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510 Keysight Technologies N9040B UXA Signal Analyzer Service Guide

Functional Tests
Displayed Average Noise Level (DANL)

13.

Repeat

step 4

through

step 12

to fill in the remainder of

Table 17-1

for

your analyzer frequency range.

Table 17-1

Displayed Average Noise Level (DANL) Results

Center Frequency

Measured Average Noise Level

(dBm)

Normalized Average Noise

Level/(1 Hz BW) (dBm)

Test Limits

(dBm)

10 MHz

–153

2 GHz

–152

6 GHz

–148

13 GHz

–147

20 GHz

–140

26.5 GHz

–133

Содержание N9040B Option 513

Страница 1: ...040B UXA Signal Analyzer This manual provides documentation for the following models N9040B Option 508 3 Hz 8 4 GHz N9040B Option 513 3 Hz 13 6 GHz N9040B Option 526 3 Hz 26 5 GHz N9040B Option 544 3 Hz 44 GHz N9040B Option 550 3 Hz 50 GHz ...

Страница 2: ...oftware 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 s weula 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 The EULA and the license set forth therein does not re...

Страница 3: ...s by email subscribe to Keysight Email Updates at the following URL http www keysight com find MyKeysight Information on preventing instrument 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 pro...

Страница 4: ...4 ...

Страница 5: ... of Electronic Components and ESD 24 Test Equipment Usage and ESD 24 For Additional Information about ESD 24 Instrument Maintenance 25 Cleaning the Instrument 25 Cleaning Connectors 25 Battery Information 26 Service Equipment You Will Need 27 Tools you will need 27 Calibration Application Software 27 Front End Controller Troubleshooting Kit 28 USB Keyboard and Mouse 29 USB Storage Device 29 Requir...

Страница 6: ...ith Input Frequencies 3 6 GHz 72 3 Instrument Messages Introduction 73 Event and Condition Categories 74 Event Message Format 75 Event Queues 76 Advisory Messages 78 Event Messages 84 800 Operation Complete Event 85 700 Request Control Event 85 600 User Request Event 85 500 Power on Event 85 400 to 499 Query Errors 85 300 to 399 Device Specific Errors 86 221 Settings Conflict Errors 89 200 to 299 ...

Страница 7: ...Switch Logic and Power Supplies 172 Preselector Tune Output 178 Verifying SW3 Option LNP only 179 Verifying SW1 and SW2 Option MPB 179 RF Signal Tracing 180 Verifying Narrowband IF Out A15J900 180 Verifying Aux IF Out Rear Panel Option CR3 CRP ALV only 180 Standard UXA 180 Verifying Option CR3 181 Verifying Option CRP 182 Verifying Option ALV 183 6 Analog Digital IF Troubleshooting What You Will F...

Страница 8: ...Disk Drive Description 216 Drive Partitioning 217 Instrument Image Recovery System 218 A5 Disk Drive Troubleshooting 219 Troubleshooting Software Related Issues 219 Reloading the Instrument Application Software 219 Disk Drive Recovery Process 220 9 Power Supply Midplane Troubleshooting What You Will Find in This Chapter 223 A6 Power Supply Description 224 Purpose 224 Power Supply Theory of Operati...

Страница 9: ...width Assembly 248 Description 248 Signal Analyzer Hardware Requirements 248 1 GHz Analysis Bandwidth Assembly Theory of Operation 248 Operation and Verification 250 Advanced Troubleshooting 252 12 Block Diagrams What You Will Find in This Chapter 255 Block Diagrams 256 Analog IF Block Diagram 263 Digital IF Block Diagram 264 13 Service and Diagnostics Menus Overview 265 Controlling Access 266 Sec...

Страница 10: ... A9 A10 RF Attenuators 361 A11 Low Band Switch 365 A12 YTF Preselector 367 A20 YTO 370 Low Noise Path and Microwave Preselector Bypass Switches 371 A13 RF Front End Assembly 381 RF Area Options 544 550 388 To gain access to any of the RF section parts for removal follow these steps 388 After the part has been replaced follow these steps 389 A9 A10 RF Attenuators 390 A11 Low Band Switch 393 A12 YTF...

Страница 11: ... A2 AIF A3 DIF 447 Removal 447 Separate AIF DIF Assembly 448 Replacement 449 Fan Assembly 450 Removal 450 Fan Replacement 453 Replacement 454 Motherboards 455 Front Motherboard A8 Front Motherboard 455 Rear Motherboard A7 Rear Motherboard 462 Bottom Motherboard A24 Motherboard Interconnect 465 Input Connector 467 Removal 467 Replacement 468 Front Frame Assembly 469 Removal 469 Replacement 472 Fron...

Страница 12: ...MHz 516 Procedure 517 Testing Preamp Option P08 P13 P26 519 Frequency Response Flatness 520 Procedure 521 Frequency Response Flatness Preamp On 524 Procedure 526 Scale Fidelity 528 Procedure 529 18 Instrument Software What You Will Find in This Chapter 533 Instrument Software Overview 534 Software Licensing 534 Software Updates 535 Instrument Measurement Application Software 535 89601 VSA Software...

Страница 13: ...following sections are found in this chapter Keysight UXA Signal Analyzer Overview on page 14 Instrument Option Descriptions on page 15 Before You Start Troubleshooting on page 21 ESD Information on page 23 Service Equipment You Will Need on page 27 Required Test Equipment List on page 30 Contacting Keysight Technologies on page 38 How to Return Your Instrument for Service on page 42 ...

Страница 14: ...software will enable the analyzer to be configured as 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 ent...

Страница 15: ...13 6 GHz frequency range 526 3 Hz to 26 5 GHz frequency range 544 3 Hz to 44 GHz frequency range 550 3 Hz to 50 GHz frequency range ALV Auxiliary Log Video at rear panel Aux IF connector B25 25 MHz information bandwidth B40 40 MHz information bandwidth in addition to 25 MHz BW B2X 255 MHz information bandwidth B5X 510 MHz information bandwidth H1G 1 GHz information bandwidth Requires Option 550 CR...

Страница 16: ...used above 3 6 GHz Included on all units NF2 Noise Floor Extension Included on all units NUL IM Nulling Included on all units PFR Precision Frequency Reference Included on all units P08 Preamp 100 kHz to 8 4 GHz P13 Preamp 100 kHz to 13 6 GHz P26 Preamp 100 kHz to 26 5 GHz P44 Preamp 100 kHz to 44 GHz P50 Preamp 100 kHz to 50 GHz RT1 Real Time Basic Detection RT2 Real Time Optimum Detection RTL Re...

Страница 17: ...alyzer Documentation is updated periodically The latest updates can be accessed via the web at http www keysight com find UXA_manuals 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 hav...

Страница 18: ...as an input capacitance of 0 7 pF shunted by 1 MΩ of resistance and operates over a frequency range of 300 kHz to 3 GHz High probe sensitivity and low distortion levels allow measurements to be made while taking advantage of the full dynamic range of the spectrum analyzer AC Probe Low Frequency The Keysight 41800A low frequency probe has a low input capacitance and a frequency range of 5 Hz to 500...

Страница 19: ...els 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 Power Splitters The Keysight 11667A B C power splitters are two resistor type splitters that provide excellent output SWR at 50 Ω impedance The tracking between the two output arms over a broad frequency range allow...

Страница 20: ... Overview Signal Analyzer Accessories Static Safe Accessories 9300 1367 Wrist strap color black stainless steel Four adjustable links and a 7 mm post type connection 9300 0980 Wrist strap cord 1 5 m 5 ft 9300 0797 2 ft by 4 ft conductive mat with 15 ft grounding wire ...

Страница 21: ... personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so 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 detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts o...

Страница 22: ...et provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited Always use the three prong ac power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage This instrument has an autoranging line ...

Страница 23: ...otection o 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 F...

Страница 24: ...ble to an analyzer 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 ...

Страница 25: ...ith water to 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 irritat...

Страница 26: ...erator replaceable part See How to Return Your Instrument for Service on page 42 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 ...

Страница 27: ...eed 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 source locally TORX Hand Driver Size T 10 source locally TORX Hand Driver Size T 20 source locally 9 16 inch ...

Страница 28: ...60005 Front 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 6...

Страница 29: ...ferent troubleshooting 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 3 GB The calibration files are around 30 megabytes...

Страница 30: ...8257D Options 567 1EA 1EU 1E1 PSGc P T Microwave Signal Generator 2 only required for Third Order Intermodulation and Gain Compression E8257D Option 1EA 1EU PSGc 83630A B L Option 001 008 83640A B L Option 001 008 83650A B L Option 001 008 P Low Noise Signal Generator one PSG may be used for multiple sources See footnote c E8257D Options UNR UNX or UNY PSGc Options UNR UNX or UNY P T RF Signal Gen...

Страница 31: ...61B 5071A Option 001 10 MHz external referenceg P Attenuators see below for 10 dB Step Attenuatorh 8496G Option 001 H50 8496H Option 001 H50 P 1 dB Step Attenuatorh 8494G Option 001 H50 8494H Option 001 H50 P Attenuator Interconnect Kit Type N connector kit to connect the 8496G to the 8494G attenuator 11716A P Attenuator Driver 11713B 11713A P 3 dB Fixed Attenuator 8491A Option 003 8491B Option 00...

Страница 32: ... Power Splitter Type N f connector 11667A P Microwave Power Splitter 3 5 mm f connector 11667B P Directional Bridge Type N f connector 86205A P Directional Coupler SMA f connector 87300C P Microwave Power Divider 3 5 mm f connector 11636B P Cables Coaxial Cable 3 5 mm m to 3 5 mm m 2 required 11500E 8120 4921 P Type N precision Type N m both ends 2 required 11500C P T BNC 50 Ω Coaxial BNC m both e...

Страница 33: ...N f to Type N f 1250 1472 P Type N m to Type N m 1250 1475 P Type N f to BNC m 1250 1477 P T Type N m to BNC m 1250 1473 P T Type N m to BNC f 1250 1476 P Type N m to 3 5 mm m 1250 1743 Type N m to 3 5 mm f 2 Required 1250 1744 Type N f to 3 5 mm f for 3 5 mm source 1250 1745 Type N f to 3 5 mm m 1250 1750 3 5 mm f to 3 5 mm f for 3 5 mm source 83059B 1250 1749 P 3 5 mm m to 3 5 mm m 2 Required 83...

Страница 34: ...odel for the X Series performance verification tests due to its upper and lower frequency limits d Wenzel Associates Inc 2215 Kramer Ln Austin Texas 78758 512 835 2038 FAX 512 719 4086 e N1914A power meters with serial number prefix prior to MY53040007 require Service Note N1914A 07 which fixes a power supply ground loop The ground loop injects noise into the measurement circuits which can cause u...

Страница 35: ...working standards in N7800A TME calibrations 2 In the Americas region order the Keysight Cal Measurement Uncertainty for power sensor recalibration 3 Outside the Americas region order ISO 17025 ILAC G8 calibration service for power sensor recalibration g When using the 10 MHz External Reference be sure to update the Additional Properties in TME to the correct Frequency Accuracy in parts per millio...

Страница 36: ...al entry The overall resulting N7800A measurement uncertainties then reflects these lower device uncertainties The equipment requirements of each N7800A calibration application are summarized in the specials calibration matrix which can be found at the Recommended Lab Standards and Special Cal Options website 5 The Keysight Option H99 is a special option for the Roseville Service Center only which...

Страница 37: ...performance verification tests These tests are done using the N7800A Keysight Calibration Application Software Refer to Chapter 16 Post Repair Procedures for a list of post repair adjustments and performance tests based on which hardware has been changed Information regarding the N7800A Keysight Calibration Application Software can be found at http www keysight com find calibrationsoftware and htt...

Страница 38: ... keysight com find uxa_support 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 2 In any correspondence or telephone conversations refer to the instrument by its model number N9040B and full serial number ex MY49250887 With t...

Страница 39: ...40 United States 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 9...

Страница 40: ...Technologies 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 ...

Страница 41: ...ument and the 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...

Страница 42: ...or message 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 o...

Страница 43: ...ent from moving 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 i...

Страница 44: ...44 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Overview How to Return Your Instrument for Service ...

Страница 45: ... on page 47 Typical instrument boot up process flow on page 48 Potential Problems During Boot Process on page 51 Yellow Standby LED Does Not Illuminate on page 51 Green Power On LED Does Not Illuminate on page 54 Fan s Are Not Operating on page 58 No Keysight Splash Screen Displayed on page 60 Instrument Hangs at the Keysight Splash Screen on page 62 Instrument Cannot Completely Load or Run the Op...

Страница 46: ...by pressing 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...

Страница 47: ...g to be used 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 w...

Страница 48: ...Not Operating section in this chapter 5 The Keysight Technologies splash screen is displayed in white font on a dark background for 5 10 seconds after the analyzer is turned on If the Keysight Technologies logo is not displayed refer to the No Keysight Splash Screen Displayed section in this chapter If the instrument hangs at the Keysight Technologies splash screen refer to the Instrument Hangs at...

Страница 49: ...oading The N9040B UXA Signal Analyzer screen appears This screen remains for slightly over 1 minute If any of the initializing processes do not complete refer to the Initializations Did Not Complete section in this chapter 10 While the application software is loading the instrument will perform a number of internal alignments before the analyzer begins to sweep A screen with a black background app...

Страница 50: ... AlignmentHistory txt Look for any failed status for the various internal hardware items listed in this file Once the UXA 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 o...

Страница 51: ...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 paragraph 1 The Sta...

Страница 52: ...tial Problems During Boot Process Figure 2 3 A7 Midplane Board 5 1V_STBY LED Most DC power supplies come from the A6 Power Supply assembly However the most convenient measurement location for most of the DC supplies is the A7 Midplane Many power supply LED s are accessible once the instrument cover has been removed ...

Страница 53: ...5 1V_STBY LED on the A7 Midplane board on If yes After verifying that the connections from the yellow front panel 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 Before replacing the power supply verify the midplane and motherboard interconnects are mechanically secure ...

Страница 54: ... Standby LED Does Not Illuminate section before proceeding If the instrument turns on and operates properly but the green Power On 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 paragraph 1 The Power On LED will only turn on when the instrument is connected to an AC power source that...

Страница 55: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 55 Boot Up and Initialization Troubleshooting Potential Problems During Boot Process Figure 2 4 A7 Midplane Board LED s Rear View ...

Страница 56: ...ly cause 6 Power cycle the analyzer off and lift the A14 L O Synthesizer A21 Wideband Analog I F Opt B2X and B5X A16 Reference and A15 Front End Controller 7 Turn the analyzer power on and view the LED s 8 If the LED s are all turned on one of the lifted assemblies is the cause 9 Continue troubleshooting until the assembly casing the over current condition is determined 10 If one or more LED s is ...

Страница 57: ... assembly and Midplane board must be plugged in to test the power supply LED s Table 2 1 Power Supply Voltage Verification Test Point Description Expected Voltages VDC TP11 5 2 V_A 5 2 0 75 TP8 15 V_A 15 1 0 TP10 9 V_A 9 1 0 TP12 7 V_A 7 0 75 TP14 3 35 V_D 3 35 0 75 TP15 5 1 V_D 5 1 0 75 TP13 15 V_A 15 1 0 TP20 3 3 V_A 3 3 0 75 TP21 5 2 V_A 5 2 0 75 TP4 Fan_P 7 to 15 TP17 DCOM n a TP2 5 1 V_STBY 5...

Страница 58: ...reen Power On 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 Bef...

Страница 59: ...Midplane board is off Is the Fan_P LED off If yes Measure the voltage level at Test Point 4 on the A7 Midplane board Is the Test Point 4 voltage between 7 and 15 VDC If yes Replace the fan that is not working If not Replace the A6 Power Supply assembly Figure 2 6 A7 Midplane Board Fan_P Failure LED Test Point 4 Before replacing the power supply verify the midplane and motherboard interconnects are...

Страница 60: ... 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 Remove the AC power cord and then remove the instrument cover Refer to Chapter 15 Assembly Replacement Procedures on page 347 in this manual 2 Remove the Top Brace Refer to Chapter 15 Assembly Replacement Procedures on page 347 in this manu...

Страница 61: ...fter verifying 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...

Страница 62: ...ce Refer to Chapter 15 Assembly Replacement Procedures on page 347 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 233 Are all of the power supp...

Страница 63: ...e Keysight Recovery System If yes Run the Instrument Recovery System by referring to the Disk Drive Recovery Process on page 220 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 ...

Страница 64: ...above these signals are routed to the Touch Screen Display via the A7 Midplane Board A8 Motherboard and A1A2 Front Panel Interface board On the A1A2 Front Panel Interface board the LVDS signals are buffered and then sent to the Touch Screen Display 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 Touch Sc...

Страница 65: ...ory txt You will find the most current alignment information at the bottom of this file Look for the failed 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...

Страница 66: ...lignment Algorithm AIF 255 ADC Setup Alignment Algorithm Wide Band Analog IF or Wideband Digital IF AIF 255 ADC Clock Alignment Algorithm AIF 255 Flex Circuit Cable Test Algorithm W56 or W57 Flex circuit cable Dither Level Algorithm A3 Digital IF LO Nulling Simplex MB Alignment Algorithm A13 Front End Uses narrow BW switched filter LO Nulling Simplex WB Alignment Algorithm A13 Front End Uses wide ...

Страница 67: ...g Full MB Alignment Algorithm A13 Front End LO Nulling Min MB Alignment Algorithm A13 Front End LO Nulling Full WB Alignment Algorithm A13 Front End LO Nulling Min WB Alignment Algorithm A13 Front End Narrow Band Step Cal Adjustment Alignment Algorithm Alignment signal originates on A3 D IF then goes through A16 Reference through A13 Front End through A2 Analog IF and back to A3 Digital IF If Opti...

Страница 68: ...3 6 GHz AIF 255 RF Band 0 Chirp Cal Alignment Algorithm A21 Wideband Analog IF AIF 500 RF Band 0 Chirp Cal Adjustment Algorithm A21 Wideband Analog IF Could be either WB AIF assemblies See if AIF 255 Chirp Cal fails also Uses 1 2 GHz internal cal signal not viewable on screen and it is possible an external signal at the RF input will interfere Assure no external signals connected Band 0 is 3 6 GHz...

Страница 69: ...ath System Gain Algorithm Signal path from A13 Front End to A3 Digital IF A16 Reference may not be providing 50 MHz E Cal Low Band Nominal Path System Gain Algorithm A13 Front End 50 MHz calibrator on A16 Reference A9 and A10 Input attenuators Low Band Preamp Path System Gain Algorithm A13 Front End 50 MHz calibrator on A16 Reference A9 and A10 Input attenuators Low Band Elec Atten Path System Gai...

Страница 70: ...Reference A9 and A10 Input attenuators A15 Front End Controller High Band Preselector Bypass Path System Gain Algorithm SW 1 and SW 2 coax switches and cabling A15 Front End Controller 4800 MHz calibrator on A16 Reference A9 and A10 Input attenuators High Band Preselector Bypass Preamp Path System Gain Algorithm A11 Low Band Switch Preselector Bypass Switch s Burst Carrier Trigger Curve Fit Alignm...

Страница 71: ...Hz and Peak Search If 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...

Страница 72: ...rectly in high band the 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 f...

Страница 73: ...es An Event is simply a message indicating that 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 A Condition is a state of the analyzer which is characterized by a Detection event and a Clearing event Conditions may be Errors or Warnings Ev...

Страница 74: ...ace Error messages 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 avai...

Страница 75: ...ess a function 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...

Страница 76: ... When an error 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 qu...

Страница 77: ...el Status Front 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...

Страница 78: ...y range of 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 frequ...

Страница 79: ...ailable in 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 wa...

Страница 80: ...ntinuing The 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 s...

Страница 81: ...etup required 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 set...

Страница 82: ...setup required 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 ...

Страница 83: ... at a single 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 ...

Страница 84: ...efined by the 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 g...

Страница 85: ...er request 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 w...

Страница 86: ... GPIB and set 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...

Страница 87: ... hardware driver 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 du...

Страница 88: ...ilure msg field 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 ...

Страница 89: ...t RF IQ etc 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...

Страница 90: ...ameter under 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 nois...

Страница 91: ...tings conflict 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 avai...

Страница 92: ...tly set the 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 a...

Страница 93: ...s not available 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 ...

Страница 94: ...Span and MkrΔ 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 eith...

Страница 95: ...nflict Normalize 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 t...

Страница 96: ...elative Trigger 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...

Страница 97: ...T sweeps The 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 ...

Страница 98: ...ly base station 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 Au...

Страница 99: ...er is not 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 abov...

Страница 100: ... program execution 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 corre...

Страница 101: ...y 200 Execution 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 Func...

Страница 102: ...Trigger deadlock 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 starte...

Страница 103: ...range The value 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 ...

Страница 104: ...nough memory 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 Applic...

Страница 105: ...nt Log under 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 measuremen...

Страница 106: ... as possible 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 o...

Страница 107: ... 253 Corrupt 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 ...

Страница 108: ... could not 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 l...

Страница 109: ...s in a downloaded 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 ...

Страница 110: ...0 1 is not 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 t...

Страница 111: ...ontains more 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 ...

Страница 112: ...inition Indicates 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 Informa...

Страница 113: ...ter is fanned 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 n...

Страница 114: ...ith these bits 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 QUESt...

Страница 115: ...lignment Failure 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 t...

Страница 116: ...at the Input 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 114 Err Bit in status register Message Error or Warning More Information 3 System alignment required 65 0 unused 66 1...

Страница 117: ...th the DETECTED 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 114 Err Bit in status register Message Error or Warning Mor...

Страница 118: ...evel This is 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 tru...

Страница 119: ...e over voltage 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 dat...

Страница 120: ... line and nothing 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 analyze...

Страница 121: ...ttings Alert 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 da...

Страница 122: ... been detected 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 INT...

Страница 123: ... 126 microseconds W_CDMA Cannot synchronize measurement with PRACH 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 i...

Страница 124: ...e out of range Check that the LO frequency limits are set correctly 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 cod...

Страница 125: ...d during synchronous demodulation 1xEV DO Cannot 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 f...

Страница 126: ...alid EVM measurement cannot be performed because the input signal 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...

Страница 127: ...ysight Technologies N9040B UXA Signal Analyzer Service Guide 127 Instrument Messages Condition Messages 229 13 unused E 231 14 unused E Err Bit in Status Register Message Error or Warning More Information ...

Страница 128: ...ed These error 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 118 Err Status ...

Страница 129: ... cal range 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 Point...

Страница 130: ...asurement frequency 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 ...

Страница 131: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 131 Instrument Messages Condition Messages 329 14 unused W Err Status Register Bit Message Error or Warning Verbose Correction Information ...

Страница 132: ...along with 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 134 Err Bit in status register Message Error or Warning More Information 40...

Страница 133: ...a Frequency 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 134 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 ...

Страница 134: ...ery are true 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 POWe...

Страница 135: ...bit is the 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 ...

Страница 136: ...the DC Coupled 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 ...

Страница 137: ...mbers can be 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 134 Err Bit in status register M...

Страница 138: ...138 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Messages Condition Messages ...

Страница 139: ... section signal path The following sections are found in this chapter RF Section Description on page 140 Quick Check to Verify the Low Band Signal Path on page 146 Troubleshooting a Low Band Problem on page 150 Quick Check to Verify High Band RF Path on page 157 Troubleshooting a High Band Problem on page 161 Each section describes how the assembly works and gives information to help you troublesh...

Страница 140: ... used when the input frequency is 3600 MHz 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 o...

Страница 141: ...al to the low band input of the A13 RF Front End assembly 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 Direct to Mixer 1 The RF input signal is then mixed with the 1st LO from the A2...

Страница 142: ...LO and provides 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 hi...

Страница 143: ...han 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 Preselector has a 3 dB bandwidth greater than 40 MHz and an insertion loss of 6 5 dB The preselector requires centering for...

Страница 144: ...ion A13 RF Front End Assembly 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 ...

Страница 145: ...ling 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 standard on UXA YTF Preselector Input ...

Страница 146: ...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 Center Frequency 50 MHz Span 1 MHz Peak Search The 50 MHz reference signal should measure 50 MHz 25 dBm 2 dB on the anal...

Страница 147: ...owave Analyzers Troubleshooting IMPORTANT Turn off auto align by pressing System Alignments Auto Align Off Disconnect the W16 cable from A15J902 on the Front End Controller IF IN The end of W16 cable is easily accessed from the top of the instrument See Figure 4 2 Figure 4 2 W16 at Front End Controller ...

Страница 148: ... the same analyzer settings as in Figure 4 3 Figure 4 3 322 5 MHz Intermediate Frequency If this power level is correct the signal path from the A9 50 MHz Reference signal input port to W16 IF Output is operating correctly using a 50 MHz input calibrator signal Reconnect the W16 cable to A15J902 Flatness issues or power level problems at other input frequencies below 3600 MHz may exist This type o...

Страница 149: ... Press Input 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 t...

Страница 150: ...yzer 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 4 4 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 SW...

Страница 151: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 151 RF Section Troubleshooting RF Microwave Analyzers Troubleshooting Figure 4 4 RF Section ...

Страница 152: ...t RF Calibrator 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 A1...

Страница 153: ...frequency and power measure the A13 Front End assembly at A13A1J3 when the analyzer center frequency is 50 MHz This test port is chosen because removing cable W19 will not cause the analyzer LO phase lock loop to unlock which would affect the LO frequency measurement Analyzer settings should be FREQ Channel Center Frequency 50 MHz Span Zero Span System Alignments Auto Align Off The LO signal shoul...

Страница 154: ...th The Second LO input was tested during the Second LO Verification The LO input at W21 and the LO outputs were tested when performing the First LO Verification Electronic Attenuator Test Option EA3 The electronic attenuator is aligned as part of the System Gain internal alignment process See the description of the initial alignments and the location of the alignment history file in the Boot Up an...

Страница 155: ...l 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 switched into the signal path or the signal appears only when the attenuator is switched on suspect the control signals from the A15 Front End Controller are faulty or the A13 Front End assembly is faulty If the attenuator sw...

Страница 156: ...ttenuator and preamp at the same time To activate the internal preamplifier press AMPTD Signal Path On 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...

Страница 157: ... f to SMA f cable or adapter 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 1 MHz Peak Search The 4 8 GHz re...

Страница 158: ...yzer Service Guide RF Section Troubleshooting RF Microwave Analyzers Troubleshooting Disconnect cable W16 at A15J902 322 5 MHz output on the A15 Front End Controller See Figure 4 7 Select Span 0 Hz Figure 4 7 A15J902 Location Options 508 513 and 526 ...

Страница 159: ...g 31 4 dB as shown in Figure 4 8 Figure 4 8 322 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 YT...

Страница 160: ... 0515 1946 See Figure 4 9 Figure 4 9 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 adj...

Страница 161: ...or location of connector Loosen the other end of W15 which attaches to SW1to 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 10 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 per...

Страница 162: ... cable and the input to the A9 Attenuator Figure 4 11 RF Section A9 Input Attenuator A and A10 Input Attenuator B Verification Calibrator Switch Test On the A16 Reference assembly disconnect semi rigid cable W3 from A16J701 and measure A16J701 with a spectrum analyzer Expected signal is 4 8 GHz at 28 dBm 0 5 dB If signal level is incorrect suspect A16 Reference Assembly To verify calibrator switch...

Страница 163: ... analyzer connected to A10 Attenuator 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 Analyzer Under Test Attenuator Setting dB Power at A10 Output Port Input Attenuator Being Tested 0 0 dBm reference Both set to through path 2 2 A9 4 4 A9 6 6 A10 8 8 A9 s...

Страница 164: ...nel Center Frequency 4 8 GHz Span Zero Span System Alignments Auto Align Off The LO signal should measure 5122 5 MHz at 0 dBm 3 dB If the signal level is incorrect measure the signal coming from the A20 YTO In order to measure this signal and avoid an LO Unlock you will need to install a power splitter Remove the W20 cable that attaches to A14J2 Connect the input of the splitter to W20 cable using...

Страница 165: ...e Tap Signal Path Internal Preamp Low Band Full Range On 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 attenuation was 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 failures are resolve...

Страница 166: ...improving sensitivity in high band path Press AMPTD Y Scale Tap Signal Path 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 c...

Страница 167: ...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 168 A15 Front End Control Assembly Troubleshooting on page 171 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...

Страница 168: ...g harnesses and coaxial cables The RF front 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 508 513 526 A10 Input At...

Страница 169: ...00 kHz to 8 4 GHz Internal Preamplifier A15 to A11 and A13 P13 100 kHz to 13 6 GHz Internal Preamplifier A15 to A11 and A13 P26 100 kHz to 26 5 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 Output rear panel LNP Low Noise Path A15 to SW3 MPB Microwave Preselector Byp...

Страница 170: ...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 A13A2 J801 YTF Bypass Out To SW1 SW2 Option MPB with Option 508 513 or 526 J700 Low Band Switch Logic Out To A11 J800 Mechanical Attenuator Logic Out To A9 A10 J102 R F Front End Logic Out To...

Страница 171: ...order the board by itself using part number E4410 60115 When using the troubleshooting board and cables on a UXA 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 ba...

Страница 172: ... When connecting the attenuator control cable E4410 60157 note that one end has two 10 pin connectors with one connector extending beyond the other The shorter connector is marked with a red stripe 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 UXA s frequency range as described belo...

Страница 173: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 173 Front End Control Troubleshooting A15 Front End Control Assembly Troubleshooting Figure 5 3 RF Front End Troubleshooting Board ...

Страница 174: ...igure 5 4 Figure 5 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 choose Off from the drop down menu You may notice an RF Alignment failure message on the analyzer display This will occur when the test board is connected Resi...

Страница 175: ...he test board should be off When the 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 5 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 DS...

Страница 176: ...ng board according to Table 5 6 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 5 6 Input Attenuator B LED ...

Страница 177: ... 5 7 Press FREQ 5 GHz on the analyzer Verify the voltages in Table 5 8 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 bo...

Страница 178: ...gure 5 1 for J302 location You may 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 and choose Off from the drop down menu once it has fully booted to the spectrum analyzer application Press Freq Span and toggle to Zero Span on the ana...

Страница 179: ...SW3 when the low noise path is selected Now press uW Path Control 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 SW1 and SW2 can be verified three different ways Click Test...

Страница 180: ...roller board is switching this level correctly If 20 dBm is not being measured correctly remove the cable labeled J902 from the Front End Controller board and measure the output of that cable This should also measure 322 5 MHz at 20 dBm If the output of the J902 cable measures correctly and yet the output of J900 is incorrect the most probable cause is the A15 Front End Controller board Reconnect ...

Страница 181: ... Preset Input Output RF Calibrator 50 MHz FREQ 50 MHz Span and toggle switch to Zero Span Press System Alignments Auto Align Off Input Output Output Aux IF Out and select Second IF from the drop down menu Connect the Aux I F Output on the rear panel to the RF Input of a functioning spectrum analyzer If the A15 Front End Controller is switching the I F correctly you should measure 322 5 MHz at 35 d...

Страница 182: ...pan and toggle switch to Zero Span Press 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 5 6 You can select Arbitrary IF Freq and vary the I F from 10 MHz to 70 MHz in 500 kHz steps and measure the Aux IF output The a...

Страница 183: ... and set the center frequency to 1 GHz Press Span and toggle the switch to Zero Span Press Input Output Output Aux IF Out and choose Fast Log Video from the drop down menu 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 appr...

Страница 184: ...184 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Front End Control Troubleshooting A15 Front End Control Assembly Troubleshooting ...

Страница 185: ...s are found in this chapter A2 Analog IF Assembly Description on page 186 A2 Analog IF Assembly Theory of Operation on page 187 A2 Analog IF Troubleshooting on page 190 A3 Digital IF Assembly Description on page 197 A3 Digital IF Assembly Theory of Operation on page 198 A3 Digital IF Troubleshooting on page 200 Each of the following sections first describes how the assembly works then gives inform...

Страница 186: ...ly The final 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 asse...

Страница 187: ... The through 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...

Страница 188: ... for the 22 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 Cr...

Страница 189: ... or wide band 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 Bur...

Страница 190: ...guide 3 Turn on the UXA Signal Analyzer and wait for the instrument to complete the boot up process 4 Press System Alignments Auto Align Off 5 Press X 6 Press Input Output RF calibrator 50 MHz 7 Press the pull down menu 8 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 UXA The marker readout should be 50 MHz at 25 dBm 3 dB If this...

Страница 191: ...Troubleshooting 11 Carefully disconnect W25 cable at A15J900 as shown in Figure 6 1 Figure 6 1 A15 RF Front End Control Assembly 12 Connect A15J900 to a functioning spectrum analyzer using the appropriate MMCX connectors and cables 13 Press Freq 322 5 MHz Span 1 MHz Peak Search on the functioning spectrum analyzer ...

Страница 192: ...Reconnect W25 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 Mi...

Страница 193: ...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 in this service guide 8 To continue verifying press SPAN Zero Span Verify the input attenuator on the UXA is set to 10 dB Look n...

Страница 194: ...h on the functioning spectrum analyzer 12 The analyzer marker should read 22 5 MHz at 25 dBm 4 dB as shown in Figure 6 4 Figure 6 4 A2 Analog IF Output 13 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 14 If the 22 5 MHz signal is within tolerance carefully re...

Страница 195: ... Reference Assembly 1 Referring to Figure 6 5 carefully disconnect the W36 at A2J300 Figure 6 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 ...

Страница 196: ... 300 MHz at 10 dBm 3 dB as shown in Figure 6 6 Figure 6 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 ...

Страница 197: ...bly for IF 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...

Страница 198: ...y it couples 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 u...

Страница 199: ...nector is used 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 B...

Страница 200: ...e the boot up process 5 Press System Alignments Auto Align Off Press X 6 Press the pull down menu 7 Press Input 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 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 An...

Страница 201: ...ct W42 cable at A3J19 Figure 6 7 A3 Digital IF Cables 11 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 12 Press Freq 22 5 MHz Span 1 MHz Peak Search on the functioning spectrum analyzer ...

Страница 202: ...ng 13 The analyzer should read 22 5 MHz at 25 dBm 4 dB as shown in Figure 6 8 Figure 6 8 22 5 MHz IF Input 14 If the 22 5 MHz signal is not measuring the correct power level see A2 Analog IF Troubleshooting on page 190 in this service guide 15 If the 22 5 MHz signal is within tolerance carefully reconnect the W42 cable to A3J19 ...

Страница 203: ...nments Auto Align Off 7 Press Input 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 139 in this service guide 9 To continue verifying press Meas ...

Страница 204: ...Digital IF 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 ...

Страница 205: ...50 MHz IF Input 14 If the 250 MHz signal is not measuring the correct power level see A15 Front End Control Assembly Troubleshooting on page 171 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 o...

Страница 206: ...Turn on the UXA 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 6 11 carefully disconnect W39 cable at A3J14 Figure 6 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 t...

Страница 207: ...ring incorrectly this could indicate a problem with the A16 Reference Assembly 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 a...

Страница 208: ...208 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Analog Digital IF Troubleshooting A3 Digital IF Troubleshooting ...

Страница 209: ...209 Keysight Technologies N9040B UXA Signal Analyzer Service Guide 7 LO Synthesizer Reference Troubleshooting What You Will Find in This Chapter Content coming soon ...

Страница 210: ...210 Keysight Technologies N9040B UXA Signal Analyzer Service Guide LO Synthesizer Reference Troubleshooting What You Will Find in This Chapter ...

Страница 211: ...Processor Description on page 212 A4 Processor Assembly Troubleshooting on page 215 A5 Disk Drive Description on page 216 A5 Disk Drive Troubleshooting on page 219 Troubleshooting Software Related Issues on page 219 Reloading the Instrument Application Software on page 219 Disk Drive Recovery Process on page 220 Replacing the instrument disk drive on page 221 Each section first describes how the a...

Страница 212: ...A4A1 disk drive interface board can be replaced if connector wear is an issue See Chapter 14 Replaceable Parts for the correct replacement part number 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 located on the A4 Processor assembly is routed to the A1A2 Front Panel Interface board for this use Th...

Страница 213: ...n when a power failure occurs The instrument will return to the same power state after a power failure Rear Panel Connectivity The A4 Processor assembly has direct access to the rear panel of the instrument The rear panel connections provided on the A4 Processor assembly are GPIB Interface Cabled PCIe x4 Interface LAN RJ45 10 100 1000 based T Ethernet port USB Ports 2 x Super Speed USB 3 0 Host Po...

Страница 214: ...Memory Card Slot The main purpose for the SD memory card is for instrument calibration database backup The SD memory card that is shipped with each new instrument is currently a 16 GB SDHC card It is shipped with a backup of the instrument s factory calibration database The field adjustment software will also automatically create a backup of the instrument calibration database on the SD memory car...

Страница 215: ...essed by the BIOS Basic Input Output System Setup Utility If these settings are changed from those that the instrument was initially shipped with this could cause a problem with the booting and or functionality of the instrument If the instrument is having a problem booting up but is functional enough to enter the BIOS Setup Utility you will want to verify that the BIOS settings have not been chan...

Страница 216: ...are 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 replacing the disk drive all instrument ad...

Страница 217: ...ion will be lost if the Instrument Image Recovery process is run D This partition is reserved for user data storage The My Documents folders for the user accounts that are preconfigured from the factory are mapped to the D partition This is for the convenience of backing up the user data You should always back up the data on the D partition This allows you to restore the data if the A5 Disk Drive ...

Страница 218: ...store any of the following items Operating system configurations that were changed or updated after the instrument was shipped from the factory After a recovery these configurations will have to be redone by the end user Additional software that was installed be the end user After a recovery that software will need to be re installed by the end user Any updates that were made to the instrument mea...

Страница 219: ...rument application software Use the Disk Drive Recovery Process to reinstall the operating system and instrument application software to the state it was in when the instrument left the factory Reloading the Instrument Application Software The instrument application software contains all the required components for the instrument application as well as all software options If the instrument applic...

Страница 220: ... Turn on the instrument 3 After the Keysight Technologies screen is displayed the Windows Boot Manager screen as shown in Figure 8 2 will be displayed for 5 seconds Figure 8 2 Windows Boot Manager 4 Press the down arrow key to move the highlight to Instrument Image Recovery System and press the Enter key 5 When the Instrument Image Recovery System has booted follow the on screen instructions to re...

Страница 221: ...bleshooting A5 Disk Drive Troubleshooting 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 A4 CPU A5 Solid State Drive replacement section in Chapter 15 Assembly Replacement Procedures ...

Страница 222: ...222 Keysight Technologies N9040B UXA Signal Analyzer Service Guide CPU Disk Drive Troubleshooting A5 Disk Drive Troubleshooting ...

Страница 223: ...e Power Supply and Midplane sections This following descriptions are found in this chapter A6 Power Supply Description on page 224 A6 Power Supply Assembly Troubleshooting on page 228 A7 Midplane Board Assembly Description on page 230 A7 Midplane Board Assembly Troubleshooting on page 233 Each of the following sections first describes how the assembly works then gives information to help you troub...

Страница 224: ...r to all the printed 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 th...

Страница 225: ...ar panel 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 some of the different power supply voltages on the A7 Midplane Board assembly See the A7 Midplane Board Assembly Description on page 230 for detailed information on the location ...

Страница 226: ...t you will want to be familiar with are PWR_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 instrument boot up process LINE_TRIGGER is a TTL level signal that is synchronous to the AC line input This signal is typically used in spectrum analyzers to trigger an instrument sweep sync...

Страница 227: ...ction 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 remain off until the line voltage is removed and then reconnected or the front panel power switch is cycled O...

Страница 228: ...or 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 information on the location of each Control Inputs PS_ONn PS_ONn is a signal that when pulled low tells the A6...

Страница 229: ...indication of whether or not there is a fault detected by the A6 Power Supply that is keeping it from powering on properly If all of the required conditions to turn the A6 Power Supply assembly on properly are being met this status output line will be at a TTL high level The conditions that could cause this status output line to be at a TTL low level include that of an over current condition an ov...

Страница 230: ... the A6 Power Supply assembly This is used to frequency modulate the power supply switching frequency for the purpose of lowering any power supply related interference Circuitry to phase lock the A4 Processor assembly CPU clock to the instrument reference frequency Midplane Board Connections Connector Connects To Connector Connects To J2 A6 Power Supply Assembly J16 A4 Processor Assembly J10 A6 Po...

Страница 231: ...hnologies N9040B UXA Signal Analyzer Service Guide 231 Power Supply Midplane Troubleshooting A7 Midplane Board Assembly Description Figure 9 2 A7 Midplane Board Assembly Connections LED s and Test Points Rear View ...

Страница 232: ... Technologies N9040B UXA Signal Analyzer Service Guide Power Supply Midplane Troubleshooting A7 Midplane Board Assembly Description Figure 9 3 A7 Midplane Board Assembly Connections LED s and Test Points Front View ...

Страница 233: ...ile 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 in any way This is reserved for the factory and field software when needed for instrument initialization as well as the instrument software when installing an option license key If for some reason any of these ...

Страница 234: ...COM A6 Green TP11 5 1 0 75 7VA 7 Volt Analog Supply ACOM A6 Green TP12 7 1 0 15VA 15 Volt Analog Supply ACOM A6 Green TP13 15 1 0 12VD 12 Volt Digital Supply DCOM A6 Green TP1 12 1 0 5 1VD 5 1 Volt Digital Supply DCOM A6 Green TP15 5 1 0 75 5 1VSB 5 1 Volt Standby Supply DCOM A6 Green TP2 5 1 0 75 3 35VD 3 35 Volt Digital Supply DCOM A6 Green TP14 3 35 0 75 FAN_P Fan Positive Voltage ACOM A6 Green...

Страница 235: ...235 Keysight Technologies N9040B UXA Signal Analyzer Service Guide 10 Front Panel Motherboard Troubleshooting What You Will Find in This Chapter Content coming soon ...

Страница 236: ...236 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Front Panel Motherboard Troubleshooting What You Will Find in This Chapter ...

Страница 237: ...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 web site for the UXA signal analyzer at http www keysight com find UXA_upgrades Table 11 1 Hardware Options Option Description Additional Hardware or License Only Service Guide ...

Страница 238: ...Analysis Bandwidth Additional hardware This chapter P08 P13 P26 P44 P50 Preamp 100 kHz to 8 4 GHz Preamp 100 kHz to 13 6 GHz Preamp 100 kHz to 26 5 GHz Preamp 100 kHz to 44 GHz Preamp 100 kHz to 50 GHz License Only Chapter 4 RF Section Troubleshooting RF Microwave Analyzers RTS Real Time I Q Data Streaming License and additional hardware This chapter YAV Y Axis Output License Only Chapter 6 Analog...

Страница 239: ...s the sent to the A22 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 A22 and A23 Wideband Digital IF boards The A22 and A23 Wideband Digital IF have no service accessible locations and should be troubleshot from the front panel controls If the analyzer is using the Option B40 40 MHz IF ...

Страница 240: ...240 Chapter 11 Hardware Options A21 Wideband Analog IF Troubleshooting Figure 11 1 Analog IF Block Diagram ...

Страница 241: ... 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 viewed using a text editor The file is located in the following locatio...

Страница 242: ...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 dBm on the analyze...

Страница 243: ... A15J901 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 15 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 ...

Страница 244: ...244 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Hardware Options A21 Wideband Analog IF Troubleshooting Figure 11 3 2400 MHz Signal ...

Страница 245: ...wait for the instrument to complete the boot up process 2 Press System Alignments Auto Align Off 3 Press Mode Meas IQ Analyzer Basic Complex Spectrum OK 4 Press Input Output RF Calibrator 50 MHz 5 Press Span 10 MHz 6 Press Meas Setup IF Path Tap IF Path and choose 255 MHz or 510 MHz from the drop down menu 7 Verify the 50 MHz signal is at 25 dBm on the analyzer display by pressing Peak Search on t...

Страница 246: ...entify the hardware You will 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 instrumen...

Страница 247: ...3 Press Wideband Digital 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 functional...

Страница 248: ...tor is bypassed to allow ample bandwidth Refer to Figure 11 5 Option H1G Block Diagram The 750 MHz IF signal is routed from the A15 Front End Control assembly J901 to A21J17 on the A21 Wideband Analog IF assembly that is used in the 255 MHz IF Path The 750 MHz IF signal leaves the A21 Wideband Analog IF through J18 and goes to the A27 1 GHz BW assembly The A27 1 GHz bandwidth assembly consists of ...

Страница 249: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 249 Hardware Options Option H1G 1 GHz Analysis Bandwidth Assembly Figure 11 5 Option H1G Block Diagram ...

Страница 250: ...ess Mode Meas and select IQ Analyzer Basic mode Assure Complex Spectrum is highlighted and tap OK Press the Meas Setup hardkey and tap IF Path then IF Path pull down and select 1 GHz Turn on the 4 8 GHz calibrator signal by pressing Input Output RF Calibrator and select 4 8 GHz Press FREQ and set Span to 1 GHz Set the analyzer center frequency to 4 8 GHz and the calibrator signal should appear on ...

Страница 251: ...using the 50 MHz and 4 8 GHz calibrator signals If the problem is only seen in the 1 GHz IF path connect a spectrum analyzer to the sma rear panel IF 2 Out that will allow you to measure the signal level out of the 1 GHz Analog IF assembly Assure the 1 GHz path is being used Select IQ Analyzer mode Press Meas Setup IF Path 1 GHz Assure the 4 8 GHz calibrator is on Enable the rear panel IF 2 Output...

Страница 252: ...t port External source settings Frequency 1 GHz Amplitude 20 dBm Connect the source 10 MHz Out to the signal analyzer Ext Ref so both instruments share a single frequency reference 2 UXA analyzer settings Mode IQ Analyzer Complex Spectrum Meas Setup IF Path 1 GHz Center Frequency 1 GHz Span 1 GHz Atten 10 dB 3 Locate the A15 Front End Control assembly in the instrument and remove the cable from A1...

Страница 253: ...ure this 750 MHz signal level with the spectrum analyzer The signal amplitude should be about 2 dB lower than the previous measurement since the signal is only going through some cabling and the switch on the A21 assembly Reconnect the cable to A21J718 5 Assure the 100 MHz reference signal at about 13 dBm is present at the A16 Reference Assembly J706 6 Measure IF2 Out on rear panel Press Input Out...

Страница 254: ...f you turn off IF2 Out expect this signal level on the UXA screen 1 GHz 20 2 dBm 20 5 dBm 5 GHz 2 9 dBm 20 9 dBm 10 GHz 5 00 dBm 21 3 dBm 20 GHz 7 0 dBm 22 0 dBm 30 GHz 8 4 dBm 22 6 dBm 40 GHz 8 7 dBm 23 0 dBm 50 GHz 15 0 dBm 24 0 dBm At stop frequencies less than 3 6 GHz the analyzer is in Low Band path and the there is a 1 GHz bandpass filter and switches connected to a metal plate on the Front ...

Страница 255: ...his chapter RF Lowband Path Options 508 513 526 Block Diagram RF Highband Path 1 Options 508 513 526 Block Diagram RF Highband Path 2 Option 526 Block Diagram RF Lowband Path Option B5X Block Diagram RF Highband Path Option B2X Options 544 550 Block Diagram RF Highband Path Option B5X Options 544 550 Block Diagram Analog IF Block Diagram Digital IF Block Diagram ...

Страница 256: ...256 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Block Diagrams ...

Страница 257: ...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 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 oth...

Страница 258: ...LOW BAND SWITCH CONTROL PRESELECTOR 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 otherwise noted 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 Signal level...

Страница 259: ...L 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 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 otherwise noted Input Signal 20 GHz 25 dBm Center Frequency 20 G...

Страница 260: ...ROL 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 MHz 25 dBm Center Frequency 5...

Страница 261: ...tial 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 140 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 300 MHz IQ BIAS TEE MIXER BIAS AMP BIAS PREAMP BIAS E ATTEN CONTRO...

Страница 262: ...itial 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 140 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 300 MHz IQ BIAS TEE MIXER BIAS AMP BIAS PREAMP BIAS E ATTEN CONTR...

Страница 263: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 263 Block Diagrams Block Diagrams Analog IF Block Diagram ...

Страница 264: ...264 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Block Diagrams Block Diagrams Digital IF Block Diagram ...

Страница 265: ...cians These technicians may be at a Keysight Service Center or at a self maintaining customer site There are two types of Service capabilities 1 Diagnostics These are available to any user and will assist in initial troubleshooting of instrument malfunctions Examples are the ability to read the mechanical relay cycles 2 Service Functions These are for use by the factory or field repair technicians...

Страница 266: ...ed to enter a specific numeric Service Code that is controlled by the instrument software The Service Code is defined to be easily entered via the front panel an external keyboard or mouse will not be required Once access has been gained it persists within the execution of the instrument application If the user exits the instrument application they must re enter the Service Code to gain access Sec...

Страница 267: ...040B UXA Signal Analyzer Service Guide 267 Service and Diagnostics Menus Overview Figure 13 2 Secure Service Menus Accessed via System Service Figure 13 3 Lock and LO Accessed via Spectrum Analyzer Mode Meas Setup Lock and LO ...

Страница 268: ...yzer Service Guide Service and Diagnostics Menus Overview Figure 13 4 Diagnostics Hardware Statistics Accessed via System Diagnostics Figure 13 5 Service Diagnostics Corrections Menu Accessed via Spectrum Analyzer Mode Meas Setup Service Diagnostics ...

Страница 269: ...he technician to adjust the 10 MHz reference timebase manually Timebase DAC Allows the technician the ability to adjust the 10 MHz reference timebase The adjustment 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 ...

Страница 270: ...e accessed directly on the instrument hard drive as E AlignDataStorage AlignmentHistory txt Align Log Mode This is not implemented in A 15 xx software The Alignment System places information about the last alignment 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 wit...

Страница 271: ...clear the Error Condition Align LO failed The Advisory Event Alignment complete is displayed when the alignment is complete Align LO can be interrupted by pressing the Cancel ESC front panel key When this occurs no new LO alignment data will be employed IF Immediately executes an alignment of the IF subsystem The instrument will stop any measurement currently underway perform the alignment then re...

Страница 272: ...urpose of improving small amplitude variations that occur as resolution bandwidth is switched This alignment is done by measuring the response of the current system state configuration to the 50 MHz amplitude reference signal All subsequent measurements are then compensated appropriately for absolute amplitude accuracy The instrument will stop any measurement currently underway perform the alignme...

Страница 273: ...e Key Descriptions Show Software The Show Software screen displays revision information for Keysight internal software that comprises the embedded application and programmable hardware devices FPGAs and PLDs The Show Software screen is not implemented in A 15 xx software Figure 13 6 Show Software Screen ...

Страница 274: ... Off RF 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 When set to off it is possible to measure the raw flatness of the spectrum analy...

Страница 275: ...ry Event IF Flatness corrections OFF will be cleared Snapshot Alignments On Off During normal auto alignment operation the firmware will perform an RBW and IQ alignment when the analyzer RBW state is changed and every 10 minutes thereafter These alignments can hinder troubleshooting the analyzer since they can change correction factors when the state is changed Turning snapshot alignments off disa...

Страница 276: ...through nulling turned on off is shown below The yellow trace is with feed through nulling turned on and the blue trace is with feed through nulling turned off Intermod Nulling Control is available to set the state of Intermod Nulling On or OFF In the ON state the software will determine when it is appropriate to null the intermodulation products IM nulling is only available in low band ...

Страница 277: ...etween 0 and 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 a...

Страница 278: ... Locked Band 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 OF...

Страница 279: ...s parameter 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 min...

Страница 280: ...te Test A Picture will appear in the center of the screen Use two fingers to rotate the image 45 degrees clockwise Once this is completed rotate the image 45 degrees counter clockwise Zoom Test A small picture will appear in the center of the screen Use two fingers and spread them apart to scale the box until it fills the dotted rectangle around it The dotted rectangle will resize Pinch your finge...

Страница 281: ...13 526 page 311 Figure 14 6 Low Band Switch Cables Options 508 513 526 page 311 Figure 14 7 MPB LNP Cables Options 508 513 526 page 312 Figure 14 8 RF Front End Cables Options 508 513 526 page 312 Figure 14 9 RF Front End Side Cables Options 508 513 526 page 313 Figure 14 10 RF Area Options 544 550 page 316 Figure 14 11 RF Area Cables Options 544 550 page 318 Figure 14 12 RF Front End Cables Optio...

Страница 282: ...e 332 Figure 14 23 Wideband I F Ribbon Cables page 333 Figure 14 24 Wideband I F Cables page 333 Figure 14 25 Wideband Extension Board Option RTS page 335 Figure 14 26 H1G Assembly page 336 Figure 14 27 Motherboards page 337 Figure 14 28 Chassis page 338 Figure 14 29 Fan Hardware page 341 Figure 14 30 Input Connector page 342 Figure 14 31 Front Frame Parts Shield Removed page 343 Figure 14 32 Fron...

Страница 283: ...he 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 Co...

Страница 284: ...N9040 00023 N9040 80001 8160 0660 N9040 40002 N9040 00020 5041 9691 5041 7901 N9040 80002 Front Frame Assembly Replacement Kita dark color Includes Front Frame with the following pre installed Cover Plate Main Keyboard overlay Braided gasket Display protection boot USB EMI gasket Front Frame Side Trim 2 included Front Frame Top Trim 2 included Connector Overlay N9040 60069 N9040 00023 N9040 80018 ...

Страница 285: ... 00052 A1MP21 Display Bracket N9040 00018 A1MP22 Display Compression Pad N9040 40001 A1MP23 Display Cable Hold Down 3M double coated foam tape 4016 source locally A1MP24 Ext Mixer Front Panel Connector 1250 1666 A1MP25 Front Panel Interface Board Shield N9040 00032 A1MP26 MP27 Front Panel Interface Cable Loop Fasteners 0510 1303 A1W1 Cable Assembly Flex Circuit Display to Front Panel Interface Boa...

Страница 286: ...0950 5748 A7 Rear Motherboard Assembly N9040 63003 A7MP1 Bracket Rear Motherboard s n prefix 5616 s n prefix 5616 N9040 00002 N9040 00058 A8 Motherboard Front Horizontal mount N9040 63002 A9 RF Attenuator A 0 4 dB Options 508 513 526 RF Attenuator A 0 10 dB Options 544 550 33360 60008 33326 60013 A10 RF Attenuator B 0 66 dB Options 508 513 526 RF Attenuator B 0 60 dB Options 544 550 33321 60083 33...

Страница 287: ...tion B2X N9020 60311 A23 Wideband Digital I F Option B5X N9020 60311 A24 Motherboard Interconnect Board A7 A8 N9040 63004 A25 Reserved A26 Reserved A27 H1G Assembly Option H1G not compatible with Option B5X N9040 60102 A28 Wideband Extension Board Option RTS also order EMI gasket below N9020 60272 A28A1 Gasket EMI for Wideband Extension Board Option RTS N9020 20178 AT1 Attenuator 6 dB Coax connect...

Страница 288: ...refix 5616 all frequency ranges N9040 00003 N9040 00037 N9040 00059 Chassis Side Right inner s n prefix 5605 Options 508 513 526 s n prefix 5605 and 5616 Options 508 513 526 s n prefix 5616 Options 544 and 550 s n prefix 5616 all frequency ranges N9040 00004 N9040 00038 N9040 00060 Card cage Guide for chassis left and right W1312 40001 Rear Panel s n prefix 5605 Options 508 513 526 s n prefix 5605...

Страница 289: ... 513 526 s n prefix 5605 and all Options 544 and 550 N9040 00006 N9040 00053 Bracket S shape Chassis Side s n prefix 5605 Options 508 513 526 s n prefix 5605 and all Options 544 and 550 N9040 00012 N9040 00041 Bracket Rear Brace s n prefix 5616 s n prefix 5616 s n prefix 5616 Option H1G N9040 00009 N9040 00039 N9040 00056 Bracket Chassis Front inner bottom s n prefix 5605 Options 508 513 526 s n p...

Страница 290: ...left W1312 40083 Bracket Flex Circuit Support N9040 00025 Bracket Wideband Extension Board Option RTS N9040 00033 Ejector A16 Reference Assembly left 5002 2401 Spring Clip qty 2 Option B5X N9040 00035 Shield Magnetic Attenuator A Options 544 550 N9020 00043 Shield Magnetic Attenuator B Options 544 550 N9020 00044 Shield YTO Top N9020 00005 Shield YTO Bottom N9020 00006 Top Brace Front card cage wi...

Страница 291: ...lor dark color N9040 00015 N9040 00046 Rear Feet light color dark color 5041 9611 5041 7903 Bottom Feet light color dark color 5041 9167 5041 7906 Bottom Feet Key Locks 5021 2840 Strap Handle light color dark color E4400 60026 N9040 60059 Impact Cover Front light color dark color N5245 40001 N9040 40007 Impact Cover Rear light color dark color N5245 40002 N9040 40008 Front Frame Handles light colo...

Страница 292: ...N9040 20026 N9040 20102 W5 Cable Ribbon Attenuator A B to A15J800 Front End Controller Options 508 513 526 Options 544 550 N9040 60032 N9040 60065 W6 Cable Wire Harness Switch 1 2 and B5X Switches to A15J801 Front End Controller Option B5X N9040 60031 W7 Cable Ribbon A11J4 Low Band Switch to A15J700 Front End Controller Options 508 513 526 Options 544 550 N9040 60036 N9040 60066 W8 Cable Semi rigi...

Страница 293: ... Front End Assembly Options 508 513 526 Options 544 550 N9040 20038 N9040 20112 W22 Cable Ribbon A13J12 R F Front End Control to A15J102 Front End Controller N9040 60037 W23 Cable Ribbon A14J8 L O Synthesizer to A20 YTO Control N9040 60035 W24 Reserved W25 Cable Coax A15J900 Front End Controller to A2J100 Analog I F Assembly 8121 1865 W26 Cable Coax A15J901 Front End Controller to A3J15 Narrowband...

Страница 294: ...J19 Digital I F Assembly 8121 2607 W43 Cable Ribbon A2J820 Analog I F Assembly to A3J20 Digital I F Assembly N9020 60046 W44 Reserved W45 Cable Coax A3J17 Digital I F Assembly to A21J2 Wideband Analog I F Assembly Options B2X and B5X 8121 1919 W46 Cable Coax A21J1 Wideband Analog I F Assembly to A16J726 Reference Assembly Options B2X and B5X 8121 0152 W47 Cable Coax A3J17 Digital I F Assembly to A...

Страница 295: ...xial Switch to FL2 Bandpass Filter In Option B5X N9020 20268 W61 Cable Semi rigid FL2 Bandpass Filter Out to SW5 Port 1 Coaxial Switch Option B5X N9020 20269 W62 Cable Semi rigid SW5 Port 2 Coaxial Switch to A13A2J5 R F Front End Assembly Option B5X N9020 20264 W63 Cable Semi rigid SW5 Port C Coaxial Switch to A13A1J11 R F Front End Assembly Option B5X with freq Options 508 513 or 526 Option B5X w...

Страница 296: ...g 3 Option H1G 8121 0958 W74 Cable Coax A21J18 to A27J15 I F In Option H1G 8121 1401 W75 Cable Coax A16J706 to A27J13 100 MHz In Option H1G 8121 1861 W76 Cable Coax A27J12 to Rear Panel IF 2 Out Option H1G 8121 2867 W77 Cable Semi rigid Rear Panel jumper between IF 2 OUT and IF 2 IN s n US57212008 Option H1G N9040 20065 a Does not include nameplate See A1MP3 through A1 MP8 and A1MP20 through A1MP2...

Страница 297: ... 0 5 6 mm long Torx T 10 9 inch lbs Chassis Bottom Chassis Side Brackets Left Right 13 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Front Brace Chassis Side Brackets Left Right Chassis Bottom 9 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Front Bracket Inner Bottom Chassis Front Bracket 6 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Chassis Side Right Chassis Side In...

Страница 298: ... 5 8 mm long Torx T 10 9 inch lbs Ext Mixer Connector Front Frame 1 2950 0223 Hex Nut n a 21 inch 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 Grill Fan Bracket Right 3 per 0515 1038 M3 X 0 5 35 mm long Torx T 10 9 inch lbs Fan Bracket Assembly Chassis Left 5 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Front Frame A...

Страница 299: ...10 9 inch lbs L O Synthesizer Assembly Bracket L O Synthesizer Assembly 2 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs L O Synthesizer Assembly Ejectors L O Synthesizer Assembly 2 per side 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs L O Synthesizer Assembly Top Bracket Left Right Chassis Sides 2 0515 1946 M3 X 0 5 6 mm long Torx T 10 9 inch lbs Low Band Switch Chassis 4 0515 0372 M3 X 0...

Страница 300: ...2 M3 X 0 5 8 mm long Torx T 10 9 inch lbs On Off Keyboard Keypad Front Frame 2 0515 0430 M3 X 0 5 6 mm long Torx T 10 9 inch lbs Power Supply Bracket Chassis 2 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs New Chassis 4 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Power Supply 9 0515 1946 M3 X 0 5 6 mm long Torx T 10 9 inch lbs Preselector Bypass Switch Preselector Bypass Switch Bracket 2...

Страница 301: ...ce Assembly 2 per side 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Reference Assembly Top Bracket Left Right Chassis Sides 2 0515 1946 M3 X 0 5 6 mm long Torx T 10 9 inch lbs RF Front End Assembly Motherboard Bracket 6 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs RF Side Bracket Right Side Outer Chassis Base Bracket S Shape Chassis Side 7 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lb...

Страница 302: ...0 M4 X 0 8 18 mm long Torx T 20 21 inch lbs Transfer Switch Transfer Switch Bracket 4 0515 1934 M2 5 X 0 45 6 mm long Torx T 8 6 inch lbs Transfer Switch Bracket Chassis 3 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Wideband Analog I F Assembly Cable Bracket Chassis Side 1 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs Wideband Analog I F Cable Plastic Cable Guard 2 0515 1946 M3 X 0 5 6 m...

Страница 303: ...eband Analog I F Assembly Ejector Left Right Chassis Sides 2 0515 1946 M3 X 0 5 6 mm long Torx T 10 9 inch lbs YTF Preselector Chassis 4 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs YTO Assembly Chassis 2 0515 0372 M3 X 0 5 8 mm long Torx T 10 9 inch lbs YTO Top Board YTO Assembly 1 0515 0659 M2 X 0 4 8 mm long Torx T 6 2 inch lbs YTO Top Shield YTO Assembly 2 0515 0372 M3 X 0 5 8 mm long Tor...

Страница 304: ...304 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Hardware Figure 14 1 Major Assemblies ...

Страница 305: ... Supply 0950 5748 4 A24 Motherboard Interconnect Board Bottom Motherboard N9040 63004 5 A7 Rear Motherboard Assembly N9040 63003 6 A8 Front Motherboard N9040 63002 7 A22 A23 Wideband Digital I F Assemblies Options B2X and B5X N9020 60311 8 A14 L O Synthesizer Assembly N9020 60227 9 A21 Wideband Analog I F Assembly N9020 60043 10 A16 Reference Assembly N9020 60187 11 A15 Front End Controller N9020 ...

Страница 306: ...306 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 2 External Hardware ...

Страница 307: ... 1 2 Strap Handle includes screws light color dark color E4400 60026 N9040 60059 3 Screw Washer 0515 1619 3050 0893 4 Rear Feet light color dark color 5041 9611 5041 7903 5 Dress Cover light color dark color N9040 00015 N9040 00046 6 Bottom feet light color dark color 5041 9167 5041 7906 7 Front Frame Handles light color dark color 5023 1399 5023 3074 ...

Страница 308: ...age Brace Item Description Keysight Part Number 1 Top Brace Rear solid s n prefix 5605 Options 508 513 526 s n prefix 5605 and all Options 544 and 550 N9040 00011 N9040 00049 2 Top Brace Front card cage with holes s n prefix 5605 Options 508 513 526 s n prefix 5605 and all Options 544 and 550 N9040 00010 N9040 00055 5 Screw 0515 0372 3 4 6 7 Screw 0515 1946 ...

Страница 309: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 309 Replaceable Parts Figure 14 4 RF Area Options 508 513 526 ...

Страница 310: ...0 RF Attenuator B 33321 60083 3 A13 RF Front End Assembly Std Option B2X Options 508 513 526 N9020 60129 Option B5X Options 508 513 526 N9020 60208 4 A11 Low Band Switch Assembly E4410 60121 5 SW3 Transfer Switch Assembly 87222 60026 6 SW1 and SW2 Coax Switches N1810 60069 7 J1 RF Input Connector Type N N9039 60030 3 5 mm Option C35 N9020 60196 8 A12 YTF Preselector 5087 7382 9 A20 YTO N9020 60009...

Страница 311: ...de 311 Replaceable Parts RF Area Cables Options 508 513 526 Refer to Figure 14 5 through Figure 14 9 for locations of RF area cables for Options 508 513 and 526 Figure 14 5 RF Area Cables Options 508 513 526 Figure 14 6 Low Band Switch Cables Options 508 513 526 ...

Страница 312: ...312 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 7 MPB LNP Cables Options 508 513 526 Figure 14 8 RF Front End Cables Options 508 513 526 ...

Страница 313: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 313 Replaceable Parts Figure 14 9 RF Front End Side Cables Options 508 513 526 ...

Страница 314: ... Cable Coax A13J7 R F Front End Assembly to A15J902 Front End Controller 8121 2608 W17 Cable Semi rigid A13J8 R F Front End Assembly to W29 Cable N9040 60046 W18 Cable Semi rigid A16J702 Reference Assembly to A13J1 R F Front End Assembly N9040 20039 W20 Cable Semi rigid A20 YTO Output to A14J2 L O Synthesizer Assembly N9040 20037 W21 Cable Semi rigid A14J1 L O Synthesizer to A13J4 R F Front End As...

Страница 315: ... Out to SW5 Port 1 Coaxial Switch Option B5X N9020 20269 W62 Cable Semi rigid SW5 Port 2 Coaxial Switch to A13A2J5 R F Front End Assembly Option B5X N9020 20264 W63 Cable Semi rigid SW5 Port C Coaxial Switch to A13A1J11 R F Front End Assembly N9020 20265 W64 Cable Semi rigid A13A1J10 R F Front End Assembly to SW4 Port C Coaxial Switch Option B5X N9020 20266 W65 Cable Semi rigid A13A1J3 R F Front E...

Страница 316: ...316 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 10 RF Area Options 544 550 ...

Страница 317: ...33326 60013 2 A10 RF Attenuator B 33325 60020 3 A13 RF Front End Assembly Std Option B2X Options 544 550 N9020 60210 Option B5X Options 544 550 N9020 60218 4 A11 Low Band Switch Assembly N9020 60051 5 SW3 Transfer Switch Assembly 87222 60029 6 SW6 Transfer Switch Assembly 87222 60031 7 J1 RF Input Connector 2 4 mm N9030 60011 8 A12 YTF Preselector 5087 7383 9 A20 YTO N9020 60009 ...

Страница 318: ...Guide Replaceable Parts RF Area Cables Options 544 550 Refer to Figure 14 11 through Figure 14 13 for locations of RF area cables for Options 544 and 550 Figure 14 11 RF Area Cables Options 544 550 Figure 14 12 RF Front End Cables Options 544 550 Option B5X shown ...

Страница 319: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 319 Replaceable Parts Figure 14 13 RF Front End Side Cables Options 544 550 ...

Страница 320: ...F Front End Assembly N9040 20112 W22 Cable Ribbon A13J12 R F Front End Control to A15J102 Front End Controller N9040 60037 W28 Cable Ribbon A15J1300 Front End Controller to A13A2J1 Switched Filter Assembly N9040 60034 W30 Cable Coax A13J13 R F Front End Assembly to A15J903 Front End Controller 8121 2608 W33 Cable Coax A13J6 R F Front End Assembly to A16J705 Reference Assembly 8121 1940 W51 Cable S...

Страница 321: ...65 Cable Semi rigid A13A1J3 R F Front End Assembly to A13A2J6 part of A13 Assembly W66 Cable Semi rigid Switch 3 port 2 to Switch 6 port 1 Options 544 550 N9040 20105 W67 Cable Semi rigid Switch 6 port 4 to A12 YTF input Options 544 550 N9040 20109 W68 Cable Semi rigid Switch 6 port 3 to A12 YTF output Options 544 550 N9040 20110 W69 Cable Semi rigid Switch 6 port 2 to A13A1J9 Options 544 550 N904...

Страница 322: ...eable Parts Figure 14 14 Card Cage Boards Table 14 10 Card Cage Boards Item Description Keysight Part Number 1 A15 Front End Controller N9020 60295 2 A16 Reference Assembly N9020 60187 3 A21 Wideband Analog I F Assembly N9020 60043 4 A14 L O Synthesizer Assembly N9020 60227 ...

Страница 323: ...to Attenuator A Options 508 513 526 Options 544 550 N9040 20027 N9040 20103 W5 Cable Ribbon Attenuator A B to A15J800 Front End Controller Options 508 513 526 Options 544 550 N9040 60032 N9040 60065 W6 Cable Wire Harness Switch 1 2 and B5X Switches to A15J801 Front End Controller Option B5X N9040 60031 W7 Cable Ribbon A11J4 Low Band Switch to A15J700 Front End Controller Options 508 513 526 Option...

Страница 324: ...J1300 Front End Controller to A13A2J1 Switched Filter Assembly N9040 60034 W30 Cable Coax A13J13 R F Front End Assembly to A15J903 Front End Controller Options 508 513 526 Options 544 550 8121 1940 8121 2608 W31 Cable Semi rigid A16J703 Reference Assembly to FL1 7 2 GHz Bandpass Filter N9040 20040 W33 Cable Coax A13J6 R F Front End Assembly to A16J705 Reference Assembly 8121 1940 W34 Cable Coax A1...

Страница 325: ...6 Cable Coax A21J1 Wideband Analog I F Assembly to A16J726 Reference Assembly Options B2X and B5X 8121 0152 W55 Cable Ribbon SW3 Transfer Switch to A15J802 Front End Controller N9040 60038 Table 14 11 Reference Assembly and Front End Controller Cables Item Description Keysight Part Number ...

Страница 326: ...lter connects to A14 9135 6218 W20 Cable Semi rigid A20 YTO Output to A14J2 L O Synthesizer Assembly N9040 20037 W21 Cable Semi rigid A14J1 L O Synthesizer to A13J4 R F Front End Assembly Options 508 513 526 Options 544 550 N9040 20038 N9040 20112 W23 Cable Ribbon A14J8 L O Synthesizer to A20 YTO Control N9040 60035 W32 Cable Semi rigid A14J35002 L O Synthesizer Assembly to FL1 7 2 GHz Bandpass Fi...

Страница 327: ...14 13 AIF DIF Assemblies Item Description Keysight Part Number 1 A2 Analog I F Assembly N9020 60290 2 A3 Digital I F Assembly N9020 60016 3 Screw M3 X 0 5 8 mm long 0515 0372 W43 Cable Ribbon A2J820 Analog I F Assembly to A3J20 Digital I F Assembly N9020 60046 A3W1 Cable Assembly Smart Noise Source Wire Harness N9020 60090 ...

Страница 328: ...328 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 18 AIF Cables Figure 14 19 DIF Cables ...

Страница 329: ...ital I F Assembly Std Option B25 B40 8121 1919 W36 Cable Coax A16J711 Reference Assembly to A2J300 Analog I F Assembly 8121 1919 W39 Cable Coax A16J716 Reference Assembly to A3J14 Digital I F Assembly 8121 1861 W40 Cable Coax A21J18 Wideband Analog I F Assembly to A3J15 Digital I F Assembly Options B2X and B5X 8121 1401 W42 Cable Coax A2J601 Analog I F Assembly to A3J19 Digital I F Assembly 8121 2...

Страница 330: ... Parts Figure 14 20 CPU Assembly Table 14 15 CPU Assembly Item Description Keysight Part Number 1 A4 CPU Assembly N9020 60247 2 A4BT1 CPU Battery 1420 0356 CR2032 3 A4A1 Disk Drive Interconnect Board W1312 63079 4 Screw M3 x 0 5 8 mm long 0515 0372 5 A4A2 SD Memory Card 1819 1250 ...

Страница 331: ... Disk Drive Tray Assembly Item Description Keysight Part Number 1 A5 Solid State Module N9020 60352 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 6 Screw M2 5 x 0 45 5 mm long 0515 2219 7 Screw M3 x 0 5 6 mm long 0515 1227 ...

Страница 332: ... 22 Rear Boards Table 14 17 Rear Boards Item Description Keysight Part Number 1 A2 Narrowband Analog I F A3 Narrowband Digital I F Assembly N9020 60290 N9020 60016 2 A4 CPU Assembly N9020 60247 3 A6 Power Supply 0950 5748 4 A22 A23 Wideband Digital I F Assemblies Options B2X and B5X N9020 60311 ...

Страница 333: ...Keysight Technologies N9040B UXA Signal Analyzer Service Guide 333 Replaceable Parts Figure 14 23 Wideband I F Ribbon Cables Figure 14 24 Wideband I F Cables ...

Страница 334: ...Controller to A21J17 Wideband Analog I F Assembly Options B2X and B5X 8121 1401 W45 Cable Coax A3J17 Digital I F Assembly to A21J2 Wideband Analog I F Assembly Options B2X and B5X 8121 1919 W46 Cable Coax A21J1 Wideband Analog I F Assembly to A16J726 Reference Assembly Options B2X and B5X 8121 0152 W56 Cable Ribbon A21J23 Wideband Analog I F Assembly to Interconnect Bracket WBDIF Options B2X and B...

Страница 335: ...em Description Keysight Part Number 1 A28 Wideband Extension Board Option RTS N9020 60272 2 Bracket Wideband Extension Board Option RTS N9040 00033 W70 Cable Assembly flex circuit A22 WBDIF J9000 to A28 WBDIF Extension Board J1 Option RTS with Option B2X N9040 60047 W71 Cable Assembly flex circuit A23 WBDIF J9000 to A28 WBDIF Extension Board J21 Option RTS with Option B5X N9040 60048 ...

Страница 336: ...sight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 26 H1G Assembly Table 14 20 H1G Assembly Item Description Keysight Part Number 1 A27 H1G Assembly Option H1G N9040 60102 ...

Страница 337: ...Figure 14 27 Motherboards Table 14 21 Motherboards Item Description Keysight Part Number Rear Motherboard A7 Rear Motherboard Assembly N9040 63003 Front Motherboard A8 Motherboard Front Horizontal mount N9040 63002 Bottom Motherboard A24 Motherboard Interconnect Board A7 A8 N9040 63004 ...

Страница 338: ...338 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 28 Chassis ...

Страница 339: ...526 s n prefix 5605 and 5616 Options 508 513 526 s n prefix 5616 Options 544 and 550 s n prefix 5616 all frequency ranges N9040 00004 N9040 00038 N9040 00060 7 Bracket Motherboard Front Horizontal mount s n prefix 5605 Options 508 513 526 s n prefix 5605 and all Options 544 and 550 N9040 00024 N9040 00051 8 Chassis Side Left inner s n prefix 5605 Options 508 513 526 s n prefix 5605 and 5616 Option...

Страница 340: ...ix 5616 s n prefix 5616 Option H1G N9040 00009 N9040 00039 N9040 00056 13 Rear Panel s n prefix 5605 Options 508 513 526 s n prefix 5605 and 5616 Options 508 5113 526 s n prefix 5616 Options 544 and 550 s n prefix 5616 all frequency ranges N9040 00014 N9040 00050 N9040 00057 Table 14 22 Chassis Item Description Keysight Part Number ...

Страница 341: ...e Table 14 23 Fan Hardware Item Description Keysight Part Number 1 B1 B2 Fan W1312 60063 2 Screw 0515 1038 3 Fan Grill qty 2 3160 4253 4 Bracket Fan Left side outer s n prefix 5605 Options 508 513 526 s n prefix 5605 and all Options 544 and 550 N9040 00006 N9040 00053 5 Bracket Fan right side inner N9040 00007 ...

Страница 342: ...ctor Table 14 24 Input Connector Item Description Keysight Part Number 1 J1 Input Connector Assembly Type N 2 4 mm 3 5 mm Option C35 N9039 60030 N9030 60011 N9020 60196 2 Screw 0515 0372 W2 Cable Semi rigid RF Input Connector to Attenuator A Option CNF Option C24 Option C35 N9040 20025 N9040 20114 N9040 20043 ...

Страница 343: ...s Item Description Keysight Part Number 7 A1A5 Controller Board N9040 63012 8 A1W4 Cable N9040 60026 9 A1W1 Cable N9040 60024 10 A1MP14 Front Panel Interface Bracket N9040 00052 12 A1MP21 Display Bracket N9040 00018 13 A1W2 Cable N9040 60027 14 A1W3 Cable N9040 60029 15 A1A4 Converter DC DC 0950 5670 16 W1 Cable N9040 60030 17 W29 Semi Rigid Cable N9040 20044 ...

Страница 344: ...344 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts Figure 14 32 Front Frame Exploded View ...

Страница 345: ...63006 7 A1A5 Front Panel Controller Board N9040 63012 8 A1W4 Cable Assembly N9040 60026 9 A1W1 Cable Assembly Flex Circuit N9040 60024 10 A1MP14 Front Panel Controller Board Bracket N9040 00052 11 A1MP22 Display Compression Pad N9040 40001 12 A1MP21 Display Bracket N9040 00018 13 A1W2 Cable Assembly N9040 60027 14 A1W3 Cable Assembly N9040 60029 15 A1A4 DC DC Converter Board 0950 5670 16 A1MP25 Fr...

Страница 346: ...346 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Replaceable Parts ...

Страница 347: ...d Cage Brace on page 354 RF Area Options 508 513 526 on page 358 A9 A10 RF Attenuators on page 361 A11 Low Band Switch on page 365 A12 YTF Preselector on page 367 A20 YTO on page 370 Low Noise Path and Microwave Preselector Bypass Switches on page 371 A13 RF Front End Assembly on page 381 RF Area Options 544 550 on page 388 A9 A10 RF Attenuators on page 390 A11 Low Band Switch on page 393 A12 YTF ...

Страница 348: ...23 A27 H1G Assembly Option H1G on page 427 A28 Wideband Extension Board Option RTS on page 433 A6 Power Supply on page 439 A4 CPU A5 Solid State Drive on page 443 A2 AIF A3 DIF on page 447 Fan Assembly on page 450 Motherboards on page 455 Input Connector on page 467 Front Frame Assembly on page 469 Front Panel Shield on page 476 Front Panel Cables on page 477 DC DC Converter Board on page 478 Cont...

Страница 349: ... guide The instrument contains static sensitive components Read the section entitled ESD Information on page 23 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 con...

Страница 350: ...trument assemblies have been repaired or replaced perform the related adjustments and performance verification tests Description Keysight Part Number TORX Hand Driver Size T 8 source locally TORX Hand Driver Size T 10 source locally TORX Hand Driver Size T 20 source locally 9 16 inch nut driver source locally 1 4 inch nut driver source locally 5 16 inch open end wrench source locally 1 4 inch open...

Страница 351: ...alog I F A3 Narrowband Digital I F Assembly 2 A4 CPU Assembly 3 A6 Power Supply 4 A24 Motherboard Interconnect Board 5 A7 Rear Motherboard 6 A8 Front Motherboard 7 A22 Wideband Digital IF Option B2X A23 Wideband Digital IF Assemblies Option B5X 8 A14 L O Synthesizer Assembly 9 A21 Wideband Analog I F Assembly Options B2X and B5X 10 A16 Reference Assembly 11 A15 Front End Controller 12 A27 H1G Asse...

Страница 352: ...ument 3 Remove the bottom feet and locks 6 Pull the locks out before 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 15 3 Instrument Outer Case Removal If the instrument is placed on its face duri...

Страница 353: ...cover should 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 inst...

Страница 354: ...efer to the Instrument Outer Case removal procedure 3 Refer to Figure 15 4 To remove the Top Brace use the T 10 driver to remove the eleven screws 1 0515 0372 and the seven screws 2 0515 1946 attaching the top brace to the chassis 4 To remove the Card Cage Brace use the T 10 driver to remove the six screws 3 0515 0372 the two screws 4 0515 1946 the six screws 5 0515 1946 and the three screws 6 051...

Страница 355: ...Brace and Card Cage Brace Removal Serial Prefix 5605 Options 508 513 526 Replacement 1 To replace the top brace or the card cage bracket place them into the correct position and attach the screws referred to in the removal process Torque to 9 inch pounds 2 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Страница 356: ...edure 3 Refer to Figure 15 5 To remove the Top Brace use the T 10 driver to remove the fifteen screws 1 0515 1946 and the three screws on the rear panel 2 0515 0372 attaching the top brace to the chassis 4 To remove the Card Cage Brace use the T 10 driver to remove the screws 3 0515 1946 and the six screws 4 0515 0372 attaching the card cage brace to the chassis and the boards The number of 0515 1...

Страница 357: ...e and Card Cage Brace Removal Serial Prefix 5605 and All Options 544 and 550 Replacement 1 To replace the top brace or the card cage bracket place them into the correct position and attach the screws referred to in the removal process Torque to 9 inch pounds 2 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Страница 358: ...ront end assembly 3 A11 low band switch assembly 4 transfer switch SW3 5 coax switches SW1 and SW2 6 RF input connector 7 A12 YTF Preselector 8 and A20 YTO 9 Figure 15 6 RF Area Components Options 508 513 526 To gain access to any of the RF section parts for removal follow these steps 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the front panel R...

Страница 359: ...x 5605 To access the attenuators the YTF Preselector or the YTO it is necessary to also remove the RF bracket Refer to Figure 15 7 Remove the RF bracket 1 by removing the eleven or thirteen with Option RTS screws 2 0515 0372 and the two screws 3 0515 1946 using the T 10 driver Figure 15 7 RF Bracket Removal Serial Number Prefix 5605 Options 508 513 526 ...

Страница 360: ...ews 2 0515 0372 and the six screws 3 0515 1946 using the T 10 driver Figure 15 8 RF Bracket Removal Serial Number Prefix 5605 Options 508 513 526 After the part has been replaced follow these steps 1 Refer to Figure 15 7 or Figure 15 8 Position the RF bracket onto the chassis and replace the screws 2 0515 0372 and the screws 3 0515 1946 using the T 10 driver Torque to 9 inch pounds 2 Replace the f...

Страница 361: ...our instrument To remove A9 RF attenuator A 1 or A10 RF attenuator B 2 remove the semi rigid cables W2 W3 W4 and W51 using the 5 16 inch wrench 2 Remove the ribbon cables attached to each attenuator 3 Remove the two or three screws 3 0515 0372 depending on the bracket in your instrument that attach the attenuator bracket to the chassis using the T 10 driver 4 Remove the attenuator from the bracket...

Страница 362: ...362 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 508 513 526 Figure 15 9 Attenuators Removal Serial Number 5605 Options 508 513 526 ...

Страница 363: ... Analyzer Service Guide 363 Assembly Replacement Procedures RF Area Options 508 513 526 Figure 15 10 Attenuators Removal Serial Number Options 508 513 526 Item Keysight Part Number W2 N9040 20025 W3 N9040 20027 W4 N9040 20026 W51 N9040 20028 ...

Страница 364: ...d is down 2 Replace the two screws 0515 0372 that attach the attenuator to the bracket Torque to 9 inch pounds 3 Position the attenuators and bracket into the chassis and attach with the screws 3 0515 0372 Torque to 9 inch pounds 4 Replace the ribbon cable and semi rigid cables W2 W3 W4 and W51 to the attenuators Torque the semi rigid cables to 10 inch pounds 5 Replace the RF bracket front panel a...

Страница 365: ...igure 15 11 Remove the ribbon cable W7 2 Remove the semi rigid cables W8 W52 and W54 using the 5 16 inch wrench 3 Remove the four screws 2 0515 0372 using the T 10 driver The A11 low band switch 1 can now be removed from the chassis Figure 15 11 Low Band Switch Cable Removal Options 508 513 526 Item Keysight Part Number W8 N9040 20032 W52 N9040 20031 W54 N9040 20030 ...

Страница 366: ...11 Place the switch into place into the chassis and replace the four screws 0515 0372 Torque to 9 inch pounds 2 Replace the semi rigid cables W8 W52 and W54 Torque to 10 inch pounds 3 Replace the ribbon cable W7 Ensure locking tabs on the sides of the connector are engaged 4 Replace the RF bracket front panel and instrument outer case as described on page 360 ...

Страница 367: ...o Figure 15 12 Remove cables W10 and W14 from the YTF Preselector 1 2 Remove the wire harness W11 3 Refer to Figure 15 13 From the bottom of the instrument remove the four screws 1 0515 0372 The A12 YTF Preselector can now be removed from the chassis Figure 15 12 YTF Preselector Removal Options 508 513 526 Item Keysight Part Number W10 N9040 20033 W14 N9040 20034 ...

Страница 368: ...368 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 508 513 526 Figure 15 13 YTF Preselector and YTO Bottom Screws ...

Страница 369: ...rner of the clear plastic backing on the pink side 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 15 14 Gap Pad Installation 3 Refer to Figure 15 13 Place the YTF Preselector into the chassis with the ports toward the front of...

Страница 370: ...m the bottom of the instrument remove the two screws 2 0515 0372 The A20 YTO can now be removed from the chassis Replacement 1 Refer to Figure 15 13 Place the YTO into the chassis Replace the two screws 2 0515 0372 Torque to 9 inch pounds 2 Figure 15 12 Replace the cable W20 Torque to 10 inch pounds 3 Replace the ribbon cable W23 Ensure the locking latch is engaged 4 Replace the RF bracket front p...

Страница 371: ...ow Noise Path and Microwave Preselector Bypass Switches Removal 1 Refer to Figure 15 15 Remove the front brace 1 by removing the eleven screws 2 0515 0372 Figure 15 15 Front Brace Removal 2 Refer to Figure 15 16 Remove cables W10 W14 W15 W51 W52 and W54 Figure 15 16 W10 W14 W15 W51 W52 and W54 Cables Removal Options 508 513 526 ...

Страница 372: ...RF Area Options 508 513 526 3 Refer to Figure 15 17 Remove the three screws 1 0515 0372 that attach the switch bracket to the chassis Unplug the ribbon cable and the wire harnesses from each switch The switches and bracket can now be removed from the chassis Figure 15 17 Switch Bracket Bottom Screws ...

Страница 373: ...W2 coax switches 2 remove cables W13 and W53 as necessary to access the switch being removed Remove AT1 attenuator 3 if necessary Figure 15 18 Transfer Switch Coax Switches and Cables Options 508 513 526 5 Refer to Figure 15 19 To remove the SW3 transfer switch 1 remove the four screws 2 0515 1934 attaching the switch to the bracket Figure 15 19 Removing Transfer Switch from Bracket Options 508 51...

Страница 374: ...e Assembly Replacement Procedures RF Area Options 508 513 526 6 Refer to Figure 15 20 To remove the SW1 and SW2 coax switches 2 remove the two screws 1 0515 1992 attaching each switch to the bracket Figure 15 20 Removing Coax Switches from Bracket Options 508 513 526 ...

Страница 375: ...ax switches install them into the bracket with the label facing as shown Install SW1 bottom switch and secure with the two screws 1 0515 1992 and SW1 bracket 2 E4410 00104 to the main switch bracket 4 Torque to 6 inch lbs Install SW2 top switch with the two screws 1 0515 1992 and SW2 bracket 3 N9040 00019 Torque to 6 inch lbs Figure 15 21 Coax Switches Replacement Options 508 513 526 ...

Страница 376: ...entation shown with port 1 in the upper left corner Secure with the four screws 2 0515 1934 Torque to 6 inch lbs Figure 15 22 Replacing Transfer Switch Options 508 513 526 3 Refer to Figure 15 23 Replace AT1 attenuator 3 Torque to 10 inch lbs Replace cables W13 and W53 Torque to 10 inch lbs Figure 15 23 Replace Attenuator and Cables Options 508 513 526 Item Keysight Part Number W13 N9040 20036 W53...

Страница 377: ...ide 377 Assembly Replacement Procedures RF Area Options 508 513 526 4 Place the switches and switch bracket 1 into the chassis as shown in Figure 15 24 Plug the ribbon cable and the wire harnesses into each switch Figure 15 24 Switch Bracket Options 508 513 526 ...

Страница 378: ...zer Service Guide Assembly Replacement Procedures RF Area Options 508 513 526 5 Replace the three screws 1 0515 0372 that attach the switch bracket to the chassis as shown in Figure 15 25 Torque to 9 inch lbs Figure 15 25 Switch Bracket Bottom Screws ...

Страница 379: ...ptions 508 513 526 6 Refer to Figure 15 26 Replace cables W10 W14 W15 W51 W52 and W54 Torque to 10 inch lbs Figure 15 26 W10 W14 W15 W51 W52 and W54 Cables Replacement Options 508 513 526 Item Keysight Part Number W10 N9040 20033 W14 N9040 20034 W15 N9040 20035 W51 N9040 20028 W52 N9040 20031 W54 N9040 20030 ...

Страница 380: ...cedures RF Area Options 508 513 526 7 Refer to Figure 15 27 Place the front brace 1 into the chassis and secure with the eleven screws 2 0515 0372 Torque to 9 inch lbs Figure 15 27 Front Brace Replacement 8 Replace the RF bracket front panel and instrument outer case as described on page 360 ...

Страница 381: ...ly Removal 1 Perform step 1 through step 3 in the Low Noise Path and Microwave Preselector Bypass Switches removal procedure on page 371 to remove the bracket and switch assembly 2 Refer to Figure 15 28 Remove the chassis base stiffener 1 by removing the six screws 2 0515 0372 and the two screws 3 0515 1946 Figure 15 28 Chassis Base Stiffener Removal ...

Страница 382: ...cedures RF Area Options 508 513 526 3 Refer to Figure 15 29 and Figure 15 30 Remove cables W8 W16 W17 W18 W21 W30 and W33 from the A13 Front End assembly Figure 15 29 Front End Assembly Cables Removal Options 508 513 526 Figure 15 30 Front End Assembly Side Cables Removal Options 508 513 526 ...

Страница 383: ...n cables W22 and W28 and wire harness W12 from the Front End Controller board Figure 15 31 Front End Controller Board Cables 5 Refer to Figure 15 32 From the bottom of the instrument remove the six screws 2 0515 0372 that attach the Front End assembly 1 to the chassis The Front End assembly can now be removed Figure 15 32 Front End Assembly Bottom Screws Removal ...

Страница 384: ...Place the Front End assembly into the chassis From the bottom of the instrument replace the six screws 2 0515 0372 that attach the Front End assembly 1 to the chassis Torque to 9 inch pounds in the order shown 1 to 6 Figure 15 33 Front End Assembly Bottom Screws Replacement Make sure ribbon cable W22 is under the 4 guide tabs on the back of the Front End assembly ...

Страница 385: ...ent Procedures RF Area Options 508 513 526 2 Refer to Figure 15 34 Place the chassis base stiffener 1 in position on the chassis base Secure with the six screws 2 0515 0372 and the two screws 3 0515 1946 Torque all screws to 9 inch pounds Figure 15 34 Chassis Base Stiffener Replacement ...

Страница 386: ...edures RF Area Options 508 513 526 3 Refer to Figure 15 35 and Figure 15 36 Replace cables W8 W16 W17 W18 W21 W30 and W33 Torque to 10 inch pounds Figure 15 35 Front End Assembly Cables Replacement Options 508 513 526 Figure 15 36 Front End Assembly Side Cables Replacement Options 508 513 526 ...

Страница 387: ...re 15 37 Front End Controller Board Cables 5 Perform step 4 through step 7 in the Low Noise Path and Microwave Preselector Bypass Switches replacement procedure on page 377 to replace the bracket and switch assembly and front brace 6 Replace the RF bracket front panel and instrument outer case as described on page 360 Item Keysight Part Number W8 N9040 20032 W16 8121 2608 W17 N9040 60046 W18 N9040...

Страница 388: ...front end assembly 3 A11 low band switch assembly 4 transfer switch SW3 5 transfer switch SW6 6 RF input connector 7 A12 YTF Preselector 8 and A20 YTO 9 Figure 15 38 RF Area Components Options 544 550 To gain access to any of the RF section parts 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 ...

Страница 389: ...rews 2 0515 0372 and the six screws 3 0515 1946 using the T 10 driver Figure 15 39 RF Bracket Removal Options 544 550 After the part has been replaced follow these steps 1 Refer to Figure 15 39 Position the RF bracket onto the chassis and replace the eleven screws 2 0515 0372 and the six screws 3 0515 1946 using the T 10 driver Torque to 9 inch pounds 2 Replace the front panel Refer to the Front F...

Страница 390: ...40 To remove A9 RF attenuator A 1 or A10 RF attenuator B 2 remove the semi rigid cables W2 W3 W4 and W51 using the 5 16 inch wrench 2 Remove the ribbon cables attached to each attenuator 3 Remove the three screws 3 0515 0372 that attach the attenuator bracket to the chassis using the T 10 driver 4 Remove the attenuator from the bracket by removing the two screws 4 0515 0372 ...

Страница 391: ... UXA Signal Analyzer Service Guide 391 Assembly Replacement Procedures RF Area Options 544 550 Figure 15 40 Attenuators Removal Options 544 550 Item Keysight Part Number W2 N9040 20114 W3 N9040 20103 W4 N9040 20102 W51 N9040 20104 ...

Страница 392: ...on connector end is down 3 Replace the two screws 0515 0372 that attach the attenuator to the bracket Torque to 9 inch pounds 4 Position the attenuators and bracket into the chassis and attach with the three screws 3 0515 0372 Torque to 9 inch pounds 5 Replace the ribbon cable and semi rigid cables W2 W3 W4 and W51 to the attenuators Torque the semi rigid cables to 10 inch pounds 6 Replace the RF ...

Страница 393: ...igure 15 41 Remove the ribbon cable W7 2 Remove the semi rigid cables W8 W52 and W54 using the 5 16 inch wrench 3 Remove the five screws 2 0515 0372 using the T 10 driver The A11 low band switch 1 can now be removed from the chassis Figure 15 41 Low Band Switch Cable Removal Options 544 550 Item Keysight Part Number W8 N9040 20108 W52 N9040 20106 W54 N9040 20107 ...

Страница 394: ... Place the switch into place into the chassis and replace the five screws 0515 0372 Torque to 9 inch pounds 2 Replace the semi rigid cables W8 W52 and W54 Torque to 10 inch pounds 3 Replace the ribbon cable W7 Ensure locking tabs on the sides of the connector are engaged 4 Replace the RF bracket front panel and instrument outer case as described on page 360 ...

Страница 395: ...o Figure 15 42 Remove cables W67 and W68 from the YTF Preselector 1 2 Remove the wire harness W11 3 Refer to Figure 15 43 From the bottom of the instrument remove the four screws 1 0515 0372 The A12 YTF Preselector can now be removed from the chassis Figure 15 42 YTF Preselector Removal Options 544 550 Item Keysight Part Number W67 N9040 20109 W68 N9040 20110 ...

Страница 396: ...396 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Assembly Replacement Procedures RF Area Options 544 550 Figure 15 43 YTF Preselector and YTO Bottom Screws ...

Страница 397: ...e clear plastic backing on the pink side 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 15 44 Gap Pad Installation 3 Refer to Figure 15 43 Place the YTF Preselector into the chassis with the ribbon cable connector toward the r...

Страница 398: ...the bottom of the instrument remove the two screws 2 0515 0372 The A20 YTO can now be removed from the chassis Replacement 1 Refer to Figure 15 43 Place the YTO into the chassis Replace the two screws 2 0515 0372 Torque to 9 inch pounds 2 Figure 15 42 Replace the cable W20 Torque to 10 inch pounds 3 Replace the ribbon cable W23 Ensure the locking latch is engaged 4 Replace the RF bracket front pan...

Страница 399: ...F Area Options 544 550 Transfer Switches Removal 1 Refer to Figure 15 45 Remove the front brace 1 by removing the eleven screws 2 0515 0372 Figure 15 45 Front Brace Removal 2 Refer to Figure 15 46 Remove cables W51 W52 W54 W66 W67 W68 and W69 Figure 15 46 Transfer Switch Cables Removal Options 544 550 ...

Страница 400: ...s RF Area Options 544 550 3 Refer to Figure 15 47 Remove the three screws 1 0515 0372 that attach the switch bracket to the chassis Unplug the ribbon cable and the wire harnesses from each switch The switches and bracket can now be removed from the chassis Figure 15 47 Switch Bracket Bottom Screws ...

Страница 401: ...401 Assembly Replacement Procedures RF Area Options 544 550 4 Refer to Figure 15 48 To remove either SW3 or SW6 transfer switch remove the four screws 1 0515 1934 attaching the switch to the bracket Figure 15 48 Removing Transfer Switch from Bracket Options 544 550 ...

Страница 402: ...switch into the bracket in the orientation shown with port 1 in the upper left corner Secure with the four screws 1 0515 1934 Torque to 6 inch lbs Figure 15 49 Replacing Transfer Switch Options 544 550 2 Place the switches and switch bracket 1 into the chassis as shown in Figure 15 50 Plug the ribbon cable and the wire harnesses into each switch Figure 15 50 Switch Bracket Options 544 550 ...

Страница 403: ...r Service Guide 403 Assembly Replacement Procedures RF Area Options 544 550 3 Replace the three screws 1 0515 0372 that attach the switch bracket to the chassis as shown in Figure 15 51 Torque to 9 inch lbs Figure 15 51 Switch Bracket Bottom Screws ...

Страница 404: ...ptions 544 550 4 Refer to Figure 15 52 Replace cables W51 W52 W54 W66 W67 W68 and W69 Torque to 10 inch lbs Figure 15 52 Transfer Switch Cables Replacement Options 544 550 Item Keysight Part Number W51 N9040 20104 W52 N9040 20106 W54 N9040 20107 W66 N9040 20105 W67 N9040 20109 W68 N9040 20110 W69 N9040 20111 ...

Страница 405: ...rocedures RF Area Options 544 550 5 Refer to Figure 15 53 Place the front brace 1 into the chassis and secure with the eleven screws 2 0515 0372 Torque to 9 inch lbs Figure 15 53 Front Brace Replacement 6 Replace the RF bracket front panel and instrument outer case as described on page 360 ...

Страница 406: ... Front End Assembly Removal 1 Perform step 1 through step 3 in the Transfer Switches removal procedure on page 399 to remove the bracket and switch assembly 2 Refer to Figure 15 54 Remove the chassis base stiffener 1 by removing the six screws 2 0515 0372 and the two screws 3 0515 1946 Figure 15 54 Chassis Base Stiffener Removal ...

Страница 407: ... Procedures RF Area Options 544 550 3 Refer to Figure 15 55 Remove the cables W8 W33 W21 W18 W16 W17 and W30 from the A13 Front End assembly Some cables will not be present if the instrument is not Option B5X Figure 15 55 Front End Assembly Cables Removal Options 544 550 Option B5X shown ...

Страница 408: ...cables W22 and W28 and wire harness W12 from the Front End Controller board Figure 15 56 Front End Controller Board Cables 5 Refer to Figure 15 57 From the bottom of the instrument remove the six screws 2 0515 0372 that attach the Front End assembly 1 to the chassis The Front End assembly can now be removed Figure 15 57 Front End Assembly Bottom Screws Removal ...

Страница 409: ...ace the Front End assembly into the chassis From the bottom of the instrument replace the six screws 2 0515 0372 that attach the Front End assembly 1 to the chassis Torque to 9 inch pounds in the order shown 1 to 6 Figure 15 58 Front End Assembly Bottom Screws Replacement Make sure ribbon cable W22 is under the 4 guide tabs on the back of the Front End assembly ...

Страница 410: ...ement Procedures RF Area Options 544 550 2 Refer to Figure 15 59 Place the chassis base stiffener 1 in position on the chassis base Secure with the six screws 2 0515 0372 and the two screws 3 0515 1946 Torque all screws to 9 inch pounds Figure 15 59 Chassis Base Stiffener Replacement ...

Страница 411: ...nalyzer Service Guide 411 Assembly Replacement Procedures RF Area Options 544 550 3 Refer to Figure 15 60 Replace cables W8 W16 W17 W18 W21 W30 and W33 Torque to 10 inch pounds Figure 15 60 Front End Assembly Cables Replacement Options 544 550 ...

Страница 412: ...End Controller Board Cables 5 Perform step 4 through step 6 in the Transfer Switches replacement procedure on page 404 to replace the bracket and switch assembly and front brace 6 Replace the RF bracket front panel and instrument outer case as described on page 360 Item Keysight Part Number W8 N9040 20108 W16 8121 2027 W17 N9040 60046 W18 N9040 20113 W21 N9040 20112 W30 8121 2608 W33 8121 1940 W51...

Страница 413: ...re 15 62 Card Cage Boards To gain access to any of the card cage boards for removal follow these steps 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the card cage brace Perform step 4 in the Top Brace and Card Cage Brace removal procedure After the part has been replaced follow these steps 1 Replace the card cage brace as described in the Top Brac...

Страница 414: ...25 W26 W27 W28 W30 and W55 The Front End Control assembly can now be removed from the chassis by pulling up to disengage from the front motherboard Figure 15 63 Front End Control Cables Replacement 1 Reinstall the Front End Control assembly into the correct slot and push down to mate with the front motherboard 2 Refer to Figure 15 63 Reinstall cables W5 W7 W11 W12 W16 W22 W25 W26 W27 W28 W30 and W...

Страница 415: ...ference Assembly Removal 1 Refer to Figure 15 62 Locate the A16 Reference assembly 2 Refer to Figure 15 64 or Figure 15 65 Remove cables W3 W18 W31 W33 W34 if present W36 W37 W39 and W46 or W47 Figure 15 64 Reference Cables Figure 15 65 Reference Cables Option B40 The cables will look different for an Option B40 instrument ...

Страница 416: ...e motherboard and lift out of the chassis Figure 15 66 Card Cage Screws Replacement 1 Reinstall the Reference assembly into the correct slot and use the ejector to secure and to mate with the motherboard 2 Refer to Figure 15 66 Replace the two screws 2 0515 1946 Torque to 9 inch pounds 3 Refer to Figure 15 64 Reinstall cables W3 W18 W31 W33 W34 W36 W37 W39 and W46 You should hear a distinct snap w...

Страница 417: ...essary to remove the top brace Perform step 3 in the Top Brace and Card Cage Brace removal procedure 2 Refer to Figure 15 62 Locate the Wideband Analog I F assembly 3 3 Refer to Figure 15 67 Remove ribbon cable W56 by first removing the single screw 1 0515 0372 Then unplug W56 from the interconnection with W57 Figure 15 67 Wideband I F Ribbon Cable 4 Refer to Figure 15 68 Remove cables W34 W40 W41...

Страница 418: ... Wideband Analog I F assembly into the correct slot and use the ejectors to secure and to mate with the motherboard 2 Refer to Figure 15 66 Replace the two screws 3 0515 1946 Torque to 9 inch pounds 3 Refer to Figure 15 68 Reinstall cables W34 W40 W41 W45 and W46 You should hear a distinct snap when reinstalling the small mmcx cables 4 Refer to Figure 15 67 Plug ribbon cable W56 into W57 at the in...

Страница 419: ...fer to Figure 15 66 Remove the two screws 4 0515 1946 that attach the L O Synthesizer assembly to the chassis Use the ejector on the L O Synthesizer assembly to unplug from the motherboard and lift out of the chassis Replacement 1 Reinstall the L O Synthesizer assembly into the correct slot and use the ejector to secure and to mate with the motherboard 2 Refer to Figure 15 66 Replace the two screw...

Страница 420: ...fer to Figure 15 71 Use a 9 16 inch nut driver to remove the EXT REF IN connector from the rear panel Use a 5 16 inch nut driver to remove the AUX IF OUT connector from the rear panel Serial Number Prefix 5616 3 Refer to Figure 15 71 Remove the twenty one screws 1 0515 0372 and the four screws 2 0515 1946 The rear panel can now be removed from the chassis Figure 15 71 Rear Panel Screw Locations Se...

Страница 421: ... Procedures Rear Panel Serial Number Prefix 5616 4 Refer to Figure 15 72 Remove the fifteen screws 1 0515 0372 the four screws 2 0515 1946 and the eight screws 3 0515 0433 The rear panel can now be removed from the chassis Figure 15 72 Rear Panel Screw Locations Serial Number Prefix 5616 ...

Страница 422: ...river on the AUX IF OUT connector and torque to 10 inch pounds Reinstall the rear panel into position in the chassis 2 For Serial Number Prefix 5616 Refer to Figure 15 71 Replace the twenty one screws 1 0515 0372 and the four screws 2 0515 1946 Torque all screws to 9 inch pounds 3 For Serial Number Prefix 5616 Refer to Figure 15 72 Replace the fifteen screws 1 0515 0372 and the four screws 2 0515 ...

Страница 423: ...nel Refer to the Rear Panel removal procedure 3 Remove the top brace Perform step 3 in the Top Brace and Card Cage Brace removal procedure 4 For Serial Number Prefix 5605 Options 508 513 526 Refer to Figure 15 73 Remove the rear brace 1 by removing the five screws 2 0515 0372 and the one or two screws 3 0515 1946 Option B2X instruments will only have the top screw while Option B5X instruments will...

Страница 424: ...umber Prefix 5605 and All Options 544 and 550 Refer to Figure 15 74 Remove the rear brace 1 by removing the four screws 2 0515 0372 and the one or two screws 3 0515 1946 Option B2X instruments will only have the top screw while Option B5X instruments will have both Figure 15 74 Rear Brace Removal Serial Number Prefix 5605 and All Options 544 and 550 ...

Страница 425: ...ments will only have the top Wideband Digital I F board 1 Option B5X instruments will have both boards 1 and 2 Remove the spring clips securing the ribbon cables Unplug the ribbon cables from each Wideband Digital I F board Use the ejectors to remove the boards from the chassis by sliding them towards the rear of the instrument Figure 15 75 Wideband Digital I F Boards Removal ...

Страница 426: ... Prefix 5605 Options 508 513 526 Refer to Figure 15 73 Reinstall the rear brace 1 into position Secure with the five screws 2 0515 0372 and the one or two screws 3 0515 1946 Torque all screws to 9 inch pounds 4 For Serial Number Prefix 5605 and All Options 544 and 550 Refer to Figure 15 74 Reinstall the rear brace 1 into position Secure with the four screws 2 0515 0372 and the one or two screws 3 ...

Страница 427: ...rsion The latest H1G assembly is provided as a replacement kit that includes a hole plug and the cable color bands These color bands and hole plug are only required if you are replacing the early version H1G assembly Replacement process when the H1G assembly is the early version Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the top brace P...

Страница 428: ...ure 15 76 Rear Brace Removal 7 Locate the H1G assembly and use the board extractor handles to loosen the board slightly and allow access to the coax cables attached to the board 8 Refer to Figure 15 77 Remove the snap in cables from the board assembly Leave the blue cables attached for removal later Figure 15 77 Early H1G Assembly ...

Страница 429: ...cable There is an extra 1 color band in the kit if you need to replace the existing color band 4 On the rear panel BNC cable Trigger 3 IN attach two 1 color bands next to the mmcx connector to label this cable 11 5 Locate the replacement H1G assembly in the kit remove it from the shipping container and carefully insert it into the instrument Leave the board extractor handles open which makes cable...

Страница 430: ...1G assembly and install the sma end through the rear panel hole marked IF 2 OUT Secure with the nut and washer removed earlier Torque to 10 inch pounds using a 5 16 inch wrench 10 Re install the rear brace and rear panel using the screws removed earlier 11 Locate the black plastic hole plug in the kit and install in the IF 2 IN hole on the rear panel 12 Re install the top brace and instrument encl...

Страница 431: ...or reuse 3 Remove the screws from the rear panel and carefully pull away from the instrument Avoid damaging the cables attached 4 Refer to Figure 15 79 Remove the rear brace 1 by removing the four screws 2 0515 0372 and the seven screws 3 0515 1946 Save the screws for reuse Figure 15 79 Rear Brace Removal 5 Locate the H1G assembly and use the board extractor handles to loosen the board slightly an...

Страница 432: ...o the instrument Leave the board extractor handles open which makes cable reattachment easier 2 Locate the blue cable connected to the rear panel and route under the left board extractor arm Use a 5 16 inch wrench and torque to 10 inch pounds 3 Connect the 11 cable from the rear panel Trigger 3 IN to J11 on the H1G assembly This cable routes over the left board extractor arm 4 Connect the 13 15 an...

Страница 433: ... instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the top brace Perform step 3 in the Top Brace and Card Cage Brace removal procedure 3 For Serial Number Prefix 5605 Refer to Figure 15 81 Remove the RF bracket 1 by removing the thirteen screws 2 0515 0372 and the two screws 3 0515 1946 using the T 10 driver Figure 15 81 RF Bracket Removal Serial Number Prefix 560...

Страница 434: ...ment Procedures A28 Wideband Extension Board Option RTS 4 Serial Number Prefix 5605 Refer to Figure 15 82 Remove the RF bracket 1 by removing the thirteen screws 2 0515 0372 and the six screws 3 0515 1946 using the T 10 driver Figure 15 82 RF Bracket Removal Serial Number Prefix 5605 ...

Страница 435: ...ts will only have the top Wideband Digital I F board Option B5X instruments will have both boards Unplug the flex circuit cables from each Wideband Digital I F board at the location shown Remove the three screws 1 attaching the Wideband Extension board 2 to the chassis The A28 Wideband Extension board can now be removed from the chassis Figure 15 83 Wideband Extension Board Removal ...

Страница 436: ...old board and attach to the new Wideband Extension board taking care to connect them to the same connectors as the old board Refer to Figure 15 87 Option B2X instruments will have one flex cable Option B5X instruments will have two flex cables 9 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 casti...

Страница 437: ...ide 437 Assembly Replacement Procedures A28 Wideband Extension Board Option RTS Replacement 1 Refer to Figure 15 85 and Figure 15 86 The flex circuit cables will need to be routed as shown Figure 15 85 Flex Circuit Routing 1 Figure 15 86 Flex Circuit Routing 2 ...

Страница 438: ... the Wideband Extension J1 to the connector on the WB Digital IF assembly If the UXA 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 bottom WB Digital IF board in the card cage Connect the other flex circuit from the WB Digital IF Extension J1 to the top WB Digital IF board in the card cage ...

Страница 439: ...l Refer to the Rear Panel removal procedure 3 Remove the top brace Perform step 3 in the Top Brace and Card Cage Brace removal procedure Serial Number Prefix 5605 Options 508 513 526 1 Refer to Figure 15 88 Remove the five screws 2 0515 0372 that attach the A6 power supply 1 to the chassis The power supply can now be removed by sliding it out of the rear of the chassis Figure 15 88 Power Supply Re...

Страница 440: ...acket will need to be removed from the old power supply and installed on the new one Refer to Figure 15 89 Remove the nine screws 3 0515 1946 that attach the power supply bracket 2 to the A6 power supply 1 When reinstalling the bracket torque the screws to 9 inch pounds Figure 15 89 Power Supply Bracket Separation Serial Number Prefix 5605 Options 508 513 526 ...

Страница 441: ... B5X the A22 and A23 Wideband Digital I F boards must be removed Refer to the A22 A23 Wideband Digital I F Boards removal procedure 2 Refer to Figure 15 90 Remove the nine screws 2 0515 1946 that attach the A6 power supply 1 to the bracket The power supply can now be removed by sliding it out of the rear of the chassis Figure 15 90 Power Supply Removal Serial Number Prefix 5605 and All Options 544...

Страница 442: ...ent outer case Refer to the Instrument Outer Case replacement procedure Serial Number Prefix 5605 and All Options 544 and 550 1 Reinstall the power supply into position in the chassis and slide forward to mate with the rear motherboard 2 Refer to Figure 15 90 Replace the nine screws 2 0515 1946 that attach the A6 power supply 1 to the bracket Torque to 9 inch pounds 3 If the instrument has Option ...

Страница 443: ...ectors to disconnect the CPU from the rear motherboard and remove it from the chassis Figure 15 91 CPU Removal Replacement 1 Refer to Figure 15 91 Slide the CPU assembly into the slot and use the ejectors to mate the CPU with the rear motherboard Replace the six screws 2 0515 0372 Torque to 9 inch pounds To remove the SSD or the memory card it is not necessary to remove the CPU assembly from the c...

Страница 444: ...Service Guide Assembly Replacement Procedures A4 CPU A5 Solid State Drive Replacement of A5 SSD or A4A1CPU Memory Card Disk Drive Removal 1 Refer to Figure 15 92 Loosen the thumb screw 2 and pull the SSD 1 out of the CPU assembly Figure 15 92 SSD Removal ...

Страница 445: ...re 15 93 Disk Drive Tray Screws Replacement 1 Refer to Figure 15 93 Place the new SSD into the tray assembly and attach with the four screws 5 0515 1035 Torque to 9 inch pounds 2 Refer to Figure 15 92 Slide the SSD into the CPU assembly and push to mate the connector Secure the thumb screw to 9 inch pounds Make sure not to use the 0515 0372 screw because for the PC6 processor it will cause the SSD...

Страница 446: ...1 CPU Memory Card 1 Refer to Figure 15 94 Remove the SSD as described on page 444 The memory card 2 can be removed by pushing on the memory card and it will spring out To install the memory card push it into the slot until you feel the spring catch Then replace the SSD as described on page 445 Figure 15 94 CPU Memory Card Removal ...

Страница 447: ...AIF A3 DIF A2 AIF A3 DIF Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the rear panel Refer to the Rear Panel removal procedure 3 Refer to Figure 15 95 Remove cables W39 W40 W42 and W47 from the bottom of the DIF assembly Figure 15 95 DIF Cables ...

Страница 448: ...of the chassis Remove cables W25 W36 and W42 from the AIF assembly Figure 15 96 AIF Cables 5 The AIF DIF assembly can be removed from the chassis by pulling straight out the back Separate AIF DIF Assembly 1 Refer to Figure 15 97 To separate the AIF 1 from the DIF 2 unplug ribbon cable W43 from the AIF assembly 2 From underneath the assembly remove the three screws 3 0515 0372 ...

Страница 449: ...econnect the ribbon cable W43 Replacement 1 Slide the AIF DIF assembly partially into the slot at the rear of the instrument 2 Refer to Figure 15 96 Replace cables W25 W36 and W42 to the AIF assembly 3 Push on the AIF DIF assembly to mate the connectors to the motherboard assembly 4 Refer to Figure 15 95 Replace cables W39 W40 W42 and W47 to the bottom of the DIF assembly 5 Replace the rear panel ...

Страница 450: ...e Instrument Outer Case removal procedure 2 Remove the front frame Refer to the Front Frame Assembly removal procedure 3 For Serial Number Prefix 5605 Options 508 513 526 Refer to Figure 15 98 Remove the nine screws 1 0515 0372 and the two screws 2 0515 1946 that attach the fan bracket to the chassis Figure 15 98 Fan Bracket Removal Serial Number Prefix 5605 Options 508 513 526 ...

Страница 451: ...res Fan Assembly 4 For Serial Number Prefix 5605 and All Options 544 and 550 Refer to Figure 15 99 Remove the seven screws 1 0515 0372 and the six screws 2 0515 1946 that attach the fan bracket 3 to the chassis Figure 15 99 Fan Bracket Removal Serial Number Prefix 5605 and All Options 544 and 550 ...

Страница 452: ...ies N9040B UXA Signal Analyzer Service Guide Assembly Replacement Procedures Fan Assembly 5 Refer to Figure 15 100 Fold the fan bracket down and unplug both fan wires from the rear motherboard Figure 15 100 Unplug Fan Wires ...

Страница 453: ...om the clip retaining the fan wires The fan can now be lifted out and replaced Figure 15 101 Fan Replacement 2 When replacing a fan place it on the inner side bracket 5 using the guide pins Note the orientation of the fan air flow the air flow marks on the fan point toward the bracket Feed the fan wires through the grommet Reattach the wire retaining clip with the screw 0515 0372 3 Place the side ...

Страница 454: ...hassis Replace the nine screws 1 0515 0372 and the two screws 2 0515 1946 Torque all screws to 9 inch pounds 3 For Serial Number Prefix 5605 and All Options 544 and 550 Refer to Figure 15 99 Place the fan bracket into position taking care to avoid pinching the fan wires between the fan bracket and the chassis Replace the seven screws 1 0515 0372 and the six screws 2 0515 1946 that attach the fan b...

Страница 455: ...2 shows the locations of the motherboards with most of the other assemblies removed Figure 15 102 Motherboard Locations Front Motherboard A8 Front Motherboard Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the top brace and card cage brace Refer to the Top Brace and Card Cage Brace removal procedure 3 Remove the front frame Refer to the Fro...

Страница 456: ...nt Procedures Motherboards 5 For Serial Number Prefix 5605 Refer to Figure 15 103 Remove the RF bracket 1 by removing the eleven or thirteen with Option RTS screws 2 0515 0372 and the two screws 3 0515 1946 using the T 10 driver Figure 15 103 RF Bracket Removal Serial Number Prefix 5605 ...

Страница 457: ...emove the RF bracket 1 by removing the eleven or thirteen with Option RTS screws 2 0515 0372 and the six screws 3 0515 1946 using the T 10 driver Figure 15 104 RF Bracket Removal Serial Number Prefix 5605 7 Remove the fan bracket Refer to the Fan Assembly removal procedure 8 Refer to Figure 15 105 Remove the front brace 1 by removing the eleven screws 2 0515 0372 ...

Страница 458: ...hnologies N9040B UXA Signal Analyzer Service Guide Assembly Replacement Procedures Motherboards Figure 15 105 Front Brace Removal 9 Remove the Low Band switch assembly Refer to the A11 Low Band Switch removal procedure ...

Страница 459: ...and Microwave Preselector Bypass Switches Refer to the Low Noise Path and Microwave Preselector Bypass Switches removal procedure 12 Remove the Front End Assembly Refer to the A13 RF Front End Assembly removal procedure 13 Refer to Figure 15 107 Remove the seven screws 1 0515 0372 that attach the front motherboard bracket to the chassis Use the ejectors to disconnect from the rear motherboard and ...

Страница 460: ...nt Procedures Motherboards Figure 15 107 Front Motherboard Removal 14 Refer to Figure 15 108 To separate the front motherboard 1 from the bracket 2 remove the nine screws 3 0515 0372 When replacing the screws torque to 9 inch pounds Figure 15 108 Front Motherboard and Bracket Separation ...

Страница 461: ...placement procedure 5 Replace the Low Noise Path and Microwave Preselector Bypass Switches Refer to the Low Noise Path and Microwave Preselector Bypass Switches replacement procedure 6 Refer to Figure 15 105 Place the front brace 1 into position in the chassis and replace the eleven screws 2 0515 0372 Torque to 9 inch pounds 7 Replace the RF bracket Refer to the RF Bracket removal steps on page 45...

Страница 462: ...r to the A22 A23 Wideband Digital I F Boards removal procedure 3 Remove the CPU assembly Refer to the A4 CPU A5 Solid State Drive removal procedure 4 Remove the power supply Refer to the A6 Power Supply removal procedure 5 Remove AIF DIF assembly Refer to the A2 AIF A3 DIF removal procedure 6 For Serial Number Prefix 5616 Refer to Figure 15 109 Remove the six screws 1 three on each side 0515 0372 ...

Страница 463: ...embly Replacement Procedures Motherboards 7 For Serial Number Prefix 5616 Refer to Figure 15 110 Remove the eight screws 1 four on each side 0515 0433 that attach the rear motherboard bracket to the chassis Figure 15 110 Rear Motherboard Removal Serial Number Prefix 5616 ...

Страница 464: ...r motherboard and bracket into the chassis and push down to mate with the bottom motherboard Replace the six screws 1 three on each side 0515 0372 to attach the rear motherboard bracket to the chassis Torque to 9 inch pounds 2 For Serial Number Prefix 5616 Refer to Figure 15 110 Place the rear motherboard and bracket into the chassis and push down to mate with the bottom motherboard Replace the ei...

Страница 465: ...and Digital I F Boards replacement procedure 8 Replace the front motherboard Refer to the Front Motherboard A8 Front Motherboard replacement procedure Bottom Motherboard A24 Motherboard Interconnect Removal 1 Remove the front motherboard Refer to the Front Motherboard A8 Front Motherboard removal procedure 2 Remove the rear motherboard Refer to the Rear Motherboard A7 Rear Motherboard removal proc...

Страница 466: ...oard to the pins on the chassis Lower and push the board towards the rear of the chassis to lock into place Replace the two screws 1 0515 0372 to attach the bottom motherboard to the chassis Torque to 9 inch pounds 2 Replace the rear motherboard Refer to the Rear Motherboard A7 Rear Motherboard replacement procedure 3 Replace the front motherboard Refer to the Front Motherboard A8 Front Motherboar...

Страница 467: ...trument outer case Refer to the Instrument Outer Case removal procedure 2 Remove the front frame Refer to the Front Frame Assembly removal procedure 3 Refer to Figure 15 113 Disconnect the W2 semi rigid cable from the input connector 1 Figure 15 113 Input Connector Removal 4 Remove the two screws 2 0515 0372 that attach the input connector to the chassis ...

Страница 468: ...e input connector 1 into position in the chassis Replace the two screws 2 0515 0372 Torque to 9 inch pounds 2 Reconnect the semi rigid cable W2 to the input connector Torque to 10 inch pounds 3 Replace the front frame Refer to the Front Frame Assembly replacement procedure 4 Replace the instrument outer case Refer to the Instrument Outer Case replacement procedure ...

Страница 469: ...ront Frame Assembly Removal 1 Remove the instrument outer case Refer to the Instrument Outer Case removal procedure 2 Refer to Figure 15 114 Disconnect the two cables 1 just behind the front frame with a 5 16 inch wrench and a 1 4 inch wrench Figure 15 114 EXM Cable Make sure any connectors on the front panel are removed ...

Страница 470: ... Guide Assembly Replacement Procedures Front Frame Assembly 3 Refer to Figure 15 115 Disconnect W1 ribbon cable from the rear motherboard at the location indicated The cable has locking tabs on each side pinch and pull to release Figure 15 115 Front Panel Cable ...

Страница 471: ... Procedures Front Frame Assembly 4 Refer to Figure 15 116 Using the T 20 driver remove the fourteen screws 1 seven on each side 0515 2044 Using the T 10 driver remove the one screw 2 0515 0372 The front frame can now be detached from the chassis Figure 15 116 Front Frame Assembly Removal ...

Страница 472: ... the RF connector Using the T 20 driver replace the fourteen screws 1 seven on each side 0515 2044 Torque to 21 inch pounds 2 Using the T 10 driver replace the one screw 2 0515 0372 Torque to 9 inch pounds 3 Refer to Figure 15 115 Reattach the ribbon cable W1 Ensure the locking tabs are engaged 4 Refer to Figure 15 114 Reconnect the two cables 1 just behind the front frame Torque to 10 inch pounds...

Страница 473: ...17 Front Frame Parts Access to any of the Front Frame assemblies requires removal of the Front Frame Assembly from the chassis Item Description Item Description 7 A1A5 Controller Board 13 A1W2 Cable 8 A1W4 Cable 14 A1W3 Cable 9 A1W1 Cable 15 A1A4 Converter DC DC 10 A1MP14 Front Panel Interface Bracket 16 W1 Cable 12 A1MP21 Display Bracket 17 W29 Semi rigid Cable ...

Страница 474: ...474 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Assembly Replacement Procedures Front Frame Assembly Figure 15 118 Front Frame Exploded View ...

Страница 475: ...Interface Board 7 Front Panel Controller Board 8 A1W4 Cable Assembly 9 A1W1 Cable Assembly Flex Circuit 10 Front Panel Controller Board Bracket 11 Display Compression Pad 12 Display Bracket 13 A1W2 Cable Assembly 14 A1W3 Cable Assembly 15 DC DC Converter Board 16 Front Panel Interface Board Shield 17 W1 Ribbon Cable 18 W29 Semi Rigid Cable 19 A1A3 Touch Screen Display 20 A1A6 Front Panel On Button...

Страница 476: ...hield 1 Refer to Figure 15 119 Remove cable W29 2 To remove the front panel shield 1 remove the fourteen 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 4 When replacing the cable W29 torque to 10 inch pounds ...

Страница 477: ...r Service Guide 477 Assembly Replacement Procedures Front Frame Assembly Front Panel Cables Figure 15 120 Front Panel Cables 1 Refer to Figure 15 120 Remove cables A1W2 A1W3 and A1W4 2 When replacing the cables dress in the appropriate cable clamps ...

Страница 478: ...Assembly Replacement Procedures Front Frame Assembly DC DC Converter Board Figure 15 121 DC DC Converter Board 1 Refer to Figure 15 121 To remove the DC DC converter board 1 remove the two screws 2 0515 0372 2 When replacing the board torque the screws to 9 inch pounds ...

Страница 479: ... Refer to Figure 15 122 To remove the controller bracket 1 remove the four screws 2 0515 0664 and the two screws 3 0515 0372 Figure 15 122 Controller Bracket 2 Refer to Figure 15 123 Unplug cable A1W1 from the controller board at the location shown Pull up on the locking tab to remove the cable To remove the controller board 1 remove the four screws 2 0515 0372 ...

Страница 480: ... Procedures Front Frame Assembly Figure 15 123 Controller Board 3 When replacing the board position on top of the keyboard and press down to mate connectors Torque the screws to 9 inch pounds When replacing the cable A1W1 press down on the locking tab with the cable fully seated to secure ...

Страница 481: ... Service Guide 481 Assembly Replacement Procedures Front Frame Assembly Display Assembly Removal 1 Refer to Figure 15 124 Remove the six screws 2 0515 1946 The display assembly 1 can now be lifted out of the front frame Figure 15 124 Display Removal ...

Страница 482: ...an now be separated from the display Separate the display compression pad 3 and disconnect cable A1W1 2 Figure 15 125 Display and Bracket Separation 3 To reassemble the display assembly first connect cable A1W1 2 to the display 1 4 Place the display compression pad 3 on the display as shown in Figure 15 125 Make sure the pad is seated properly 5 Place the display bracket 4 onto the display and rep...

Страница 483: ... Refer to Figure 15 126 Remove the RPG knob by carefully pulling it off To remove the keyboard 1 remove the ten screws 2 0515 0430 Figure 15 126 Keyboard 2 Refer to Figure 15 127 To separate the keypad 1 from the keyboard 2 pull the keypad away from the keyboard to release the multiple rubber tabs Figure 15 127 Keyboard Keypad Separation ...

Страница 484: ...eypad 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 4 When replacing the board position in the front frame and replace the ten screws Torque the screws to 9 inch pounds starting with the screw 1 first and then 2 as shown in Figure 15 126 Replace the RPG knob by firmly pushing it onto the shaft ...

Страница 485: ... 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...

Страница 486: ...t and or performance 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 491 Calibration Data Backup and Restore BIOS Settings Verification FPGA Synchronization Programming Mode...

Страница 487: ...onizationb Power Bandwidth Accuracy Resolution Bandwidth Switching Uncertainty Residual Responses Displayed Average Noise Level IF Frequency Response Option B25 B40 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 Verificationb Set Instrument Time...

Страница 488: ... Amplitude Accuracy Frequency Response All Tests A13 Front End Assembly YTF Alignment Press System Alignments Advanced Characterize Preselector Frequency Response All Tests Attenuator Slope TOI Adjustment Front End Controller Attenuator Adjustment Attenuator Slope Preamp On Characterize Noise Floor Press System Alignments Advanced Residual Responses Displayed Average Noise Level Spurious Responses...

Страница 489: ...ynchronizationb IF Frequency Response UWBIF IF Phase Linearity Noise Density Spurious Responses IF Frequency Response UWBIF Also go to Utilities and perform IF Frequency Response UWBIF Check utility IF Phase Linearity Utility A22 Wideband Digital IF Option B2X B5X FPGA Synchronizationb IF Frequency Response UWBIF IF Phase Linearity Noise Density Spurious Responses IF Frequency Response UWBIF Also ...

Страница 490: ...led 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 chap ter for details e See Chapter 17 Instrument Software for instructions on updating the instrument software to the lat est version f The 50 MHz and 4800...

Страница 491: ...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 16 1 will appear Whi...

Страница 492: ...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 Fi...

Страница 493: ... 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 ro...

Страница 494: ...er 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 16 1 will appear 4 Follow the on screen instruction to restore the previously saved calibration data from the USB FLASH drive 5 Cycle ...

Страница 495: ...ay not boot up or operate correctly Default BIOS Settings 1 Connect an external USB keyboard to one of the front panel USB ports 2 Turn on instrument power 3 Confirm Keysight Technologies splash screen comes up within a few seconds 4 Press the key on the keyboard specified on the initial boot screen to enter the setup utility 5 Navigate to the Exit screen and select Restore Defaults or Load Setup ...

Страница 496: ...ll take just a few minutes to complete and will require very little user interaction Initialization 1 With the new disk drive installed power the instrument on 2 Within a few seconds you will see the initial Keysight Technologies splash screen and then the boot selection menu as seen in Figure 16 3 3 Allow the instrument to boot the Windows operating system This will happen automatically after 5 s...

Страница 497: ...indow will appear as shown in Figure 16 4 Figure 16 4 License Agreement Window 5 Select Agree to continue with the operating system initialization If the initialization process would like to be postponed select Do Not Agree at this time to safely shut the instrument off The next time this disk drive is powered on this process will be restarted ...

Страница 498: ...lization process Once this process has completed the Anti Virus Message will appear as shown in Figure 16 5 At this point the operating system initialization process will be completed and either selection can be made or the instrument can be powered off Figure 16 5 Anti Virus Message 7 The disk drive in use is now ready for further configuration ...

Страница 499: ...mblies that need to be updated and will update them to the correct revision 1 Close the instrument application 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 double click on the Windows Explorer link on the desktop and navigate to the following folder C Program Files Agilent SignalAnalysis Physi...

Страница 500: ... 6 will appear Figure 16 6 FPGA Programming Utility 6 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 7 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 ...

Страница 501: ...he instrument to the capability 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 N7800A Keysight Calibration Application Software will be required Information regarding N7800A Keysight Calibration Application Software can be found at http www keysight com find calibrationsoftware When th...

Страница 502: ...502 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Post Repair Procedures ...

Страница 503: ...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...

Страница 504: ...the required test 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 Freq Ref In b If the Freq Ref In softkey does not show Internal press the Freq Ref Input softkey and select Internal 5 Following instrument warm up perform the auto align routine Press System Alignments Alig...

Страница 505: ...m f connector 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 1...

Страница 506: ...70 to 20 dBm 8481D 8487D 8485D 508 513 Power Sensor Frequency Range 50 MHz to 13 66 GHz Amplitude Range 30 to 20 dBm 8481A 526 Power Sensor Frequency Range 50 MHz to 26 5 GHz Amplitude Range 30 to 20 dBm 8485A Preamp Low Power Sensor Frequency Range 50 MHz to 50 GHzc Amplitude Range 70 to 20 dBm 8487D 8485Dc Miscellaneous Equipment All Filter 50 MHz Low Pass Cutoff Frequency 50 MHz Rejection at 65...

Страница 507: ...ncy equal to or greater than the maximum frequency of the UXA b PSG model numbers E8244A E8254A E8247C Option 520 E8247C Option H31 or 540 E8257D Option 520 E8257D Option 550 E8257D Option 567 E8267D Option 544 c Maximum frequency equal to or greater than the maximum frequency of the preamplifier option Analyzer Option Item Critical Specifications Recommended Keysight Model Alternate Keysight Mode...

Страница 508: ...sidual response The measurement is then averaged and the result is normalized to a 1 Hz bandwidth Figure 17 1 DANL Test Setup Procedure 1 Configure the equipment as shown in Figure 17 1 2 Press Mode Meas Spectrum Analyzer OK Mode Preset on the analyzer 3 Set up the signal analyzer by pressing FREQ Channel Center Frequency 10 MHz Input Output select INPUT FREQ Channel RF RF Coupling select DC Span ...

Страница 509: ...e the measured value to a 1 Hz BW by adding 30 dB to the measured value 10 Enter the normalized value of the displayed average noise level in Table 17 1 11 The value of the normalized displayed average noise should be less than the specification value 12 Change the analyzer center frequency to the next value listed in Table 17 1 Press FREQ Channel Center Freq Table 2 1 Value GHz Ignore the residua...

Страница 510: ...at step 4 through step 12 to fill in the remainder of Table 17 1 for your analyzer frequency range Table 17 1 Displayed Average Noise Level DANL Results Center Frequency Measured Average Noise Level dBm Normalized Average Noise Level 1 Hz BW dBm Test Limits dBm 10 MHz 153 2 GHz 152 6 GHz 148 13 GHz 147 20 GHz 140 26 5 GHz 133 ...

Страница 511: ...dwidths to be tested Frequency reference error is eliminated by using the same frequency standard for the analyzer and signal source Figure 17 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 ...

Страница 512: ...rument is functioning correctly the marker reading in the active function block will be between the values listed in Table 17 2 Record the marker value in the Marker Frequency Readout column in Table 17 2 5 On the signal analyzer change the span and center frequency as listed in Table 17 2 6 Change the synthesized sweeper frequency to match the center frequency of the analyzer 7 Repeat step 4 thro...

Страница 513: ...d harmonic product displayed on the analyzer Applied Frequency Mixer Levela a Mixer Level Input Level RF Attenuation Distortion 40 MHz 15 dBm 60 dBc 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 8...

Страница 514: ...Frequency 40 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 ...

Страница 515: ...Harmonic Distortion SHD 9 Press Peak Search Enter the displayed value under the Measured Second Harmonic Distortion dBc heading in Table 17 3 Table 17 3 Second Harmonic Distortion Results Applied Frequency MHz Measured Second Harmonic Distortion dBc Mixer Level dBm Specification dBc 40 15 60 ...

Страница 516: ...he attenuation 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 A...

Страница 517: ...ignal analyzer input through the adapter 3 If the auto alignment for the analyzer 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 Mo...

Страница 518: ... column of Table 17 4 d Record the synthesized sweeper amplitude as measured by the power meter in the Power Meter Amplitude column of Table 17 4 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 17 4 i Calculate the signal amplitude accura...

Страница 519: ...he Span as listed in Table 17 5 6 Record the synthesized sweeper amplitude as measured by the power meter in the Power Meter Amplitude column of Table 17 5 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 17 5 11 Calculate the signal amplitude a...

Страница 520: ...8 4 GHz to 13 6 GHz 3 0 dB 13 6 GHz to 26 5 GHz 3 5 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 508 513 526 Frequency 10 MHz to 26 5 GHz VSWR 1 4 1 11500E Cables BNC 120 cm Frequency 10 MHz 105...

Страница 521: ...ipment as shown in Figure 17 5 3 Assure the signal analyzer s built in auto alignment has been performed within the last 24 hours 4 Press Mode Spectrum Analyzer Mode Preset on the signal analyzer and press Preset on the synthesized sweeper 5 Set up the synthesized sweeper by pressing CW 50 MHz Power level 4 dBm Connect the power splitter to the signal analyzer input using the appropriate adapter D...

Страница 522: ...gnal analyzer into the MeasAmp column of Table 17 6 11 Enter the power meter reading into the PowerMeter column of Table 17 6 12 Tune the synthesized sweeper and signal analyzer to the next frequency listed in Table 17 6 13 Enter the power sensor calibration factor into the power meter 14 For frequencies 3 6 GHz and above press AMPTD Y Scale then Presel Center to center the preselector filter for ...

Страница 523: ...ency 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 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 ...

Страница 524: ... 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 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 P08 P13 P26 Frequency 10 MHz to 26...

Страница 525: ...m 8487D Power Splitter Opt 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 sweeper must be equal to or greater than the maximum frequency of the preamplifier option Item Critic...

Страница 526: ...en 0 dB AMPTD Y Scale Ref Level 55 dBm 7 Adjust the synthesized sweeper output power for a power meter reading of 60 dBm 0 1 dB 8 On the signal analyzer press 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 17 6 Frequency Response Flatness Results Enter the amplitude of the signal displayed on the signal analyzer into the...

Страница 527: ...0 MHz 18 Enter the computed flatness error value into the FlatNorm column of Table 17 6 19 Compare the value of FlatNorm to the test limit Table 17 7 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 ...

Страница 528: ...t s internal 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 ...

Страница 529: ...et on the analyzer 3 Set up the synthesized sweeper by pressing Frequency 50 MHz Amplitude 5 dBm RF On Off On 4 Set up the signal 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 Averaging is used for all measurements to i...

Страница 530: ...2 dB 7 On the analyzer press the Single Restart to trigger a 10 sweep average 8 On the analyzer activate the Marker Delta function 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 17 8 d...

Страница 531: ...lyzer Service Guide 531 Functional Tests Scale Fidelity Table 17 8 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 ...

Страница 532: ...532 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Functional Tests Scale Fidelity ...

Страница 533: ...rvice Guide 18 Instrument Software What You Will Find in This Chapter Instrument Software Overview on page 534 Software Licensing on page 534 Software Updates on page 535 Instrument Measurement Application Software on page 535 89601 VSA Software on page 535 ...

Страница 534: ...on 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 are exceptions to th...

Страница 535: ...latest revision of the software can be downloaded from http www keysight com find uxa_software 89601 VSA Software Updates for the 89601 VSA software can be downloaded from http www keysight com find sa_software The revision of the 89601 VSA software must be compatible with the revision of the instrument measurement application software package that is installed in the instrument To determine what ...

Страница 536: ...536 Keysight Technologies N9040B UXA Signal Analyzer Service Guide Instrument Software Software Updates ...

Страница 537: ... number 284 troubleshooting 190 A21 Wideband Analog I F assembly removal 417 A21 Wideband Analog IF Troubleshooting 239 A22 and A23 Wideband Digital I F assemblies removal 423 A22 Wideband Digital IF Troubleshooting 245 A24 bottom motherboard removal 465 A27 H1G Assembly 427 removal 427 A28 Wideband Extension board removal 433 A3 Digital IF assembly removal 447 A3 digital IF assembly description 1...

Страница 538: ...3 LCD display output rear panel 63 displayed average noise level See DANL 508 dress case see outer case E electronic attenuator path 141 Electronic Attenuator Test Option EA3 troubleshooting 154 electrostatic discharge 23 entitlement certificate 14 equipment functional tests 505 warm up time 504 error messages 46 73 74 example 76 format 75 viewing messages in queue 77 error queues capacity 76 clea...

Страница 539: ...nt panel 46 green 48 power on 54 standby 51 yellow 48 51 license key 14 licensing software 534 limiters RF 19 LO Band Lock menu description 278 load 50 ohm 18 loading instrument application software 219 low band mixing equations 156 low band path 140 low band preamplifier path 141 low band signal level verification 71 low band switch see A11 low band switch low band troubleshooting 146 Low Noise P...

Страница 540: ...ace error queue 76 second harmonic distortion test 513 serial number 41 service equipment 27 returning your instrument 42 tools 27 350 service menus 265 service strategy 14 signal level verification 71 Snapshot Alignments menu description 274 software licensing 534 specifications 46 Specifications Guide on CD ROM 17 splash screen 48 60 62 splitters 19 SSD assembly see A5 SSD assembly SSD module se...

Страница 541: ...Index Index 541 Y yellow LED 48 51 yig filter see A12 YTF YTF see A12 YTF ...

Страница 542: ...This information is subject to change without notice Keysight Technologies 2015 2019 Edition 1 June 2019 N9040 90006 www keysight com ...

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