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5-1

Keysight Tecnologies N5290/1A
PNA and PNA-X Series 2-Port and 4-Port Microwave Network Analyzer

Systems
Service Guide

5

Theory of Operation

Information in This Chapter

This chapter provides a general description of the operating theory of the

N5290/1A systems and the N5292A millimeter head controller Option 200 and

Option 400 Series 2-Port and 4-Port Microwave Network Analyzer Systems.

— Theory of operation is explained to the assembly level only.
— Component-level circuit theory is not provided.
— Simplified block diagrams are included for each functional group.
— More detailed block diagrams are located at the end of

“N5290/91A Troubleshooting.”

— See also

https://literature.cdn.keysight.com/litweb/pdf/5992-1465EN.pdf

IMPORTANT!

Before you begin any testing on a System or instrument,

always inspect the connectors on the instrument, the calibration kit,

cables and adapters.

For network analyzer theory of operation, see the testing Theory chapter in

the service guide for your PNA. Refer to

www.keysight.com

.

Some paragraphs of this chapter reference your analyzer’s DSP version. Click

Help > About

Network Analyzer

and note the DSP version shown.

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Summary of Contents for N5222B

Page 1: ... GHz Use this manual in conjunction with the following documents PNA Series Network Analyzer Embedded Help System Online at http na support keysight com pna PNA Series Network Analyzer Installation and Quick Start Guide Part Number E8356 90001 PNA Series Network Analyzer Service Guide For your PNA Online at http keysight com find pna ...

Page 2: ... 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 sweula 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 require or pe...

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Page 5: ...ired Conditions for Accuracy Enhanced Measurement 1 14 Space Requirements 1 15 N5290 1A System Weight and Dimensions 1 15 Component Weight and Dimensions 1 15 Site Preparation 1 17 Power Requirements 1 17 2 General Product Information Information in This Chapter 2 1 Chapter Two at a Glance 2 1 N5290 1A System Options Accessories and Upgrades Available 2 3 Required Service Test Equipment 2 3 Keysig...

Page 6: ... 3 44 Test Management Environment TME Performance Tests N5290 1 A Millimeter System Only 3 45 Guidelines for Ordering Power Sensor Calibration Service 3 45 Adjustments 3 47 LO Adjustment for mm Mode 3 49 IF Gain Adj for mm Mode 3 49 Source and Receiver Adj 3 49 Receiver Characterization 3 49 IF Response Adj for mm Mode 3 49 4 N5290 91A Troubleshooting Information in This Chapter 4 1 Chapter Four a...

Page 7: ... Information 6 4 Assembly Replacement Sequence 6 5 Replaceable Parts Listings 6 6 Front Panel Assembly Front Side All Options 6 9 Front Panel Assembly Back Side All Options 6 13 Top Assemblies and Cables All Options 6 18 Top Assemblies All Options 6 18 Top Cables All Cables All Options 6 19 Bottom Assemblies and Cables All Options by Option Set 6 21 N5292A 2 Port Configuration Option 200 6 21 N529...

Page 8: ... Panel 7 26 Removing and Replacing the Front Panel Power Switch Board 7 28 Removing and Replacing the Subpanel PCA Sensor Boards 7 29 Removing and Replacing the Front Panel Integrated Connectors Cables 7 31 Removing and Replacing the Fans 7 33 Post Repair Procedures 7 36 8 General Purpose Maintenance Procedures Information in This Chapter 8 2 Chapter Eight at a Glance 8 2 Maintenance 8 3 Physical ...

Page 9: ...Contents Keysight N5292A User s and Service Guide 5 Recovering from Solid State Drive Problems 8 8 Correction Constants 8 9 Storing Correction Constants 8 9 ...

Page 10: ...6 Keysight N5292A User s and Service Guide Contents ...

Page 11: ...k analyzer Electrostatic Discharge Protection on page 7 A discussion of electrostatic discharge ESD and related recommendations and requirements for ESD protection Also includes a table of ESD equipment part numbers Regulatory Information on page 9 Definitions of instrument markings Instructions for disposing of the analyzer s lithium battery N5292A Test Set Equipment Ratings on page 12 Describes ...

Page 12: ...ard It calls attention to a procedure that if not correctly performed or adhered to could result in damage to or destruction of the instrument Do not proceed beyond a caution note until the indicated conditions are fully understood and met Warning denotes a hazard It calls attention to a procedure which if not correctly performed or adhered to could result in injury or loss of life Do not proceed ...

Page 13: ...damage and serious injury Always use the three prong AC power cord supplied with this product Failure to ensure adequate grounding by not using this cord may cause product damage Use Keysight supplied power cord or one with same or better electrical rating This product has been designed and tested in accordance with accepted industry standards and has been supplied in a safe condition The document...

Page 14: ...as auto ranging line voltage input be sure the supply voltage is within the specified range and voltage fluctuations do not to exceed 10 percent of the nominal supply voltage Do not operate the analyzer with the outer cover removed for more than 30 minutes as this could cause the analyzer to overheat which could result in costly damage Ventilation Requirements When installing the product in a cabi...

Page 15: ...e detachable power cord is readily identifiable and is easily reached by the operator The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily id...

Page 16: ...siderations 1 Figure 1 1 Example of a Calibration Sticker on a PNA There are no replaceable fuses in the mains input or within the power supply assembly Keysight personnel after calibration is completed attach four calibration void if seal broken stickers to the PNA as shown in Figure 1 1 ...

Page 17: ...n handling components and assemblies or when making connections always wear a heel strap when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground yourself before you clean inspect or make a connection to a static sensitive device or test port You can for example grasp the grounded outer shell of the test port or cable...

Page 18: ...igure 1 2 ESD Protection Setup ESD Equipment Required for the Installation Description Keysight Part Number ESD grounding wrist strap 9300 1367 5 ft grounding cord for wrist strap 9300 0980 2 x 4 ft conductive table mat and 15 ft grounding wire 9300 0797 ESD heel strap for use with conductive floors 9300 1308 ...

Page 19: ...uipment are required to be separated from normal waste for disposal Reference WEEE Directive 2002 96 EC This symbol indicates that the power line switch is ON This symbol indicates that the power line switch is in the STANDBY position This symbol indicates that the power line switch is in the OFF position This symbol is used to identify a terminal which is internally connected to the product frame...

Page 20: ...SPR Pub 11 Group 1 Class A AS NZS CISPR 11 ICES NMB 001 This ISM device complies with Canadian ICES 001 Cet appareil ISM est conforme a la norme NMB 001 du Canada The RCM mark is a registered trademark of the Australian Communications and Media Authority Indicates the time period during which no hazardous or toxic substance elements are expected to leak or deteriorate during normal use Forty years...

Page 21: ... business environment Safety Complies with the essential requirements of the European Low Voltage Directive as well as current editions of the following standards dates and editions are cited in the Declaration of Conformity IEC EN 61010 1 Canada CSA C22 2 No 61010 1 USA UL std no 61010 1 Acoustic Statement European Machinery Directive To find a current Declaration of Conformity for a specific Key...

Page 22: ...latory Information N5292A Test Set Equipment Ratings 1 N5292A Test Set Equipment Ratings Table 1 1 N5292A Equipment Ratings Nominal voltage and or range 100 120 or 220 240 VAC Nominal frequency and or range 50 60 Hz Power in watts VA or current 210 W MAX ...

Page 23: ...be robust against the environmental stresses of storage transportation and end use those stresses include but are not limited to temperature humidity shock vibration altitude and power line conditions Test methods are aligned with IEC 60068 2 and levels are similar to MIL PRF 28800F Class 3 Table 1 2 N5290 1A Environmental Conditions Operating Environment Temperature Operation 0 C to 40 C 41 F to ...

Page 24: ...perature within the appropriate range as given in the table above Air conditioning capacity must be consistent with the BTU ratings given in Table 1 1 on page 12 and Table 1 2 on page 13 Required Conditions for Accuracy Enhanced Measurement Accuracy enhanced error corrected measurements require the ambient temperature of the N5290 1A to be maintained within 1 C of the ambient temperature at calibr...

Page 25: ...trength N5290 1A System Weight and Dimensions Component Weight and Dimensions Table 1 4 shows the maximum weight and dimensions of the N5290 1A system components Refer also to Table 1 5 on page 16 for test head module dimensions Table 1 4 N5290 1A System Weight and Dimensions Model Weight Required Benchtop Dimensions for the System Clearance Width Depth 2 Port 60 1 kg 132 lb 48 cm 19 in 178 cm 70 ...

Page 26: ...4 Port PNA X Option 425 37 kg 82 lb nominal 27 91 cm 11 0 in 48 29 cm 19 0 in 57 8 cm 22 7 in N5242B 4 Port PNA X Option 425 with Option 029 38 kg 84 lb nominal 27 91 cm 11 0 in 48 29 cm 19 0 in 57 8 cm 22 7 in N5247B 4 Port PNA X Option 425 49 kg 108 lb nominal 27 91 cm 11 0 in 48 29 cm 19 0 in 64 96 cm 25 6 in N5292A millimeter head controller Option 200 or Option 400 9 kg 20 lbs 8 83 cm 3 47 in...

Page 27: ...e power cables which provide a safety ground must be used with all instruments Air conditioning equipment or other motor operated equipment should not be placed on the same ac line that powers the system The table below lists the maximum VA ratings and BTU hour ratings for all instruments in the system This table can be used to determine both the electrical requirements and the air conditioning re...

Page 28: ...1 18 Keysight N5290 1A Service Guide Safety and Regulatory Information Site Preparation 1 ...

Page 29: ...ce STOP If you have a problem with your N5293A or N5295A millimeter wave head you must return it to the factory for repair Refer to Contacting Keysight on page 2 7 This service guide covers the N5292A millimeter wave test set controller For information on servicing your PNA vector network analyzer Refer to the service guide for your PNA here http www keysight com find pna Section Title Summary of ...

Page 30: ... Keysight Support Services and Assistance The Internet address URL for on line assistance Service and support options available Calibration options available Important information about shipping your analyzer to Keysight for service or repair page 2 6 Section Title Summary of Content Start Page ...

Page 31: ...is required for all analyzer models Critical Specifications Recommended Model or Part Number Alternate Model or Part Number Useb b P Performance tests A Adjustments T Troubleshooting V System verification Test Instruments and Software PNA 10 MHz to 26 5 GHz N5242B N5244 5 7B P A T V Power meter Accuracy 0 0068 dB N1913A 14A E4418A B c If an accurate measurement of the dynamic accuracy specificatio...

Page 32: ...6 inches long Z5623 K20 Equivalent or better P A T V GPIB cable 4 foot 10833B Equivalent or better P A T V Adapters 1 0 mm f to 10 mm f short thru Return Loss 14 dB 11920 60002d None P A T SMA m to SMA f elbow adapterse Return Loss 14 dB 1250 2818 Equivalent or better P A T V SMA m to SMA f thru adapters x8 f Return Loss 14 dB 1250 3851 Equivalent or better P A T V a Unless specified otherwise equ...

Page 33: ...ngs for semi rigid cables N A N A T R 5 16 inch 8 mm open end torque wrench 1 3 N m 10 lb in settings for semi rigid cables N A N A P A T R V Static Safety Parts Adjustable antistatic wrist strap N A 9300 1367 None P A T Antistatic wrist strap grounding cord 5 foot N A 9300 0980 None P A T Static control table mat and earth ground wire N A 9300 0797 None P A T a Unless specified otherwise equipmen...

Page 34: ...ptions are available to extend the warranty period to five years R1282A Return to Keysight Calibration Plan The analyzer is delivered with a one year calibration certificate Options are available to have Keysight Technologies provide three or five year calibration coverage perform the annual calibration two or four times Options for basic calibration or SO IEC 17025 or ANSI NCSL Z540 3 2006 standa...

Page 35: ...equested or of the failure and a description of any failed test and any error message Ship the analyzer using the original or comparable packaging and antistatic materials Shipping the analyzer in anything other than the original or comparable packaging and antistatic materials may result in non warranted damage Contact Keysight for instructions on where to ship your analyzer In any correspondence...

Page 36: ...ht N5290 1A Service Guide General Product Information Keysight Support Services and Assistance 2 Product Selection and Configuration Assistance Education and Training http www keysight com main contactInformation ...

Page 37: ...ur system The N5292A Functional Verification Procedure on page 3 16 should be performed whenever any active electronic part is replaced in the Test Set IMPORTANT Before you begin any testing on a System or instrument always inspect the connectors on the instrument the calibration kit cables and adapters STOP If you have a problem with your N5293A or N5295A millimeter wave head you must return it t...

Page 38: ...your analyzer test set The N5290 1A Millimeter Test System Preliminary Check on page 7 Performing the operator s check N5290 1A and N5292A test set Inspecting and checking your test cables Perform these checks before performing system verification Test Management Environment TME Performance Tests N5290 1 A Millimeter System Only a a These performance tests are included in the analyzer s firmware f...

Page 39: ...verification and calibration kit devices determine the limits of your operating environment conditions Open the calibration and verification kits and place all the devices on top of the foam inserts so they will reach room temperature As the device dimensions change with temperature their electrical characteristics change as well It is necessary to keep the environmental levels within the followin...

Page 40: ... can be useful when evaluating changes in system performance After completing a successful test process that accurately represents the system performance store the test result files in the directory D sysver results It may be necessary to create this directory if it does not already exist Create a new subdirectory when a new set of test results is stored Use the current date as the name for the su...

Page 41: ... 7 To reduce the chance of electrostatic discharge follow all of the recommendations outlined in Electrostatic Discharge Protection on page 1 7 for all of the procedures in this chapter To achieve the maximum system stability allow the analyzer to warm up for at least 90 minutes Cleaning connectors with alcohol shall only be done with the N5xxxB removed from the system and in a well ventilated are...

Page 42: ...nnections Do Align connectors carefully Do Not Apply bending force to connection Make preliminary connection contact lightly Over tighten preliminary connection Turn only the connector nut Twist or screw any connection Use a torque wrench for final connection Tighten past torque wrench break point a Cleaning connectors with alcohol shall only be done with the instruments power cord removed and in ...

Page 43: ...vice information for a standalone N5292A 200 2 port and N5292A 400 4 port controller Test Sets and for the N5290 1A Millimeter Test System These initial Inspection and Operator s Checks are found here N5290 1A Incoming Electrical Inspection on page 3 8 N5292A Functional Verification Procedure on page 3 16 N5290 1A Millimeter wave Test System Operator s Check on page 3 41 IMPORTANT Before you begin...

Page 44: ...4 5B and N5267B PNAs When connecting the 5292 20014 semirigid cable it is critical that the 2 4 mm end is connected to the PNA s REFn SOURCE OUT port and the SMA end is connected to the N5292A test set s LO Band connector Refer to Figure 3 2 on page 3 8 If the N5290 1A system is already installed and no changes have occurred to any of the instruments or cables refer to The Head Cable Checks on pag...

Page 45: ...ther test port s should be green no bias and on standby See also If the Head Check Fails on page 3 15 Running the Installation Calibration This installation calibration should be ran when you first install your system and whenever you make any changes to your system s configuration See also If the Head Check Fails on page 3 15 1 On the PNA verify your N5290 1A system is in the correct configuratio...

Page 46: ...A Broadband or N5291A Broadband highlighted Else press N5290A Broadband or N5291A Broadband Refer to Figure 3 3 on page 3 10 3 Press Installation Cal In the dialog box that opens connect a load and press Measure Refer to Figure 3 4 on page 3 10 Figure 3 3 Millimeter Configuration Window Figure 3 4 Millimeter Installation Cal Dialog Box For best results use a load that ex tends to 50 GHz ...

Page 47: ...onnect a calibration kit open for this step Refer to Figure 3 6 on page 3 11 Figure 3 6 Millimeter Installation Cal Dialog Box Open circuit Calibration Ongoing Finish 6 If prompted repeat steps 3 through 5 for all of the other ports requiring calibration The Head Cable Checks A faulty test port cable can cause a failure in the verification test The following checks are not required but are recomme...

Page 48: ...softkey Menu b Change scale R 1 trace 2 Press Instrument Trace Trace Setup Measure Receivers R2 2 OK Trace 1 and Trace 2 should display a green LED in the Trace softkey Menu c Change scale B2 2 trace 1 Press Response Scale Scale 0 1 Enter d Change scale R2 2 trace 2 Press Response Scale Scale 0 1 Enter e Narrow IF bandwidth Press Response Avg BW IF Bandwidth 100 Enter f Normalize the traces Press ...

Page 49: ...next step 5 Both traces should track each other and look relatively flat Refer to Figure 3 7 on page 3 13 Figure 3 7 Typical Cable Return Loss Response port 2 trace is displayed below 6 While observing the traces gently lift the cable at or near where the cable bends up and down a few times Traces should remain stable and free from any major spikes or holes 0 1 dB p p Refer to Figure 3 8 on page 3...

Page 50: ...trace spikes instability 7 Gently extend the head exercising care to not overextend and rotate side to side less than 90 degree making sure traces are relatively stable and still tracking each other Refer to Figure 3 10 on page 3 19 Figure 3 9 Gently extending the head and exercise carefully so as not to overextend 8 Repeat steps 1 through 7 as required for suspected faulty ports ...

Page 51: ... test set is OK the head should be repaired or replaced and is a return to factory repair For more on troubleshooting the millimeter heads refer to Procedure for identifying a faulty millimeter head on page 4 8 5 If the head s are OK but the PNA is suspected as the problem remove all cables from the PNA to the test set and run the PNA Operator s Check Refer to the https literature cdn keysight com...

Page 52: ...ication Software Launch Test on page 3 22 The instructions in this section and in generally assume a 4 Port N5292A If you are using a 2 Port N5292A omit Ports 3 and 4 Millimeter head heater DAC values and power supply Millimeter head recognition STOP This section assumes you have completed the N5290 1A Incoming Electrical Inspection and have isolated the problem to the N5292A test set If you are n...

Page 53: ...NA and Test Set Preparation on page 3 22 PNA Calibration Pna Cal and Loading the N5292A Test Set Functional Verification Software Launch Test on page 3 22 Accessories Used in the N5292A Test Set Operator s Check Equipment Type Part Number Calibration and Verification Tools 1 0 mm calibration kit 85059B ECal module N4691B Power supply load ET ET57265 LO Cal and RF Eterm ET ET57259 1a WBIF and LFE E...

Page 54: ...x5 as connector savers on the rear panel IF ports optional Use x3 for front panel wideband IF and LFE Eterms c N5240 60092 is the longer cable that is used on the PNA LO OUT to N5292A test set s LO IN rear panel IMPORTANT Ensure that N5292A test set is powered down before connecting the power supply fixture ET57265 to avoid damaging the N5292A test set or the power supply fixture ET57265 N5292A te...

Page 55: ...Keysight N5290 1A Service Guide 3 19 System Tests and Adjustments N5292A Functional Verification Procedure Figure 3 10 Power Supply fixture ET57265 N5292 60130 mm Head Heater DAC and TSMB verification ...

Page 56: ... N5292A Functional Verification Procedure 3 RF Fixture Test Set Port Cabling and TSMB Verification N5292 60128 See Figure 3 11 on page 3 20 Figure 3 11 S Parameters fixture N5292 60129 test set IF RF port paths from test set to test set mother board TSMB verification ...

Page 57: ...13 RF fixture N5292 60128 RF cables and TSMB verification ECal module N4691D N4692D N4693D or N4694D DC 300 kHz 10 MHz to 26 5 40 50 67 GHz depends on PNA used B model PNA PNA L PNA X capable of 26 5 GHz with Option 020 The required Test Set I 0 interface is included with all models The PNA PNA L or PNA X will be referred to as the PNA throughout this procedure Two RF flexible cables with 3 5 mm m...

Page 58: ...ables from PNA rear panel IF Out to Test set IF IN 3 Turn on the PNA and the Test Set 4 The PNA must be in Standard PNA mode To check the mode select Utility System Configure Millimeter Module Configuration The Millimeter Module Configuration window will be displayed Standard PNA should be the Selected Configuration If not click on Standard PNA in the list of Available Configuration s then click O...

Page 59: ...22 Else download the N592A Test Set Functional software directly to your PNA s E Test Set Tests drive folder To download the N5292A Test Set Verification application refer to http na support keysight com pna files N5292A_TESTS exe and to PNA Calibration Pna Cal and Loading the N5292A Test Set Functional Verification Software Launch Test on page 3 22 Figure 3 14 Test Set Verification Window Perform...

Page 60: ...run and verify all of the ports Refer to PNA Calibration Pna Cal and Loading the N5292A Test Set Functional Verification Software Launch Test on page 3 22 STOP This section assumes you have completed the PNA calibration If you have not ran the PNA calibration refer to PNA Calibration Pna Cal and Loading the N5292A Test Set Functional Verification Software Launch Test on page 3 22 STOP If you know ...

Page 61: ... Drive OR Run N5292A Launch Test software and click Insertion Loss Match 2 On the N5292A Connect LO Fixture N5292 60127 to port 1 3 Follow the prompts 4 Repeat steps 1 through 3 for the other ports by clicking LO Verify 5 Compare results to typical values shown in to Figure 3 15 on page 3 25 and Figure 3 15 on page 3 25 Figure 3 15 Typical LO maximum power without path corrections ...

Page 62: ...hat N5292A test set is powered down before connecting the power supply fixture ET57265 to avoid damaging the N5292A test set or the power supply fixture ET57265 N5292A test set is powered down and the ET is removed immediately after the testing is complete This section assumes you have already downloaded the Launch Test application to your PC If not refer to PNA Calibration Pna Cal and Loading the...

Page 63: ...edure Refer to Figure 3 14 on page 3 23 and to Figure 3 17 on page 3 27 1 Press Header Dac Voltage 2 On the N5292A Connect the power supply fixture N5292 60130 to desired port on the test set Refer to Figure 3 17 on page 3 27 3 Follow the screen prompts Figure 3 17 Power supply fixture N5292 60130 connected to N5292A front panel used to verify millimeter head DACs and power supplies ...

Page 64: ...ge 3 22 4 Press Head Detect 5 In the Head Detection window click on the port you want to verify 6 Using the screwdriver adjustment tool insert a test screw SV 081 80 009 into the test set connector hole right side of connector starting at the zero point no threads screwed in and follow the screen prompts LED Port 1 4 reference designators Port 1 DS28 Port 2 DS30 Port 3 DS29 Port 4 DS31 This sectio...

Page 65: ...Tests and Adjustments N5292A Functional Verification Procedure After port has been detected the screen will display Head Detected 7 When done remove the jack screw tool from the port 8 Repeat steps 5 through 7 for the other ports Else press Exit ...

Page 66: ...crewdriver Adjusting Front Panel Connector Screw to Adjust TSMB LEDs to Green Use test screw SV 081 80 009 and screwdriver cw to adjust front panel screw 2 to 5 turns from the zero point no threads screwed in In the application verify the voltages are detected i e Bias Detected is displayed Do not exceed 5 clockwise turns ...

Page 67: ...on using Launch Test application S parameter Testing Connect ECal module between ports 1 and 2 Using an ECal or calibration kit and Pna Cal button in the Launch Test application do a 2 port cal to verify cabling and PNA integrity 2 When 2 port calibration has been completed proceed to the test set insertion loss transmission measurements done after the N5290 91 A system calibration Refer to Figure...

Page 68: ... 3 Verify Test Set S Parameters Using the Launch Test application Fixtures that are used are shown in Figure 3 21 on page 3 34 along with a typical ET setup This will check for potential failures between the test set s adapters and port connectors all the way to the TSMB in the following cabling paths Low band path Transmission and Match REF IF path transmission and match TEST IF path transmission...

Page 69: ...en repaired the following tests are required Test set and N5290A 91 A system calibration Insertion Loss Match S parameters verify PNA Cal has been completed Refer to Figure 3 27 on page 3 38 through Figure 3 30 on page 3 39 LO Verify Run after Insertion Loss Match are verified IMPORTANT LO power verification is only required on the port that the connector or and cabling was replaced ...

Page 70: ...ight N5290 1A Service Guide System Tests and Adjustments N5292A Functional Verification Procedure 3 Figure 3 21 ECal Connected to Ports 1 and 2 for 2 port Calibration and Insertion Loss Transmission Measurements ...

Page 71: ...Keysight N5290 1A Service Guide 3 35 System Tests and Adjustments N5292A Functional Verification Procedure Figure 3 22 90 degree Adapters Connected Figure 3 23 Low Band ET ET57259 2 Connected ...

Page 72: ...A Service Guide System Tests and Adjustments N5292A Functional Verification Procedure 3 Figure 3 24 Low Band LFE Eterm Test Connections PNA port 1 left connected to ET Ref IF PNA port 2 right Connects to Test Set Ref IF out ...

Page 73: ...ctional Verification Procedure Figure 3 25 Low Band LFE Eterm Test Connections PNA port 1 connects to the ET LO Low Band PNA port 2 bottom connects to the Test Set NA Port Figure 3 26 Low Band LFE Eterm Test Connections Verifies 60 ohms with DVM from ground to center conductor ...

Page 74: ...3 38 Keysight N5290 1A Service Guide System Tests and Adjustments N5292A Functional Verification Procedure 3 Figure 3 27 Test IF Path Figure 3 28 REF IF Path ...

Page 75: ...Keysight N5290 1A Service Guide 3 39 System Tests and Adjustments N5292A Functional Verification Procedure Figure 3 29 RF Path Figure 3 30 Low Band Extension LFE Path ...

Page 76: ...L and ECal module Follow the prompts On the N5292A Test Set Connect the S Parameters fixture to the port under test Refer to Figure 3 21 on page 3 34 5 Using the Launch Test application Insertion Loss Match perform follow prompts and compare results to the typical plots shown in Figure 3 27 on page 3 38 through Figure 3 30 on page 3 39 Figure 3 31 N5292A Front Panel Integrated Port Connector When ...

Page 77: ...all installed attenuators calibration of the receivers frequency response of the receivers phase lock and leveling basic functional test of noise floor and trace noise Accessories Used in the Operator s Check For more refer to Required Service Test Equipment on page 2 3 STOP This section assumes you have completed the N5292A test set Operator s Check If you have not completed the N5292A test set O...

Page 78: ...ens are attached to ALL ports to run through the test without stopping Shorts and opens can be mixed on the test ports Additionally you can choose Pause on Failure Use unique log to create a log file for this Operator s Check 3 Click Begin 4 If shorts and opens are not connected to all ports you will be prompted to connect them as needed 5 The result of the operator s check will be shown as a PASS...

Page 79: ...Keysight N5290 1A Service Guide 3 43 System Tests and Adjustments N5290 1A Millimeter wave Test System Operator s Check Figure 3 32 Operator s Check Dialog Boxes ...

Page 80: ...rts and adapters Torque to specification Repeat the check 2 Run the adjustment tests and repeat the Operator s Check Refer Adjustments 3 If the check still fails suspect a faulty component Refer to Chapter 4 N5290 91A Troubleshooting to begin troubleshooting to determine the faulty component 4 Also refer to The N5290 1A Millimeter Test System Preliminary Check on page 3 7 ...

Page 81: ...pplication receive the correct calibration service 1 Order Option 1A7 when ordering new power sensors that will be used as working standards in N7800A TME calibrations 2 Order the Keysight Cal Measurement Uncertainty GB for power sensor recalibration 3 When ordering periodic calibration for instruments used as lab standards in the N7800A software we recommend using Keysight calibration uncertainti...

Page 82: ...he Recommended Lab Standards and Special Cal Options website 4 The Keysight Option H99 is a special option for the Roseville Service Center only which provides electronic calibration data available as a csv file in TME N7800A format for all power sensors used with the N7800A TME application N7800A TME is SSU calibration software used across Keysight SSU and by many self maintainers H99 must be req...

Page 83: ...2A after PCA cable or connector has been replaced If multiple adjustments are to be performed perform them in the order listed N5290 1A System Only Run these tests after the PNA heads or N5292A test set have been repaired and the system is ready for final testing LO Adjustment for mm Mode IF Gain Adj for mm Mode Source and Receiver Adj Receiver Characterization IF Response Adj for mm Mode ...

Page 84: ... N4011 21002 Cables x6 N5240 60092 3 5 mm m to 3 5 mm m Z5623A K20 GPIB cable 10833B Adapters Female short 1 0 mm any short from the 850598 calibration kit Female open 1 0 mm any open from the 850598 calibration kit Female to Male thru 1 0 mm from the 85059B calibration kit LO ET 1 00 mm f to 1 00 mm f short thru 11920 60002a SMA m to SMA f elbow adaptersb 1250 2818 SMA m to SMA f thru adapters x8...

Page 85: ...tment is used for the N5292A and for the N5290 1 A system Refer to LO Power Calibration Adjustment and Verification on page 3 24 IF Gain Adj for mm Mode Run test and follow the prompts Source and Receiver Adj Run test and follow the prompts Receiver Characterization Run test and follow the prompts IF Response Adj for mm Mode Run test and follow the prompts ...

Page 86: ...3 50 Keysight N5290 1A Service Guide System Tests and Adjustments Adjustments 3 ...

Page 87: ...sistance on page 2 6 If the N5290 1A or the N5292A Test Set is not operating properly use the following procedures to aid in isolating the problem Refer to the Troubleshooting Organization Flowchart on page 4 4 IMPORTANT Before you begin any testing on a System or instrument always inspect the connectors on the instrument the calibration kit cables and adapters STOP If you have isolated the faulty...

Page 88: ...g after the network analyzer interface is loaded Does the display color appear correct Do the front panel keys function properly Does the front panel USB connector function properly page 4 27 Rear panel REF IF or Test IF Problems associated with the rear panel interconnects The data found at these rear panel interconnects can be used to troubleshoot the CPU board page 4 28 Measurement System Verif...

Page 89: ...hen be able to determine where in the troubleshooting procedure to begin to locate the failed assembly Troubleshooting Organization Follow the flowgraph in Figure 4 1 on page 4 4 to help direct you to the correct section for troubleshooting the system STOP If you have a problem with your N5293A or N5295A millimeter wave head you must return it to the factory for repair Refer to Contacting Keysight...

Page 90: ...o Go to No DC Power for Millimeter wave Modules on page 4 8 Go to N5290 1A Millimeter Wave System Troubleshooting on page 4 5 Go to N5292A Test Controller Troubleshooting on page 4 6 and to No DC Power for Millimeter wave Modules on page 4 8 Go to No DC Power for Millimeter wave Modules on page 4 8 Go to N5292A Test Controller Troubleshooting on page 4 6 ...

Page 91: ...w keysight com find pna Procedure Separate the millimeter wave heads from the test set Remove all of the semirigid cables from the PNA to the test set STOP This chapter assumes you have performed the N5290 1A system checks in Chapter 3 System Tests and Adjustments and have isolated the N5292A test set as the problem instrument If you have not isolated the N5292A test set as the problem then go bac...

Page 92: ...amber b Remove the cover and connect the AC power cord No fans should be on Some DC LEDs should be on the test set mother board TSMB c Set the power switch to the on position LED is white Both internal power supply fans should be operational the front panel DC Power LED should be on If the DC Power LEDs are off measure the 3 35Ds VDC pin on F6 and the 3 35Ds VDC pin on J11 Refer to Verifying the A...

Page 93: ...er supply on page 4 17 e If the voltages on the power supply voltages are not correct i Turn off the power switch ii Then lift the TSMB iii If the DC Supply LEDs were on disconnect bias cables J60 J61 and amp cables J10 11 12 and 14 to the TSMB and re install the board iv If the indicator LEDs are on suspect the A3 LODA Verifying the A2 LOPA A3 LODA and A4 Phase Compensation Boards on page 4 22 f ...

Page 94: ...ge 3 19 PNA 10 MHz to 26 5 GHz minimum Millimeter wave head s Procedure for identifying a faulty millimeter head 1 Power down the test set and remove the top and bottom covers Refer to Chapter 7 and Removing the Outer Cover on page 7 8 2 Connect the suspect millimeter wave head to the test set 3 Power up the N5292A test set A photo sensor is mounted behind the integrated SV cable connector for eac...

Page 95: ...est Set Motherboard TSMB and to Verifying the A1 power supply on page 4 17 Verifying the A5 Test Set Motherboard TSMB This section describes the process for verifying that the TSMB is distributing the proper voltages and signals to the A1 power supply A2 LO preamplifier LOPA A3 LO distribution amplifier LODA A4 phase compensation PCA and to the front panel ports Overview of the TSMB Voltages and L...

Page 96: ... 4 Figure 4 2 TSMB LEDs and the status of the FPGAs When the magenta LED s is illuminated the FPGA s are not enabled i e verify 4 4V 6 4V and 9 2V TSMB FPGA fault detection LEDs illuminating magenta i e when the magenta LED is illuminated the FPGA has not been enabled need to verify 4 4V 6 4V and 9 2V ...

Page 97: ...roup 1 TP13 15 VF F1 TP14 15VF F8 TP16 5 2 VF F4 TP17 12 VF F2 TP18 7 VF F7 TP19 5 1 VD F5 TP20 3 3 VF F6 TP43 5 VF F4 TP57 7 VF F7 TP31 5V STBY F9 Spare Group 2 TP44 1 0V TP45 1 5V TP46 1 8 V TP47 1 8 PLL TP49 1 8 VF TP41 3 3 VF Group 3 TP15 9 0V TP29 6 0V TP30 4 5 VR TP56 1 25 VREF TP28 8 2 VR a All of the main test points TP are bordered in red b Some of the supplemental other test points are b...

Page 98: ...4 12 Keysight N5290 1A Service Guide N5290 91A Troubleshooting N5292A Test Controller Troubleshooting 4 Figure 4 3 Overview of TSMB and Test Point Locations ...

Page 99: ...Keysight N5290 1A Service Guide 4 13 N5290 91A Troubleshooting N5292A Test Controller Troubleshooting Figure 4 4 Group 1 Test Point Details including F1 F8 ...

Page 100: ...eysight N5290 1A Service Guide N5290 91A Troubleshooting N5292A Test Controller Troubleshooting 4 Figure 4 5 Test Set Head DC Volts e g is for port 3 i e Other ports Port 1 A Port 2 B and Port 4 D are similar ...

Page 101: ...Keysight N5290 1A Service Guide 4 15 N5290 91A Troubleshooting N5292A Test Controller Troubleshooting Figure 4 6 Group 2 Test Point Details ...

Page 102: ...as faulty was replaced proceed to step 7 3 If the fuses are OK inspect that the J3 J6 DC cables and J7 J11 head digital control cables are installed properly If not power down the test set and re seat the connectors Then power up the test set and recheck the operation of the head s and test set Refer to 7 4 If the fuses are OK verify the voltages at the corresponding port s TSMB connector pins J3 ...

Page 103: ... fixture voltages are OK proceed to N5292A Functional Verification Procedure on page 3 16 If the N5292A test set passes the Operation Check then reinstall the top and bottom covers Refer to Chapter 7 and Removing the Cover on page 7 8 Verifying the A1 power supply 1 Connect the power supply fixture to the suspect port and tighten finger tight 2 Power up the test set 3 Probe each of the J3 J6 power...

Page 104: ...2A Test Controller Troubleshooting 4 Figure 4 8 Using the Power Supply Fixture to Check the Test Set Motherboard TSMB J3 Port 1 J6 Port 4 Connector s DC Test Point Values Verifies the mm Heads Have the Correct Voltages i e J3 Port 1 is shown the other ports are similar ...

Page 105: ... fuses If necessary use the Spare fuse F9 Refer to Table 4 1 on page 4 11 and Figure 4 9 See also Figure 4 3 on page 4 12 If the fuse was faulty was replaced repeat steps 1 and 3 and if the power supply fixture voltages are OK proceed to N5292A Functional Verification Procedure on page 3 16 If the N5292A test set passes the Operation Check then reinstall the cover Refer to Chapter 7 and Removing t...

Page 106: ...supply cables are seated correctly Power down the test set and connect the power supply fixture ET57265 N5292 60130 Power up the test set and perform the voltage checks in Chapter 5 Theory of Operation And then refer to Millimeter mm Head Heater DAC and Power Supplies Check Heater Dac Voltage on page 3 26 8 If the power supply voltages are OK but the power supply fixture test points are incorrect ...

Page 107: ...ht N5290 1A Service Guide 4 21 N5290 91A Troubleshooting N5292A Test Controller Troubleshooting Figure 4 10 Test Set Head DC Volts e g is for port 3 i e Other ports Port 1 A Port 2 B and Port 4 D are similar ...

Page 108: ...uts Figure 4 12 Test Set Motherboard DC Test Point Values Verifying the A2 LOPA A3 LODA and A4 Phase Compensation Boards Refer to Figure 4 13 on page 4 23 for the following sections Verifying the A2 LOPA LO Preamplifier on page 4 23 Verifying the A3 LODA LO Distribution Amplifiers on page 4 24 Verifying the A4 Phase Compensation Board on page 4 25 ...

Page 109: ...4 behavior 1 Power down the test set and remove the outer cover Refer to Chapter 7 and Removing the Cover on page 7 8 2 Verify if the LOPA J61 the cable connector is seated correctly else power down and reconnect the J61 cable 3 Verify the LOPA port 1 thru port 4 4 port only LEDs are OK 4 Verify the power out one of the LOPA ports It should measure 0 dB out of either port If the power is not corre...

Page 110: ...mplifiers on page 4 24 Verifying the A3 LODA LO Distribution Amplifiers 1 If the LODA LED is red indicating no power unleveled green LED indicates LODA power is OK verify J60 connector is seated correctly Else power down the test set and reconnect the J60 cable Power up the test set and recheck the LEDs If the LEDs are OK after re seating the J60 connector then refer to N5292A Functional Verificat...

Page 111: ...emi rigid cable from suspect port J5 J6 J7 or J8 Connect a thru cable on the suspect port and verify the change in power level If power is now correct or better 1 dB increase in power The A4 phase board is faulty and should be replaced Refer to Figure 4 13 on page 4 23 Head Stability Check Use this check to verify the stability of a millimeter head A nominal change in power of 1 dB is expected whe...

Page 112: ...ll drift but should track each other and finally settle If traces do not track i e separate from each other greater than 0 1 dB pk pk or fail to settle and display power suck outs or spikes that are large This type of behavior indicates a bad head Figure 4 15 Head Stability Check System service calibrations source if gain etc are not typically done when a system is assembled Only an installation c...

Page 113: ... test set motherboard TSMB Refer to Figure 4 3 on page 4 12 Figure 4 13 on page 4 23 and Figure 4 14 on page 4 25 1 Swap millimeter wave heads 2 Inspect the ribbon cable connections from the LOPA LODA phase compensation boards to the TSMB If necessary re seat the connector s Refer to Figure 4 3 on page 4 12 Figure 4 13 on page 4 23 and Figure 4 14 on page 4 25 3 Start by measuring the power at A2 ...

Page 114: ... Removing and Replacing the Front Panel Integrated Connectors Cables on page 7 31 See also N5292A Front Panel Integrated Port Connector on page 3 40 Verify the blue wires supplying power to the integrated connectors are not damaged If damaged refer to Removing and Replacing the Front Panel and Subpanel Assemblies on page 7 10 and Removing and Replacing the Front Panel Integrated Connectors Cables ...

Page 115: ...Keysight N5290 1A Service Guide 4 29 N5290 91A Troubleshooting N5292A Test Controller Troubleshooting Test Set Diagrams and Graphics Figure 4 16 N5290A Option 201 205 System Level Block Diagram ...

Page 116: ...4 30 Keysight N5290 1A Service Guide N5290 91A Troubleshooting N5292A Test Controller Troubleshooting 4 Figure 4 17 N5290A Option 202 205 System Level Block Diagram ...

Page 117: ...Keysight N5290 1A Service Guide 4 31 N5290 91A Troubleshooting N5292A Test Controller Troubleshooting Figure 4 18 N5290A Option 401 System Block Level Diagram ...

Page 118: ...4 32 Keysight N5290 1A Service Guide N5290 91A Troubleshooting N5292A Test Controller Troubleshooting 4 Figure 4 19 N5290A Option 402 System Block Level Diagram ...

Page 119: ...cuit theory is not provided Simplified block diagrams are included for each functional group More detailed block diagrams are located at the end of Chapter 4 N5290 91A Troubleshooting See also https literature cdn keysight com litweb pdf 5992 1465EN pdf IMPORTANT Before you begin any testing on a System or instrument always inspect the connectors on the instrument the calibration kit cables and ad...

Page 120: ...y of Content Start Page Theory of Operation Overview LO Behavior with Low Frequency Extension LFE Operation 10 MHz to 19 GHz Operation DC Power Overview N5292A Test Set System Level Block Diagrams A summary of the theory of operation for the analyzer A summary of the operation of the major functional groups of the analyzer page 5 3 ...

Page 121: ...ler by way of a multi pin interface cable LO Behavior without LFE Low Frequency Extension The LO signal is sent directly to the mixers in the receiver group The incident signals are routed to the front panel test ports and then to the device under test DUT A portion of each incident signal is coupled off in the signal separation group and sent to the mixers in the receiver group as reference signa...

Page 122: ...ead for each port and switched into a series of frequency multipliers The signal received at the test port of the combiner either transmitted from another millimeter head or reflected from a device under test is routed to the RCVR connector via the combiner and coupled arm of the coupler This output goes to the RCVR IN connector on th e appropriate port of the PNA DC Power The power supply generat...

Page 123: ...uency coverage Power Supplies The power supply generates the following supply voltages 12V 9V 5 2V 5 1D 3 5D 7V and 15V 15V 9V 9V 6 2V 6 2V 4 2V 4 2V 3 3V Each filter has its own LC filter and fuse with socket for ease of replacement Figure 5 2 TSMB LEDs and the status of the FPGAs When the magenta LED s is illuminated the FPGA s are not enabled i e verify 4 4V 6 4V and 9 2V LO Distribution Amplif...

Page 124: ...5 6 Keysight N5290 1A Service Guide Theory of Operation Theory of Operation 5 System Level Block Diagrams Figure 5 3 N5290 91A Option 201 System Level Block Diagram N5222B with Option 205 ...

Page 125: ...Keysight N5290 1A Service Guide 5 7 Theory of Operation Theory of Operation Figure 5 4 N5290 91A Option 401 System Level Block Diagram N5242B with Option 425 ...

Page 126: ...5 8 Keysight N5290 1A Service Guide Theory of Operation Theory of Operation 5 Figure 5 5 N5290 91A Option 402 System Level Block Diagram N5242B with Option 425 and 029 ...

Page 127: ...Keysight N5290 1A Service Guide 5 9 Theory of Operation Theory of Operation Figure 5 6 N5290 91A Option 403 System Level Block Diagram N547B with Option 425 and 029 ...

Page 128: ...5 10 Keysight N5290 1A Service Guide Theory of Operation Theory of Operation 5 ...

Page 129: ...014 semirigid cable it is critical that the 2 4 mm end is connected to the PNA s REFn SOURCE OUT port and the SMA end is connected to the N5292A test set s LO Band connector Refer to Figure 6 1 on page 6 2 There are no replaceable parts in the N5293A or N5295A millimeter wave heads If there is a problem with your N5293A or N5295A return them to factory for repair Refer to Keysight Support Services...

Page 130: ...ral tables and illustrations to assist you in identifying the correct part for your analyzer contains ordering information for new assemblies and rebuilt exchange assemblies There are many other repair and calibration options available from the Keysight Technologies support organization These options cover a range of service agreements with varying response times Contact Keysight for additional in...

Page 131: ...ment Sequence The correct sequence for replacing a defective assembly page 6 5 Replaceable Parts Listings Tables that list the assemblies by reference designator with their associated part number and description Illustrations that indicate the location of each of the replaceable parts in your analyzer Assemblies front panel top bottom and rear panel Cables top and bottom Hardware top bottom intern...

Page 132: ...hnologies for instructions on where to send the order Refer to Contacting Keysight on page 2 7 To order a part that is not listed in the replaceable parts lists include the instrument model number and complete instrument serial number include the description and function of the part indicate the quantity required Contact Keysight Technologies for instructions on where to send the order Refer to Co...

Page 133: ...ifies the faulty assembly Step 2 Order a replacement assembly Refer to this chapter Step 3 Replace the faulty assembly and determine what adjustments are necessary Refer to Chapter 7 Repair and Replacement Procedures Step 4 Perform the necessary adjustments Refer to Chapter 3 System Tests and Adjustments Step 5 Perform the necessary performance tests Refer to Chapter 3 System Tests and Adjustments...

Page 134: ...95A millimeter wave head you must return it to the factory for repair Refer to Keysight Support Services and Assistance on page 2 6 For network analyzer replaceable parts see the Replaceable Parts chapter in the service guide for your PNA Refer to www keysight com Table 6 1 N5292A Part Number Listing by Reference Designator Reference Designator Description Location N A Front panel Front Panel Asse...

Page 135: ...292A 2 Port Configuration Option 200 on page 6 21 N5292A 4 Port Configuration Option 400 on page 6 26 Rear Panel Assembly All Options on page 6 32 Hardware Fan Assemblies All Options on page 6 33 Top Hardware and Miscellaneous Parts All Options on page 6 35 Bottom Hardware and Miscellaneous Parts All Options on page 6 36 Internal Hardware and Miscellaneous Parts All Options on page 6 40 External H...

Page 136: ...s Listings 6 Miscellaneous Continued USB Accessories on page 6 44 ESD Supplies on page 6 44 Rack Mount Kits and Handle Kits on page 6 44 Rack Mount Kits and Handle Kits on page 6 44 Rack Mount Kits and Handle Kits on page 6 44 Table 6 2 Part Number Listing by Type of Part ...

Page 137: ...0 x 12 flat head To attach front subpanel to chassis 5041 8425 2 Trim strip filler For analyzers without handles 1250 3805 16 SMA Adapters washers and nuts For subpanel N5292 80001 1 Font panel overlay 2 port Option 200 Not shown in Figure 6 2 on page 6 10 N5922 80002 Front panel overlay 4 port Option 400 N5292 00002 1 Front subpanel 4 port N5292 00007 Front subpanel 2 port Not shown in Figure 6 2...

Page 138: ...ht N5290 1A Service Guide Replaceable Parts Replaceable Parts Listings 6 Figure 6 2 Front Panel Assembly Front Side All Options Option 400 shown Option 200 is similar For Option 200 ignore Ports 3 and 4 assemblies ...

Page 139: ...e 6 11 Replaceable Parts Replaceable Parts Listings Figure 6 3 Front Panel Assembly Connect Front Panel to Chassis Option 400 shown Option 200 is similar Bottom View of N5292A Test Set 0511 1101 x4 2 port x8 4 port and 0515 1946 x5 ...

Page 140: ...6 12 Keysight N5290 1A Service Guide Replaceable Parts Replaceable Parts Listings 6 Figure 6 4 Front Panel Assembly Attach Gasket 8160 0660 Option 400 shown Option 200 is similar ...

Page 141: ...e data cable bundle port 1 Red Black data cable to J7 TSMB Cable data cable bundle port 1 Black power cable to J3 TSMB Cable data cable bundle port 1 Blue Test cable to J15 TSMB Cable data cable bundle port 1 Blue Reference cable to J18 TSMB Set Cable data cable bundle port 2 Red Black data cable to J8 TSMB Cable data cable bundle port 2 Black power cable to J4 TSMB Cable data cable bundle port 2 ...

Page 142: ...n Washer Pan HD Torx T10 M3 x 6mm LG SST 300 Passivated To attach to power switch to front panel Refer to Figure 6 5 on page 6 15 and Figure 6 9 on page 6 17 N5292 60003 1 Power switch cable Refer to Figure 6 8 on page 6 16 N5242 40014 1 Power switch keypad Refer to Figure 6 5 on page 6 15 and Figure 6 8 on page 6 16 N5240 63084 1 Power switch board PCA for Power button keypad Refer to Figure 6 5 ...

Page 143: ...le Parts Listings Figure 6 5 Front Panel Assembly Back Side All Options Option 400 shown Option 200 is similar For Option 200 ignore the ports 3 and 4 hardware Figure 6 6 Subpanel Assembly with Fail Safe Sensor PCAs N5291 63010 N5292 60002 0515 0365 x4 and 1400 0249 ...

Page 144: ...placeable Parts Listings 6 Figure 6 7 Subpanel Assembly with short and long cables respectively N5292 60019 x2 and N5292 60020 x2 For Option 200 ignore the ports 3 and 4 hardware Figure 6 8 Power Button and PCA Assembly N5242 40014 N5240 63084 and N5292 60003 ...

Page 145: ...Keysight N5290 1A Service Guide 6 17 Replaceable Parts Replaceable Parts Listings Figure 6 9 Front Panel with Power Button and PCA Assembly 0515 0430 x2 ...

Page 146: ...es and Cables All Options 6 Top Assemblies and Cables All Options Top Assemblies All Options Figure 6 10 N5292A Top Assemblies All Options Port 4 shown Port 2 is similar Reference Designator Part Number Qty Description A1 0950 0516 1 Power supply switching 210W Output ...

Page 147: ...l Options Top Cables All Cables All Options Reference Designator Typea a SR semirigid coaxial cable F Flexible coaxial cable nR n wires in ribbon flat cable nW wires in wire harness Part Number Qty Description W31 N5292 20004 1 Cable Assy RF RP LO to LOPA See Figure 6 10 on page 6 18 ...

Page 148: ...6 20 Keysight N5290 1A Service Guide Replaceable Parts Top Assemblies and Cables All Options 6 Figure 6 11 N5292A Top Cables All Cables All Options Port 4 shown Port 2 is similar ...

Page 149: ...semblies and Cables All Options by Option Set N5292A 2 Port Configuration Option 200 Bottom Assemblies 2 Port Option 200 Reference Designator Part Number Qty Description A2 5087 7388 1 LO Preamplifier LOPA A3 5087 7844 1 LO Distribution Amplifier LODA A4 N5291 63003 1 Phase Compensation PCA A5 N5291 63002 1 Motherboard ...

Page 150: ...6 22 Keysight N5290 1A Service Guide Replaceable Parts Bottom Assemblies and Cables All Options by Option Set 6 Figure 6 12 Bottom Assemblies 2 Port Configuration Option 200 A4 A3 LODA ...

Page 151: ...sy Gray coaxial 50 ohm SMB Female RA SMA Male 485 mm LG Port 2 Reference to J24 TSMB W21 6R N5292 60004 1 Cable Assy Phase Comp PCA to J54 Test Set Motherboard W22 16R N5292 60005 1 Cable Assy LODA to J60 Test Set Motherboard W23 10R N5292 60006 1 Cable Assy LOPA to J61 Test Set Motherboard W24 Unassigned W26 SR N5292 20005 2 Cable Assy RF J5 Phase Comp PCA to LODA W27 Cable Assy RF J6 Phase Comp ...

Page 152: ...SMB W43 F 1 Cable data cable bundle port 2 Blue Test cable to J20 TSMB W44 F 1 Cable data cable bundle port 2 Blue Reference cable to J23 TSMB W53 F P O N5292 60018 2 Cable data cable bundle port 1 Blue Spare for Test Reference TSMB W54 Cable data cable bundle port 2 Blue Spare for Test Reference TSMB a SR semirigid coaxial cable F Flexible coaxial cable nR n wires in ribbon flat cable nW wires in...

Page 153: ...Keysight N5290 1A Service Guide 6 25 Replaceable Parts Bottom Assemblies and Cables All Options by Option Set Figure 6 13 Bottom RF Cables 2 Port Configuration Option 200 ...

Page 154: ...ons by Option Set 6 N5292A 4 Port Configuration Option 400 Bottom Assemblies 4 Port Option 400 Reference Designator Part Number Qty Description A2 5087 7388 1 LO Preamplifier LOPA A3 5087 7844 1 LO Distribution Amplifier LODA A4 N5291 63003 1 Phase Compensation PCA A5 N5291 63002 1 Motherboard ...

Page 155: ...Keysight N5290 1A Service Guide 6 27 Replaceable Parts Bottom Assemblies and Cables All Options by Option Set Figure 6 14 N5292A Bottom Assemblies Standard 4 Port Configuration Option 400 A4 A3 LODA ...

Page 156: ...port 2 to J2 Phase Comp PCA W13 F 8121 2860 8 Cable Assy Gray coaxial 50 ohm SMB Female RA SMA Male 485 mm LG Port 3 Test to J29 TSMB W14 Cable Assy Gray coaxial 50 ohm SMB Female RA SMA Male 485 mm LG Port 3 Reference to J27 TSMB W15 Cable Assy Gray coaxial 50 ohm SMB Female RA SMA Male 485 mm LG Port 1 Reference to J19 TSMB W16 Cable Assy Gray coaxial 50 ohm SMB Female RA SMA Male 485 mm LG Port...

Page 157: ... TSMB W39 F 1 Cable data cable bundle port 1 Blue Test cable to J15 TSMB W40 F 1 Cable data cable bundle port 1 Blue Reference cable to J18 TSMB W41 14W P O N5292 60018 1 Cable data cable bundle port 2 Red Black data cable to J8 TSMB W42 18W 1 Cable data cable bundle port 2 Black power cable to J4 TSMB W43 F 1 Cable data cable bundle port 2 Blue Test cable to J20 TSMB W44 F 1 Cable data cable bund...

Page 158: ...eference TSMB W54 Cable data cable bundle port 2 Blue Spare for Test Reference TSMB W55 Cable data cable bundle port 3 Blue Spare for Test Reference TSMB W56 Cable data cable bundle port 4 Blue Spare for Test Reference TSMB a SR semirigid coaxial cable F Flexible coaxial cable nR n wires in ribbon flat cable nW wires in wire harness Reference Designator Typea Part Number Qty Description ...

Page 159: ...Keysight N5290 1A Service Guide 6 31 Replaceable Parts Bottom Assemblies and Cables All Options by Option Set Figure 6 15 N5292A Bottom RF Cables Option 400 ...

Page 160: ...x T10 M3X0 5 8mm LG SST 300 Passivated Foot rear carbon black and screw Refer to External Hardware and Miscellaneous Parts All Options on page 6 42 3050 2330 5 Washer Lock internal tooth 0 267 in ID 0 408 in OD 0 025 in THK Phosphor Bronze Au plated Install on motherboard connectors x5 2950 0414 5 Nut HEX Double Chamfer 1 4 36 THD 312 in HEX 094 in THK Brass Install on motherboard connectors x5 12...

Page 161: ...ns Fan Assemblies All Options Reference Designator Part Number Qty Description B1 W1312 60014 2 Fan assembly 3160 4411 2 Fan guard Position is indicated but parts now shown 0361 1892 16 Fan rivets Chassis Refer to Internal Hardware and Miscellaneous Parts All Options on page 6 40 ...

Page 162: ...6 34 Keysight N5290 1A Service Guide Replaceable Parts Fan Assemblies All Options 6 Figure 6 17 Fan Assemblies Bottom View All Options ...

Page 163: ...Options Figure 6 18 Top Hardware and Miscellaneous Parts Top View All Options Reference Designator Part Number Qty Description 0515 1715 6 Screw Machine W Crest Cup Con Washer Pan HD Torx T10 M3 x 0 5 40mm LG SST To attach A6 power supply to chassis 1400 1334 1 Cable clamp Secure fan wires to chassis near power supply semi rigid cable to deck x1 ...

Page 164: ... port s cable bundles power switch cable N5292 60003 to port 1 cable bundle 1400 1334 1 Cable clamp with adhesive backing 0515 0372 26 Machine screw M3 0 x 8 pan head To attach A2 LO preamp LOPA x4 A5 test set motherboard to deck assembly chassis x16 A4 LODA to deck x2 A3 Phase Compensation PCA to bracket x4 0515 0375 4 Machine screw M3 0 x 16 pan head To attach LODA to deck x4 1810 0118 6 Microwa...

Page 165: ...Keysight N5290 1A Service Guide 6 37 Replaceable Parts Bottom Hardware and Miscellaneous Parts All Options Figure 6 19 Bottom Hardware and Miscellaneous Parts ...

Page 166: ...6 38 Keysight N5290 1A Service Guide Replaceable Parts Bottom Hardware and Miscellaneous Parts All Options 6 Figure 6 20 Bottom Hardware and Miscellaneous Parts 2 port Only ...

Page 167: ...Keysight N5290 1A Service Guide 6 39 Replaceable Parts Bottom Hardware and Miscellaneous Parts All Options This page intentionally left blank ...

Page 168: ...ernal Hardware and Miscellaneous Parts All Options Reference Designator Part Number Qty Description N5292 00001 1 Deck assembly chassis N5292 00004 1 PCB bracket 0515 0372 7 Machine screw M3 0 x 8 pan head To attach PCB bracket to x4 and cable routing bracket to deck assembly x3 N5292 00008 1 Cable routing bracket ...

Page 169: ...Keysight N5290 1A Service Guide 6 41 Replaceable Parts Internal Hardware and Miscellaneous Parts All Options Figure 6 21 Internal Hardware and Miscellaneous Parts All Options ...

Page 170: ...ument cover 5041 7903 4 Rear foot 0515 1619 Machine screw M4 0 x 25 pan head To attach rear foot N5247 60030 2 Strap handle assembly Includes item 0515 0710 Machine screw T10 M5 0 x 18 flat head To attach strap handle 5041 7906 4 Bottom foot 5021 2840 4 Key lock for bottom foot Not shown Not shown 1600 1423 4 Lock link vertical Not shown 5064 3868 2 Front handle Not shown 5042 8425 2 Side trim for...

Page 171: ...ench 0 9 N m 8 in lb 8710 1764 Spanner wrench 08513 20014 Documentation Installation and Quick Start Guide for all N5290 1A mmWave Systems Cannot be ordered Part number is for reference only Must be printed from the Keysight Web site N5292 90002 Service Guide Not available in printed form Part number is for reference only Must be printed from the Keysight Web site N5292 90026 GPIB Cables GPIB Adap...

Page 172: ...9300 0980 Static control table mat and earth ground wire 9300 0797 ESD heel strap 9300 1308 Rack Mount Kits and Handle Kits Rack mount kit for N5292A test sets without handles Option 1CM ICM110A Option 1CM includes the following separately orderable items Rack mount kit rack mount flanges and hardware 5022 9650 Rack mount rail set E3663AC Rack mount kit for N5292A test sets with handles Option 1CP...

Page 173: ...ted to the PNA s REFn SOURCE OUT port and the SMA end is connected to the N5292A test set s LO Band connector Refer to Figure 6 1 on page 6 2 There are no replaceable parts in the N5293A or N5295A millimeter wave heads If there is a problem with your N5293A or N5295A return them to factory for repair Refer to Keysight Support Services and Assistance on page 2 6 For network analyzer replacement par...

Page 174: ...20009 Semi rigid cables part of N5290 1A 201 Interconnect Kit N5292 60012 or N5290 1A Option 401 or N5290 1A Option 402 Interconnect Kit N5292 60016 Cable Assy RF 2P Test Port 1 2 to Test Set SMA SMA N5292 20014 IMPORTANT One end of this cable is 2 4 mm that connects to the PNA the other end connects to the test set Figure 6 22 on page 6 44 Semi rigid cables part of N5290 1A Option 202 Interconnec...

Page 175: ...e 12 in LG N4011 21002 XT Cable Assembly 25 Way D Sub N5240 60092 Cable Assy RF SMA SMA 16 in 26 5 GHz Millimeter System Optional Parts N5290A301 Frequency extender bias tee adapter kit N5290A302 Frequency extender desktop positioner Millimeter Heads N5293AX03 N5293A 1 kHz to 110 GHz Millimeter head with 1 2 4 foot miter cable N5293AX53 N5293A 1 kHz to 110 GHz Millimeter head with 1 5 5 foot miter...

Page 176: ... 4 mm to 3 5 mm N5292A 224 and N5292A 424 2 4 mm 2 port test set VNA or 4 port test set with 2 port VNA N5292 60012 N5292A 222 and N5292A 422 3 5 mm 2 port test set VNA or 4 port test set with 2 port VNA N5292 60013 N5292A 224 and N5292A 424 2 4 mm 2 port test set VNA or 4 port test set with 2 port VNA N5292 60016 N5292A 442 3 5mm 4 port test set VNA N5292 60017 N5292A 444 2 4 mm 4 port test set V...

Page 177: ...ons especially wire harness connections The person performing the work accepts responsibility for the full cost of the repair or replacement of damaged components IMPORTANT For N5224 5B N5244 5B and N5267B PNAs When connecting the 5292 20014 semirigid cable it is critical that the 2 4 mm end is connected to the PNA s REFn SOURCE OUT port and the SMA end is connected to the N5292A test set s LO Ban...

Page 178: ...t Procedures The actual procedures for removing and replacing the major assemblies in your test set The procedures occur in assembly reference designator numerical order See Table 7 1 on page 7 5 for specific procedures Post Repair Procedures A table for the proper tests verifications and adjustments to perform on your test set after repair page 7 36 The N5292A contains extremely sensitive compone...

Page 179: ...t in personal injury The power cord is connected to internal capacitors that may remain live for 10 seconds after disconnecting the plug from its power supply assembly Wait at least 10 seconds after disconnecting the plug before removing the covers The power cord is connected to internal capacitors that may remain live for 5 seconds after disconnecting the plug from its power supply The detachable...

Page 180: ...atic discharge ESD Perform the following procedures only at a static safe workstation and wear a grounded wrist strap This is important If not properly protected against electrostatic discharge can seriously damage your test set resulting in costly repair To reduce the chance of electrostatic discharge follow all of the recommendations outlined in Electrostatic Discharge Protection on page 1 7 for...

Page 181: ...0 1A system page 7 8 Cover outer page 7 8 Front panel assembly page 7 10 Front panel and subpanel assemblies page 7 10 A1 Power supply page 7 24 A2 LO preamplifier page 7 14 A3 Phase compensation PCA page 7 14 A4 LODA page 7 14 A5 Test set motherboard page 7 20 Rear panel page 7 26 Front panel LED boards p o Front panel power switch board page 7 28 Front panel power switch board page 7 28 Front pa...

Page 182: ...set to 8 in lbs Figure 7 2 To avoid damaging your RF ports 1 2 3 4 always use two wrenches IMPORTANT The N52xxB interconnect kits contain 2 4 mm to 3 5 mm cables It is important to connect the 2 4 mm end to the PNA and to connect the 3 5 mm end to the N5292A test set controller Improper connections will result in damage to your instruments It is important to use two wrenches when disconnecting or ...

Page 183: ...nt Procedure 1 On the top side of the N5292A carefully position the grey flex cables so they can t be pinched between the covers and the rails 2 On the bottom side of the N5292A carefully fold or push down the ribbon cables and wires so they can t be pinched between the hardware and the outer cover Ribbon cables and wires must never be positioned on top of hardware 3 Reverse the order of the remov...

Page 184: ...m feet from the outer cover 4 Remove the four rear panel feet item by removing the center screws item with a T 20 TORX driver 5 Slide the outer cover item toward the rear of the test set and remove it Replacement Procedure 1 On the bottom side of the N5292A carefully fold or push down the ribbon cables and wires so they can t be pinched between the hardware and the outer cover Ribbon cables and wi...

Page 185: ...Keysight N5290 1A Service Guide 7 9 Repair and Replacement Procedures Removing the Cover Figure 7 3 Outer Cover Removal ...

Page 186: ...emove the 4 screws 2 Port and 5 screws 4 Port item from the front panel 6 With a T 20 TORX driver remove the 4 screws item from the sides of the front panel 7 Disconnect the power switch cable item from the power switch PCA 8 Slide the front panel over the test port connectors Subpanel Removal Procedure This procedure assumes you have already removed the front panel assembly Refer to Figure 7 4 on...

Page 187: ... sides of each of the integrated connectors 6 Carefully separate the subpanel from the integrated connectors by pressing each of the integrated connectors towards the chassis as you slide the subpanel off of the chassis deck assembly Replacement Procedure 1 Reverse the order of the removal procedure 2 Perform the post repair adjustments verifications and performance tests that pertain to this remo...

Page 188: ...7 12 Keysight N5290 1A Service Guide Repair and Replacement Procedures Removing and Replacing the Front Panel and Subpanel Assemblies 7 Figure 7 4 Front Panel Assembly Removal ...

Page 189: ...t N5290 1A Service Guide 7 13 Repair and Replacement Procedures Removing and Replacing the Front Panel and Subpanel Assemblies Figure 7 5 Subpanel Assembly Removal N5292 60002 N5292 60019 N5292 60020 8121 2860 ...

Page 190: ...DA boards only i Remove the semi rigid N5292 20002 cable item from A4 LODA board to A2 LOPA board ii Remove the semi rigid N5292 20003 cable item from the A4 LODA board to A2 LOPA board b A2 LOPA board only i Disconnect the LO OUT semi rigid cable N5292 20004 item from the LOPA board i e The other end of this cable is connected to the rear panel s LO OUT connector ii Disconnect the N5292 60006 rib...

Page 191: ...n cable from the LODA board i e the other end goes to the A5 test set motherboard ii Remove the 0515 0372 x2 screws item and the 0515 0375 x4 screws item iii Remove the A4 LODA board Replacement Procedure 1 Reverse the order of the removal procedure Be sure to orient these cables the same as they were on the old board 2 Perform the post repair adjustments verifications and performance tests that p...

Page 192: ... Guide Repair and Replacement Procedures Removing and Replacing the A2 A4 Boards 7 Figure 7 7 Remove the A2 LO Preamplifier Board Figure 7 8 Remove the Semi rigid Cables N5292 20005 from the A3 Phase Compensation and A4 LODA Boards ...

Page 193: ... Replacement Procedures Removing and Replacing the A2 A4 Boards Figure 7 9 Remove the Short and Long Cables From the A3 Phase Compensation Board N5292 60019 and N5292 60020 Figure 7 10 Remove the 0515 0372 Screws From the A3 Phase Compensation Board ...

Page 194: ...7 18 Keysight N5290 1A Service Guide Repair and Replacement Procedures Removing and Replacing the A2 A4 Boards 7 Figure 7 11 Remove the 0515 0372 Screws From the A4 LODA Board ...

Page 195: ...Keysight N5290 1A Service Guide 7 19 Repair and Replacement Procedures Removing and Replacing the A2 A4 Boards This page intentionally left blank ...

Page 196: ...er set to 21 in lb ESD grounding wrist strap Removal Procedure Refer to Figure 7 12 on page 7 21 Figure 7 13 on page 7 22 and Figure 7 14 on page 7 23 1 Disconnect the power cord 2 Remove the outer cover Refer to Removing the Cover on page 7 8 3 Remove the rear panel Refer to Removing and Replacing the Rear Panel on page 7 26 4 Remove the screws 0515 0372 x16 i e older units have x15 screws 5 Remo...

Page 197: ...e tests that pertain to this removal procedure Refer to Table 7 2 on page 7 36 IMPORTANT On the test set motherboard TSMB before reinstalling the TSMB ensure that the DIP switches are set as shown in Figure 7 12 on page 7 21 Scan or note the test set motherboard serial number Before you power up the N5292A enter the N5292A Option 200 400 and the TSMB serial number using software This TSMB serial n...

Page 198: ...7 22 Keysight N5290 1A Service Guide Repair and Replacement Procedures Removing and Replacing the A5 Test Set Motherboard 7 Figure 7 13 A5 Test Set Motherboard Removal ...

Page 199: ...Keysight N5290 1A Service Guide 7 23 Repair and Replacement Procedures Removing and Replacing the A5 Test Set Motherboard Figure 7 14 A5 Test Set Motherboard Removal J11 Location ...

Page 200: ...connect the power cord 2 Remove the outer and inner covers Refer to Removing the Cover on page 7 8 3 Using a T 10 TORX remove the six pan head screws item from the power supply 4 Using a T 20 TORX remove the pan head screw as indicated item from the test set rear panel 5 Lift the A6 power supply assembly from the top of the instrument Replacement Procedure 1 Reverse the order of the removal proced...

Page 201: ...Keysight N5290 1A Service Guide 7 25 Repair and Replacement Procedures Removing and Replacing the A1 Power Supply Assembly Figure 7 15 A1 Power Supply Assembly Removal ...

Page 202: ...oving the outer cover includes removing the 4 screws item that attach the rear feet to the chassis and the 4 bottom feet item 3 If installed remove all flex cables from the rear panel item 4 If installed remove the protective ESD caps from the connectors not shown 5 Remove the connector hardware item and from the TEST SET I O connector 6 Remove the connector hardware item and from each of the RF c...

Page 203: ...Keysight N5290 1A Service Guide 7 27 Repair and Replacement Procedures Removing and Replacing the Rear Panel Figure 7 16 Rear Panel Removal ...

Page 204: ...Options on page 6 9 and Front Panel Assembly Back Side All Options on page 6 13 4 Disconnect the power switch cable from the power switch board Refer to Figure 6 8 on page 6 16 and to Figure 6 9 on page 6 17 5 Remove the two screws from the power switch board and remove the LED board from the test set For the location of the screws see Figure 6 8 on page 6 16 6 Remove the power switch board from t...

Page 205: ... on page 6 17 5 Remove the front panel and set aside test set For the location of the screws see Figure 6 8 on page 6 16 6 Subpanel Remove the cables for the port s that require the port sensor PCA to be replaced by referring to Removing and Replacing the Front Panel and Subpanel Assemblies on page 7 10 See also Front Panel Assembly Front Side All Options on page 6 9 and Front Panel Assembly Back ...

Page 206: ... Keysight N5290 1A Service Guide Repair and Replacement Procedures Removing and Replacing the Subpanel PCA Sensor Boards 7 Figure 7 17 Subpanel Assembly Removal N5292 60002 N5292 60019 N5292 60020 8121 2860 ...

Page 207: ...set aside test set For the location of the screws see Figure 6 8 on page 6 16 6 Subpanel Remove the front cables for the port s that are connected to the port s integrated connector cable assembly to be replaced by referring to Removing and Replacing the Front Panel and Subpanel Assemblies on page 7 10 See also Front Panel Assembly Front Side All Options on page 6 9 and Front Panel Assembly Back S...

Page 208: ...ving and Replacing the Front Panel Integrated Connectors Cables 7 Replacement Procedure 1 Reverse the order of the removal procedure 2 Perform the post repair adjustments verifications and performance tests that pertain to this removal procedure Refer to Table 7 2 on page 7 36 ...

Page 209: ...nel Assemblies on page 7 10 4 N5292A Top Side Disconnect the fan wires x2 from the power supply It is not necessary to remove the entire power supply Refer to Removing and Replacing the A1 Power Supply Assembly on page 7 24 5 N5292A Bottom Side Using a flat head screw driver remove rivets x8 item on both sides that attach the fans to the chassis 6 Remove the fans from the test set 7 To remove a fa...

Page 210: ...nt Procedures Removing and Replacing the Fans 7 Replacement Procedure 1 Reverse the order of the removal procedure 2 Perform the post repair adjustments verifications and performance tests that pertain to this removal procedure Refer to Table 7 2 on page 7 36 ...

Page 211: ...Keysight N5290 1A Service Guide 7 35 Repair and Replacement Procedures Removing and Replacing the Fans Figure 7 18 B1 Fan Removal ...

Page 212: ...trument does not present an electric shock hazard IMPORTANT Before you begin any testing on a System or instrument always inspect the connectors on the instrument the calibration kit cables and adapters Keysight personnel see Figure 1 1 on page 1 6 to review where the calibration stickers should be placed on the N5292A Table 7 2 Related Service Procedures Replaced Assembly Adjustments and Other Pr...

Page 213: ... on page 3 16 and if it passes run the N If the N5290 1A Operator s Check Fails on page 3 44 and Test Management Environment TME Performance Tests N5290 1 A Millimeter System Only on page 3 45 RF path cables No adjustment needed Eterm B1 fan No adjustment needed Check for fan operation N5290 1A System Reconnect the N5292A test set and millimeter wave heads Run the N5290 1A Operations Check and the...

Page 214: ...7 38 Keysight N5290 1A Service Guide Repair and Replacement Procedures Post Repair Procedures 7 ...

Page 215: ...4 mm IMPORTANT For N5224 5B N5244 5B and N5267B PNAs When connecting the 5292 20014 semirigid cable it is critical that the 2 4 mm end is connected to the PNA s REFn SOURCE OUT port and the SMA end is connected to the N5292A test set s LO Band connector Refer to Figure 8 1 on page 8 1 IMPORTANT Before you begin any testing on a System or instrument always inspect the connectors on the instrument t...

Page 216: ...ce and troubleshooting tool network analyzer only Keysight License Manager on page 8 4 How to use the option enable utility to enable options that have been added to your analyzer repair lost or damaged option data install or change a serial number Firmware Upgrades on page 8 7 How to check your analyzer s current firmware revision and where to locate firmware upgrades Operating System Recovery on...

Page 217: ...case parts Do not attempt to clean internally To prevent electrical shock disconnect the Keysight Technologies Model N5292A from mains before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally This is a Safety Class 1 Product provided with a protective earth ground incorporated in the power cord The mains plug shall only...

Page 218: ...ftware Entitlement Certificate If you have received an Software Entitlement Certificate follow the instructions on the certificate under HOW TO USE THIS CERTIFICATE to obtain license key file s for the option s listed on the certificate See the important note below When upgrading from one model number to another a new software entitlement certificate will be issued When the new certificate is rede...

Page 219: ...option 1 Start the Keysight Software Manager Refer to Accessing the Keysight License Manager on page 8 4 2 In the Keysight License Manager window that opens in the left hand column press local host Local Licenses A list of available options similar to the list below will appear Refer to Figure 8 2 on page 8 4 S93015A Dynamic uncertainty for S parameters S93025A Basic pulsed RF measurements 029 Noi...

Page 220: ... option data refer to Keysight License Manager help on your instrument Installing or Changing a Serial Number It is necessary to reinstall the system serial number if the test set mother board is replaced To change an incorrect serial number it is necessary for your instrument to be connected directly to the LAN and to a Keysight IP network Refer to Contacting Keysight on page 2 7 ...

Page 221: ...e Internet If your network analyzer is connected to the Internet there are two methods available for checking the availability of and downloading new firmware Download directly from http na support keysight com pna upgrades html Select your analyzer s model number in this web site to view available upgrades Press UTILITY then then AgileUpdate compares the firmware revision currently installed in y...

Page 222: ...lem go to the Hard Drive Recovery link on the Keysight PNA Series Service Support Home Page on the Internet The URL for the Keysight PNA Series Service Support Home Page is http na support keysight com pna The URL for the Hard Drive Recovery page is http na support keysight com pna hdrecovery html For information on network analyzer operating system recovery refer to the Service Guide for your PNA...

Page 223: ... Constants After performing any adjustment listed on page 3 47 in this manual store the correction constants to a backup file on the analyzer solid state drive by performing these steps Navigate to the EEPROM Backup Utility located at C Program Files x86 Keysight Network Analyzer Service eebackup exe Run the program Click Backup EEPROM Click Backup TSMB Mem Click Exit when the program has finished...

Page 224: ...8 10 Keysight N5290 1A Service Guide General Purpose Maintenance Procedures Correction Constants 8 ...

Page 225: ...Installation Note Xxxxx xxxxx 3 ...

Page 226: ...This information is subject to change without notice Keysight Technologies 2011 2020 Edition 1 March 2020 N5292 90026 www keysight com ...

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