Anritsu 37 D Series Manual de usuario

P/N: 10410-00264

REVISION: C

PRINTED: JULY 2007

SERIES

37XXXD

VECTOR NETWORK ANALYZER

MAINTENANCE MANUAL

490 JARVIS DRIVE lMORGAN HILL, CA 95037-2809

WARRANTY

The Anritsu product(s) listed on the title page is (are) warranted against defects in materials and

workmanship for three years from the date of shipment.

Anritsu’s obligation covers repairing or replacing products which prove to be defective during the

warranty period. Buyers shall prepay transportation charges for equipment returned to Anritsu for

warranty repairs. Obligation is limited to the original purchaser. Anritsu is not liable for consequen-

tial damages. LIMITATION OF WARRANTY

The foregoing warranty does not apply to Anritsu connectors that have failed due to normal wear.

Also, the warranty does not apply to defects resulting from improper or inadequate maintenance by

the Buyer, unauthorized modification or misuse, or operation outside of the environmental specifica-

tions of the product.No other warranty is expressed or implied,and the remedies provided herein are

the Buyer’s sole and exclusive remedies.

TRADEMARK ACKNOWLEDGEMENTS

V Connector and K Connector are registered trademarks of Anritsu Company.

MS-DOS is a registered trademark of Microsoft Corporation.

Acrobat and Acrobat Reader are registered trademarks of Adobe Systems Incorporated.

NOTICE

Anritsu Company has prepared this manual for use by Anritsu Company personnel and customers as

a guide for the proper installation, operation and maintenance of Anritsu Company equipment and

computer programs.The drawings,specifications,and information contained herein are the property

of Anritsu Company, and any unauthorized use or disclosure of these drawings,specifications,and in-

formation is prohibited; they shall not be reproduced, copied, or used in whole or in part as the basis

for manufacture or sale of equipment or software programs without the prior written consent of

Anritsu Company. UPDATES

Updates to this manual, if any, may be downloaded from the Anritsu Internet site at:

http://www.us.anritsu.com

Table of Contents, Narrative

Chapter 1—General Service Information

This chapter provides a general description of Series 37XXXD Vector Network Analyzer systems, sys-

tem serial numbers, and frequency ranges. It explains the level of maintenance covered in this manual

and the service strategy used throughout this manual. It also contains static-sensitive component han-

dling precautions and a list of recommended test equipment.

Chapter 2—Replaceable Parts

Thischapterlistsall replaceable subassembliesandcomponentsfor all 37XXXDmodels.Itexplains the

Anritsu exchange assembly program and provides parts ordering information.

Chapter 3—Theory of Operation

This chapter provides descriptions of the functional operation of the major assemblies contained in Se-

ries37XXXD Vector NetworkAnalyzer systems.The operation ofall majorcircuit blocks is described so

thatthereadermaybetterunderstandthefunctionofeachassemblyaspartoftheoveralloperation.

Chapter 4—Operational Performance Tests

This chapter contains procedures that provide a means of fully testing the 37XXXD VNA system for

properoperationandsignal stability. These testsareintendedto be used asaperiodiccheck of the oper-

ational functionality of the 37XXXD.

Chapter 5—System Performance Verification

Thischapterprovides a detailedprocedurefor verifying thatthe37XXXD is capableof making accurate

S-parameter measurements.

Chapter 6—Adjustments

This chapter provides adjustment procedures for all models of Series 37XXXD Vector Network Ana-

lyzer systems. These procedures are used after replacement or repair of one or more critical subassem-

blies, or as indicated by the operational performance tests contained in Chapter 4.

Chapter 7—Troubleshooting

This chapter provides information for troubleshooting Series 37XXXD Vector Network Analyzer sys-

tems. The troubleshooting procedures contained in this chapter support fault isolation down to a re-

placeable subassembly.

Chapter 8—Removal and Replacement Procedures

This chapter describes how to gain access to all of the major assemblies and major parts for trouble-

shooting and/or replacement.

37XXXD MM i

Appendix A—Error Messages

Thisappendixcontainsa listing oftheErrorCodes/Messages. Also includedisadescription of theinfor-

mation fields that are part of the error messages.

Appendix B—Connector Care and Handling

This appendix contains procedures and information needed to perform maintenance checks (including

pin-depth measurements) for the connectors on all Anritsu supplied Calibration/Verification Kit com-

ponents, Through-cables, and other associated RF/microwave components.

Appendix C—Lightning 37000D Technical Data Sheet

This appendix contains a copy of the 37000D Series Vector Network Analyzers, Technical Data Sheet,

Anritsupartnumber11410-00350.Thisdatasheetprovidesperformancespecificationsforallmodelsin

the series.

Appendix D—ME7808B/C Broadband Measurement System Maintenance

This appendix provides maintenance and verification instructions for the ME7808B/C Broadband

Measurement System. This maintenance and verification is performed independently of any

wafer-probe station.

Subject Index

ii 37XXXD MM

Table of Contents, Narrative (Continued)

Table of Contents

Chapter 1 General Information

1-1 SCOPE OF MANUAL ·································1-3

1-2 INTRODUCTION ···································1-3

1-3 IDENTIFICATION NUMBER·····························1-3

1-4 ONLINE MANUAL ··································1-3

1-5 SYSTEM DESCRIPTION ·······························1-4

1-6 RELATED MANUALS·································1-4

1-7 STANDARD OPTIONS ································1-5

1-8 SERVICE STRATEGY·································1-5

Functional Assembly Level Troubleshooting...................1-5

Internal Hardware Adjustments and Calibrations................1-6

Internal Service Log................................1-6

System Test/Certification .............................1-7

Servicing Specially Modified Instruments ....................1-7

1-9 SERVICE SUPPORT ·································1-7

Technical Support .................................1-7

Service Software ..................................1-8

Verification Kits ..................................1-9

Failed Assembly Exchange Program .......................1-9

1-10 PERFORMANCE SPECIFICATIONS························1-10

1-11 SERVICE CENTERS·································1-10

1-12 STATIC SENSITIVE COMPONENT HANDLING PROCEDURES ········1-10

1-13 RECOMMENDED TEST EQUIPMENT ······················1-12

Chapter 2 Replaceable Parts

2-1 INTRODUCTION ···································2-3

2-2 EXCHANGE ASSEMBLY PROGRAM ························2-3

2-3 REPLACEABLE SUBASSEMBLIES AND PARTS ·················2-4

2-4 PARTS ORDERING INFORMATION ························2-4

37XXXD MM iii

Chapter 3 Theory of Operation

3-1 INTRODUCTION ···································3-3

3-2 SYSTEM OVERVIEW ·································3-3

3-3 ANALOG SUBSYSTEM ASSEMBLIES·······················3-10

Signal Source Module ..............................3-10

Test Set Module, 20 GHz and 40 GHz Instruments ..............3-11

Test Set Module, 50 GHz and 65 GHz Instruments ..............3-13

A7 PCB 10 MHz Timebase............................3-15

Receiver Module .................................3-16

A8, Source Lock/Signal Separation and Control PCB .............3-18

IF Section.....................................3-18

A7PCB,LO3...................................3-19

A5 A/D Converter PCB..............................3-19

3-4 DIGITAL SUBSYSTEM ASSEMBLIES·······················3-20

A9 Main Processor PCB Assembly .......................3-20

A13 I/O Interface #1 PCB Assembly.......................3-21

A14 I/O Interface #2 PCB Assembly.......................3-21

A15 Graphics Processor PCB Assembly.....................3-22

A16 Hard Disk PCB Assembly..........................3-22

Floppy Disk Drive Assembly...........................3-22

A24 VME Bus Terminator PCB .........................3-22

3-5 MAIN CHASSIS ASSEMBLIES ···························3-22

A17 System Motherboard Assembly.......................3-22

Front Panel Assembly ..............................3-23

A18 Rear Panel Interface PCB..........................3-23

Power Supply Module ..............................3-24

Chapter 4 Operational Performance Tests

4-1 INTRODUCTION ···································4-3

4-2 CHECKING THE SERVICE LOG ··························4-4

4-3 SELF TEST ······································4-5

4-4 PERFORMANCE TESTS ·······························4-6

Test Specifications .................................4-6

Required Equipment................................4-7

Additional Required Equipment .........................4-7

Installation and Launching the Test Program ..................4-7

Running the Tests .................................4-9

Description of Tests ................................4-9

iv 37XXXD MM

Table of Contents (Continued)

4-5 LOG MAGNITUDE DYNAMIC ACCURACY TEST ················4-15

Required Equipment ...............................4-15

Test Procedure ..................................4-16

Analysis of the Measurement ..........................4-18

Chapter 5 System Performance Verification

5-1 INTRODUCTION ···································5-3

5-2 CALIBRATION AND MEASUREMENT CONDITIONS ··············5-3

Standard Conditions................................5-3

Special Precautions ................................5-4

5-3 MEASUREMENT ACCURACY ····························5-4

Verification Software ...............................5-4

Verification Result Determination ........................5-5

5-4 VERIFICATION PROCEDURE····························5-6

5-5 VNA TRACEABILITY ·································5-7

Chapter 6 Adjustments

6-1 INTRODUCTION ···································6-3

6-2 LO1 CALIBRATION··································6-3

6-3 LO2 CALIBRATION··································6-5

6-4 FREQUENCY CALIBRATION ····························6-7

6-5 RF POWER/ALC CALIBRATION ··························6-10

6-6 SOURCE LOCK THRESHOLD ···························6-14

Chapter 7 Troubleshooting

7-1 INTRODUCTION ···································7-3

7-2 POWER-UP PROBLEMS ·······························7-3

7-3 HARD/FLOPPY DISK AND DISPLAY PROBLEMS·················7-5

Failure to Boot-up from the Hard Disk ......................7-5

Floppy Disk Drive Problems ...........................7-5

Display Problems .................................7-5

7-4 OTHER BOOT-UP PROBLEMS ···························7-6

7-5 UNDERSTANDING THE SERVICE LOG ······················7-7

7-6 DIAGNOSTIC DISPLAYS·······························7-8

37XXXD MM v

Table of Contents (Continued)

7-7 ERROR MESSAGES DURING MEASUREMENTS ·················7-9

Lock Failure D or DE (60xx) ...........................7-9

Other Lock Failures ................................7-9

7-8 MEASUREMENT ACCURACY PROBLEMS ····················7-11

All Data on All Channels is Greatly Inaccurate ................7-11

Excessive Ripple in the Display of Low-Loss Devices..............7-11

Insufficient System Dynamic Range ......................7-11

7-9 NON-RESPONSE OR OTHER UNUSUAL BEHAVIOR ··············7-11

Chapter 8 Removal and Replacement Procedures

8-1 INTRODUCTION ···································8-3

8-2 EQUIPMENT REQUIRED ······························8-3

8-3 COVERS ········································8-4

8-4 A1 TO A16 PCBS ···································8-6

A1 to A16 PCBs ..................................8-6

8-5 A24 VME BUS TERMINATOR PCB ·························8-8

8-6 FRONT PANEL ASSEMBLY ·····························8-9

8-7 LIQUID CRYSTAL DISPLAY (LCD) ························8-12

8-8 FLOPPY DISK DRIVE ································8-12

8-9 REAR PANEL ASSEMBLY ·····························8-13

8-10 FAN ASSEMBLY ···································8-15

8-11 POWER SUPPLY MODULE·····························8-16

8-12 A18 REAR PANEL PCB ·······························8-17

8-13 TEST SET MODULE ASSEMBLIES ························8-18

8-14 SIGNAL SOURCE MODULES ···························8-21

Removal of Signal Source Module ........................8-21

A21A2 Source Control PCB ...........................8-24

A21A1 Source YIG Bias Control PCB ......................8-24

Switched Filter Assembly ............................8-25

Down Converter Assembly............................8-25

YIG Oscillator Assembly.............................8-26

vi 37XXXD MM

Table of Contents (Continued)

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