NEEDed sub register 54 9 Extended Align Failure Summary status bit only This bit is the summary bit for the STATus Q...

Page 126: ...t Attenuation not calibrated condition has been detected and error 1072 indicates that failure has been cleared This register is summarized as bit 8 of the STATus QUEStionable CALibration register See section Condition Errors 36 to 64 Calibration Needed or Failed on page 124 Err Bit in status register Message Error or Warning More Information 3 System alignment required 65 0 unused 66 1 Align 9kHz...

Page 127: ...CTED and CLEARED indicators For example error 71 indicates that the Characterize Preselector Failure has been detected error 1071 indicates that failure has been cleared This register is summarized as bit 9 of the STATus QUEStionable CALibration register See section Condition Errors 36 to 64 Calibration Needed or Failed on page 124 Err Bit in status register Message Error or Warning More Informati...

Page 128: ...s true even for bits in the STATus QUEStionable INTegrity condition register This means that The summary bits read by the STATus QUEStionable INTegrity CONDition query are true if any event bits are set in any of the INTegrity sub registers SIGNal or UNCalibrated The summary bits read by the STATus QUEStionable INTegrity event query are true if any event bit has undergone a false to true transitio...

Page 129: ...age may occur without causing an ADC overload for example if I is at 5 01 V and I bar is at 5 0 the ADC will be in range but both I and I bar will exceed the voltage limit 143 5 unused 145 6 unused 147 7 Insufficient Data E 147 7 Insufficient Data Incr Demod Time E There is insufficient acquisition data to provide accurate metrics You should increase the Demod Time to acquire enough data 147 7 Ins...

Page 130: ...othing in the history queue but there IS an on screen indication and a status bit 159 13 Settings Alert W 159 13 Settings Alert LO may overload IF W If the sweep type is Swept the start frequency of the instrument is less than 10 MHz and you put Swept IF Gain in Manual High then a warning condition is generated and remains in effect as long as this condition exists In some older analyzers this was...

Page 131: ...t I Q mismatch Differential Input Z Attenuation W The impedance differential or attenuation settings for the I and Q channels do not match For valid I jQ measurements the impedance and differential settings should be the same on both channels and the attenuation should match within 1 dB 159 13 Settings Alert Parm data mismatch W For Bluetooth the detected parameters did not match the data 161 14 S...

Page 132: ...ted When the condition is cleared an event with the error number plus 1000 is generated These error numbers can be seen in the Show Errors screen along with the DETECTED and CLEARED indicators For example error 207 indicates a Burst Not Found condition has been detected error 1207 indicates that failure has been cleared This register is summarized as bit 0 of the STATus QUEStionable INTegrity regi...

Page 133: ...CH channel for Power Control measurement because the signal cannot be found Make sure PRACH is present in the W CDMA uplink signal and that the preamble signature and scramble code are set correctly GSM Data was acquired but a GSM burst was not found with the timeslot mode disabled NADC PDC A valid burst is not found when the Device is MS 1xEV DO Data was acquired but a 1xEV burst was not found wi...

Page 134: ...tly and check the entered measurement frequencies and measurement mode 215 6 Sync Error E W CDMA Cannot sync DPCCH pilot Cannot synchronize measurement with DPCCH pilot for Power Control measurement because the pilot signal cannot be found Make sure DPCCH is present in the W CDMA uplink signal and that the slot format and scramble code are set correctly 215 6 Sync Error No pilot burst E There is n...

Page 135: ... correlate to the input signal and no active channel is found from composite EVM measurement An active channel must meet the default threshold criteria that it is within 20 dB of the highest power code channel The threshold can be changed using the active set threshold function in the Meas Setup menu In the PSA this error was reported as one of the following error numbers 10872 10962 13070 10228 1...

Page 136: ...l is too noisy GSM EDGE In a GSM measurement indicates that a burst could not be found in a signal that appears noisy In the PSA this error was reported as one of the following error numbers 10702 10824 10906 10930 13024 10626 111 221 9 Slot Error E 221 9 Slot error No active slot found E No valid active slot found in captured data or no active slot found in captured interval Synchronization may s...

Page 137: ...ror numbers can be seen in the Show Errors screen along with the DETECTED and CLEARED indicators For example error 301 indicates a Meas Uncal condition has been detected error 1301 indicates that failure has been cleared This register is summarized as bit 3 of the STATus QUEStionable INTegrity register See section Condition Errors 101 to 199 Measurement Integrity on page 128 Err Status Register Bi...

Page 138: ...In this case you will see an error message DUT Type If the DUT Type parameter changes causing the measurement frequencies to be pushed outside the current cal Attenuation If an attenuation setting is selected but has not been calibrated Preamp If set to condition different from current cal settings for example if calibrated with the preamp on turning it off will invalidate the cal Points Changing ...

Page 139: ...requency points exceed the currently loaded Cal or Meas ENR Table frequency ranges The corresponding ENR table s lowest frequency ENR value will be re used for frequencies less than the table range and the highest frequency ENR value will be re used for frequencies greater than the table range ENR 311 5 Calibration No ENR data present W No ENR Data ENR 313 6 Source Uncal W 313 6 Source Uncal adj S...

Page 140: ...140 N9030B PXA Signal Analyzer Service Guide Instrument Messages Condition Messages 329 14 unused W Err Status Register Bit Message Error or Warning Verbose Correction Information ...

Page 141: ...the DETECTED and CLEARED indicators For example error 409 indicates a 50 MHz Oscillator Unleveled condition has been detected error 1409 indicates that failure has been cleared This register is summarized as bit 3 of the STATus QUEStionable register See section Condition Errors 601 to 699 Error Summaries on page 143 Err Bit in status register Message Error or Warning More Information 401 0 RPP Tri...

Page 142: ... Reference Unlocked condition has been detected error 1503 indicates that failure has been cleared This register is summarized as bit 5 of the STATus QUEStionable register See section Condition Errors 601 to 699 Error Summaries on page 143 Err Bit in status register Message Error or Warning More Information 501 0 Source Synth Unlocked E 503 1 Frequency Reference Unlocked E 505 2 2nd LO Unlocked E ...

Page 143: ...e if any event bits are set in any of the QUEStionable sub registers POWer TEMPerature FREQuency CALibration or INTegrity The summary bits read by the STATus QUEStionable event query are true if any event bit has undergone a false to true transition with the PTRansition filter set or a true to false transition with the NTRansition filter set in any of the QUEStionable sub registers POWer TEMPeratu...

Page 144: ...summary bit for the STATus QUEStionable CALibration sub register 619 9 Integrity status bit only This bit is the summary bit for the STATus QUEStionable INTegrity sub register 621 10 unused 623 11 CALL unused 625 12 unused 627 13 unused 629 14 Command Warning unused Err Bit in status register Message Error or Warning More Information ...

Page 145: ...led condition has been detected error 1721 indicates that condition has been cleared Unless otherwise noted in the Error or Warning column these are status bits only with no corresponding error message or number Err Bit in status register Message Error or Warning More Information 701 0 Calibrating status bit only 703 1 Settling status bit only 705 2 Ranging unused 707 3 Sweeping status bit only 70...

Page 146: ...e seen in the Show Errors screen along with the DETECTED and CLEARED indicators For example error 801 indicates that the Ref Osc Oven Cold condition has been detected error 1801 indicates that condition has been cleared This register is summarized as bit 4 of the STATus QUEStionable register See section Condition Errors 601 to 699 Error Summaries on page 143 Err Bit in status register Message Erro...

Page 147: ... section signal path The following sections are found in this chapter RF Section Description on page 148 Quick Check to Verify the Low Band Signal Path on page 154 Troubleshooting a Low Band Problem on page 157 Quick Check to Verify High Band RF Path on page 163 Troubleshooting a High Band Problem on page 167 Each section describes how the assembly works and gives information to help you troublesh...

Page 148: ... 2 High band RF path 1 is used when the input frequency is 3 6 GHz to 13 6 GHz 3 High band RF path 2 is used when the input frequency is 13 6 GHz to 26 5 GHz The RF section is designed to convert RF input signals to an intermediate frequency that is present at the RF output of the A13 Front End assembly This intermediate frequency IF depends on installed options and the IF path selected This chapt...

Page 149: ...mbly There are 3 different signal paths on the input of the RF Front End assembly that the signal can be routed through depending on installed options and front panel settings Electronic Attenuator path 0 24 dB Option EA3 Low Band Preamplifier path 20 dB nominal gain Option P03 Direct to Mixer 1 The RF input signal is then mixed with the 1st LO from the A20 YTO assembly to a 1st intermediate frequ...

Page 150: ...ides a 1st intermediate frequency of 322 5 MHz The 322 5 MHz IF output is at A13A1J7 This is the signal path for Option 508 8 4 GHz Frequency Range Option 513 13 6 GHz Frequency Range and Option 526 26 5 GHz Frequency Range up to 13 6 GHz The control voltages and biasing are provided by the A15 Front End Control Assembly 3 RF input frequencies from 13 6 GHz to 26 5 GHz go through the high band pat...

Page 151: ... the A13 RF Front End Assembly The YTF Preselector is a YIG tunable bandpass filter whose main purpose is to track the input signal and to filter out unwanted spurious or image response signals The YTF Preselector has a 3 dB bandwidth greater than 40 MHz and an insertion loss of 6 5 dB The preselector requires centering for optimum amplitude accuracy The Auto Align routine will perform a rough cen...

Page 152: ...ssembly This assembly consists of two circuit boards A13A1 contains the major front end conversion components A13A2 contains the switched filters and LO and IM nulling circuits A13A1 and A13A2 are not separately replaceable The entire A13 assembly must be replaced See Figure 4 1 Figure 4 1 A13 RF Front End Assembly View from Front Panel ...

Page 153: ...M nulling A13A2 Mixer 2 RF input signals 3 6 GHz to 13 599 GHz Microwave Input Amplifier Mixer 3 RF input signals 13 6 GHz to 26 5 GHz LO Doubler External Mixing Diplexer A15 Front End Control Assembly Provides the correct biasing and switch control logic to the following RF assemblies Input Attenuator A Input Attenuator B Low Band Switch Option LNP Low Noise Path YTF Preselector Input signals 3 6...

Page 154: ...r SMA m to SMA m adapter Turn the instrument on and allow it to complete its full boot up process to Spectrum Analyzer mode Use the internal 50 MHz 25 dBm calibrator signal as a reference for troubleshooting by pressing Mode Preset Input Output RF Calibrator 50 MHz on the analyzer Now press FREQ Channel 50 MHz SPAN X Scale 1 MHz Peak Search The 50 MHz reference signal should measure 50 MHz 25 dBm ...

Page 155: ...he 322 5 MHz intermediate frequency is measuring 22 dBm 3 dB using the same analyzer settings as in Figure 4 2 Figure 4 2 322 5 MHz Intermediate Frequency If this power level is correct the signal path from the A9 50 MHz Reference signal input port to A13A1J7 IF Output is operating correctly using a 50 MHz input calibrator signal Reconnect the W16 cable to A13A1J7 Flatness issues or power level pr...

Page 156: ...t Output RF Calibrator 50 MHz when verifying the performance 1 A11 Low Band Switch 2 A10 Input Attenuator B 3 A9 Input Attenuator A 4 A16 Reference Assembly 50 MHz calibrator 2nd LO 5 A20 YTO 6 A13 RF Front End Assembly In order to gain access to the front end components remove the front frame assembly but leave the ribbon cable connected so you can still control the instrument Remove the right si...

Page 157: ... sweep up to 3 6 GHz in low band and then automatically switch to the high band path above 3 6 GHz A11 Low Band Switch Verification Disconnect W8 from A13A1J2 See Figure 4 3 for location of connector Attach a right angle sma adapter to W8 and measure the output of the Low Band Switch with a spectrum analyzer Expected signal is 50 MHz at 35 3 dBm since the Low Band Switch and Option LNP SW3 have a ...

Page 158: ...158 N9030B PXA Signal Analyzer Service Guide RF Section Troubleshooting RF Microwave Analyzers Troubleshooting Figure 4 3 RF Section ...

Page 159: ...ator Off If the signal level at the attenuator output is now correct suspect the A9 Attenuator cal switch or a faulty control signal from the A15 Front End Controller assembly Attenuator Check Set the signal source connected to the analyzer input port to 0 dBm On the analyzer press Amplitude Attenuation and change input attenuation to 0 dB The measuring spectrum analyzer connected to A10 Attenuato...

Page 160: ...he signal level is incorrect measure the signal coming from the A20 YTO at A13A1J4 In order to measure this signal and avoid an LO Unlock you will need to install a power splitter at A13A1J4 Connect one arm of the splitter to A13A1J4 using a sma m to sma m adapter Connect the input of the splitter to W20 using the sma 90 degree adapter and short sma cable Connect the measuring spectrum analyzer to...

Page 161: ...Delta Activate the electronic attenuator Press AMPTD Attenuation Enable Elec Atten Then press Elec Atten Press the up arrow key to step through all attenuator steps while monitoring the marker delta readout The signal level should not change more than 0 4 dB as indicated by the marker delta readout If the attenuator switches slowly or the signal is not present when the electronic attenuator is swi...

Page 162: ...tor and preamp at the same time Press AMPTD More Internal Preamp Low Band to activate the preamp The expected operation is the signal level will not change more than 0 5 dB and the noise floor will increase due to the fact the input attenuator is automatically increased If the amplitude error when switching the preamp on and off is greater than 0 5 dB assure that any other internal alignment failu...

Page 163: ...MA f adapter MMCX f to SMA f cable SMA f to SMA f adapter SMA m to SMA m adapter Turn the instrument on and allow it to complete its full boot up process to Signal Analyzer mode Use the internal 4 8 GHz 28 dBm calibrator signal as a reference for troubleshooting by pressing Mode Preset Input Output RF Calibrator 4 8 GHz on the analyzer Now press FREQ Channel 4 8 GHz SPAN X Scale 1 MHz Peak Search ...

Page 164: ...ce Guide RF Section Troubleshooting RF Microwave Analyzers Troubleshooting Disconnect cable W16 at A13A1J7 322 5 MHz output on the Front End Assembly See Figure 4 4 Select Span 0 Hz Figure 4 4 A13A1J7 Location Options 503 508 513 and 526 ...

Page 165: ...as shown in Figure 4 5 Figure 4 5 322 5 MHz Intermediate Frequency If this power level is correct the Front End assembly is operating correctly in high band If this power level is incorrect verify the following assemblies using the 4 8 GHz internal calibrator signal 1 A11 Low Band Switch 2 A10 Input Attenuator B 3 A9 Input Attenuator A 4 A16 Reference Assembly 4 8 GHz calibrator 5 A20 YTO 6 A12 YT...

Page 166: ... 6 Remove the Side Chassis High Band 2 signal path utilizes a high band mixer internal to the A13 Front End Assembly for input frequencies from 13 6 GHz to 26 5 GHz Failures from 13 6 GHz 26 5 GHz will most likely be caused by the A13 RF Front End Assembly If the failure is amplitude related proper adjustments such as frequency response and the YTF Preselector adjust should be performed first befo...

Page 167: ...n the other end of W15 if possible to avoid damaging the cable Attach a right angle sma adapter to W15 and measure the input to the A13 Front End with a spectrum analyzer Figure 4 7 A13A1J9 Location Expected signal is 4 8 GHz at 51 dBm 4 dB The tolerance is large because the A12 YTF microwave preselector loss varies between devices and the YTF may not be perfectly aligned or the frequency response...

Page 168: ...sent remove A10 Input Attenuator B output cable and measure the output power Expected signal is 4 8 GHz 38 dBm See Figure 4 8 for location of attenuator If the attenuator output signal is correct suspect the A11 Low Band Switch and if Option MPB or LNP is installed suspect switches 1 2 3 Also suspect the switching signals from the A15 Front End controller The control signals are explained in the F...

Page 169: ...hould indicate a 0 dBm level Change the input attenuation on the analyzer under test to 2 dB See the chart below for expected measurement values at the A10 Attenuator output port First LO Level Verification The first LO is the A20 YTO assembly The first LO is phased locked by the by the A14 Synthesizer assembly and controlled by tuning signals from the A15 Front End Controller To assure the first ...

Page 170: ... Input Verification The output signal level was measured at A13A1J7 during the quick check to verify the High Band signal path The LO input at W20 and the LO outputs were tested when performing the First LO Verification High Band Preamp Option P08 P13 P26 If a preamp option listed above is installed the High Band preamp can be verified as follows View the 4 8 GHz calibrator signal on screen Press ...

Page 171: ...bypassed improving sensitivity in highband path Press Amplitude uW Path Control Low Noise Path Enable key The Low Noise Path will be enabled only after the following conditions are met 1 The start frequency must be 3 6 GHz or greater 2 The high band preamp option P08 P18 P26 must be Off When Switch 3 changes state you will hear a click The amplitude of the displayed signal should not change Microw...

Page 172: ...172 N9030B PXA Signal Analyzer Service Guide RF Section Troubleshooting RF Microwave Analyzers Troubleshooting ...

Page 173: ...RF section signal path The following sections are found in this chapter RF Section Description on page 174 Quick Check to Verify the Low Band Signal Path on page 180 Troubleshooting a Low Band Problem on page 183 Quick Check to Verify High Band RF Path on page 189 Troubleshooting a High Band Problem on page 193 Each section describes how the assembly works and gives information to help you trouble...

Page 174: ...o 17 1 GHz 3 High band RF path 2 is used when the input frequency is 17 GHz to 34 5 GHz 4 High band RF Path 3 is used when the input frequency is 34 4 GHz to 50 GHz The RF section is designed to convert RF input signals to an intermediate frequency that is present at the RF output of the A13 Front End assembly This intermediate frequency IF depends on installed options and the IF path selected Thi...

Page 175: ...ly There are 3 different signal paths on the input of the RF Front End assembly that the signal can be routed through depending on installed options and front panel settings Electronic Attenuator path 0 24 dB Option EA3 Low Band Preamplifier path 20 dB nominal gain Any preamp option Direct to Mixer 1 The RF input signal is then mixed with the 1st LO from the A20 YTO assembly to a 1st intermediate ...

Page 176: ...d Assembly routes the RF input signal to Mixer 2 where it mixes with the LO and provides a 1st intermediate frequency of 322 5 MHz The 322 5 MHz IF output is at A13A1J7 The control voltages and biasing are provided by the A15 Front End Control Assembly The LO is doubled for tuned frequencies 8 4 GHz in this path 3 RF input frequencies from 17 1 GHz to 34 5 GHz go through the high band path Refer t...

Page 177: ...to 50 GHz A12 YTF Preselector The YTF Preselector is used for input frequencies greater than 3 6 GHz Signals less than 3 6 GHz bypass the YTF assembly and are routed to the low band input of the A13 RF Front End Assembly The YTF Preselector is a YIG tunable bandpass filter whose main purpose is to track the input signal and to filter out unwanted spurious or image response signals The YTF Preselec...

Page 178: ... Options 544 550 This assembly consists of two circuit boards A13A1 contains the major front end conversion components A13A2 contains the switched filters and LO and IM nulling circuits A13A1 and A13A2 are not separately replaceable The entire A13 assembly must be replaced See Figure 5 1 Figure 5 1 A13 RF Front End Assembly View from Front Panel ...

Page 179: ...er 2 RF input signals 3 6 GHz to 17 1 GHz Microwave Input Amplifier Mixer 3 RF input signals 17 GHz to 34 5 GHz Mixer 4 RF input signals 34 4 GHz to 50 GHz LO Doubler External Mixing Diplexer A15 Front End Control Assembly Provides the correct biasing and switch control logic to the following RF assemblies Input Attenuator A Input Attenuator B Low Band Switch Option LNP Low Noise Path YTF Preselec...

Page 180: ... m adapter 3 5mm f to 2 4mm m adapters 2 required Turn the instrument on and allow it to complete its full boot up process to Spectrum Analyzer mode Use the internal 50 MHz 25 dBm calibrator signal as a reference for troubleshooting by pressing Mode Preset Input Output RF Calibrator 50 MHz on the analyzer Now press FREQ Channel 50 MHz SPAN X Scale 1 MHz Peak Search The 50 MHz reference signal shou...

Page 181: ... the 322 5 MHz intermediate frequency is measuring 22 dBm 3 dB using the same analyzer settings as in Figure 5 2 Figure 5 2 322 5 MHz Intermediate Frequency If this power level is correct the signal path from the A9 50 MHz Reference signal input port to A13A1J7 IF Output is operating correctly using a 50 MHz input calibrator signal Reconnect the W16 cable to A13A1J7 Flatness issues or power level ...

Page 182: ...ut Output RF Calibrator 50 MHz when verifying the performance 1 A11 Low Band Switch 2 A10 Input Attenuator B 3 A9 Input Attenuator A 4 A16 Reference Assembly 50 MHz calibrator 2nd LO 5 A20 YTO 6 A13 RF Front End Assembly In order to gain access to the front end components remove the front frame assembly but leave the ribbon cable connected so you can still control the instrument Remove the right s...

Page 183: ...e analyzer will sweep up to 3 6 GHz in low band and then automatically switch to the high band path above 3 6 GHz A11 Low Band Switch Verification Disconnect W8 from A13A1J2 See Figure 5 3 for location of connector Attach a right angle SMA adapter to W8 and measure the output of the Low Band Switch with a spectrum analyzer Expected signal is 50 MHz at 35 3 dBm since the Low Band Switch and Option ...

Page 184: ...184 N9030B PXA Signal Analyzer Service Guide RF Section Troubleshooting Millimeter Wave Analyzers Troubleshooting Figure 5 3 RF Section Options 544 and 550 ...

Page 185: ...librator Off If the signal level at the attenuator output is now correct suspect the A9 Attenuator cal switch or a faulty control signal from the A15 Front End Controller assembly Attenuator Check Set the signal source connected to the analyzer input port to 0 dBm On the analyzer press Amplitude Attenuation and change input attenuation to 0 dB The measuring spectrum analyzer connected to A10 Atten...

Page 186: ... the signal level is incorrect measure the signal coming from the A20 YTO at A13A1J4 In order to measure this signal and avoid an LO Unlock you will need to install a power splitter at A13A1J4 Connect one arm of the splitter to A13A1J4 using a SMA m to SMA m adapter Connect the input of the splitter to W20 using the SMA 90 degree adapter and short SMA cable Connect the measuring spectrum analyzer ...

Page 187: ...s Peak Search to place a marker on the calibrator signal then press Marker Delta Activate the electronic attenuator Press AMPTD Attenuation Enable Elec Atten Then press Elec Atten Press the up arrow key to step through all attenuator steps while monitoring the marker delta readout The signal level should not change more than 0 4 dB as indicated by the marker delta readout If the attenuator switche...

Page 188: ...tten key is set to Off It is not possible to turn on both the electronic attenuator and preamp at the same time Press AMPTD More Internal Preamp Low Band to activate the preamp The expected operation is the signal level will not change more than 0 5 dB and the noise floor will increase due to the fact the input attenuator is automatically increased If the amplitude error when switching the preamp ...

Page 189: ... mm cables 90 SMA m to SMA f adapter MMCX f to SMA f cable SMA f to SMA f adapter SMA m to SMA m adapter 3 5mm f to 2 4 mm m adapters 2 required 3 5 mm m to 2 4 mm f adapter Turn the instrument on and allow it to complete its full boot up process to Signal Analyzer mode Use the internal 4 8 GHz 28 dBm calibrator signal as a reference for troubleshooting by pressing Mode Preset Input Output RF Cali...

Page 190: ... Millimeter Wave Analyzers Troubleshooting IMPORTANT Turn off auto align by pressing System Alignments Auto Align Off Disconnect cable W16 at A13A1J7 322 5 MHz output on the Front End Assembly See Figure 5 4 Select Span 0 Hz Figure 5 4 A13A1J7 Location Options 544 and 550 ...

Page 191: ... as shown in Figure 5 5 Figure 5 5 322 5 MHz Intermediate Frequency If this power level is correct the Front End assembly is operating correctly in high band If this power level is incorrect verify the following assemblies using the 4 8 GHz internal calibrator signal 1 A11 Low Band Switch 2 A10 Input Attenuator B 3 A9 Input Attenuator A 4 A16 Reference Assembly 4 8 GHz calibrator 5 A20 YTO 6 A12 Y...

Page 192: ...gh band mixer internal to the A13 Front End Assembly for input frequencies from 17 0 GHz to 34 5 GHz High Band 3 signal path utilizes a high band mixer internal to the A13 Front End Assembly for input frequencies from 34 4 to 50 GHz Failures from 3 6 GHz to 50 GHz will most likely be caused by the A13 RF Front End Assembly If the failure is amplitude related proper adjustments such as frequency re...

Page 193: ...ee Figure 5 7 for location of connector Loosen the other end of W62 or W57 if possible to avoid damaging the cable Attach a right angle SMA adapter to W62 or W57 and measure the input to the A13 Front End with a spectrum analyzer Figure 5 7 A13A1J9 Location Expected signal is 4 8 GHz at 51 dBm 4 dB The tolerance is large because the A12 YTF microwave preselector loss varies between devices and the...

Page 194: ...ot present remove A10 Input Attenuator B output cable and measure the output power Expected signal is 4 8 GHz 38 dBm See Figure 5 8 for location of attenuator If the attenuator output signal is correct suspect the A11 Low Band Switch and if Option MPB or LNP is installed suspect switches 3 and 4 Also suspect the switching signals from the A15 Front End controller The control signals are explained ...

Page 195: ... output port should indicate a 0 dBm level Change the input attenuation on the analyzer under test to 2 dB See the chart below for expected measurement values at the A10 Attenuator output port First LO Level Verification The first LO is the A20 YTO assembly The first LO is phased locked by the by the A14 Synthesizer assembly and controlled by tuning signals from the A15 Front End Controller To ass...

Page 196: ...y the High Band signal path The LO input at W20 and the LO outputs were tested when performing the First LO Verification High Band Preamp Option P08 P13 P26 P43 P44 P50 If a preamp option listed above is installed the High Band preamp can be verified as follows View the 4 8 GHz calibrator signal on screen Press AMPTD More Internal Preamp Full Range to activate the preamp The expected operation is ...

Page 197: ...ude uW Path Control Low Noise Path Enable key The Low Noise Path will be enabled only after the following conditions are met 1 The start frequency must be 3 6 GHz or greater 2 The high band preamp option P08 P18 P26 P43 P44 P50 must be Off When Switch 3 changes state you will hear a click The amplitude of the displayed signal should not change Microwave Preselector Bypass Option MPB Allows the YTF...

Page 198: ...198 N9030B PXA Signal Analyzer Service Guide RF Section Troubleshooting Millimeter Wave Analyzers Troubleshooting ...

Page 199: ...em by verifying the functionality of assemblies of the Front End Control The following information is found in this chapter A15 Front End Control Description on page 200 A15 Front End Control Assembly Troubleshooting on page 204 Each of the following sections first describes how the assembly works then gives information to help you troubleshoot the assembly Each description explains the purpose of...

Page 200: ... end assemblies require the correct control logic and bias in order to function properly If the voltages from the A15 are not correct the RF input signals will most likely be displayed at an incorrect power level if they even get displayed at all Standard RF Assemblies Controlled by the A15 A9 Input Attenuator A 4 dB total for Opt 503 508 513 526 10 dB total for Opt 544 550 A10 Input Attenuator B ...

Page 201: ...1 and A13 P26 100 kHz to 26 5 GHz Internal Preamplifier A15 to A11 and A13 P43 100 kHz to 43 GHz Internal Preamplifier A15 to A11 and A13 P44 100 kHz to 44 GHz Internal Preamplifier A15 to A11 and A13 P50 100 kHz to 50 GHz Internal Preamplifier A15 to A11 and A13 ALV Log Video Out A15 to Aux IF Output rear panel CRP Arbitrary I F Out A15 to Aux IF Output rear panel CR3 2nd I F Out A15 to Aux IF Ou...

Page 202: ...on and the final destinations of the RF signal switch control logic or bias voltage Table 6 2 A15 Connectors and Destinations A15 Connector Designation Description Destination J900 Narrowband I F Out To A2 J901 Wideband I F Out To A2 or A3 Wide bandwidths J902 322 5 MHz I F In From A13 to A15 J903 Ext IF In From A13 to A15 Option EXM J1100 Aux I F Out To Rear Panel J1300 Switched I F Filter Out To...

Page 203: ... J700 Low Band Switch Logic Out To A11 J800 Mechanical Attenuator Logic Out To A9 A10 J301 Sweep Out Reserved for future use J102 R F Front End Logic Out To A13 J302 Preselector Tune Out N A test point only J300 YTF Bias Control Out To A12 J802 Low Noise Bypass Switch Logic Out To SW3 Option LNP J100 Motherboard Connector From A8 Table 6 2 A15 Connectors and Destinations A15 Connector Designation ...

Page 204: ...oard by itself using part number E4410 60115 When using the troubleshooting board and cables on a PXA the control logic for Input Attenuator A Input Attenuator B Low Band Switch and some of the power supplies can be verified The remaining control voltages and RF signals can be measured directly with a voltmeter oscilloscope or functioning spectrum analyzer In order to verify the wide bandwidth I F...

Page 205: ...A15 Front End Control Assembly Troubleshooting Verifying Input Attenuator A Input Attenuator B Low Band Switch Logic and Power Supplies 1 Turn off the instrument 2 Disconnect ribbon cables from A15J700 and A15J800 as shown Figure 6 2 Figure 6 2 Ribbon Cables at A15J700 and A15J800 ...

Page 206: ... Connect the end with the 20 pin connector to A15J800 Connect the two 10 pin connectors to either J3 or J4 of the RF Front End Troubleshooting board based upon the PXA s frequency range as described below 4 If the PXA has frequency range option 503 508 513 or 526 also connect the Low Band Switch Control Cable E4410 60160 between A15J700 and J2 of the RF Front End Troubleshooting board Do not conne...

Page 207: ...e 6 4 Figure 6 4 RF Front End Troubleshooting Board Placement 6 Turn the instrument on and allow it to complete its full boot up process to the Spectrum Analyzer application 7 Turn Auto Align off by pressing System Alignments Auto Align Off on the analyzer You may notice an Align Now All required message on the analyzer display This can occur when the test board is connected Resistors on the test ...

Page 208: ...e input attenuation is changed from 0 dB to 2 dB the 2 dB Step LED DS15 should illuminate When the input attenuation is changed from 2 dB to 4 dB DS15 and DS16 should be illuminated as per Table 6 5 If this is incorrect the most probable cause is the A15 Front End Control assembly The analyzer default setting for RF Coupling is AC mode Verify the AC Select LED DS14 is illuminated at this time Pres...

Page 209: ...ors that are actually installed If this occurs skip this procedure and troubleshoot the Low Band Switch Press AMPTD Attenuation 0 dB on the analyzer Attenuation LEDs DS14 through DS20 should be off When the input attenuation is changed from 0 to 8 dB in 2 dB steps LEDs DS14 through DS16 should be illuminated as per Table 6 6 When the input attenuation is set to 70 dB LEDs DS14 through DS16 should ...

Page 210: ...according to Table 6 7 If the LED s illuminate correctly the switch control logic for the input attenuators from the A15 Front End Control Assembly is correct If the LED s are not illuminating as expected the most probable cause is the A15 Front End Control Assembly Set the input attenuator back to 10 dB by pressing AMPTD Attenuation 10 dB on the analyzer Table 6 7 Input Attenuator B LED s Attenua...

Page 211: ...Ds illuminate correctly the switch control logic for the input attenuators from the A15 Front End Control assembly is correct If the LEDs are not illuminating as expected the most probable cause is the A15 Front End Control Assembly Set the input attenuator back to 10 dB by pressing AMPTD Attenuation 10 dB on the analyzer Table 6 8 Input Attenuator B LED s Opt 544 550 Attenuator Setting dB DS17 DS...

Page 212: ...Press FREQ 5 GHz on the analyzer Verify the voltages in Table 6 10 If the voltages are not correct the most probable cause is the A15 Front End Control board Disconnect RF Front End Troubleshooting Board You do not need the RF front end troubleshooting board to test out the remaining front end hardware components At this point it is advisable to shutdown the analyzer and disconnect the test board ...

Page 213: ...Troubleshooting A15 Front End Control Assembly Troubleshooting reconnect the PXA Low Band switch ribbon cable and the input attenuator ribbon that were originally plugged into the Front End Control board before testing the input attenuator and low band switch logic ...

Page 214: ...also need a Banana plug to BNC f adapter part number E9637A for the voltmeter The preselector tune output voltage can be measured to verify this portion of the A15 is functioning Press System Alignments Auto Align Off on the analyzer once it has fully booted to the spectrum analyzer application Press Span Zero Span on the analyzer The preselector tune output voltage in high band should change when...

Page 215: ... to measure the control current so if a high band issue is suspect it is recommended that the A15 is changed out first before changing the YTF since the A15 board has easy access Table 6 12 Preselector Tune Output Voltages Option 544 550 Center Frequency GHz Tune Voltage VDC Valid Frequency Range Option 5 0 0 9 544 550 10 0 1 8 544 550 15 0 2 7 544 550 20 0 3 6 544 550 25 0 4 6 544 550 30 0 5 5 54...

Page 216: ...Path Ctrl and select Standard Path SW3 will click again and return to the standard RF path Another way of testing this switch is using an RF signal This is described in the RF Section Troubleshooting chapter under the high band troubleshooting section Verifying SW1 and SW2 Option MPB only SW1 and SW2 can be verified three different ways Click Test Oscilloscope R F Signal Tracing Click Test This te...

Page 217: ...rified three different ways Click Test Oscilloscope R F Signal Tracing Click Test This test changes between two different path modes When this is done a distinct click noise from SW1 and SW2 or SW4 can be heard In the case of SW1 and SW2 since both switches switch at the same time it is difficult to decipher if one is switching and the other is not Press Mode Preset on the analyzer Press FREQ 5 GH...

Page 218: ... 7 illustrate the measurement location where the oscilloscope probe should be used to measure the logic There are two connector bodies with three wires each On one connector the three wires are green black and orange On the other connector the three wires are green black and yellow On each connector black is ground On analyzers with Option 508 513 and 526 both connectors are used one connects to S...

Page 219: ...Connector Location Option 544 550 Figure 6 7 Connector Close up To verify the control logic press Mode Preset on the analyzer Press FREQ 5 GHz SPAN 1 MHz AMPTD More 1 of 2 uW Path Ctrl Standard Path is selected by default Carefully place the scope probe tip on the conductive portion where the green wire goes into the connector see Figure 6 8 ...

Page 220: ...21 5 VDC steady state If both the green wires and the yellow or orange wires measure this pulse correctly the control logic from the A15 Front End Controller board is operating correctly The black wire is ground RF Signal Tracing Refer to Chapter 4 RF Section Troubleshooting RF Microwave Analyzers for this method of troubleshooting if you are unable to use an Oscilloscope Verifying Narrowband IF O...

Page 221: ...nts Auto Align Off Disconnect the cable marked J901 that plugs into the Front End Controller board and connect a functioning spectrum analyzer where the cable was plugged in J901 s I F output will vary depending on the I F path that is chosen Press Mode Setup IF Path and select 40 MHz If the switch path is working correctly in the A15 Front End Controller board the functioning spectrum analyzer sh...

Page 222: ...ptions installed in the analyzer Standard PXA No test to perform Verifying Option CR3 Press the following keys on the analyzer Mode Spectrum Analyzer Mode Preset Input Output RF Calibrator 50 MHz Freq 50 MHz Span 0 Hz System Alignments Auto Align Off Input Output More 1 of 2 Output Config Aux IF Out Second IF Connect the Aux I F Output on the rear panel to the RF Input of a functioning spectrum an...

Page 223: ... System Alignments Auto Align Off Input Output More 1 of 2 Output Config Aux IF Out Arbitrary IF The default is 70 MHz which can be measured on a functioning spectrum analyzer The amplitude level should be 35 dBm 3 dB as per Figure 6 10 With the Arbitrary IF as the active function you can vary the I F from 10 MHz to 70 MHz in 500 kHz steps and measure the Aux IF output The amplitude level should r...

Page 224: ...FREQ Channel and set the center frequency to 1 GHz Press Span Zero Span Input Output More Output Config Aux IF Out Fast Log Video Connect the rear panel Aux IF Out of the signal analyzer to a voltmeter set to measure DC volts Verify that signal level appears on the analyzer screen positioned 1 division below top graticule line Voltmeter should measure approximately 1 4 Vdc Reduce source output pow...

Page 225: ...s are found in this chapter A2 Analog IF Assembly Description on page 226 A2 Analog IF Assembly Theory of Operation on page 227 A2 Analog IF Troubleshooting on page 230 A3 Digital IF Assembly Description on page 237 A3 Digital IF Assembly Theory of Operation on page 238 A3 Digital IF Troubleshooting on page 240 Each of the following sections first describes how the assembly works then gives inform...

Page 226: ...l 22 5 MHz signal goes through a series of variable band pass filters each having a specific bandwidth Three things determine the signal path and which filters are chosen Instrument resolution bandwidth RBW setting Application used Mode applied This assembly contains one of the two burst carrier trigger BCT circuits for performing mobile communication measurements The BCT on the A2 assembly is rel...

Page 227: ...h path is selected in IQ Analyzer Mode and wide band demod The 12 MHz ceramic bandpass filter is used for normal Signal Analyzer swept and FFT operation The 300 kHz Surface Acoustic Wave SAW is used for ACP modes Mixer There are two mixers that reside on this assembly The first mixer is used to down convert the 322 5 MHz input to the final 22 5 MHz IF The other mixer is described in the IF Comb Ca...

Page 228: ... 5 MHz IF when using Signal Analyzer swept mode 1 LC wide 2 LC narrow 3 Crystal wide 4 Crystal narrow 5 Through path The LC wide signal path is used when the analyzer Res BW setting is 180 kHz to 390 kHz The LC narrow signal path is used when the analyzer Res BW setting is 30 kHz to 160 kHz The Crystal wide signal path is used when the analyzer Res BW setting is 4 3 kHz to 27 kHz The Crystal narro...

Page 229: ...nd demod The through path is selected when the image filter is in the 25 MHz mode for IQ Analyzer swept and wide band demod In all other cases the signal will pass through the second 12 MHz anti alias filter The step gain block provides an additional switchable 10 dB gain to overcome the ADC noise floor and provide an additional 2 dB of analyzer sensitivity Burst Carrier Trigger The Burst Carrier ...

Page 230: ...t Procedures in this service guide 3 Turn on the PXA Signal Analyzer and wait for the instrument to complete the boot up process 4 Press System Alignments Auto Align Off 5 Press Input Output RF calibrator 50 MHz 6 Verify the 50 MHz signal is at 25 dBm on the analyzer display by pressing FREQ 50 MHz SPAN 1 MHz Peak Search on the PXA The marker readout should be 50 MHz at 25 dBm 3 dB If this referen...

Page 231: ...oting 8 Carefully disconnect W25 cable at A15J900 as shown in Figure 7 1 Figure 7 1 A15 RF Front End Control Assembly 9 Connect A15J900 to a functioning spectrum analyzer using the appropriate MMCX connectors and cables 10 Press Freq 322 5 MHz Span 1 MHz Peak Search on the functioning spectrum analyzer ...

Page 232: ...25 to A15J900 IMPORTANT Measuring at this location is for convenience The 322 5 MHz signal is an output at A15J900 Since the W25 cable connects from this output to the input of the Analog I F assembly at A2J100 the small coaxial cable has not been tested at the A2J100 end If the 322 5 MHz signal is not measuring the correct power level refer to Chapter 4 RF Section Troubleshooting RF Microwave Ana...

Page 233: ... 50 MHz at 25 dBm 3 dB If this reference signal is measuring incorrectly see Chapter 4 RF Section Troubleshooting RF Microwave Analyzers in this service guide 7 To continue verifying press SPAN Zero Span Verify the input attenuator on the PXA is set to 10 dB Look near the top of the display near the center and verify that Atten 10 dB is visible If needed change the input attenuator by pressing AMP...

Page 234: ...ure 7 4 A2 Analog IF Output 12 If the 22 5 MHz signal is not measuring the correct power level do not assume the Analog IF is the most probable cause until the 3rd LO frequency and power level have been verified below 13 If the 22 5 MHz signal is within tolerance carefully reconnect the W42 cable to A3J19 You should hear a distinct snap when reconnecting the W42 cable If this cable is not installe...

Page 235: ...Assembly 1 Referring to Figure 7 5 carefully disconnect the W36 at A2J300 Figure 7 5 A2 Analog IF Cables 2 Connect the W36 cable to the MMCX female to SMA female adapter Use an appropriate cable to go from the SMA adapter to the RF input of a functioning spectrum analyzer 3 Press Freq 300 MHz Span 1 MHz Amplitude 10 dBm Peak Search on the functioning spectrum analyzer ...

Page 236: ... 10 dBm 3 dB as shown in Figure 7 6 Figure 7 6 300 MHz LO 5 If the 300 MHz signal is not measuring the correct power level see the A16 Reference Assembly troubleshooting section in this service guide 6 If the 300 MHz LO is measuring the correct power level and frequency and the 22 5 MHz signal is low the most probable cause is the A2 Analog IF assembly ...

Page 237: ...bandwidth of 40 MHz Each input has a separate ADC that processes the time domain continuous data into I Q in phase and quadrature signals before sending the data to the A4 CPU assembly for further processing and front panel display The Digital I F has the following main functions Digitizes the 22 5 MHz and the 250 MHz IF signals 16 bit ADC with a 100 MHz sample rate to digitize the 22 5 MHz IF 12 ...

Page 238: ...s in the dither signal The ADC is a 12 bit device sampling continuously at 200 Ms second Rear Panel Triggers The board has two trigger inputs and two trigger outputs all used via BNC connectors on the rear panel The trigger inputs are used when an external device has a trigger signal and the user wants to use that external trigger to trigger the signal analyzer The trigger outputs are used to sync...

Page 239: ...sed with the 346 series noise sources The Smart Noise Source SNS interface includes power switching for the 28 volt and 15 volt power supply In addition it has buffers to interface to the SNS I2C bus for control and read back of ENR data automatically The SNS connector is used with the SNS series noise sources DSP The signal from the ADC is sent to the Digital Signal Processor Digital Bus Common M...

Page 240: ...complete the boot up process 5 Press System Alignments Auto Align Off 6 Press Input Output RF Calibrator 50 MHz 7 Verify the 50 MHz signal is at 25 dBm by pressing FREQ 50 MHz SPAN 1 MHz Peak Search on the analyzer The marker readout should be 50 MHz at 25 dBm 3 dB If this reference signal is measuring incorrectly see Chapter 4 RF Section Troubleshooting RF Microwave Analyzers on page 147 in this ...

Page 241: ... at A3J19 Figure 7 7 A3 Digital IF Cables 10 Connect the W42 cable to the MMCX female to SMA female connector Use an appropriate cable to go from the SMA connector to the RF input of a functioning spectrum analyzer to verify the 22 5 MHz I F signal frequency and amplitude is correct 11 Press Freq 22 5 MHz Span 1 MHz Peak Search on the functioning spectrum analyzer ...

Page 242: ...nalyzer should read 22 5 MHz at 25 dBm 4 dB as shown in Figure 7 8 Figure 7 8 22 5 MHz IF Input 13 If the 22 5 MHz signal is not measuring the correct power level see A2 Analog IF Troubleshooting on page 230 in this service guide 14 If the 22 5 MHz signal is within tolerance carefully reconnect the W42 cable to A3J19 ...

Page 243: ...Output RF calibrator 50 MHz 8 Verify the 50 MHz signal is at 25 dBm by pressing FREQ 50 MHz SPAN 1 MHz Peak Search on the analyzer The maker readout should be 50 MHz at 25 dBm 3 dB If this reference signal is measuring incorrectly see Chapter 4 RF Section Troubleshooting RF Microwave Analyzers on page 147 in this service guide 9 To continue verifying press Meas IQ Waveform Verify the input attenua...

Page 244: ...Cables 11 Connect the W26 or W40 cable to the MMCX female to SMA female connector Use an appropriate cable to go from the SMA connector to the RF input of a functioning spectrum analyzer to verify the 250 MHz I F signal frequency and amplitude is correct 12 Press Freq 250 MHz Span 1 MHz Peak Search on the functioning spectrum analyzer ...

Page 245: ...nput 14 If the 250 MHz signal is not measuring the correct power level see A15 Front End Control Assembly Troubleshooting on page 204 in this service guide 15 If the 250 MHz signal is within tolerance carefully reconnect the W26 or W40 cable to A3J15 You should hear a distinct snap when reconnecting the cable If this cable is not installed properly intermittent signal fluctuations may occur on the...

Page 246: ... PXA Signal Analyzer and wait for the instrument to complete the boot up process 5 Press System Alignments Auto Align Off 6 Press Input Output RF calibrator 50 MHz 7 Referring to Figure 7 11 carefully disconnect W39 cable at A3J14 Figure 7 11 A3 Digital IF Cables 8 Connect the W39 cable to the MMCX female to SMA female connector Use an appropriate cable to go from the SMA connector to the RF input...

Page 247: ... See A16 Reference Assembly Troubleshooting on page 268 in this service guide 12 If the 22 5 MHz IF 250 MHz IF if appropriate and 100 MHz reference signals measure the correct frequency and amplitude and yet the display is not processing the signal properly the most probable causes are the A3 Digital IF or the A4 CPU It is difficult to separate these two assemblies given the architecture of the an...

Page 248: ...248 N9030B PXA Signal Analyzer Service Guide Analog Digital IF Troubleshooting A3 Digital IF Troubleshooting ...

Page 249: ...nce sections The following information is found in this chapter A14 LO Synthesizer Assembly Description on page 250 A14 LO Synthesizer Theory of Operation on page 251 A14 LO Synthesizer and A20 YTO Troubleshooting on page 254 A16 Reference Assembly Description on page 266 A16 Reference Assembly Troubleshooting on page 268 Each of the following sections first describes how the assembly works then g...

Page 250: ...guide The A14 LO Synthesizer has the following inputs and outputs Power Supply inputs Serial Bus input for LO Control Sweep input for LO Control 4800 MHz input signal from A16 Reference Assembly 100 MHz input signal from A16 Reference Assembly 1st LO output signal from A13 RF Front End Assembly Power and drive signals to the A20 YTO The input signals to the LO Synthesizer Assembly are the 4800 MHz...

Page 251: ...e splitter outputs is used for dual loop mode and the other output is used for single loop mode In single loop mode the 1st LO signal is divided by two yielding a range of 1 9 to 4 36 GHz and this divided signal is then fed to the fractional N divider The output of the fractional N divider feeds the other input to the main loop phase frequency detector The output of the phase frequency detector fe...

Page 252: ...ually comprised of two to four individual spans that are then cut and pasted together to yield the desired span Manual Selection of Single versus Dual Loop Operation The table below shows how the selections of Phase Noise Optimization sweep type and span affects the selection of single loop versus dual loop operation Note that this table assumes the RBW is auto coupled If the span is 10 MHz or zer...

Page 253: ...s either the 100 MHz reference divided by 2 single loop or the IF of the main loop mixer dual loop The Offset Loop is a very low phase noise phase locked loop with coarse frequency settability It is only used in dual loop operation Its output frequency is set to be typically 30 to 53 MHz above the desired 1st LO frequency but the difference will sometimes be 78 to 88 MHz to avoid causing spurs The...

Page 254: ...d the main loop is thus unlocked It is normal for DS3 to flash between sweeps when the Main Loop is relocking This can also occur during multiband sweeps For example sweeps which cross from one harmonic band to another such as from 2 GHz to 8 GHz dual loop spans between 2 5 MHz and 10 MHz DS4 green When lit indicates that the FPGA has been configured Press System Alignments Align Now All If the al...

Page 255: ...N9030B PXA Signal Analyzer Service Guide 255 LO Synthesizer Reference Troubleshooting A14 LO Synthesizer and A20 YTO Troubleshooting Figure 8 1 A14 LO Synthesizer Assembly ...

Page 256: ...oise or Best Wide Offset PNoise the 4800 MHz 1st LO Reference signal will be approximately 20 dB lower than required for proper dual loop operation 3 Disconnect W31 from A14J4 see Figure 8 2 Figure 8 2 Cable and LED Locations 4 Connect the end of W31 to the RF input of the functioning spectrum analyzer 5 Set the functioning spectrum analyzer to a center frequency of 4800 MHz and a span of 5 MHz Se...

Page 257: ...N9030B PXA Signal Analyzer Service Guide 257 LO Synthesizer Reference Troubleshooting A14 LO Synthesizer and A20 YTO Troubleshooting Figure 8 3 4800 MHz Wide Span ...

Page 258: ...is stable by pressing SPAN 50 kHz BW 1 kHz on the functioning spectrum analyzer The signal on the functioning spectrum analyzer should be very stable both in frequency and power as shown in Figure 8 4 8 Reconnect W31 A14J4 Figure 8 4 4800 MHz Narrow Span If the 4800 MHz signal is not measuring the correct power level see the A16 Reference Assembly Troubleshooting section later in this chapter ...

Page 259: ...er and wait for the instrument to complete the boot up process 2 Press FREQ 50 MHz SPAN Zero Span 3 Disconnect W32 from A14J10 see Figure 8 5 Figure 8 5 W32 Location 4 Connect the end of W32 to the RF input of the functioning spectrum analyzer 5 Set the functioning spectrum analyzer to a center frequency of 100 MHz and a span of 5 MHz Set the reference level to 20 dBm DS3 red LED will illuminate w...

Page 260: ... Synthesizer Reference Troubleshooting A14 LO Synthesizer and A20 YTO Troubleshooting 6 Press Peak Search on the functioning spectrum analyzer The analyzer marker should read 100 MHz at 13 dBm 3 dB as shown in Figure 8 6 Figure 8 6 100 MHz Wide Span ...

Page 261: ...is stable by pressing SPAN 50 kHz BW 1 kHz on the functioning spectrum analyzer The signal on the functioning spectrum analyzer should be very stable both in frequency and power as shown in Figure 8 4 8 Reconnect W32 A14J10 Figure 8 7 100 MHz Narrow Span If the 100 MHz signal is not measuring the correct power level see the A16 Reference Assembly Troubleshooting section later in this chapter ...

Page 262: ...sing a SMA m f elbow Connect a short SMA cable from one output of the directional coupler to A14J20 Connect another cable from the coupled output of the directional coupler to the input of the functioning spectrum analyzer These connections bypass the LO distribution amplifiers on the A13A1 RF Front End Assembly Figure 8 8 Directional Coupler Connection 6 Set the functioning spectrum analyzer to a...

Page 263: ...ons above do not indicate a failure but failures i e 1st LO unlocks do occur when the cables are connected normally i e with the A20 YTO output feeding the A13A1 RF Front End Assembly and A13A1 feeding the A14 LO Synthesizer the most probable cause is the LO distribution section on A13A1 Due to the nominal 10 dB coupling factor of the directional coupler the actual power at the YTO output will be ...

Page 264: ...ted LO Frequency GHz at Directional Coupler Output Expected LO Power at Directional Coupler Output Equivalent LO Power at YTO Output 0 050 5 1725 0 dBm 4 dB 10 dBm 4 dB 1 8 6 9225 0 dBm 4 dB 10 dBm 4 dB 3 5 8 6225 0 dBm 4 dB 10 dBm 4 dB Check the following frequencies on analyzers with Option 508 513 or 526 3 7 4 0225 0 dBm 4 dB 10 dBm 4 dB 4 3 4 6225 0 dBm 4 dB 10 dBm 4 dB 5 5 5 8225 0 dBm 4 dB 1...

Page 265: ...PXA Signal Analyzer Service Guide 265 LO Synthesizer Reference Troubleshooting A14 LO Synthesizer and A20 YTO Troubleshooting Figure 8 11 4 6225 GHz 1st LO Measurement Figure 8 12 7 3225 GHz 1st LO Measurement ...

Page 266: ... of two ways 1 The internal 10 MHz reference located on the A16 Main board 2 An externally provided reference such as a house standard or the reference from another instrument or a base transceiver system The external reference can be any RF signal in the range of 1 MHz to 50 MHz 5 dBm to 10 dBm If an external reference signal is within 200 Hz of the specified external reference frequency and Freq...

Page 267: ...5 100 MHz VCXO 2 100 MHz VCXO x 3 A13J6 50 MHz Cal Signal or 300 MHz Comb for wideband IF phase linearity 100 MHz LO Synth A16J706 100 MHz VCXO A14J10 100 MHz reference for both single loop and dual loop operation 100 MHz Ref A A16J707 100 MHz VCXO Not used Reserved for future use 100 MHz Ref B A16J716 100 MHz VCXO A3J14 Frequency reference for A3 Digital IF DIF assembly Divided by 10 on DIF to pr...

Page 268: ...Top Brace and Power Supply Bracket removal procedure on page 436 for details The board layout in Figure 8 13 and Figure 8 14 below identifies the input and output connectors and LEDs on the A16 Reference Assembly If the outputs measure correctly the A16 Reference Assembly is functioning correctly If not the Reference Assembly is the most probable cause provided the power supply is operating correc...

Page 269: ... Now All on PXA Figure 8 15 4 8 GHz 2nd LO Out A16J702 4800 MHz 11 dBm Press Freq 1 GHz Span Zero Span on PXA Figure 8 16 4 8 MHz 1st LO Ref Out A16J703 4800 MHz 3 dBm Press Freq 50 MHz Span Zero Span Meas Setup PhNoise Opt Best Close in PNoise on PXA Figure 8 17 50 MHz Ref Out A16J701 50 MHz 25 dBm Press Input Output RF Calibrator 50 MHz on PXA Figure 8 18 4 8 GHz Ref Out A16J701 4800 MHz 28 dBm ...

Page 270: ...270 N9030B PXA Signal Analyzer Service Guide LO Synthesizer Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8 15 50 MHz Ecal Out Figure 8 16 4 8 GHz 2nd LO Out ...

Page 271: ...N9030B PXA Signal Analyzer Service Guide 271 LO Synthesizer Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8 17 4 8 GHz 1st LO Ref Out Figure 8 18 50 MHz Ref Out ...

Page 272: ...272 N9030B PXA Signal Analyzer Service Guide LO Synthesizer Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8 19 4 8 GHz Ref Out Figure 8 20 2 4 GHz Ref Output ...

Page 273: ...N9030B PXA Signal Analyzer Service Guide 273 LO Synthesizer Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8 21 300 MHz LO AIF Figure 8 22 100 MHz Ref Out ...

Page 274: ...274 N9030B PXA Signal Analyzer Service Guide LO Synthesizer Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8 23 100 MHz Ref B Out ...

Page 275: ...GHz calibrator unleveled 2 Blinks 50 MHz calibrator unleveled 3 Blinks 300 MHz LO_AIF unleveled Off Normal locked A16DS7 Green Is the 100 MHz PLL Unlocked On Normal locked Off Fault unlocked A16DS8 Green Is the 100 MHz VCXO working On Yes alive Off Fault not alive A16DS9 Green Is Internal 10 MHz Reference On On Yes enabled Off No disabled Ext Ref Mode A16DS10 Green Is the 15V Standby supply workin...

Page 276: ...276 N9030B PXA Signal Analyzer Service Guide LO Synthesizer Reference Troubleshooting A16 Reference Assembly Troubleshooting ...

Page 277: ...re found in this chapter A4 CPU Description on page 278 A4 Processor Board Assembly Troubleshooting on page 280 A5 Disk Drive on page 291 Troubleshooting software related issues on page 293 Reloading the X Series Software on page 294 Disk Drive Recovery Process on page 295 Replacing the instrument disk drive on page 297 Each section first describes how the assembly works then gives information to ...

Page 278: ... issue Front Panel Interface The instrument USB bus is the electrical interface to the instrument front panel One of the USB ports on the host controller hub located on the A4 CPU board assembly is routed to the A1A2 Front Panel Interface board for this use The port is a High Speed USB 2 0 compliant port Graphics Controller The entire graphics subsystem is contained within a single chip along with...

Page 279: ... two 200 pin SODIMM memory modules While the memory controller chips do support a wide range of DDR memory types only memory fully qualified by Keysight Technologies is supported Full qualification includes mechanical vibration and shock thermal and power dissipation and the basic electrical characteristics The 200 pin SODIMM memory modules are not field replaceable All replacement A4 CPU board as...

Page 280: ...sed by a defective A4 Processor board assembly first see the PXA Instrument Boot Up Process on page 53 to eliminate other possibilities Remote Monitor Troubleshooting When an external monitor is connected to the analyzer the remote monitor should automatically begin working If the remote monitor does not function perform the following 1 Turn off the analyzer 2 Assure the external monitor has power...

Page 281: ...onal enough to enter the BIOS Setup Utility you will want to verify that the BIOS settings have not been changed The instrument was originally shipped with the settings shown in Figure 9 2 through Figure 9 20 Accessing BIOS Setup Utility serial numbers MY SG US51360000 To successfully navigate the BIOS Setup Utility you will need to have an external USB keyboard connected to the instrument Then wh...

Page 282: ...9030B PXA Signal Analyzer Service Guide CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 3 BIOS Setup Utility Information Figure 9 4 BIOS Setup Utility Information Version ...

Page 283: ... Signal Analyzer Service Guide 283 CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 5 BIOS Setup Utility Information System Monitors Figure 9 6 BIOS Setup Utility Configuration ...

Page 284: ...XA Signal Analyzer Service Guide CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 7 BIOS Setup Utility Configuration IDE Devices Figure 9 8 BIOS Setup Utility Configuration Video ...

Page 285: ...l Analyzer Service Guide 285 CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 9 BIOS Setup Utility Configuration Video IGD LCD Control Figure 9 10 BIOS Setup Utility Configuration USB ...

Page 286: ...Signal Analyzer Service Guide CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 11 BIOS Setup Utility Configuration LAN Figure 9 12 BIOS Setup Utility Configuration PCI Expansion Slot ...

Page 287: ...al Analyzer Service Guide 287 CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 13 BIOS Setup Utility Configuration Power Control Figure 9 14 BIOS Setup Utility Configuration Security ...

Page 288: ... PXA Signal Analyzer Service Guide CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 15 BIOS Setup Utility Configuration CPU Figure 9 16 BIOS Setup Utility Configuration Advanced ...

Page 289: ...gnal Analyzer Service Guide 289 CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 17 BIOS Setup Utility Configuration Advanced Keyboard Features Figure 9 18 BIOS Setup Utility Boot ...

Page 290: ...290 N9030B PXA Signal Analyzer Service Guide CPU Disk Drive Troubleshooting A4 Processor Board Assembly Troubleshooting Figure 9 19 BIOS Setup Utility Boot Boot Order Figure 9 20 BIOS Setup Utility Exit ...

Page 291: ...drive can be either hardware or software related The first step in troubleshooting is to determine if the failure is software related If software is found not to be the issue the disk drive should be replaced Before replacing the A5 disk drive it is highly recommended that the factory calibration data be backed up to an external drive if at all possible If this data is not backed up prior to repla...

Page 292: ...oftware that was previously installed into the instrument Do not save any user data to the C drive partition as any data saved in this partition will be lost if the Keysight Recovery process is run D This partition is reserved for data storage The User Accounts that are preconfigured by Keysight and their My Documents folder are mapped to the D drive This is for the convenience of backing up the u...

Page 293: ...be caused by either a failure of the Windows operating system or the X Series software The failure could have occurred due to a failed installation procedure X Series software update failure or a virus To correct these issues there are two procedures that can be initiated to resolve a software related issue Reload the X Series software Use the Recovery Process to reinstall the Windows operating sy...

Page 294: ...ns If the X Series software has become corrupt the Windows operating system will boot but the X Series software application will fail to start In these cases go to Chapter 19 Instrument Software for information on how to update the X Series software This procedure will not affect the instrument s calibration or user files If this does not resolve the boot issue or the instrument never boots the Wi...

Page 295: ...ws and Service Pack updates user accounts and windows configuration settings After an Keysight Recovery these configurations need to be redone Additional software that was installed after the instrument was shipped from the factory After an Keysight Recovery that software needs to be re installed Any data or programs saved on the D or E drives Any upgrades that were made to the Keysight measuremen...

Page 296: ...echnologies screen is displayed This screen is displayed for five seconds 3 When the Keysight Recovery System has booted follow the on screen instructions to recover the image of the C drive Press 2 then press Enter to select the recovery 4 A warning message appears Press Enter to start the recovery which may take up to 25 minutes to complete After exiting the Keysight Recovery System the instrume...

Page 297: ... Disk Drive Troubleshooting Disk Drive Recovery Process Replacing the instrument disk drive If the above two procedures did not resolve the booting issue The disk drive should be replaced Please refer to the Disk Drive replacement section on page 515 ...

Page 298: ...298 N9030B PXA Signal Analyzer Service Guide CPU Disk Drive Troubleshooting Disk Drive Recovery Process ...

Page 299: ...he Power Supply and Midplane sections This following descriptions are found in this chapter A6 Power Supply Description on page 300 A6 Power Supply Assembly Troubleshooting on page 304 A7 Midplane Board Assembly Description on page 307 A7 Midplane Board Assembly Troubleshooting on page 310 Each of the following sections first describes how the assembly works then gives information to help you trou...

Page 300: ...ed circuit boards microcircuit assemblies front panel display and fans any of which can cause an over current condition if not operating correctly The power supply will remain on in an over current state for a minimum of 1 second The power supply will turn off no later than 5 seconds after the beginning of the over current state Any one output over current condition will latch the supply off until...

Page 301: ...el of the instruments as well as on the power supply itself While there are no test points or status LEDs accessible for troubleshooting on the A6 Power Supply assembly there are both test points and status LEDs for all of the different power supply voltages as well as other power supply status lines on the A7 Midplane Board assembly See the A7 Midplane Board Assembly Description on page 307 for d...

Page 302: ... DITHER signal is generated on the A7 Midplane board assembly Control Status Outputs There are a number of control and status outputs for the A6 Power Supply assembly The ones that you will want to be familiar with are POWER_OK is used to verify that the 12VD 5 1VD and 3 35VD are all on and within specification A TTL high level on this output brings the CPU out of reset and initiates the instrumen...

Page 303: ... the power is turned off Over Current Protection The A6 Power Supply assembly has built in over current protection that will shut down the supply if current draw from the instrument is too great The power supply will remain on in over current state for a minimum of 1 second The power supply shall turn off no later than 5 seconds after the beginning of the over current state The power supply shall ...

Page 304: ...sembly as the cause of the failure Supply Voltages While there are no test points or status LEDs accessible for troubleshooting on the A6 Power Supply assembly there are both test points and status LEDs for all of the different power supply voltages as well as other power supply status lines on the A7 Midplane Board assembly See the A7 Midplane Board Assembly section in this chapter for detailed i...

Page 305: ...nstrument CPU will not come out of its reset state and will not boot up Once this output goes to a TTL high level the instrument CPU will start its boot up process and the POWER_ON_L line coming from the A4 Processor assembly will go to a TTL low level which will tell the A6 Power Supply assembly to turn on the rest of it output voltages If the A6 Power Supply assembly is suspected of causing the ...

Page 306: ...he instrument demanding too much current If this output is not at a TTL high level the A6 Power Supply assembly will not turn its non standby power supplies on no matter what the A4 Processor assembly tells it to do If the A6 Power Supply assembly is suspected of causing the instrument to not power on properly the status of this output line can be verified by either measuring the voltage level at ...

Page 307: ...rument power supply voltage test points and status LEDs 3 3V analog linear power supply regulation 3 3VA 5 2V analog linear power supply regulation 5 2VA Non volatile memory for storage of the instrument model number serial number and software license keys Secure Storage Power supply dithering A triangle wave of approximately 100 Hz is generated and goes directly to the A6 Power Supply assembly Th...

Page 308: ...mbly J112 A6 Power Supply Assembly J103 A6 Power Supply Assembly J201 A4 Processor Assembly J104 A6 Power Supply Assembly J202 A4 Processor Assembly J105 A6 Power Supply Assembly J203 A4 Processor Assembly J106 A6 Power Supply Assembly J204 A4 Processor Assembly J107 A6 Power Supply Assembly P1 A8 Motherboard Assembly J108 A6 Power Supply Assembly P2 A8 Motherboard Assembly J109 A6 Power Supply As...

Page 309: ...N9030B PXA Signal Analyzer Service Guide 309 Power Supply Midplane Troubleshooting A7 Midplane Board Assembly Description Figure 10 2 A7 Midplane Board Assembly Connections ...

Page 310: ...s have test points and LEDs on the A7 Midplane board assembly as seen in Figure 10 3 Instrument Secure Storage This is Non volatile storage of instrument model number serial number and software license keys While the license keys are also contained on the C drive of the instrument the model and serial numbers are only saved in this secure memory There is no way for the user to access this memory i...

Page 311: ...9VA 9 Volt Analog Supply ACOM A6 Red 0 Off 9 1 0 5 1VA 5 1 Volt Analog Supply ACOM A6 Red 0 Off 5 1 0 75 7VA 7 Volt Analog Supply ACOM A6 Red 0 Off 7 1 0 15VA 15 Volt Analog Supply ACOM A6 Red 0 Off 15 1 0 12VD 12 Volt Digital Supply DCOM A6 Red 0 Off 12 1 0 5 1VD 5 1 Volt Digital Supply DCOM A6 Red 0 Off 5 1 0 75 5 1VSB 5 1 Volt Standby Supply DCOM A6 Green 5 1 0 75 Green 5 1 0 75 3 35VD 3 35 Vol...

Page 312: ...COM A4 Off TTL High Green TTL Low POWER_SW_L Power Switch Pressed ACOM A4 n a TTL High Green TTL Highb a With AC mains connected to the instrument b POWER_SW_L should only be at a TTL Low state when the front panel power switch is being pressed Table 10 3 A7 Midplane Board LEDs and Test Points Supply Signal Description Referenced To Generated On Expected Status Power Offa Power On LED Test Point V...

Page 313: ...N9030B PXA Signal Analyzer Service Guide 313 Power Supply Midplane Troubleshooting A7 Midplane Board Assembly Troubleshooting Figure 10 3 A7 Midplane Board Assembly LEDs and Test Points ...

Page 314: ...314 N9030B PXA Signal Analyzer Service Guide Power Supply Midplane Troubleshooting A7 Midplane Board Assembly Troubleshooting ...

Page 315: ...owing information is found in this chapter 1 Theory of operation of the Motherboard Assembly 2 Theory of operation of the Front Panel Assembly 3 Isolating the cause of an hardware problem by verifying the functionality of assemblies This following descriptions are found in this chapter A8 Motherboard Description page 316 A1 Front Panel Assembly page 319 ...

Page 316: ...erboard is an electrical link between many of the electrical assemblies in the instrument The main functions of this PC board include Distribute power Control and common signals between all the measurement PC boards including the A7 Midplane and the Front Panel Assembly Circuitry for fan speed control 10 MHz Reference distribution Figure 11 1 Motherboard ...

Page 317: ...ignal Analyzer Service Guide 317 Front Panel Motherboard Troubleshooting A8 Motherboard Description The Motherboard is horizontally mounted located near the bottom of the analyzer Figure 11 2 Motherboard Connectors ...

Page 318: ...1 Motherboard Connector What Plugs In Motherboard Connector What Plugs In J2 A7 Midplane J21 A16 Reference J3 A7 Midplane J31 J32 Option Slots J4 A7 Midplane J41 J42 Option Slots J5 A7 Midplane J51 J52 Option Slots J6 B3 Fan J61 J62 Option Slots J7 B2 Fan J71 J72 Option Slots J8 B1 Fan J81 J82 Option Slots J9 Front Panel J91 J92 Option Slots J11 A3 Digital I F analog signals J101 A14 LO Synthesize...

Page 319: ... contains LCD control Inverter drive audio amplifiers internal speaker a 4 port USB hub and a USB keyboard microcontroller The two different front panel rubber keypads attach to the back side of the board which has the keyboard contacts printed on the reverse side The 4 ports from the USB hub contained on this board go to the 2 front panel USB connectors the keyboard microcontroller and the fourth...

Page 320: ...320 N9030B PXA Signal Analyzer Service Guide Front Panel Motherboard Troubleshooting A1 Front Panel Assembly ...

Page 321: ...ty of hardware options that can be purchased and installed at the time of new instrument sale or as a post sale upgrade Some of these hardware options require the installation of additional hardware and others require licensing hardware already present in the standard instrument hardware configuration A current list of all instrument options and retrofit requirements is available on the Keysight w...

Page 322: ...tronic Attenuator License Only Chapter 4 RF Section Troubleshooting RF Microwave Analyzers EXM External Mixing Additional Hardware Chapter 4 RF Section Troubleshooting RF Microwave Analyzers and Chapter 5 RF Section Troubleshooting Millimeter Wave Analyzers LNP Low Noise Path Bypasses A11 Low Band Switch used in high band only Additional hardware or license only depending on current instrument con...

Page 323: ...3 GHz License Only Chapter 5 RF Section Troubleshooting Millimeter Wave Analyzers P44 Preamp 100 kHz to 44 GHz License Only Chapter 5 RF Section Troubleshooting Millimeter Wave Analyzers P50 Preamp 100 kHz to 50 GHz License Only Chapter 5 RF Section Troubleshooting Millimeter Wave Analyzers RTL Data Link that enables rear panel Digital Bus connector License Only RTS Streaming License and Hardware ...

Page 324: ...ency by the A13 Front End assembly and routed through the A15 Front End controller to A15J901 Cable W41 connects A15J901 to the input of the A25 Wideband Analog IF at J101 The signal is filtered attenuation and gain applied based upon the instrument settings This signal is then sampled by the ADC and the resultant data is the sent to the A26 Wideband Digital IF for processing via the W44 flex circ...

Page 325: ...Chapter 12 325 Hard ware Options A25 Wideband Analog IF Troubleshooting Option B1X and B85 Figure 12 1 Analog IF Block Diagram Option B1X and B85 ...

Page 326: ...rest Precision alignments are used to calibrate the filters attenuators and gain of this assembly It is not uncommon that the reported failure will come from failures reported when an alignment fails for this assembly The alignment history file is a good indicator of a failure for this assembly This file is a text file that can be edited with Notepad The file is located in the following location E...

Page 327: ...zer and wait for the instrument to complete the boot up process 4 Press System Alignments Auto Align Off 5 Press Mode IQ Analyzer 6 Press Meas Complex Spectrum 7 Press Input Output RF Calibrator 50 MHz 8 Press Mode Setup IF Path 160 MHz or 85 MHz 9 Verify the 50 MHz signal is at 25 dBm on the analyzer display by pressing FREQ 50 MHz SPAN 1 MHz Peak Search on the analyzer The marker readout should ...

Page 328: ... System Alignments Auto Align Off 5 Press Mode IQ Analyzer 6 Press Meas Complex Spectrum 7 Press Input Output RF Calibrator 50 MHz 8 Press Mode Setup IF Path 160 MHz 9 Verify the 50 MHz signal is at 25 dBm on the analyzer display by pressing FREQ 50 MHz SPAN 1 MHz Peak Search on the analyzer The marker readout should be 50 MHz at 25 dBm 3 dB If this reference signal is measuring incorrectly see Ch...

Page 329: ...rument up as below 1 Turn on the signal analyzer and wait for the instrument to complete the boot up process 2 Press System Alignments Auto Align Off 3 Press Mode IQ Analyzer 4 Press Meas Complex Spectrum 5 Press Input Output RF Calibrator 50 MHz 6 Press Span 10 MHz 7 Press Mode Setup IF Path 85 MHz or 160 MHz 8 Verify the 50 MHz signal is at 25 dBm on the analyzer display by pressing Peak Search ...

Page 330: ...e resultant data is the sent to the A26 Wideband Digital IF Option B2X for processing via the flex circuit cable If the instrument has Option B5X 510 MHz Analysis BW the resultant data is sent to the A26 and A27 Wideband Digital IF boards The A26 and A27 Wideband Digital IF have no service accessible locations and should be troubleshot from the front panel controls If the analyzer is using the Opt...

Page 331: ...Chapter 12 331 Hard ware Options A25 Wideband Analog IF Troubleshooting Option B2X and B5X Figure 12 2 Analog IF Block Diagram Option B2X and B5X ...

Page 332: ...r 877 148 MHz IF signal from A15J901 Front End Controller A25J4 2400 MHz reference from A16 Reference Assembly via W69 cable A25J2 Calibrator signal from A3J17 40 MHz Digital IF via W72 cable Outputs from the A25 Assembly A25J3 2400 MHz Reference Out A25J18 300 MHz IF Out to A3J16 of the 40 MHz Digital IF A25J1 Calibrator Out to A16 Reference assembly A16J726 via W68 cable ...

Page 333: ...sembly The alignment history file is a good indicator of a failure for this assembly This file is a text file that can be viewed using a text editor The file is located in the following location E AlignDataStore AlignmentHistory txt This file will list all alignments that have passed or failed Alignments reporting a failure of the WBAIF assembly can in many cases be attributed to failure of this a...

Page 334: ...lign Off 5 Press Mode Meas IQ Analyzer Basic Complex Spectrum OK 6 Press Input Output RF Calibrator 50 MHz 7 Press Frequency hard key and set the center frequency to 50 MHz 8 Press Meas Setup IF Path Tap IF Path and choose 255 MHz or 510 MHz from the drop down menu If Option B5X 510 MHz is installed there is no 255 IF Path selection Choose 510 MHz in this case 9 Verify the 50 MHz signal is at 25 d...

Page 335: ...15J901 Front End Controller If this signal is not present verify the signal is present on A15J901 of the A15 Front End Controller Verify the 2400 MHz Frequency Reference 1 Turn the instrument off 2 Remove the instrument cover Refer to Chapter 16 Assembly Replacement Procedures in this service guide 3 Turn on the signal analyzer and wait for the instrument to complete the boot up process 4 Press Sy...

Page 336: ...336 N9030B PXA Signal Analyzer Service Guide Hardware Options A25 Wideband Analog IF Troubleshooting Option B2X and B5X Figure 12 4 2400 MHz Signal ...

Page 337: ...t the instrument up as below 1 Turn on the analyzer and wait for the instrument to complete the boot up process 2 Press System Alignments Auto Align Off 3 Press Mode IQ Analyzer 4 Press Meas Complex Spectrum 5 Press Input Output RF Calibrator 50 MHz 6 Press Span 10 MHz 7 Press Mode Setup IF Path 255 MHz or 510 MHz 8 Verify the 50 MHz signal is at 25 dBm on the analyzer display by pressing Peak Sea...

Page 338: ...alanced for the two input channels Accommodates 1MW and 50W input paths Converts all signals to a differential format with a 2 5V common mode voltage to route to the BBIQ Main board over a 60 pin micro coaxial connector at J1 Power and control for the BBIQ Interface board are provided from the BBIQ Main board via a ribbon cable though some of the power supplies are locally regulated on the BBIQ In...

Page 339: ... Contains FPGA field programmable gate arrays Provides LED control to the LED board Receives I I Q and Q data from BBIQ Interface board Controls 9 relays on the BBIQ Interface board Provides probe identification for system use Overload detection On board relay control for various gain stages Variable gain stages Provides square wave calibrator output signal to BBIQ Interface board Dither 10 MHz in...

Page 340: ...ill see both WB Analog IF and WB Digital IF listed If Option B5X is installed you will see two WB Digital IF assemblies listed The signal analyzer must contain the Wideband Digital IF Extension board This board is also listed in the Show Hardware screen as WB DIF Extension The Wideband Digital IF Extension board is only present when Option RTS is installed in the instrument and is located at the r...

Page 341: ...ital Bus On to activate the rear panel Wideband Digital Bus connectors and then verify that the green Stream LED next to the I output connector on the rear panel is illuminated There is no easy way to determine if the I and Q data at the rear panel is correct However if the instrument can complete the power on tests and alignments without an error and you perform the functionality test above Optio...

Page 342: ...342 N9030B PXA Signal Analyzer Service Guide Hardware Options Option RTS Streaming ...

Page 343: ...agram RF Highband Path 2 Block Diagram mmW Lowband Path Block Diagram mmW Highband Path 1 Block Diagram mmW Highband Path 2 Block Diagram mmW Highband Path 3 Block Diagram RF Lowband Path Opt EP0 and B2X Block Diagram RF Lowband Path Opt EP0 and B5X Block Diagram mmW Highband Path Opt EP0 and B5X Block Diagram Reference and Synthesizer Block Diagram Analog IF Block Diagram Digital IF Block Diagram...

Page 344: ...344 N9030B PXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Block Diagrams ...

Page 345: ... J300 J302 1 4 2 3 W54 W13 W14 W10 Preselector W15 W52 J3 J3 J5 J10 J11 J6 ATTENUATOR CONTROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL X2 LOG DET J ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels base...

Page 346: ...CTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL X2 LOG DET J RF Input VCO 10 to 10 mA DAC DAC SWITCHED FILTER CONTROL IF OUT from A13A1J7 NOTE Power levels based on these settings Mode Spectrum Analyzer unless specified differently RF Calibrator 4 8 GHz Center Frequency 4 8 GHz Span 0 Hz Input Attenuation 10 dB Preamp OFF Auto Align OFF after initial Auto Align AUX IF OUT is only available with Opt...

Page 347: ...ROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL X2 LOG DET J ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL IF OUT from A13A1J7 NOTE Power levels based on these settings Mode Spectrum Analyzer unless specified differently Input Signal 20 GHz 25 dBm Ce...

Page 348: ...J300 J302 1 4 2 3 W54 W62 W61 W60 Preselector W52 J3 J3 J5 J10 J11 J6 ATTENUATOR CONTROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL LOG DET J ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels based on the...

Page 349: ...1 J300 J302 1 4 2 3 W54 W62 W61 W60 Preselector W52 J3 J3 J5 J10 J11 J6 ATTENUATOR CONTROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL LOG DET J ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels based on t...

Page 350: ...2 1 4 2 3 W54 W62 W61 W60 Preselector W52 J3 J3 J5 J10 J11 J6 ATTENUATOR CONTROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL LOG DET J ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels based on these setti...

Page 351: ...1 J300 J302 1 4 2 3 W54 W62 W61 W60 Preselector W52 J3 J3 J5 J10 J11 J6 ATTENUATOR CONTROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL LOG DET J ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels based on t...

Page 352: ... J10 J11 J6 ATTENUATOR CONTROL LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS CONTROL PRESELECTOR DRIVER CONTROL X2 LOG DET ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels based on these settings Mode Spectrum Analyzer unless otherwise noted...

Page 353: ...L LOW BAND SWITCH BYPASS CONTROL LOW BAND SWITCH CONTROL PRESELECTOR BYPASS B5X FILTER CONTROL PRESELECTOR DRIVER CONTROL X2 LOG DET ALIGNMENT THERMOMETER RF Input IQ Modulator BP F1 BP F2 YTO Driver VCO 10 to 10 mA DAC DAC LO DISTRIBUTION SWITCHED FILTER CONTROL SWEEP RAMP IF OUT from A13A1J7 NOTE Power levels based on these settings Mode Spectrum Analyzer unless otherwise noted RF Calibrator 50 ...

Page 354: ...F after initial Auto Align Note The 10 MHz IF path is default Set IF path by pressing Mode Meas IQ Analyzer Basic Meas Setup IF Path Signal levels above 3 GHz include cable loss of measuring system FOOTNOTES 1 IF Path IF Freq Mode 10 MHz 25 MHz 40 MHz 255 MHz 510 MHz 750 MHz 877 148 MHz IQ IQ 322 5 MHz SA or IQ 322 5 MHz IQ 250 MHz IQ BIAS TEE MIXER BIAS AMP BIAS PREAMP BIAS E ATTEN CONTROL SWITCH...

Page 355: ...r 33 3 MHz SWITCHED BPF 1 14 to 2 3 GHz 3 8 TO 8 73 GHz A20 YTO A13A1 Front End J1 J4 J10 FN CONTROLLER MAIN LOOP CONTROL from A8 W31 4800 MHz 1st LO Ref from A16 100 MHz LO SYNTH Ref from A16 W32 Serial Bus Sync Swp Signals From Serial Offset PLL FPGA LO CONTROLLER Pretune DAC FRACTIONAL N DIVIDER YTO MAIN and FM COIL DRIVERS Single Loop 50 MHz Note 3 Note 3 16 6 or 33 3 MHz Single Loop Dual Loop...

Page 356: ...356 N9030B PXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Analog IF Block Diagram ...

Page 357: ...N9030B PXA Signal Analyzer Service Guide 357 Block Diagrams Block Diagrams Digital IF Block Diagram ...

Page 358: ...358 N9030B PXA Signal Analyzer Service Guide Block Diagrams Block Diagrams PXA Computer Block Diagram ...

Page 359: ...trolling Access There are two levels of service and diagnostics capabilities 1 Regular access to diagnostic capabilities that everyone is allowed access Care may be required to use a feature appropriately This is the Diagnostic type of Service capability defined above 2 Secure service access to the Service menu This prevents the casual user from accessing and using these features It is intended to...

Page 360: ... Secure service access To access the secure service capabilities press System More Service with the instrument application running At this point you will see the window shown in Figure 14 1 Enter the Service Code and press Enter The Service Code is 2061 Figure 14 1 Service Code Entry ...

Page 361: ... Lock Nulling Band Lock 1 for no lock 1 Lock Funcs Low Noise Path Normal Nulling More Timebase Service Corrections Lock Functions Align LO Control 1 of 2 LO Control Second LO Gain DAC 0 Ext LO Turnoff 2 for unlock 0 This menu is only available on the Factory Image or with specific logins some logins require a Service Guide for entry TG Band Lock 1 for no lock 1 Lock On Normal Low Noise Path Lock O...

Page 362: ...ervice and Diagnostics Menus Menus Service Alignments Diagnostics Align Subsystem Align Log Visible Align On Off Diagnostics Align Log Mode Clear Append Subsystem ADC LO IF RF Current System Gain Current IF Flatness IF IF LO Phase Noise Adjustment ...

Page 363: ...N9030B PXA Signal Analyzer Service Guide 363 Service and Diagnostics Menus Menus Service Diagnostics Diagnostics Show Software Show Software ...

Page 364: ...364 N9030B PXA Signal Analyzer Service Guide Service and Diagnostics Menus Menus Diagnostics in System menu Diagnostics Show Hardware Statistics Show Hardware Statistics screen ...

Page 365: ...N9030B PXA Signal Analyzer Service Guide 365 Service and Diagnostics Menus Menus Figure 14 2 Hardware Statistical Information ...

Page 366: ... is performed by changing the DAC setting controlling the reference Once the reference is adjusted to the proper frequency the DAC value can be saved in non volatile memory by pressing the Save menu key Save Saves the current Timebase DAC setting in the appropriate cal file The operator is presented a prompt to confirm the operation If the Timebase DAC value has been changed but no Save operation ...

Page 367: ...d or not applied to facilitate troubleshooting the cause of flatness related problems Flatness Video Shift On Off The Flatness Video Shift turns off the corrections for gain vs frequency It does not turn off the corrections for changes in the analog IF gain that accompany flatness changes This function turns both the gain and video shift on or off but does not affect the temperature corrections Wh...

Page 368: ...se alignments for more accurate troubleshooting Use IF Flatness ON OFF to control the IQ alignment When Snapshot Alignments are OFF the Advisory Event Snapshot OFF will be displayed When Snapshot Alignments are ON the Advisory Event Snapshot OFF will be cleared I Q Freq Response This function turns the corrections related to I Q Frequency Response On or Off This is only available with the Baseband...

Page 369: ...d 6 When band lock is not in affect the Advisory Event Band Locked Band x is cleared Dependencies Couplings 1 Band Lock is only available on analyzers with frequency range options beyond 3 6 GHz 2 The individual bands available for selection also depends upon the particular frequency range option Off Turns Band Lock to Off Analyzer will tune from band to band normally Band 0 Locks the analyzer to ...

Page 370: ...d x where x is a value between 0 and 6 When band lock is not in affect the Advisory Event LO Band Locked Band x is cleared Dependencies Couplings LO Bandlock will be grayed out if Bandlock is OFF If Harmonic Bandlock is any setting other than OFF LO Bandlock menu key is enabled If LO Bandlock is other than OFF and the Harmonic Bandlock is transitioned to OFF the LO Bandlock is set to OFF Off Turns...

Page 371: ... provides the ability to adjust the output gain of the 2nd LO DAC The range is from 0 to 4095 where 0 is the minimum gain and 4095 is the maximum gain Setting a value of 4096 or greater returns control to the instrument In External Mixing this DAC controls the level of the 1st LO signal at the front panel EXT MIXER connector External LO Turnoff Disconnects the 1st LO path which will minimize the e...

Page 372: ...performed into a log The log can be configured to operate in clear or append mode In clear mode the log only contains information on the last alignment performed the log is cleared with each alignment performed In append mode each new alignment appends to the log In append mode care must be taken by the operator to not allow the log to grow to a size so large as to inhibit system operation Subsyst...

Page 373: ...rom the beginning A failure of IF will set the Error Condition Align IF failed A failure will not employ new IF alignment data Successful completion of IF will clear the Error Condition Align IF failed and clear bit 6 in the Status The Advisory Event Alignment complete is displayed when the alignment is complete Align IF can be interrupted by pressing the Cancel ESC front panel key When this occur...

Page 374: ...splayed when the alignment is complete Align Current System Gain can be interrupted by pressing the Cancel ESC front panel key When this occurs no new Current System Gain alignment data will be employed LO Phase Noise Adjustment Immediately executes an optimization for LO Phase Noise When the optimization is finished the value is stored in non volatile memory The instrument will stop any measureme...

Page 375: ...de 375 Service and Diagnostics Menus Service Key Descriptions Pressing Diagnostics in the Service Menu brings up the Service Diagnostics submenu The functions in this menu allow the technician to do more detailed lower level troubleshooting ...

Page 376: ...ftware that comprises the embedded application and programmable hardware devices FPGAs and PLDs Figure 14 3 Example Screen The software name is left justified with the revision information right justified This is a multi page list with Next Page and Previous Page menu key control in accordance with other text screens Show Systems Show Errors etc Show Hardware Screen Press System Show Hardware ...

Page 377: ...s 544 550 page 404 Figure 15 8 Front End Parts Options 503 508 513 526 EP1 page 406 Figure 15 9 Front End Parts Options 544 550 EP1 page 407 Figure 15 10 Front End Parts Options 503 508 513 526 EP0 B2X page 408 Figure 15 11 Front End Parts Options 544 550 EP0 B2X page 409 Figure 15 12 Front End Parts Options 544 550 EP0 B5X page 410 Figure 15 13 Front End Cables A14 Synthesizer shown is Option EP1...

Page 378: ...ts What You Will Find in This Chapter Figure 15 21 Motherboard page 422 Figure 15 22 Chassis page 423 Figure 15 23 Fan Hardware page 424 Figure 15 24 Input Connector page 425 Figure 15 25 Front Frame Parts page 426 Figure 15 26 Front Frame Exploded View page 427 ...

Page 379: ... the parts you are interested in cannot be found in the parts list provided contact your local Keysight Technologies sales and service office with the following information Product model number Product serial number Description of where the part is located what it looks like and its function if known Quantity required For a list of Keysight Technologies sales and service office locations refer to ...

Page 380: ...I Gasket short 2 included 8160 1998 Front Frame Side Trim Strips plastic 2 ea N9020 40018 Side trim phantom gray adhesive 2 included 5041 7905 Side trim adhesive backed 2 included 5041 7905 Top trim N9020 40005 Cover Plate N9020 00002 Screw flat head M3 x 0 5 6 mm long 2 included 0515 1946 Display Boot N9020 40002 Hole Plug 0 25 inch 2 included 6960 0076 The following are in the kit but not instal...

Page 381: ...t front panel shield N9020 00064 A1MP11 Display Bracket Front Panel N9020 00063 A1MP13 RPG Knob W1312 40179 A1MP14 Shield N9020 00066 A1MP16 Core Bracket Option BBA N9020 00012 A1MP17 Overlay BBIQ Bottom Option BBA N9020 80166 A1MP18 Overlay BBIQ Top Option BBA N9020 80163 A1W1 Flex Circuit Display to Front Panel Control Board N9020 60273 A1W2 Cable Assembly Backlight N9020 60217 A2 Analog IF Asse...

Page 382: ... dB Options 544 550 33325 60020 A11 Low Band Switch Assembly Option 503 E4410 60121c Options 508 513 526 E4410 60121 Options 544 550 N9020 60051 A12 YTF Preselector Options 503 508 513 526 5087 7382 YTF Preselector Options 544 550 5087 7383 A12MP1 Gap Pad for A12 mounting 5022 7179 A13 Front End Assembly Options 503 508 513 526 N9020 60143 Front End Assembly Options 503 508 513 526 with Option B2X...

Page 383: ...4 Reserved A25 Wideband Analog IF Option B1X N9020 60044 Wideband Analog IF Option B2X or B5X N9020 60043 A26 Wideband Digital IF Option B1X or B2X N9020 60311 A27 Wideband Digital IF Option B5X N9020 60311 A28 Wideband DIF Extension Board Option RTS N9020 60272 A28A1 Gasket EMI for WB DIF Extension Option RTS N9020 20178 B1 B2 B3 Fan 3160 4199 FL2 7 2 GHz bandpass filter connects to semi rigid fr...

Page 384: ...LNP 87222 60029 SW4 Switch Transfer used for Microwave Preselector Bypass Options 544 550 with Options MPB 87222 60031 SW5 Switch Coax on Option B5X Front End Assembly N1810 60102 SW6 Switch Coax on Option B5X Front End Assembly N1810 60102 50 ohm Termination SMA male used on A13 J8 1810 0118 Chassis Base N9020 00015 Gusset Chassis near RF input connector W1312 00093 Chassis Side Left inner W1312 ...

Page 385: ... 550 with Options LNP or MPB N9020 00021 Shield YTO Top N9020 00005 Shield YTO Bottom N9020 00006 Shield Magnetic Attenuator A Options 544 550 N9020 00043 Shield Magnetic Attenuator B Options 544 550 N9020 00044 Top Brace Assembly includes 4 each Vibration Mounts 0460 2725 N9030 60005 Vibration Mounts 0460 2725 Spiral Wrap 0 250 IN OD 0 160 IN ID for Digital IF cables 0890 0025 Cable tie 0 062 0 6...

Page 386: ...ttenuator A Options 544 550 N9020 20173 W3 Cable semi rigid Cal In to attenuator Reference Assy J701 to Attenuator A Options 503 508 513 526 N9020 20023 Cable semi rigid Cal In to attenuator Reference Assy J701 to Attenuator A Options 544 550 N9020 20072 W4 Cable semi rigid Attenuator B to Attenuator A Options 503 508 513 526 N9020 20025 Cable semi rigid Attenuator B to Attenuator A Options 544 55...

Page 387: ...526 with Option LNP or MPB E4410 20165 W15 Cable semi rigid Switch 1 port C to Front End assy RF input J9 Options 503 508 513 526 with Option LNP or MPB E4410 20164 W16 Cable IF Out from Front End Assy J7 to Front End Control J902 8121 1862 W17 Spare W18 Cable semi rigid 2nd LO In Reference Assy J702 to Front End Assy J1 N9020 20022 W19 Cable semi rigid AUX LO Out from Front End Assy J3 to Switche...

Page 388: ... 100 MHz Reference Assy J706 to LO Synthesizer J10 8121 1401 W33 Cable coax 50 MHz Align Front End Assy J6 to Reference Assy J705 8121 1940 W34 Cable coax 2400 MHz Reference Assy J718 to Wide Band A IF J301 Option 1BX 8121 0152 W35 Cable Assembly flexible coax A19J101 BBIQ Main Board to A16J707 Reference Board Option BBA 8121 1401 W36 Cable coax 300 MHz Reference Assy J711 to Analog IF J300 8121 1...

Page 389: ...144 W54 Cable semi rigid Switch 3 port 3 to A11 Low Band Switch J3 Options 503 508 513 526 with Option LNP or MPB N9020 20145 Cable semi rigid Switch 3 port 3 to A11 Low Band Switch J3 Options 544 550 with Option LNP or MPB N9020 20127 W55 Cable ribbon Low Band Switch Bypass Control Switch 3 to A15 Front End Controller J802 Options 503 508 513 526 with Option LNP or MPB N9020 60087 Cable ribbon Lo...

Page 390: ... Assembly Option B2X or B5X 8121 0152 W69 Cable Coax A16J718 Reference Assembly to A25J4 WB A IF Assembly Option B2X or B5X 8121 0152 W70 Cable Coax A25J17 WB A IF Assembly to A15J901 Front End Controller Option B2X or B5X 8121 1865 W71 Cable Coax A25J18 WB A IF Assembly to A3J15 Digital IF Assembly Option B2X or B5X 8121 1401 W72 Cable Coax A25J2 WB A IF Assembly to A3J17 Digital IF Assembly Opti...

Page 391: ...Assembly to A20 YTO Assembly output Options 503 508 513 526 with Option EP0 N9020 20302 Cable Semi rigid A14J2 Synthesizer Assembly to A20 YTO Assembly output Options 544 550 with Option EP0 N9020 20298 W84 Cable Semi rigid SW6 port C to A13 IF IN J11 Options B5X 508 513 526 N9020 20265 Cable Semi rigid SW6 port C to A13 IF IN J11 Options B5X 544 550 N9020 20276 a Included but not required for use...

Page 392: ...t Inverter Bottom Shield 8 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Bottom Chassis Front Side Brackets 15 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Front Bracket Chassis 10 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Gusset Chassis 3 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Side Right Outside Chassis 8 0515 0372 M3 X 0 5 8 mm long Tor...

Page 393: ...nch lbs External Reference BNC Rear Panel 1 2190 0102 Lock Washer n a n a 1 0590 2332 Hex Nut 9 16 Nut Driver 21 inch lbs Fan Fan Bracket 4 per 0361 1272 Rivets n a n a Fan Assembly Chassis 7 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Front Frame Assembly Chassis 8 0515 2032 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Front Panel Connector Cover Plate Front Frame 2 0515 1227 M3 X 0 5 6 mm long ...

Page 394: ... T 10 9 inch lbs Motherboard 4 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Motherboard Chassis Bottom 4 0515 0372 M3 X0 5 8 mm long Torx T 10 9 inch lbs Power Supply Bracket Chassis 8 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Power Supply 3 0515 1946 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Preselector Bypass Switch Option 508 513 526 Preselector Bypass Switch Bracket 2 per 0515 1992 ...

Page 395: ...mm long Torx T 10 9 inch lbs RF Input Connector Chassis 2 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Strap Handles Chassis Side 2 per 0515 0710 M4 X 0 8 18 mm long Torx T 20 21 inch lbs Top Brace Chassis 12 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis PCB Assemblies 12 0515 1946 M3 X 0 5 6 mm long Torx T 10 9 inch lbs Transfer Switch Transfer Switch Bracket 3 0515 1934 M2 5 X 0...

Page 396: ... 0 5 8 mm long Torx T 10 9 inch lbs YIG Tuned Oscillator Assembly Chassis 2 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs YIG Tuned Oscillator Top Shield YIG Tuned Oscillator 2 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Table 15 2 Attaching Hardware Attach To Qty Part Number Type Tool Torque ...

Page 397: ... Digital IF Assembly 2 A4 CPU Board without A5 drive or drive tray parts includes battery and SD memory card 3 A6 Power Supply 4 A7 Midplane Assembly 5 A16 Reference Assembly Standard Option EP1 6 A25 Wideband Analog IF Option B1X 7 A26 Wideband Digital IF Option B1X or B2X 8 A19 BBIQ Main Board Option BBA 9 A14 Synthesizer Assembly Standard Option EP1 10 A15 Front End Controller ...

Page 398: ...Figure 15 2 External Hardware Table 15 4 External Hardware Item Description Keysight Part Number 1 2 Strap Handle includes screws N9020 60253 3 Screw M4 X 0 7 25 mm long Flat Washer 0515 1619 3050 0893 4 Rear Feet 5041 7903 5 Dress Cover N9020 00069 6 Bottom Feet 5041 7906 ...

Page 399: ...ly Item Description Keysight Part Number 1 A4 CPU Board without A5 drive or drive tray parts includes battery and SD memory card N9020 60247 2 A4A2 Memory card SD 1819 1069 3 A4A1 Disk Drive Interconnect Board W1312 63079 4 Screw M3 x 0 5 8 mm long 0515 0372 5 A4BT1 Battery CPU 3V LI Manganese Dioxide 1420 0356 CR2032 ...

Page 400: ...ve Tray Assembly Item Description Keysight Part Number 1 A5 Disk Drive N9020 60343 2 A5MP1 Disk Drive Tray W1312 40078 3 A5MP2 Disk Drive Rear Panel W1312 00103 4 A5MP3 Disk Drive Assembly Handle 1440 0421 5 Screw M3 x 0 5 8 mm long 0515 1035 Flat head 6 Screw M2 5 x 0 45 5 mm long 0515 2219 7 Screw M3 x 0 5 6 mm long 0515 1227 ...

Page 401: ...Top Brace and Reference Bracket Item Description Keysight Part Number 1 Top Brace Assembly includes 4 each Vibration Mounts 0460 2725 N9030 60005 2 Bracket Power Supply W1312 00131 3 Screw M3 X 0 5 8 mm long 0515 0372 4 Screw M3 X 0 5 6 mm long 0515 1946 5 Screw M3 X 0 5 8 mm long 0515 0372 4 Screw M3 X 0 5 8 mm long 0515 1946 ...

Page 402: ...402 N9030B PXA Signal Analyzer Service Guide Replaceable Parts Hardware Figure 15 6 RF Area Options 503 508 513 526 ...

Page 403: ...13 526 N9020 20023 W4 Cable semi rigid Attenuator B to Attenuator A Options 503 508 513 526 N9020 20025 W5 Cable Ribbon Attenuator A B to Front End Controller J800 E4410 60157 W6 Cable semi rigid Attenuator B to Low Band Switch Options 503 508 513 526 without Option MPB or LNP N9020 20024 W7 Cable ribbon Lowband Switch J4 to Front End Controller J700 N9020 60092 W8 Cable semi rigid Front End assy ...

Page 404: ...404 N9030B PXA Signal Analyzer Service Guide Replaceable Parts Hardware Figure 15 7 RF Area Options 544 550 ...

Page 405: ...9020 20173 W3 Cable semi rigid Cal In to attenuator Reference Assy J701 to Attenuator A Options 544 550 N9020 20072 W4 Cable semi rigid Attenuator B to Attenuator A Options 544 550 N9020 20068 W6 Cable semi rigid Attenuator B to Low Band Switch Options 544 550 without Option MPB or LNP N9010 20004 W8 Cable semi rigid Front End assy J2 to Low Band Switch J2 Options 544 550 N9020 20131 W20 Cable sem...

Page 406: ... rigid Front End assy J2 to Low Band Switch J2 Options 503 508 513 526 N9020 20101 W16 Cable IF Out from Front End Assy J7 to Front End Control J902 8121 1862 W18 Cable semi rigid 2nd LO In Reference Assy J702 to Front End Assy J1 N9020 20022 W20 Cable semi rigid Front End Assy J4 To YTO Options 503 508 513 526 without EP0 N9020 20018 W21 Cable semi rigid LO Synthesizer Assy J20 to Front End Assy ...

Page 407: ... J902 8121 1862 W18 Cable semi rigid 2nd LO In Reference Assy J702 to Front End Assy J1 N9020 20022 W19 Cable semi rigid AUX LO Out from Front End Assy J3 to Switched Filter Assy J6 N9020 20077 W20 Cable semi rigid Front End Assy J4 To YTO Options 503 508 513 526 without EP0 N9020 20152 W21 Cable semi rigid LO Synthesizer Assy J20 to Front End Assy J5 without EP0 N9020 20019 W22 Cable ribbon Front...

Page 408: ...le IF Out from Front End Assy J7 to Front End Control J902 8121 1862 W18 Cable semi rigid 2nd LO In Reference Assy J702 to Front End Assy J1 N9020 20022 W22 Cable ribbon Front End Assy control J12 to Front End Controller J102 E4410 60156 W30 Cable coax Ext IF Out A13J13 to Front End Control J903 Option 503 508 513 526 Option EXM 8121 2027 W33 Cable coax 50 MHz Align Front End Assy J6 to Reference ...

Page 409: ...End Assy J7 to Front End Control J902 8121 1862 W18 Cable semi rigid 2nd LO In Reference Assy J702 to Front End Assy J1 N9020 20022 W22 Cable ribbon Front End Assy control J12 to Front End Controller J102 E4410 60156 W30 Cable coax Ext IF Out A13J13 to Front End Control J903 Option 544 550 Option EXM 8121 2025 W33 Cable coax 50 MHz Align Front End Assy J6 to Reference Assy J705 8121 1940 W62 Cable...

Page 410: ...t End Assembly N1810 60102 W8 Cable semi rigid Front End assy J2 to Low Band Switch J2 Options 544 550 N9020 20131 W12 Cable wire harness 4 switch control FE controller J801 Option B5X N9030 60035 W16 Cable IF Out from Front End Assy J7 to Front End Control J902 8121 1862 W18 Cable semi rigid 2nd LO In Reference Assy J702 to Front End Assy J1 N9020 20077 W19 Cable semi rigid AUX LO Out from Front ...

Page 411: ...W29 Option EXM 544 550 N9020 20167 W76 Cable Semi rigid A13 IF Out to SW5 port C Option B5X 508 513 526 544 550 N9020 20266 W77 Cable Semi rigid SW5 port 1 to BP Filter In Option B5X N9020 20268 W79 Cable Semi rigid Switched Filter Out to SW6 port 2 Option B5X N9020 20292 W80 Cable Semi rigid BP Filter Out to SW6 port 1 Option B5X N9020 20293 W84 Cable Semi rigid SW6 port C to A13 IF IN J11 Option...

Page 412: ...nd Controller J300 to YTF J1 N9020 60059 W12 Cable wire harness Preselector bypass switch control FE controller J801 Option LNP MPB no B5X E4410 60159 W16 Cable IF Out from Front End Assy J7 to Front End Control J902 8121 1862 W21 Cable semi rigid LO Synthesizer Assy J20 to Front End Assy J5 without EP0 N9020 20019 W25 Cable coax Narrow Band IF Out Front End Controller J900 to Analog IF J100 8121 ...

Page 413: ...thout EP0 N9020 20021 W32 Cable coax 100 MHz Reference Assy J706 to LO Synthesizer J10 8121 1401 W55 Cable ribbon Low Band Switch Bypass Control Switch 3 to A15 Front End Controller J802 Options 503 508 513 526 with Option LNP or MPB Cable ribbon Low Band Switch Bypass Control Switch 3 to A15 Front End Controller J802 Options 544 550 with Option LNP or MPB N9020 60087 N9020 60177 Table 15 15 Front...

Page 414: ... Control LO Synthesizer J25 to YTO N9020 60024 W73 Cable Semi rigid A14J1 Synthesizer Assembly to A13J4 Front End Assembly Option EP0 N9020 20301 W81 Cable Semi rigid A14 Synthesizer Assembly to FL2 7 2 GHz BPF Option EP0 N9020 20226 W82 Cable Semi rigid A16J703 Reference Assembly to FL2 7 2 GHz BPF Option EP0 N9020 20303 W83 Cable Semi rigid A14J2 Synthesizer Assembly to A20 YTO Assembly output O...

Page 415: ... to Front End Assy J1 N9020 20022 W31 Cable semi rigid 4 8GHz 2nd LO Reference Assy J703 to Synthesizer Assy J4 without EP0 N9020 20021 W32 Cable coax 100 MHz Reference Assy J706 to LO Synthesizer J10 8121 1401 W33 Cable coax 50 MHz Align Front End Assy J6 to Reference Assy J705 8121 1940 W35 Cable Assembly flexible coax A19J101 BBIQ Main Board to A16J707 Reference Board Option BBA 8121 1401 W36 C...

Page 416: ...er 1 A16 Reference Assembly Option EP0 N9020 60187 2 A25 Wideband Analog IF Option B2X or B5X N9020 60043 3 A26 Wideband Digital IF Option B1X or B2X N9020 60311 4 A27 Wideband Digital IF Option B5X N9020 60311 W3 Cable semi rigid Cal In to attenuator Reference Assy J701 to Attenuator A Options 503 508 513 526 Cable semi rigid Cal In to attenuator Reference Assy J701 to Attenuator A Options 544 55...

Page 417: ...6 Reference Assembly to A25J1 WB A IF Assembly Option B2X or B5X 8121 0152 W69 Cable Coax A16J718 Reference Assembly to A25J4 WB A IF Assembly Option B2X or B5X 8121 0152 W70 Cable Coax A25J17 WB A IF Assembly to A15J901 Front End Controller Option B2X or B5X 8121 1865 W71 Cable Coax A25J18 WB A IF Assembly to A3J15 Digital IF Assembly Option B2X or B5X 8121 1401 W72 Cable Coax A25J2 WB A IF Assem...

Page 418: ...418 N9030B PXA Signal Analyzer Service Guide Replaceable Parts Hardware Figure 15 17 AIF Cables Figure 15 18 DIF Cables ...

Page 419: ...o Digital IF J15 instruments without Option B1X B2X B5X 8121 1919 W36 Cable coax 300 MHz Reference Assy J711 to Analog IF J300 8121 1861 W40 Cable coax 250 MHz from Wideband A IF J102 to Digital IF J15 Option B1X 8121 1401 W42 Cable coax 22 5 MHz IF Out Analog IF J601 to D IF J19 8120 8868 W47 Cable coax Step Cal A3 Digital IF J17 to Reference board J726 Required if no Option B1X B2X B5X 8121 1401...

Page 420: ...20 AIF DIF Assemblies Item Description Keysight Part Number 1 A2 Analog IF Assembly N9020 60290 2 A3 Digital IF Assembly N9020 60016 3 Screw M3 X 0 5 8 mm long 0515 0372 W43 Cable ribbon interconnect from Analog IF J820 to Digital IF A3J30 N9020 60046 A3W1 Cable Assembly Smart Noise Source Wire Harness N9020 60090 ...

Page 421: ...Board Option RTS Table 15 21 WBDIF Extension Board Option RTS Item Description Keysight Part Number 1 A28 Wideband DIF Extension Board Option RTS N9020 60272 2 Bracket Wideband Extension Board Option RTS N9020 00067 W63 Cable ribbon A26 WBDIF J9000 to A28 WBDIF Extension board J1 Option RTS N9020 60278 ...

Page 422: ...Signal Analyzer Service Guide Replaceable Parts Hardware Figure 15 21 Motherboard Table 15 22 Motherboard Item Description Keysight Part Number 1 A8 Motherboard Assembly N9030 63002 2 Screw M3 X0 5 8 mm long 0515 0372 ...

Page 423: ...ide Right inner W1312 00116 3 Chassis Side Left inner W1312 00117 4 Bracket Midplane W1312 00048 5 Bracket Chassis Front W1312 00098 6 Bracket Fan W1312 00118 8 Bracket RF Side right side outer N9020 00014 9 Rear Frame N9020 00065 10 11 Bracket Attenuator used for both attenuators Options 503 508 513 526 Bracket Attenuator used for both attenuators Options 544 550 E4449 00103 N9020 00047 ...

Page 424: ... Analyzer Service Guide Replaceable Parts Hardware Figure 15 23 Fan Hardware Table 15 24 Fan Hardware Item Description Keysight Part Number 1 B1 B2 B3 Fan 3160 4199 2 Fan Guard Steel 3160 0281 3 Rivet Fan Mounting 0361 1272 ...

Page 425: ...Type N Input Connector Assembly Options 503 508 513 526 without Option C35 J1 3 5 mm Input Connector Assembly Option C35 J1 2 4 mm Input Connector Assembly Options 544 550 N9039 60030 N9020 60196 N9030 60011 W2 Cable semi rigid RF Input to Attenuator A Options 503 508 513 526 Cable semi rigid RF Input to Attenuator A Options 544 550 N9020 20100 N9020 20173 3 Gusset Chassis near RF input connector ...

Page 426: ...escription Keysight Part Number 1 A1MP14 Shield N9020 00066 2 A1A1 Front Frame N9020 60299 3 A1MP10 Bracket front panel shield N9020 00064 4 A1A2 Front Panel Control Board N9020 63294 5 A1MP11 Display Bracket Front Panel N9020 00063 A1W1 Flex Circuit Display to Front Panel Control Board N9020 60273 A1W2 Cable Assembly Backlight N9020 60217 ...

Page 427: ...N9030B PXA Signal Analyzer Service Guide 427 Replaceable Parts Hardware Figure 15 26 Front Frame Exploded View ...

Page 428: ...asket a 9 A1A4 Keyboard PCA N9020 63275 10 A1A2 Front Panel Control Board N9020 63294 11 A1A3 Liquid Crystal Display 10 6 in w PCAP Touch 1280X768 Pixels 2090 1103 12 A1MP9 Display hold down compression pad N9020 40003 13 A1MP11 Display Bracket Front Panel N9020 00063 14 A1MP10 Bracket front panel shield N9020 00064 15 A1W1 Flex Circuit Display to Front Panel Control Board N9020 60273 16 A1W2 Cabl...

Page 429: ...436 RF Area Options 503 508 513 526 on page 438 Microwave Options MPB and LNP on page 451 RF Area Options 544 550 on page 473 Millimeter Wave Options MPB and LNP on page 487 RF Front End Assembly on page 495 Front End Control Assembly on page 498 LO Synthesizer Assembly on page 500 Reference Assembly on page 502 Option B1X on page 505 Option BBA on page 507 Midplane Board Assembly on page 508 Rear...

Page 430: ...acement Procedures What You Will Find in This Chapter Input Connector Assembly on page 537 Front Frame Assembly on page 539 Front Panel Cables on page 545 Front Panel Control Board and Shield on page 545 Display Assembly on page 547 Keyboard Keypad on page 549 ...

Page 431: ...instrument contains static sensitive components Read the section entitled ESD Information on page 25 Safety The opening of covers or removal of parts is likely to expose dangerous voltages Disconnect the product from all voltage sources while it is being opened The instrument contains potentially hazardous voltages Refer to the safety symbols on the instrument and the general safety considerations...

Page 432: ...t assemblies have been repaired or replaced perform the related adjustments and performance verification tests Table 16 1 Description Keysight Part Number TORX Hand Driver Size T 8 8710 1614 TORX Hand Driver Size T 10 8710 1623 TORX Hand Driver Size T 20 8710 1615 9 16 inch nut driver 8720 0008 1 4 inch nut driver source locally 5 16 inch open end wrench source locally 1 4 inch open end wrench sou...

Page 433: ...16 2 Item Description 1 A2 Analog IF Assembly and A3 Digital IF Assembly 2 A4 CPU Assembly 3 A6 Power Supply 4 A7 Midplane Assembly 5 A16 Reference Assembly Standard Option EP1 6 A25 Wideband Analog IF Option B1X 7 A26 Wideband Digital IF Option B1X or B2X 8 A19 BBIQ Main Board Option BBA 9 A14 Synthesizer Assembly Standard Option EP1 10 A15 Front End Controller ...

Page 434: ...rument 3 Remove the bottom feet and locks 6 by lifting the tabs on the feet and sliding to disengage from the outer case 4 Using the T 20 driver remove the four screws including washers 3 that hold the rear feet 4 in place 5 Pull the instrument cover 5 off towards the rear of the instrument Figure 16 3 Instrument Outer Case Removal If the instrument is placed on its face during any of the followin...

Page 435: ...d be on the bottom Be sure the cover seats into the gasket groove in the Front Frame Assembly 3 Replace the four rear feet to the rear of the instrument Torque the rear feet screws 0515 1619 and 3050 0893 washers to 21 inch pounds 4 Replace the bottom feet by sliding into place until they snap in Install the locks by pressing in flat 5 Replace the handle straps on both sides of the instrument Torq...

Page 436: ...ove the twelve screws 3 0515 0372 attaching the top brace to the chassis Remove the wire hold down 1 as shown in Figure 16 5 Remove the twelve screws 14 screws with Option B1X 4 0515 1946 attaching the top brace to the boards 3 To remove the power supply bracket 2 use the T 10 driver to remove the eight screws 5 0515 0372 attaching the power supply bracket to the instrument and the three screws 6 ...

Page 437: ...e and Power Supply Bracket Figure 16 5 Wire Hold Downs Replacement 1 Refer to Figure 16 4 To replace the top brace or the power supply bracket place them into the correct position and attach the screws referred to in the removal process Reinstall wire hold down 1 Torque to 9 inch pounds ...

Page 438: ...r B 2 low band switch assembly 3 YTF Preselector 4 and YTO 5 Figure 16 6 RF Area Components and Cables Options 503 508 513 526 To gain access to the attenuators low band switch YTF Preselector YTO Option MPB or Option LNP for removal follow these steps 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the front panel Refer to the Front Frame Assembly ...

Page 439: ...dures RF Area Options 503 508 513 526 3 Refer to Figure 16 7 Remove the RF bracket 1 by removing the sixteen screws 2 0515 0372 using the T 10 driver If the instrument has Option RTS installed there will be an additional screw 3 to be removed Figure 16 7 RF Bracket Removal ...

Page 440: ...or A 1 or Attenuator B 2 remove the semi rigid cables W2 W3 W4 or W6 attached to the attenuator using the 5 16 inch wrench 2 Remove the ribbon cable attached to the attenuator 3 Remove the two screws 3 or 4 0515 0372 for each attenuator bracket to remove from the chassis using the T 10 driver 4 Remove the attenuator from the bracket by removing the two screws 0515 0372 ...

Page 441: ...Analyzer Service Guide 441 Assembly Replacement Procedures RF Area Options 503 508 513 526 Figure 16 8 Attenuators Removal Table 16 3 Item Keysight Part Number W2 N9020 20100 W3 N9020 20023 W4 N9020 20025 W6 N9020 20024 ...

Page 442: ... attenuator and bracket into the chassis and attach with the two screws 0515 0372 Torque to 9 inch pounds 4 Replace the ribbon cable and semi rigid cables W2 W3 W4 or W6 to the attenuator Torque the semi rigid cables to 10 inch pounds 5 Refer to Figure 16 7 Position the RF bracket onto the chassis and replace the sixteen screws 0515 0372 Torque to 9 inch pounds 6 Replace the front panel Refer to t...

Page 443: ... present the equivalent cables would be W52 for W6 and W54 for W56 3 Refer to Figure 16 10 Remove the two screws 2 0515 0372 using the T 10 driver The low band switch 1 can now be removed from the chassis 4 Refer to Figure 16 11 To separate the switch from the bracket remove the four screws 3 0515 0372 using the T 10 driver Figure 16 9 Low Band Switch Cable Removal If the analyzer has hardware for...

Page 444: ...4 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 503 508 513 526 Figure 16 10 Low Band Switch Bracket Removal W56 N9020 20123 Table 16 4 Item Keysight Part Number ...

Page 445: ... the two screws 0515 0372 Torque to 9 inch pounds starting with the screw closest to the front of the instrument 3 Refer to Figure 16 9 Replace the semi rigid cables W6 W8 and W56 Torque to 10 inch pounds 4 Replace the ribbon cable W7 Ensure locking tabs on the sides of the connector are engaged 5 Refer to Figure 16 7 Position the RF bracket onto the chassis and replace the sixteen screws 0515 037...

Page 446: ...the YTF Preselector 1 2 Remove the wire harness W11 3 Refer to Figure 16 13 From the bottom of the instrument remove the four screws 1 0515 0372 The YTF Preselector can now be removed from the chassis may require lifting up slightly on the low band switch Figure 16 12 YTF Preselector Removal Table 16 5 Item Keysight Part Number W2 N9020 20100 W11 N9020 60059 W56 N9020 20123 W57 N9020 20124 ...

Page 447: ...N9030B PXA Signal Analyzer Service Guide 447 Assembly Replacement Procedures RF Area Options 503 508 513 526 Figure 16 13 YTF Preselector Screws ...

Page 448: ...de of the gap pad Remove the blue backing from the other side of the gap pad Install the gap pad as shown with the pink side exposed Carefully peel off the clear plastic backing and smooth the gap pad into the recess Figure 16 14 Gap Pad Installation 3 Refer to Figure 16 13 Place the YTF Preselector into the chassis with the ports toward the front of the instrument Replace the four screws 1 0515 0...

Page 449: ...procedure YTO Removal 1 Refer to Figure 16 15 Remove cable W20 from the YTO 1 2 Remove cable W4 3 Remove the ribbon cable W23 by pulling forward on the locking latch 4 Refer to Figure 16 16 From the bottom of the instrument remove the two screws 1 0515 0372 The YTO can now be removed from the chassis Figure 16 15 YTO Removal Table 16 6 Item Keysight Part Number W4 N9020 20025 W20 N9020 20018 ...

Page 450: ...ch pounds 2 Figure 16 15 Replace the cables W4 and W20 Torque to 10 inch pounds 3 Replace the ribbon cable W23 Ensure the locking latch is engaged 4 Refer to Figure 16 7 Position the RF bracket onto the chassis and replace the sixteen screws 0515 0372 Torque to 9 inch pounds 5 Replace the front panel Refer to the Front Frame Assembly replacement procedure 6 Replace the instrument outer case Refer ...

Page 451: ...Guide 451 Assembly Replacement Procedures RF Area Options 503 508 513 526 Options MPB and LNP Removal 1 Refer to Figure 16 17 Remove rigid cable W51 N9020 20143 from top switch port 1 to Attenuator B output Figure 16 17 W51 Cable Removal ...

Page 452: ... 513 526 2 Refer to Figure 16 18 Remove cable W10 E4410 20163 from middle switch port 2 to YTF Assembly 3 Remove cable W14 E4410 20165 from bottom switch port 2 to YTF Assembly 4 Remove cable W54 N9020 20145 from top switch port 3 to Low Band Switch Assembly Figure 16 18 W10 W14 and W54 Cables Removal ...

Page 453: ... 16 19 Remove cable W15 E4410 20164 from bottom switch center port to Front End Assembly J9 6 Remove cable W53 N9020 20144 from top switch port 2 to center switch center port 7 Remove cable W13 N9020 20210 between attenuator connected to center switch port 1 and bottom switch port 1 Figure 16 19 W13 W15 and W53 Cables Removal ...

Page 454: ...503 508 513 526 8 Refer to Figure 16 20 Remove cable W52 N9020 20146 between top switch port 4 and Low Band Switch Assembly connector that is closest to the inner chassis Figure 16 20 W52 Cable Removal 9 Refer to Figure 16 21 Remove the coaxial fixed attenuator 1 Figure 16 21 Attenuator Removal ...

Page 455: ... cable to the Front End Controller J802 Remove the switch assembly 1 by removing the two screws 0515 2032 at the frame 2 and the single screw on the side 3 0515 0372 Figure 16 22 Switch Assembly Removal 11 Refer to Figure 16 23 To separate the switch 2 from the bracket 1 N9020 00022 remove the three screws 3 0515 1934 Figure 16 23 Bracket Mount to Switch ...

Page 456: ...456 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 503 508 513 526 12 Refer to Figure 16 24 Disconnect W7 from the Low Band Switch Figure 16 24 W7 Removal ...

Page 457: ...ervice Guide 457 Assembly Replacement Procedures RF Area Options 503 508 513 526 13 Refer to Figure 16 25 Disconnect the two wire harness connectors 1 located between the switches and the frame Figure 16 25 Wire Harness Disconnect ...

Page 458: ...ocedures RF Area Options 503 508 513 526 14 Refer to Figure 16 26 Remove the top switch bracket assembly 1 2 by removing the single screw on the side 4 0515 0372 To separate the switch from the bracket remove the two top screws 3 0515 0372 Figure 16 26 Switch 2 Removal ...

Page 459: ...the bottom switch bracket assembly 1 2 by removing the two screws on the top 3 0515 1992 Figure 16 27 Switch 1 Removal Replacement 1 Refer to Figure 16 28 Place the switch bracket assembly 1 2 on the Low Band bracket 4 with the label facing up Use the two screws 3 0515 1992 to attach to the Low Band bracket Do not torque screws at this time ...

Page 460: ...460 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 503 508 513 526 Figure 16 28 Switch 1 Placement ...

Page 461: ...e label on switch is facing up To attach use the two screws 3 0515 1992 Figure 16 29 Switch 2 Placement 3 Secure the bracket to the Low Band Switch bracket with the single screw 4 0515 0372 Do not torque 4 Align switches so they are parallel with side of instrument then torque the four screws 3 securing the switches to the brackets to 6 in lbs Torque the screw 4 that secures the switch brackets to...

Page 462: ...acement Procedures RF Area Options 503 508 513 526 5 Refer to Figure 16 30 Route W7 over bracket and switch as shown and insert W7 connector into Low Band Switch header Ensure the locking tabs are engaged on both sides of the connector Figure 16 30 W7 Routing ...

Page 463: ...uide 463 Assembly Replacement Procedures RF Area Options 503 508 513 526 6 Refer to Figure 16 31 Reconnect the two wire harness connectors 1 Once connected position the connections along side the switches Figure 16 31 Wire Harness Routing ...

Page 464: ...Analyzer Service Guide Assembly Replacement Procedures RF Area Options 503 508 513 526 7 Refer to Figure 16 32 Attach the coaxial fixed attenuator 1 to switch port 1 Torque to 10 inch lbs Figure 16 32 Attenuator Installation ...

Page 465: ...s 503 508 513 526 8 Refer to Figure 16 33 Install the bracket 1 to the switch 2 using three screws 3 0515 1934 Assure the number 3 on the switch is positioned as shown Torque screws to 6 inch lbs Install the ribbon cable 4 into the switch connector header Figure 16 33 Bracket Mount to Switch ...

Page 466: ...ar then plugs into J802 If this is not routed correctly the cable can be damaged when the top brace is installed Refer to Figure 16 35 and Figure 16 36 for cable routing pictures Connect the ribbon cable to the Front End Controller J802 as shown Secure switch bracket to chassis frame with the two top screws 2 0515 2032 Secure switch bracket to the other switch bracket with the single side screw 3 ...

Page 467: ...N9030B PXA Signal Analyzer Service Guide 467 Assembly Replacement Procedures RF Area Options 503 508 513 526 Figure 16 35 Cable Routing Figure 16 36 Cable Routing ...

Page 468: ...tions 503 508 513 526 10 Refer to Figure 16 37 Install rigid cable W52 N9020 20146 between top switch port 4 and Low Band Switch Assembly connector that is closest to the inner chassis Torque to 10 inch lbs Figure 16 37 W52 Installation Table 16 7 Item Keysight Part Number W52 N9020 20146 ...

Page 469: ...itch port 1 and bottom switch port 1 Torque to 10 inch lbs Figure 16 38 W13 W15 W53 Installation 12 Install rigid cable W53 N9020 20144 2 from top switch port 2 to center switch center port Torque to 10 inch lbs 13 Install rigid cable W15 E4410 20164 3 from bottom switch center port to Front End Assembly J9 Torque to 10 inch lbs Table 16 8 Item Keysight Part Number W13 N9020 20210 W15 E4410 20164 ...

Page 470: ... Band Switch Assembly as shown Torque to 10 inch lbs Figure 16 39 W10 W14 W54 Installation 15 Install rigid cable W14 E4410 20165 2 from bottom switch port 2 to YTF Assembly as shown Torque to 10 inch lbs 16 Install rigid cable W10 E4410 20163 3 from middle switch port 2 to YTF Assembly as shown Torque to 10 inch lbs Table 16 9 Item Keysight Part Number W10 E4410 20163 W14 E4410 20165 W54 N9020 20...

Page 471: ... Procedures RF Area Options 503 508 513 526 17 Refer to Figure 16 40 Install rigid cable W51 N9020 20143 1 from top switch port 1 to Attenuator B output as shown Torque to 10 inch lbs Figure 16 40 W51 Installation Table 16 10 Item Keysight Part Number W51 N9020 20143 ...

Page 472: ...g damaged when the top brace is installed Figure 16 41 Ribbon Cable Routing 19 Refer to Figure 16 7 Position the RF bracket onto the chassis and replace the sixteen screws 0515 0372 Torque to 9 inch pounds 20 Replace the front panel Refer to the Front Frame Assembly replacement procedure 21 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Page 473: ...2 low band switch assembly 3 YTF Preselector 4 and YTO 5 Figure 16 42 RF Area Components and Cables Options 544 550 To gain access to the attenuators low band switch YTF Preselector YTO Option MPB or Option LNP for removal follow these steps 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the front panel Refer to the Front Frame Assembly removal pro...

Page 474: ...Analyzer Service Guide Assembly Replacement Procedures RF Area Options 544 550 3 Refer to Figure 16 43 Remove the RF bracket 1 by removing the sixteen screws 2 0515 0372 using the T 10 driver Figure 16 43 RF Bracket Removal ...

Page 475: ...he attenuator using the 5 16 inch wrench 2 Remove the ribbon cable attached to the attenuator 3 Remove the two screws 3 or 4 0515 0372 for each attenuator bracket to remove from the chassis using the T 10 driver 4 Remove the attenuator and magnetic shield 5 or 6 from the bracket by removing the two screws 0515 0372 Figure 16 44 Attenuators Removal Table 16 11 Item Keysight Part Number W2 N9020 201...

Page 476: ...476 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 544 550 5 N9020 00043 6 N9020 00044 Table 16 11 Item Keysight Part Number ...

Page 477: ...Position the attenuator and bracket into the chassis and attach with the two screws 0515 0372 Torque to 9 inch pounds 4 Replace the ribbon cable and semi rigid cables W2 W3 W4 or W6 to the attenuator Torque the semi rigid cables to 10 inch pounds 5 Refer to Figure 16 43 Position the RF bracket onto the chassis and replace the sixteen screws 0515 0372 Torque to 9 inch pounds 6 Replace the front pan...

Page 478: ...If either of these options are present the equivalent cables would be W52 for W6 and W54 for W56 3 Refer to Figure 16 46 Remove the two screws 2 0515 0372 using the T 10 driver The low band switch 1 can now be removed from the chassis 4 Refer to Figure 16 47 To separate the switch from the bracket remove the five screws 3 0515 0372 using the T 10 driver Figure 16 45 Low Band Switch Cable Removal I...

Page 479: ...nal Analyzer Service Guide 479 Assembly Replacement Procedures RF Area Options 544 550 Figure 16 46 Low Band Switch Bracket Removal Table 16 12 Item Keysight Part Number W6 N9010 20004 W8 N9020 20131 W56 N9010 20005 ...

Page 480: ...480 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 544 550 Figure 16 47 Low Band Switch and Bracket Separation ...

Page 481: ...starting with the screw closest to the front of the instrument 3 Refer to Figure 16 45 Replace the semi rigid cables W6 W8 and W56 Torque to 10 inch pounds 4 Replace the ribbon cable W7 Ensure locking tabs on the sides of the connector are engaged 5 Refer to Figure 16 43 Position the RF bracket onto the chassis and replace the sixteen screws 0515 0372 Torque to 9 inch pounds 6 Replace the front pa...

Page 482: ... W57 from the YTF Preselector 1 2 Remove the wire harness W11 3 Refer to Figure 16 49 From the bottom of the instrument remove the four screws 1 0515 0372 The YTF Preselector can now be removed from the chassis may require lifting up slightly on the low band switch Figure 16 48 YTF Preselector Removal Table 16 13 Item Keysight Part Number W56 N9010 20005 W57 N9010 20006 ...

Page 483: ...N9030B PXA Signal Analyzer Service Guide 483 Assembly Replacement Procedures RF Area Options 544 550 Figure 16 49 YTF Preselector Screws ...

Page 484: ...ap pad Remove the blue backing from the other side of the gap pad Install the gap pad as shown with the pink side exposed Carefully peel off the clear plastic backing and smooth the gap pad into the recess Figure 16 50 Gap Pad Installation 3 Refer to Figure 16 49 Place the YTF Preselector into the chassis with the YTF control connector toward the rear of the instrument Replace the four screws 1 05...

Page 485: ...nt procedure YTO Removal 1 Refer to Figure 16 51 Remove cable W20 from the YTO 1 2 Remove cable W4 3 Remove the ribbon cable W23 by pulling forward on the locking latch 4 Refer to Figure 16 52 From the bottom of the instrument remove the two screws 1 0515 0372 The YTO can now be removed from the chassis Figure 16 51 YTO Removal Table 16 14 Item Keysight Part Number W20 N9020 20018 ...

Page 486: ...h pounds 2 Figure 16 51 Replace the cables W20 Torque to 10 inch pounds 3 Replace the ribbon cable W23 Ensure the locking latch is engaged 4 Refer to Figure 16 43 Position the RF bracket onto the chassis and replace the sixteen screws 0515 0372 Torque to 9 inch pounds 5 Replace the front panel Refer to the Front Frame Assembly replacement procedure 6 Replace the instrument outer case Refer to the ...

Page 487: ...ce Guide 487 Assembly Replacement Procedures RF Area Options 544 550 Options MPB and LNP Removal 1 Refer to Figure 16 53 Remove rigid cable W51 N9020 20171 1 from top switch port 1 to Attenuator B output Figure 16 53 W51 Cable Removal ...

Page 488: ...4 and Figure 16 55 Remove cable W62 N9020 20130 3 from bottom switch port 2 to Front End Assembly J9 3 Remove cable W61 N9020 20129 2 from bottom switch port 3 to YTF Assembly 4 Remove cable W59 N9020 20151 1 from top switch port 2 to bottom switch port 1 Figure 16 54 W62 W61 and W59 Cables Removal Figure 16 55 Switch Ports ...

Page 489: ...ons 544 550 5 Refer to Figure 16 56 Remove cable W20 N9020 20152 3 from YTO to Front End Assembly J4 6 Remove cable W8 N9020 20131 2 from Low Band Switch J2 to Front End Assembly J2 7 Remove cable W60 N9020 20128 1 from bottom switch port 4 to YTF Figure 16 56 W20 W8 and W60 Cables Removal ...

Page 490: ...acement Procedures RF Area Options 544 550 8 Refer to Figure 16 57 Remove cable W54 N9020 20127 2 from top switch port 3 to Low Band Switch J3 9 Remove cable W52 N9020 20125 1 from top switch port 4 to Low Band Switch J1 Figure 16 57 W54 and W52 Cable Removal ...

Page 491: ...mbly Replacement Procedures RF Area Options 544 550 10 Refer to Figure 16 58 Disconnect the wire harness connector 1 located between the switch and the frame Remove the ribbon cable from the rear of the top switch Figure 16 58 Wire Harness Disconnect ...

Page 492: ...o Figure 16 59 Remove the switch assembly 1 by removing the two screws 0515 2032 at the frame 2 Figure 16 59 Switch Assembly Removal 12 Refer to Figure 16 60 To separate the switches 2 and 4 from the bracket 1 N9020 00021 remove the three screws 3 0515 1934 for each switch Figure 16 60 Bracket Mount to Switches ...

Page 493: ...the switch with the wire pigtail 4 mounts below the switch without the pigtail 2 Torque to 6 inch lbs 2 Place the switch bracket assembly into the frame and secure with the two screws 0515 2032 Torque to 9 inch lbs 3 Refer to Figure 16 61 Route W7 in between the two switches as shown and insert W7 connector into Low Band Switch header Ensure the locking tabs are engaged on both sides of the connec...

Page 494: ...ble W20 N9020 20152 3 between YTO to Front End Assembly J4 Torque to 10 inch pounds 10 Replace cable W59 N9020 20151 1 between top switch port 2 to bottom switch port 1 Torque to 10 inch pounds 11 Replace cable W61 N9020 20129 2 between bottom switch port 3 to YTF Assembly Torque to 10 inch pounds 12 Refer to Figure 16 54 Replace cable W62 N9020 20130 3 between bottom switch port 2 to Front End As...

Page 495: ...Figure 16 62 and Figure 16 63 Using the 5 16 inch wrench remove the cables attached to A13A1J1 A13A1J2 A13A1J4 A13A1J5 A13A1J6 A13A1J7 A13A1J9 on the RF Front End Assembly If the analyzer has Option EXM remove the cables attached to A13A1J8 and A13A1J13 also 5 Remove the W22 and W28 ribbon cables from Front End Controller board connectors J102 and J1300 The ribbon cables then can be removed from t...

Page 496: ...N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Front End Assembly Figure 16 62 RF Front End Assembly Removal Microwave Figure 16 63 RF Front End Assembly Removal Millimeter Wave ...

Page 497: ...2 Replace the six screws 1 0515 0372 Torque to 9 inch pounds in the sequence shown starting with 1 3 Reattach W22 ribbon cable to Front End Controller J102 and W28 ribbon cable between Front End Controller J1300 and A13A2J1 on the RF Front End Assembly 4 Reattach the cables to A13A1J1 A13A1J2 A13A1J4 A13A1J5 A13A1J6 A13A1J7 and A13A1J9 on the RF Front End Assembly Reattach the cables to A13A1J8 an...

Page 498: ...End Control Assembly Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the instrument top brace Refer to the Top Brace and Power Supply Bracket removal procedure 3 Refer to Figure 16 65 Locate the Front End Control assembly 1 Figure 16 65 Assembly Locations ...

Page 499: ...ifted out of the chassis Figure 16 66 Front End Control Cables Replacement 1 Refer to Figure 16 66 Install the Front End Control assembly into slot 11 in the chassis and press down to plug it into the motherboard 2 Reattach the ribbon cables W5 W22 W28 W7 and W55 and the wire harnesses W11 and W12 to the Front End Control assembly 3 Reattach the cables W25 W26 W16 W27 and W30 Opt EXM to the Front ...

Page 500: ...nthesizer Assembly Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the instrument top brace Refer to the Top Brace and Power Supply Bracket removal procedure 3 Refer to Figure 16 67 Locate the LO Synthesizer assembly 2 Figure 16 67 Assembly Locations ...

Page 501: ...lift out of the chassis Replacement 1 Refer to Figure 16 68 Install the LO Synthesizer assembly into slot 10 in the chassis securing with the ejectors 2 Reattach the cables W21 and W31 to the LO Synthesizer assembly Torque to 10 inch pounds 3 Reattach the cables W23 and W32 4 Reinstall the two screws 3 0515 2032 Torque to 9 inch pounds 5 Replace the instrument top brace Refer to the Top Brace and ...

Page 502: ...ly Reference Assembly Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the top brace Refer to the Top Brace and Power Supply Bracket removal procedure 3 Refer to Figure 16 69 Locate the Reference assembly 3 Figure 16 69 Assembly Locations ...

Page 503: ... to Figure 16 70 Remove cables W3 W18 and W31 from the reference assembly 1 using the 5 16 inch wrench Figure 16 70 Reference Board Cables 5 Remove the two screws 2 0515 0372 attaching the Reference board to the chassis Table 16 16 Item Keysight Part Number W3 N9020 20023 W18 N9020 20022 W31 N9020 20021 ...

Page 504: ... the reference assembly into slot 2 in the chassis and press down to plug it into the motherboard using the ejectors to push into place 2 Refer to Figure 16 71 Reinstall the two screws 0515 0372 to attach wire hold down 2 to the chassis and the screw on the other side attaching the Reference board to the chassis Torque to 9 inch pounds 3 Refer to Figure 16 70 Replace cables W3 W18 W31 W32 W33 W35 ...

Page 505: ...moval 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the top brace Refer to the Top Brace and Power Supply Bracket removal procedure 3 Refer to Figure 16 72 Locate the Wideband Analog IF and Wideband Digital IF assemblies Figure 16 72 Assembly Locations ...

Page 506: ... Replacement 1 Slide the Wideband Analog IF assembly into slot 3 in the chassis and use the ejectors to push into place into the motherboard 2 Slide the Wideband Digital IF assembly into slot 5 in the chassis and use the ejectors to push into place into the motherboard 3 Refer to Figure 16 73 Reinstall cables W34 W40 W41 W45 and W46 to the Wideband Analog IF assembly 2 4 Reconnect ribbon cable W44...

Page 507: ...n Board assembly Figure 16 74 Assembly Locations 4 Pull up on the ejectors of the BBIQ Main Board assembly to partially lift it from the chassis Remove the flex ribbon cable Replacement 1 Slide the BBIQ Main Board assembly into position in the chassis and reattach the flex cable Use the ejectors to push the board into place into the motherboard 2 Replace the top brace Refer to the Top Brace and Po...

Page 508: ...e the top brace and power supply bracket Refer to the Top Brace and Power Supply Bracket removal procedure 3 Refer to Figure 16 75 Locate the Midplane Board assembly 4 Figure 16 75 Assembly Locations 4 Remove the processor assembly Refer to the CPU Assembly removal procedure 5 Remove the rear panel Refer to the Rear Panel removal procedure 6 Remove the power supply assembly Refer to the Power Supp...

Page 509: ...76 Install the midplane assembly into the chassis using the ejectors and attach to the midplane bracket using the six screws 0515 0375 removed earlier Torque to 9 inch pounds 2 Replace the power supply assembly Refer to the Power Supply Assembly replacement procedure 3 Replace the rear panel Refer to the Rear Panel replacement procedure 4 Replace the processor assembly Refer to the CPU Assembly re...

Page 510: ... screws 4 0515 0372 attaching the rear panel 1 to the chassis The rear panel can now be removed Figure 16 77 Rear Panel Removal Replacement 1 Reattach the W37 cable to the rear panel Torque to 21 inch pounds using the 9 16 inch nut driver 2 Reattach the W27 cable to the rear panel Torque to 10 inch pounds using the 5 16 inch wrench 3 Place the rear panel into position in the chassis Replace the si...

Page 511: ... the three screws 1 0515 1946 attaching the power supply to the chassis 4 The power supply assembly can be removed from the chassis by pulling straight out the back Figure 16 78 Power Supply Assembly Removal Replacement 1 Slide the power supply assembly into the slot at the rear of the instrument and push on the assembly to mate the connectors to the midplane assembly 2 Refer to Figure 16 78 Repla...

Page 512: ... Service Guide Assembly Replacement Procedures Power Supply Assembly 3 Replace the rear panel Refer to the Rear Panel replacement procedure 4 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Page 513: ...bly out from the chassis Figure 16 79 CPU Assembly Removal Replacement 1 Slide the CPU assembly into the slot at the rear of the instrument and push on the assembly to mate the connectors to the midplane assembly Secure the board with the ejectors If the A4BT1 CPU board battery is being changed refer to Chapter 17 Post Repair Procedures for setup instructions Danger of explosion if battery is inco...

Page 514: ...30B PXA Signal Analyzer Service Guide Assembly Replacement Procedures CPU Assembly 2 Refer to Figure 16 79 Replace the six screws 1 0515 0372 that attach the CPU assembly to the chassis Torque to 9 inch pounds ...

Page 515: ... after the drive is replaced For information on how to backup this data see the Calibration Data Backup and Restore section in Chapter 17 Post Repair Procedures of this manual If this data cannot be backed up because the instrument will not fully boot go ahead and change the A5 Disk Drive and perform all adjustments listed in Chapter 17 Post Repair Procedures for the A5 assembly Electrostatic disc...

Page 516: ...uide Assembly Replacement Procedures Disk Drive 3 Refer to Figure 16 80 Locate and remove the existing disk drive carrier assembly 2 from the instrument by loosening the rear panel screw 1 Figure 16 80 Removing the Disk Drive Carrier Assembly ...

Page 517: ...lyzer Service Guide 517 Assembly Replacement Procedures Disk Drive 4 Refer to Figure 16 81 Remove the 4 machine screws 1 0515 0372 from the disk drive carrier assembly that secure the drive 2 Figure 16 81 Disk Drive Screws ...

Page 518: ...Refer to Figure 16 80 Replace the disk drive carrier assembly 2 into the instrument and tighten the screw to 9 in pounds 8 Locate the Windows License Sticker from the kit and apply the sticker to the rear of the instrument as shown in Figure 16 82 covering the existing license sticker Figure 16 82 Windows License Sticker Rear Panel Location 9 Refer to Chapter 17 Post Repair Procedures and perform ...

Page 519: ... for the instrument Refer to the Disk Drive removal procedure 2 Remove the A4 CPU assembly from the instrument Refer to the CPU Assembly removal procedure 3 Refer to Figure 16 83 Remove the A4 CPU assembly cover 1 by first removing the 19 flat head screws 2 0515 1227 and 3 pan head screws 3 0515 0372 Figure 16 83 A4A1 Disk Drive Interconnect Board Removal ...

Page 520: ... Interconnect board 5 into the A4 CPU assembly by carefully sliding it into place from the disk drive bay opening 6 2 Install the 2 screws 4 0515 0372 that secure the A4A1 Disk Drive Interconnect board to the A4 CPU assembly and torque them to 9 inch pounds 3 Replace the A4 CPU assembly cover 1 and attach it with the 19 flat head screws 2 0515 1227 and the 3 pan head screws 3 0515 0372 Torque all ...

Page 521: ...ure 2 Remove the rear panel Refer to the Rear Panel removal procedure 3 Refer to Figure 16 84 Remove cables W26 W39 W42 and W47 from the bottom of the DIF assembly 4 Refer to Figure 16 85 Pull the AIF DIF assembly part way out of the chassis Remove cables W25 W36 and W42 from the AIF assembly 5 The AIF DIF assembly can be removed from the chassis by pulling straight out the back Figure 16 84 DIF C...

Page 522: ...522 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures AIF DIF Assembly Figure 16 85 AIF Cables ...

Page 523: ...n cable W43 from the AIF assembly 2 Refer to Figure 16 86 From underneath the assembly remove the three screws 3 0515 0372 Figure 16 86 AIF DIF Separation 1 To pair the AIF and DIF together again set the DIF in position over the AIF Reinstall the three screws 0515 0372 removed before Torque to 9 inch pounds starting with the middle screw 2 Reconnect the ribbon cable W43 ...

Page 524: ...he assembly to mate the connectors to the motherboard assembly 2 Refer to Figure 16 85 Replace cables W25 W36 and W42 to the AIF assembly 3 Refer to Figure 16 84 Replace cable W26 W39 W42 and W47 to the bottom of the DIF assembly 4 Replace the rear panel Refer to the Rear Panel replacement procedure 5 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Page 525: ...e RF side bracket Perform step 3 on page page 439 3 Refer to Figure 16 87 Option B2X instruments will only have one Wideband Digital I F board Option B5X instruments will have both boards Unplug the flex circuit cables from each Wideband Digital I F board Remove the four screws 1 attaching the Wideband Extension assembly 2 to the chassis The A28 Wideband Extension assembly can now be removed from ...

Page 526: ... attach to the new Wideband Extension board taking care to connect them to the same connectors as the old board Refer to Figure 16 89 Option B2X instruments will have one flex cable Option B5X instruments will have two flex cables 7 When replacing the EMI gasket notice the gasket has a small square hole and needs to be aligned with the square hole on the Wideband Extension Board casting There is a...

Page 527: ...he flex circuit cable from the Wideband Extension J1 to the connector on the WB Digital IF assembly If the instrument has two WB Digital IF boards connect the flex circuit attached to the Wideband Extension J2 J2 is connector is on the edge of the Wideband Extension to the front WB Digital IF board in the card cage Connect the other flex circuit from the WB Digital IF Extension J1 to the rear WB D...

Page 528: ...he two option boards 7 Remove the CPU assembly Refer to the CPU Assembly removal procedure 8 Remove the power supply assembly Refer to the Power Supply Assembly removal procedure 9 Remove the AIF DIF assembly Refer to the AIF DIF Assembly removal procedure 10 Remove the Front End Control assembly Refer to the Front End Control Assembly removal procedure 11 Remove the LO Synthesizer assembly Refer ...

Page 529: ...N9030B PXA Signal Analyzer Service Guide 529 Assembly Replacement Procedures Motherboard Assembly Figure 16 90 Midplane Bracket Removal Figure 16 91 Bottom Screws ...

Page 530: ...ervice Guide Assembly Replacement Procedures Motherboard Assembly 16 Refer to Figure 16 92 Remove the left side chassis 1 same side as the fan by removing the nine screws 2 0515 0372 six on the bottom Figure 16 92 Chassis Side Removal ...

Page 531: ...moval Replacement 1 Refer to Figure 16 93 Place the motherboard 1 on standoffs and slide into position in the chassis and replace the four screws 2 0515 0372 Torque to 9 inch pounds 2 Refer to Figure 16 92 Replace the left side chassis by replacing the nine screws 0515 0372 Torque to 9 inch pounds 3 Refer to Figure 16 90 Replace the midplane bracket 1 by replacing the eight screws 2 0515 0372 Torq...

Page 532: ...r supply assembly Refer to the Power Supply Assembly replacement procedure 11 Replace the reference assembly Refer to the Reference Assembly replacement procedure 12 Replace the rear panel Refer to the Rear Panel replacement procedure 13 If Option B1X is present in the instrument install the two option boards 14 Ensure all cables are plugged in or connected and torqued 15 Replace the RF bracket Re...

Page 533: ...nstrument Outer Case removal procedure 2 Remove the top brace Refer to the Top Brace and Power Supply Bracket removal procedure 3 Remove the Front Frame Assembly Refer to the Front Frame Assembly removal procedure 4 Refer to Figure 16 94 Remove the twelve remaining screws 1 0515 0372 that attach the fan assembly to the chassis Figure 16 94 Fan Assembly Removal ...

Page 534: ... Signal Analyzer Service Guide Assembly Replacement Procedures Fan Assembly 5 Refer to Figure 16 95 Unplug the fan wires from the motherboard The fan assembly can now be lifted from the chassis Figure 16 95 Fan Wires ...

Page 535: ...The rivets may need to be cut or pushed out from behind They are not reusable Figure 16 96 Fan Replacement 2 Position the new fan on the work surface with the arrows pointing to the right and down 3 Orient the fan guard so that the rings are on the outside and that the V of the support legs are pointing to the neighboring fan 4 With the rivets center posts raised snap the rivets into place through...

Page 536: ...s Replace the twelve screws 1 0515 0372 to attach the fan assembly to the chassis Ensure the fan wires are not pinched Torque to 9 inch pounds 3 Replace the Front Frame Assembly Refer to the Front Frame Assembly replacement procedure 4 Replace the top brace Refer to the Top Brace and Power Supply Bracket replacement procedure 5 Replace the instrument outer case Refer to the Instrument Outer Case r...

Page 537: ...dure 3 Refer to Figure 16 97 Disconnect the semi rigid cable W2 from the Input Connector Assembly Figure 16 97 Input Connector Assembly Removal 4 Remove the two screws 1 0515 0372 that attach the Input Connector Assembly to the chassis The connector assembly can now be lifted from the chassis Replacement 1 Refer to Figure 16 97 Place the Input Connector Assembly into position in the chassis Replac...

Page 538: ...ctor Assembly 2 Reconnect the semi rigid cable W2 to the Input Connector Assembly Torque to 10 inch pounds 3 Replace the Front Frame Assembly Refer to the Front Frame Assembly replacement procedure 4 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Page 539: ...cable connection 1 on LO IF cable 3 Refer to Figure 16 98 Using the T 10 driver remove the eight screws 2 0515 2032 four on each side to detach the Front Frame Assembly from the chassis 4 Refer to Figure 16 99 Pull the Front Frame Assembly carefully away from the chassis Remove the ribbon cable W1 from the motherboard The cable has locking tabs on each side pinch and pull to release Figure 16 98 F...

Page 540: ...e engaged 2 Refer to Figure 16 98 Carefully position the Front Frame Assembly onto the chassis Ensure no cables are crushed Replace the eight screws 2 0515 2032 four on each side of the chassis Torque to 9 inch pounds 3 If option EXM External Mixing is installed attach semi rigid LO IF cable Torque to 10 inch pounds 4 Replace the outer case Refer to the Instrument Outer Case replacement procedure ...

Page 541: ...to any of the Front Frame assemblies requires removal of the Front Frame Assembly from the chassis Table 16 17 Front Frame Parts Item Description 1 A1MP14 Shield 2 A1A1 Front Frame 3 A1MP10 Bracket front panel shield 4 A1A2 Front Panel Control Board 5 A1MP11 Display Bracket Front Panel A1W1 Flex Circuit Display to Front Panel Control Board A1W2 Cable Assembly Backlight ...

Page 542: ...542 N9030B PXA Signal Analyzer Service Guide Assembly Replacement Procedures Front Frame Assembly Figure 16 101 Front Frame Exploded View ...

Page 543: ...pad 7 Braided Gasket 8 EMI Gasket 9 A1A4 Keyboard PCA 10 A1A2 Front Panel Control Board 11 A1A3 Liquid Crystal Display 10 6 in w PCAP Touch 1280X768 Pixels 12 A1MP9 Display hold down compression pad 13 A1MP11 Display Bracket Front Panel 14 A1MP10 Bracket front panel shield 15 A1W1 Flex Circuit Display to Front Panel Control Board 16 A1W2 Cable Assembly Backlight 17 A1MP14 Shield 18 W1 Cable ribbon...

Page 544: ...2 Front Panel Shield 1 Refer to Figure 16 102 Remove ribbon cable W1 2 To remove the front panel shield 1 remove the eight screws 2 0515 0372 3 When replacing the front panel shield torque all screws to 9 inch pounds When replacing ribbon cable W1 press firmly on each side to ensure the hooks catch on the boards mating connector ...

Page 545: ...ure 16 100 Remove cables A1W1 and A1W2 2 When replacing the cables dress in the appropriate cable clamps Front Panel Control Board and Shield 1 Refer to Figure 16 103 To remove the Front Panel Control Shield 1 remove the two screws 2 0515 1946 and the two screws 3 0515 0372 Figure 16 103 Front Panel Control Shield and Board Removal ...

Page 546: ...mbly Replacement Procedures Front Frame Assembly 2 Refer to Figure 16 104 To remove the Front Panel Control board 1 remove the seven screws 2 0515 0372 When replacing the board torque the screws to 9 inch pounds Figure 16 104 Front Panel Control Board ...

Page 547: ...isplay Assembly Removal 1 Refer to Figure 16 105 Remove the four screws 2 0515 0372 and the seven screws 3 0515 1946 The display assembly 1 can now be lifted out of the front frame When replacing the display assembly in the front frame torque the screws to 9 inch pounds Figure 16 105 Display Removal ...

Page 548: ...ures Front Frame Assembly 2 Refer to Figure 16 106 To separate the display and display holddown from the display bracket remove the four screws 1 0515 0365 When reassembling the display assembly torque the screws to 2 inch pounds Figure 16 106 Display and Bracket Separation ...

Page 549: ...pad 1 Refer to Figure 16 107 Remove the RPG knob by carefully pulling it off the shaft To remove the keyboard 1 remove the eight screws 2 0515 0430 When replacing the keyboard into the front frame torque the screws to 9 inch pounds Replace the RPG knob by firmly pushing it onto the shaft Figure 16 107 Keyboard ...

Page 550: ... To separate the keypad from the keyboard pull the keypad away from the keyboard to release the multiple rubber tabs Figure 16 108 Keyboard Keypad Separation 3 Remove the protective film from the new keypad if replacing Lay the keypad on the keyboard and pull up on the tabs from the back of the board to seat them in place ...

Page 551: ... are three things you should do before starting any of the procedures listed or described in this chapter Familiarize yourself with the safety symbols and read the general safety considerations and the safety note definitions in the front of this guide before you begin the procedures in this chapter Check that the analyzer has been turned on and allowed to warm up Ensure that the analyzer is opera...

Page 552: ...verification test Making the recommended adjustments and or performance verification tests doesn t guarantee all published specifications are being met Only a full instrument calibration will do this The following procedures are also included in the Additional Tasks on page 557 Calibration Data Backup and Restore BIOS Settings Verification End User License Agreement EULA Acceptance FPGA Synchroniz...

Page 553: ...embly FPGA Synchronizationb Power Bandwidth Accuracy Resolution Bandwidth Switching Uncertainty Residual Responses Displayed Average Noise Level IF Frequency Response Option B25 B40 B1X Absolute Amplitude Accuracy Display Scale Fidelity A4 CPU Assembly BIOS Settings Verificationb Set Instrument Time and Datec Residual Responses Displayed Average Noise Level A4BT1 Battery BIOS Settings Verification...

Page 554: ...ize Noise Floor NF2 If instrument frequency range is 26 5 GHz software revision A 11 03 or greater is required Residual Responses Displayed Average Noise Level Spurious Responses Third Order Intermodulation Second Harmonic Distortion Absolute Amplitude Accuracy Frequency Response All Tests A13 Front End Assembly Frequency Response All Tests Attenuator Slope TOI Adjustment Effective DANL NFE Charac...

Page 555: ...esponses Displayed Average Noise Level A18 BBIQ Interface Board Option BBA Press Input Output I Q I Q Cable Calibrate in IQ Analyzer mode Absolute Amplitude Option BBA Adjust Residual Responses Displayed Average Noise Level Absolute Amplitude Accuracy at 250 kHz Frequency Response Below 250 kHz Frequency Response above 250 kHz Channel Match A19 BBIQ Main Board Option BBA FPGA Synchronization b Pre...

Page 556: ...s and most adjustments For details go to http www keysight com find calibrationsoftware b See the Additional Tasks section in this chapter for detailed instructions on this task c To set the instrument time and date press Start Control Panel Date Time Language and Regional Options Date and Time d Before replacing the A5 Disk Drive see the Calibration Data Backup and Restore section in this chapter...

Page 557: ... backup procedure to be run will depend on whether the software will run or not If the Instrument Software Application Will Run 1 Connect a USB keyboard and mouse to two of the instrument rear panel USB ports 2 Connect a USB FLASH drive to one of the front panel USB port 3 Press System Alignments Backup or Restore Align Data 4 The Alignment Data Wizard window as shown in Figure 17 1 will appear Wh...

Page 558: ... Instrument Software Application Will Not Run 1 Connect a USB mouse to one of the instrument front panel USB ports 2 Connect a USB FLASH drive to the other front panel USB port 3 Using the mouse double click on the Windows Explorer link on the desktop and navigate to the following folder C Program Files Agilent SignalAnalysis Physics 4 Double click on BackupAndRestore exe and the window shown in F...

Page 559: ...d press OK 7 Select Backup and wait for the calibration database to be backed up 8 When the backup has completed close the Calibration Data Backup And Restore window While you can use the Make New Folder button in the Browse For Folder dialog box to create a sub folder on the USB FLASH drive and you can specify a filename in the Specify Backup Folder or File Name window you can also just use the r...

Page 560: ...ier used to backup the instrument calibration file and insert it into one of the instrument front panel USB ports 3 Restore the instrument calibration data by pressing System Alignments Backup or Restore Align Data The Alignment Data Wizard window as shown in Figure 17 1 will appear 4 Follow the on screen instruction to restore the previously saved calibration data from the USB FLASH drive 5 Cycle...

Page 561: ... assembly or A4BT1 CPU battery is replaced This setting needs to be correct in order for the analyzer to always boot up correctly IDE HDD must be set to 1 in the Boot priority order Changing and saving these BIOS settings requires a USB external keyboard Changes to the BIOS are fairly straightforward and should take 30 seconds Verifying Boot Priority serial numbers MY SG US 52200000 1 Connect an e...

Page 562: ...vice Guide Post Repair Procedures Post Repair Procedures 4 Press F2 on the external keyboard when at the Keysight Technologies splash screen to enter the CPU BIOS Setup Utility as shown in Figure 17 4 Figure 17 4 CPU BIOS Setup Utility ...

Page 563: ...edures 5 Press the Right Arrow on the external keyboard three times to highlight the Boot tab as shown in Figure 17 5 Figure 17 5 Boot Tab Highlighted 6 With Boot Order highlighted as shown in Figure 17 5 press Enter on the external keyboard to enter the Boot Order Configuration screen ...

Page 564: ...rvice Guide Post Repair Procedures Post Repair Procedures Figure 17 6 Boot Tab Highlighted 7 If IDE HDD is not listed first in the boot priority press the Down Arrow on the external keyboard to highlight IDE HDD as shown in Figure 17 6 ...

Page 565: ...s the key on the external keyboard to bring IDE HDD to the top of the list as shown in Figure 17 7 Figure 17 7 IDE HDD at Top of List Save Changes 1 Press F10 on the keyboard to save changes 2 Press the Enter key on the external keyboard to confirm the BIOS configuration changes as per Figure 17 8 ...

Page 566: ...566 N9030B PXA Signal Analyzer Service Guide Post Repair Procedures Post Repair Procedures Figure 17 8 Confirm BIOS Configuration ...

Page 567: ...and configuration If you do not accept this agreement the instrument shuts down and the next time you turn it on the Windows XP Setup Wizard starts from the beginning again Accepting the End User License Agreement EULA Screen The instrument will display the Keysight Welcome Screen shown in Figure 17 9 and wait for Enter to be pressed to continue Figure 17 9 Keysight Welcome Screen The Microsoft En...

Page 568: ...3 When the Windows XP License Agreement window comes up select I accept this agreement and press Next 4 The Date and Time Settings screen is used to set the appropriate date time and time zone These settings will be configured later by the end user Select Next to continue the Windows XP Setup Wizard 5 Wait for the Windows XP Setup Wizard to complete The instrument will restart itself a few times 6...

Page 569: ...ation software by pressing File Exit Enter using the front panel keys 2 Connect a USB mouse to one of the instrument front panel USB ports 3 Using the mouse click Start Log Off Log Off 4 Re login as administrator The default password is Keysight4u Click OK 5 Using the mouse double click on the Windows Explorer link on the desktop and navigate to the following folder C Program Files Agilent SignalA...

Page 570: ...Utility 8 To program the FPGA code enter 1 and press Enter You will need to confirm this selection by pressing 1 and Enter one more time 9 The programming of the FPGA code could take a few minutes to complete Once it has finished the instrument will reboot itself to use the new code and this process will then be completed ...

Page 571: ...ability that was available prior to the A7 Midplane board assembly replacement To program the model and serial numbers into a replacement A7 Midplane board assembly the N7814A Keysight X Series Signal Analyzer Calibration Application Software will be required Information regarding N7814A Keysight X Series Signal Analyzer Calibration Application Software can be found at http www keysight com find c...

Page 572: ...572 N9030B PXA Signal Analyzer Service Guide Post Repair Procedures Post Repair Procedures ...

Page 573: ...ifications using a minimum set of test equipment If a test does not pass performance verification tests must be run to determine whether a problem exists Functional tests use a minimum set of test equipment to check a much smaller range of parameters and a limited number of data points for each parameter than do performance verification tests Functional tests use limits that are wider than the pub...

Page 574: ...st equipment refer to individual instrument documentation for warm up specifications 4 Ensure that the analyzer s frequency reference is set to Internal a Press the Input Output More Freq Ref In keys b If the Freq Ref In softkey does not show Internal press the Freq Ref In softkey and select Internal 5 Following instrument warm up perform the auto align routine Press System Alignments Align Now Al...

Page 575: ...nnector saver for source Frequency 10 MHz to 26 5 GHz VSWR 1 1 1 83059B 1250 1749 All BNC f to SMA m Frequency 40 MHz 1250 1200 All Type N f to Type N f Frequency 10 MHz to 18 GHz VSWR 1 05 1 1250 1472 1250 0777 All Type N m to 3 5 mm m Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1743 All Type N m to 3 5 mm f Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1744 All Type N f to 3 5 mm f Frequency 10 MHz ...

Page 576: ...3630B 83640B 83650B BBA RF Signal Generator Frequency 250 kHz to 40 MHz Amplitude 10 dBm Flatness 0 75 dB E4438C 33250A Power Meter All Power Meter Power Reference Accuracy 1 2 Compatible with power sensor E4418B E4419B All Power Sensor Frequency Range 50 MHz to 3 66 GHz Amplitude Range 70 to 20 dBm 8481D 8487D 8485D 503 508 513 Power Sensor Frequency Range 50 MHz to 13 66 GHz Amplitude Range 30 t...

Page 577: ...s 6 dB Tracking Between Ports 0 25 dB 11667B 503 508 513 Power Splitter Nominal Insertion Loss 6 dB Tracking Between Ports 0 25 dB 11667A 11667B All Termination 50 W Type N m Connector Frequency 30 Hz to 26 5 GHz 909A Option 012 BBA Termination 50 W BNC m Connector Frequency 250 kHz to 40 MHz 11593A a Maximum frequency equal to or greater than the maximum frequency of the PXA b PSG model numbers E...

Page 578: ...is normalized to a 1 Hz bandwidth Figure 18 1 DANL Test Setup Procedure 1 Configure the equipment as shown in Figure 18 1 2 Press Mode Spectrum Analyzer Mode Preset on the analyzer 3 Set up the signal analyzer by pressing FREQ Channel Center Freq 10 MHz Input Output RF Input RF Coupling select DC SPAN X Scale Span 10 kHz AMPTD Y Scale 70 dBm AMPTD Y Scale Attenuation MechAtten 0 dB BW Res BW 1 kHz...

Page 579: ...e specification value 12 Change the analyzer center frequency to the next value listed in Table 18 2 Press FREQ Channel Center Freq Table 2 1 Value GHz 13 Repeat step 4 through step 12 to fill in the remainder of Table 18 2 for your analyzer frequency range Ignore the residual response if one appears when taking the measurement The 30 dB value is added because the formula used to calculate the val...

Page 580: ...be tested Frequency reference error is eliminated by using the same frequency standard for the analyzer and signal source Figure 18 2 Frequency Readout Accuracy Test Setup 0 25 span 5 RBW 2 Hz 0 5 horizontal resolution Item Critical Specification for this test Recommended Keysight Model Adapter Type N m to 3 5 mm f Frequency 10 MHz to 1 51 GHz VSWR 1 1 1 1250 1744 Adapter 3 5 mm f to 3 5 mm f Freq...

Page 581: ...unctioning correctly the marker reading in the active function block will be between the values listed in Table 18 3 Record the marker value in the Marker Frequency Readout column in Table 18 3 5 On the signal analyzer change the span and center frequency as listed in Table 18 3 6 Change the synthesized sweeper frequency to match the center frequency of the analyzer 7 Repeat step 4 through step 6 ...

Page 582: ...product displayed on the analyzer Applied Frequency Mixer Levela Distortion 40 MHz 15 dBm 60 dBc a Mixer Level Input Level RF Attenuation Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to BNC f Frequency 10 MHz to 80 MHz VSWR 1 05 1 1250 1476 Adapter BNC f to SMA m Frequency 40 to 80 MHz 1250 1200 Adapter 3 5 mm f to 3 5 mm f Frequency 10 MHz to 80 MHz VSWR ...

Page 583: ...0 MHz Amplitude 5 dBm 4 Set up the signal analyzer by pressing Input Output More Freq Ref In External FREQ Channel Center Freq 40 MHz SPAN X Scale Span 1 MHz AMPTD Y Scale Attenuation Mech Atten 10 dB 5 On the analyzer press Peak Search 6 Adjust the synthesized sweeper amplitude for a signal analyzer display of 5 dBm 0 1 dB 7 On the signal analyzer activate the marker delta function by pressing th...

Page 584: ...stortion SHD 9 Press Peak Search Enter the displayed value under the Measured Second Harmonic Distortion dBc heading in Table 18 4 Table 18 4 Second Harmonic Distortion Results Applied Frequency MHz Measured Second Harmonic Distortion dBc Mixer Level dBm Specification dBc 40 15 60 ...

Page 585: ...ation and resolution bandwidth are varied on the signal analyzer The source amplitude is measured by the power meter and signal analyzer at each setting and the values compared The difference between each pair of measurements indicates the amplitude accuracy Item Critical Specifications Recommended Keysight Model Adapter Type N m to 3 5 mm m 1250 1743 Adapter 3 5 mm f to 3 5 mm f 83059B Attenuator...

Page 586: ...r has not been performed within the past 24 hours press System Alignments Align Now All to perform the auto alignment routine 4 Press Mode Spectrum Analyzer Mode Preset on the analyzer 5 Set up the synthesized sweeper by pressing CW 50 MHz Power Level 4 dBm RF On 6 Set up the signal analyzer by pressing Input Output More Freq Ref In External FREQ Channel Center Freq 50 MHz SPAN X Scale 2 MHz AMPTD...

Page 587: ...the power meter in the Power Meter Amplitude column of Table 18 5 e On the signal analyzer press Restart f Wait for the signal analyzer to finish averaging g Press Peak Search h Record the signal amplitude as measured by the analyzer in the Measured Amplitude column of Table 18 5 i Calculate the signal amplitude accuracy error using the following equation and record the results under the Amplitude...

Page 588: ...s listed in Table 18 6 6 Record the synthesized sweeper amplitude as measured by the power meter in the Power Meter Amplitude column of Table 18 6 7 On the signal analyzer press Restart 8 Wait for the analyzer to finish averaging 9 Press Peak Search 10 Record the signal amplitude as measured by the analyzer in the measured amplitude column of Table 18 6 11 Calculate the signal amplitude accuracy u...

Page 589: ...z to 8 4 GHz 2 5 dB 8 4 GHz to 13 6 GHz 3 0 dB 13 6 GHz to 26 5 GHz 3 5 dB 26 5 GHz to 34 5 GHz 3 5 dB 34 5 GHz to 50 GHz 4 2 dB Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to 3 5 mm m Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1743 Adapter 3 5 mm f to 3 5 mm f Frequency 10 MHz to 26 5 GHz VSWR 1 1 1 83059B Cable 3 5 mm 1 meter Opt 503 508 513 526 Frequen...

Page 590: ...ter Opt 503 508 513 526 Frequency Range 50 MHz to 26 5 GHz Tracking between ports 0 25 dB 11667B Power Splitter Opt 544 550 Frequency Range 50 MHz to 50 GHz Tracking between ports 0 40 dB 11667C Synthesized Sweeper Frequency Range 50 MHz to 50 GHza PSG a Maximum frequency of the sweeper must be greater than or equal to maximum specified fre quency of the PXA Item Critical Specifications for this t...

Page 591: ... Response Flatness Results Enter the amplitude of the signal displayed on the signal analyzer into the MeasAmp column of Table 18 7 11 Enter the power meter reading into the PowerMeter column of Table 18 7 12 Tune the synthesized sweeper and signal analyzer to the next frequency listed in Table 18 7 13 Enter the power sensor calibration factor into the power meter 14 For frequencies 3 6 GHz and ab...

Page 592: ...Measerror Flatness Normalized to 50 MHz FlatNorm Flatness Error Test Limits dB 50 MHz 0 Ref 1 GHz 1 5 dB 2 GHz 1 5 dB 3 GHz 1 5 dB 3 5 GHz 1 5 dB 4 GHz 2 5 dB 6 GHz 2 5 dB 8 GHz 2 5 dB 9 GHz 3 0 dB 11 GHz 3 0 dB 13 GHz 3 0 dB 14 GHz 3 5 dB 17 GHz 3 5 dB 20 GHz 3 5 dB 23 GHz 3 5 dB 26 GHz 3 5 dB 29 GHz 3 5 dB 32 GHz 3 5 dB 35 GHz 4 2 dB 38 GHz 4 2 dB 41 GHz 4 2 dB 42 5 GHz 4 2 dB 43 5 GHz 4 2 dB 46...

Page 593: ...mit Relative to 50 MHz 100 kHz to 3 6 GHz 2 0 dB 3 6 GHz to 8 4 GHz 3 0 dB 8 4 GHz to 13 6 GHz 3 5 dB 13 6 GHz to 26 5 GHz 4 0 dB 26 5 GHz to 34 5 GHz 4 0 dB 34 5 GHz to 50 GHz 5 0 dB Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to 3 5 mm m Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1743 Adapter 3 5 mm f to 3 5 mm f Frequency 10 MHz to 26 5 GHz VSWR 1 1 1 ...

Page 594: ...85D Power Sensor Opt P43 P44 P50 Frequency Range 50 MHz to 50 GHz Amplitude Range 65 dBm to 55 dBm 8487D Power Splitter Opt P03 P08 P13 P13 Frequency Range 50 MHz to 26 5 GHz Tracking between ports 0 25 dB 11667B Power Splitter Opt P43 P44 P50 Frequency Range 50 MHz to 50 GHz Tracking between ports 0 40 dB 11667C Synthesized Sweeper Frequency Range 50 MHz to 50 GHza PSG a Maximum frequency of the ...

Page 595: ...ess Single 9 Press the Peak Search key on the signal analyzer to position the marker on the peak of the signal 10 Refer to Table 18 7 Frequency Response Flatness Results Enter the amplitude of the signal displayed on the signal analyzer into the MeasAmp column of Table 18 7 11 Enter the power meter reading into the PowerMeter column of Table 18 7 12 Tune the synthesized sweeper and signal analyzer...

Page 596: ...Frequency Response Flatness Results Center Frequency Analyzer Amplitude Measamp Power Meter Measurement Powermeter Meas Error Measerror Flatness Normalized to 50 MHz FlatNorm Flatness Error Test Limits dB 50 MHz 0 Ref 1 GHz 2 0 dB 2 GHz 2 0 dB 3 GHz 2 0 dB 3 5 GHz 2 0 dB 4 GHz 3 0 dB 6 GHz 3 0 dB 8 GHz 3 0 dB 9 GHz 3 5 dB 11 GHz 3 5 dB 13 GHz 3 5 dB 14 GHz 4 0 dB 17 GHz 4 0 dB 20 GHz 4 0 dB 23 GHz...

Page 597: ...esponse Flatness Preamp On 46 5 GHz 5 0 dB 49 5 GHz 5 0 dB Table 18 8 Frequency Response Flatness Results Center Frequency Analyzer Amplitude Measamp Power Meter Measurement Powermeter Meas Error Measerror Flatness Normalized to 50 MHz FlatNorm Flatness Error Test Limits dB ...

Page 598: ...l marker is used to measure the reference amplitude The Marker Delta function is activated and the RF input is reduced using the external precision step attenuator Signal input levels from 0 dBm to 50 dBm are measured Item Critical Specifications for this test Recommended Keysight Model Adapter Type N m to 3 5 mm f Frequency 10 MHz to 18 GHz VSWR 1 1 1 1250 1745 Adapter 3 5 mm f to 3 5 mm f Freque...

Page 599: ...gnal analyzer by pressing Input Output More Freq Ref In External FREQ Channel Center Freq 50 MHz SPAN X Scale Span 1 MHz AMPTD Y Scale Ref Level 0 dBm Meas Setup Average Hold Number 10 Enter Trace Detector Trace Average Peak Search 5 Set the external 10 dB step attenuator to 0 dB 6 Adjust the amplitude on the signal source until the marker amplitude on the analyzer reads 15 dBm 0 2 dB 7 On the ana...

Page 600: ...ction by pressing Peak Search Marker Delta 9 Perform the following steps for each attenuator setting listed in the table below a Select the next External attenuator setting b Press the Restart key to trigger a 10 sweep average c Enter the delta marker value into Table 18 9 d Check delta marker reading against the test limits ...

Page 601: ...ce Guide 601 Functional Tests Scale Fidelity Table 18 9 Scale Fidelity Results External Attenuator Setting Minimum dB Marker Delta Value dB Maximum dB 0 N A Reference N A 10 11 0 9 0 20 21 0 19 0 30 31 0 29 0 40 41 0 39 0 50 51 0 49 0 ...

Page 602: ...e measurement at 250 kHz and subsequent frequencies is calculated and compared to the test limit Frequency Range Limit Relative to 250 kHz Frequency Range Limit Relative to 250 kHz 250 kHz to 10 MHz Standard 1 75 dB 250 kHz to 25 MHz Option B25 1 75 dB 250 kHz to 40 MHz Option S40 or SU1 1 75 dB Item Critical Specifications Recommended Keysight Model RF Signal Generator Frequency 250 kHz to 40 MHz...

Page 603: ... Input Frequency Response Option BBA only Figure 18 8 BBIQ Input Frequency Response Setup I Input Figure 18 9 BBIQ Input Frequency Response Setup I Input Figure 18 10 BBIQ Input Frequency Response Setup Q Input Figure 18 11 BBIQ Input Frequency Response Setup Q Input ...

Page 604: ...tion to the I input of the X Series analyzer see Figure 18 8 7 Press Mode Preset on the X Series analyzer Press System Show System Note if either of the options listed below are present N9030B B25 N9030B S40 N9030B B40 8 If none of the options listed in step 7 are present the maximum IQ bandwidth is 10 MHz 9 If N9030B B25 is present but N9030B S40 and N9030B B40 are not present the maximum IQ band...

Page 605: ...earch b Record the marker amplitude reading in Table 18 10 for the I Input at the current RF Signal Generator frequency Table 18 10 BBIQ Input Frequency Response I and I Inputs RF Signal Generator Frequency I Input I Input Test Limits Marker Amplitude Frequency Response Marker Amplitude Frequency Response 250 kHz 0 0 dB 0 0 dB 1 75 dB 2 MHz 1 75 dB 5 MHz 1 75 dB 7 5 MHz 1 75 dB 9 9 MHz 1 75 dB Sto...

Page 606: ...nect the BNC Cable between the RF Signal Generator RF Output and the Q input on the X Series analyzer see Figure 18 10 22 Connect the 50 Ohm termination to the Q input on the X Series analyzer see Figure 18 10 23 Set the RF Signal Generator frequency to 250 kHz 24 Press Peak Search on the X Series analyzer Record the marker amplitude reading in Table 18 11 for the Q Input at 250 kHz 25 Set the RF ...

Page 607: ... the following a Press Peak Search b Record the marker amplitude reading in Table 18 11 for the Q Input at the current RF Signal Generator frequency 31 In Table 18 10 and Table 18 11 calculate the Frequency Response for each input by subtracting the Marker Amplitude at 250 kHz for that input from the Marker Amplitude for each frequency greater than 250 kHz 32 Compare the Frequency Response values ...

Page 608: ...608 N9030B PXA Signal Analyzer Service Guide Functional Tests BBIQ Input Frequency Response Option BBA only ...

Page 609: ...rvice Guide 19 Instrument Software What You Will Find in This Chapter Instrument Software Overview on page 610 Software Licensing on page 610 Software Updates on page 611 Instrument Measurement Application Software on page 611 89600 VSA Software on page 611 ...

Page 610: ...vision associated with it which can also be found on this screen as the Instrument S W Revision Since the instrument application software is distributed in one complete package when an update is installed they are all updated at the same time One of the benefits of this is that you cannot have revisions that are incompatible with each other installed in an instrument However there is one exception...

Page 611: ... of the software can be downloaded from www keysight com find xseries_software 89600 VSA Software Updates for the 89600 VSA software can be downloaded from http www keysight com find 89600_VSA_sw_download The revision of the 89600 VSA software must be compatible with the revision of the instrument measurement application software package that is installed in the instrument To determine what revisi...

Page 612: ...612 N9030B PXA Signal Analyzer Service Guide Instrument Software Software Updates ...

Page 613: ...ront Panel USB Interface Board description 319 A2 analog IF assembly description 226 part number 380 removal 521 troubleshooting 230 A25 wideband analog IF assembly removal 505 A26 wideband digital IF assembly removal 505 A28 wideband extension board removal 525 A3 digital IF assembly description 237 part number 380 removal 521 troubleshooting 240 A4 CPU assembly description 278 part number 380 re...

Page 614: ...75 Electronic Attenuator Test Option EA3 troubleshooting 161 187 electrostatic discharge 25 enabling spread spectrum 565 entitlement certificate 16 equipment adjustments 32 functional tests 575 performance verification tests 32 warm up time 574 error messages 52 83 84 example 86 format 85 viewing messages in queue 87 error queues capacity 86 clearing 87 front panel 86 overflow handling 86 remote i...

Page 615: ...ixing equations 162 188 low band path 148 174 low band preamplifier path 149 175 low band signal level verification 81 low band switch see A11 low band switch low band troubleshooting 154 180 Low Noise Path Option LNP troubleshooting 171 197 M major assembly locations 433 manual set 20 measurement application updating 610 Measurement Guides and Programming Examples Guides on CD ROM 20 message URL ...

Page 616: ...tion 81 Snapshot Alignments menu description 367 software licensing 610 specifications 52 Specifications Guide on CD ROM 20 splash screen 54 65 67 splitters 22 spread spectrum 565 standby LED 57 static safety accessories 22 static safe workstation 25 status messages 85 storage device USB 31 support URL 45 support web site 45 synthesizer see A14 L O synthesizer assembly T test equipment adjustments...

Page 617: ...This information is subject to change without notice Keysight Technologies 2016 2017 Edition 1 October 2017 N9030 90071 www keysight com ...

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