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Agilent Technologies 4352B, Service Manual

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Agilent Technologies 4352B Service Manual Download Page 15

5.

P

ower

Supply

Troubleshooting

INTRODUCTION

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5-1

ST

ART

HERE

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5-2

1.

Check

Error

Messages

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5-2

2.

Check

the

F

an

is

Rotating

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5-2

3.

Check

the

A50

SHUTDOWN

LED

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5-2

A50

Shutdown

LED

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5-3

4.

Check

the

A1

+5

VD

LED

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5-4

Measure

the

A1

+5

VD

V

oltage

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5-4

5.

Check

the

A2

Seven

LEDs

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5-4

6.

Run

the

Internal

T

est

4:

A2

POST

REGULA

TOR

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5-5

Internal

T

est

4:

A2

POST

REGULA

TOR

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5-6

FIND

OUT

WHY

THE

F

AN

IS

NOT

ROT

A

TING

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5-7

1.

Check

the

Line

V

oltage

,

Selector

Switch

Setting,

and

Fuse

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5-7

2.

Check

the

A50

SHUTDOWN

LED

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5-7

FIND

OUT

WHY

THE

A50

SHUTDOWN

LED

IS

OFF

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5-8

1.

Disconnect

the

Cable

from

the

A50J3

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5-8

2.

Disconnect

the

Cable

from

the

A1J10

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5-8

3.

Remove

Assemblies

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5-8

FIND

OUT

WHY

THE

A1

+5

VD

LED

IS

NOT

ON

STEADIL

Y

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5-9

1.

Check

the

A40

Pre-Regulator

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5-9

2.

Check

the

A50

DC-DC

Converter

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5-9

3.

Disconnect

Cables

on

the

A1

CPU

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5-10

4.

Remove

Assemblies

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5-10

TROUBLESHOOT

THE

F

AN

AND

THE

A50

DC-DC

CONVERTER

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5-12

1.

Troubleshoot

the

F

an

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5-12

2.

Troubleshoot

the

A50

DC-DC

Converter

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5-13

TROUBLESHOOT

A2

POST-REGULA

TOR

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5-15

1.

Measure

A2

P

ost

Regulator

Output

V

oltages

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5-15

6.

Digital

Control

Troubleshooting

INTRODUCTION

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6-1

A1

CPU

Replacement

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6-3

FIRMW

ARE

INST

ALLA

TION

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6-4

Ordering

the

Firmware

Diskette

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6-4

ST

ART

HERE

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6-5

1.

Check

the

P

ower

On

Sequence

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6-5

Check

the

A1

Eight

LEDs

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6-5

Check

Error

Messages

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6-6

2.

Check

the

A1

CPU

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6-6

3.

Check

the

A1

DRAM

and

Flash

Memory

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6-7

4.

Check

the

A1

V

olatile

Memory

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6-8

5.

Check

the

A30

Front

Keyboard

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6-8

6.

Check

the

A53

FDD

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6-8

7.

Check

the

A32

I-B

ASIC

Interface

and

the

mini-DIN

Keyboard

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6-9

8.

Check

the

A17

24

bit

I/O

P

ort

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6-9

TROUBLESHOOT

THE

A51

GSP

and

A52

LCD

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6-10

1.

Run

the

Internal

T

est

3:

A51

GSP

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6-10

2.

Check

the

A52

LCD(Liquid

Crystal

Display)

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6-10

Contents-4

Summary of Contents for 4352B

Page 1: ... Manual We ve added this manual to the Agilent website in an effort to help you support your product This manual provides the best information we could find It may be incomplete or contain dated information and the scan quality may not be ideal If we find a better copy in the future we will add it to the Agilent website Support for Your Product Agilent no longer sells or supports this product You ...

Page 2: ...RS This manual applies directly to instruments with serial number pre x JP1KE00196 or above For additional important information about serial numbers read Serial Number in Appendix A of this Manual Agilent Part No 04352 90141 Printed in JAPAN June 2000 Second Edition ...

Page 3: ...served No part of this document may be photocopied reproduced or translated to another language without the prior written consent of the Agilent Technologies Agilent Technologies Japan Ltd Component Test PGU Kobe 1 3 2 Murotani Nishi ku Kobe shi Hyogo 651 2241 Japan MS DOS R is a U S registered trademark of Microsoft Corporation c Copyright Agilent Technologies Japan LTD 1997 2000 ...

Page 4: ...Printing History December 1997 First Edition part number 04352 90141 June 2000 Second Edition part number 04352 90141 iii ...

Page 5: ...ive Circuits Operating personnel must not remove instrument covers Component replacement and internal adjustments must be made by quali ed maintenance personnel Do not replace components with the power cable connected Under certain conditions dangerous voltages may exist even with the power cable removed To avoid injuries always disconnect power and discharge circuits before touching them DO NOT S...

Page 6: ...ies when a name or a variable must be typed in place of the words in italics For example copy lename means to type the word copy to type a space and then to type the name of a le such as file1 Computer Computer font is used for on screen prompts and messages 4HARDKEYS5 Labeled keys on the instrument front panel are enclosed in 4 5 NNNNNNNNNNNNNNNNNNNNNNNNNN SOFTKEYS Softkeys located to the right o...

Page 7: ...vice facility designated by Agilent Technologies Buyer shall prepay shipping charges to Agilent Technologies and Agilent Technologies shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to Agilent Technologies from another country Agilent Technologies warrants that its software and rmware designated by Agilen...

Page 8: ... incidental or consequential damages whether based on contract tort or any other legal theory Assistance Product maintenance agreements and other customer assistance agreements are available for Agilent Technologies products For any assistance contact your nearest Agilent Technologies Sales and Service O ce Addresses are provided at the back of this manual vii ...

Page 9: ...d It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in injury or death to personnel This Caution sign denotes a hazard It calls attention to a procedure practice condition or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product This Note sign denotes ...

Page 10: ...PIB Also contains information on the usage of all GPIB commands the status report mechanism and the data transmission format Manual Supplement for HP Instrument BASIC User s Handbook Describes how HP Instrument BASIC works with the analyzer HP Instrument BASIC User s Handbook Explains the usage of HP Instrument BASIC including general programming examples and hints Also explains all HP Instrument ...

Page 11: ......

Page 12: ...2 3 RF POWER MEASUREMENT ACCURACY TEST 2 5 Description 2 5 Speci cation 2 5 Test Equipment 2 5 Procedure 2 5 C N RATIO MEASUREMENT PHASE NOISE TEST 2 11 Description 2 11 Speci cation 2 11 Test Equipment 2 11 Procedure 2 11 C N MEASUREMENT FLATNESS ACCURACY TEST 2 13 Description 2 13 Speci cation 2 13 Test Equipment 2 13 Procedure 2 13 C N RATIO MEASUREMENT LINEARITY ACCURACY TEST 2 16 Description ...

Page 13: ...cy Measurement Test 2 38 Power Measurement Accuracy Test 2 38 C N Phase Noise Test 2 38 C N Measurement Accuracy Test Flatness 2 39 C N Measurement Accuracy Test Linearity 2 39 FM Deviation Test 2 39 Spectrum Measurement Relative Level Accuracy Test 2 40 Frequency Transient Frequency Accuracy Test 2 40 DC POWER Voltage Test 2 40 DC CONTROL Voltage Test 2 41 MOD OUT Voltage Test 2 41 DC POWER Curre...

Page 14: ...ION CONSTANTS 3 19 Test Equipment 3 19 Procedure 3 19 RF POWER LINEARITY CORRECTION CONSTANTS 3 20 Required Equipment 3 20 Procedure 3 20 RF POWER FLATNESS CORRECTION CONSTANTS 3 22 Required Equipment 3 22 Procedure 3 22 SPECTRUM MEASUREMENT CORRECTION CONSTANTS 3 23 Required Equipment 3 23 Procedure 3 23 4 Overall Troubleshooting INTRODUCTION 4 1 TROUBLESHOOTING SUMMARY 4 1 START HERE 4 3 INSPECT...

Page 15: ...the A50 DC DC Converter 5 9 3 Disconnect Cables on the A1 CPU 5 10 4 Remove Assemblies 5 10 TROUBLESHOOT THE FAN AND THE A50 DC DC CONVERTER 5 12 1 Troubleshoot the Fan 5 12 2 Troubleshoot the A50 DC DC Converter 5 13 TROUBLESHOOT A2 POST REGULATOR 5 15 1 Measure A2 Post Regulator Output Voltages 5 15 6 Digital Control Troubleshooting INTRODUCTION 6 1 A1 CPU Replacement 6 3 FIRMWARE INSTALLATION 6...

Page 16: ...NNNNNNNNNNNN TESTS 9 3 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE INSTRUMENT 9 3 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MODES DIAG SERV MODE OFF ON 0 1 9 3 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FIRMWARE REVISION DIAG FREV 9 4 TESTS MENU 9 5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EXECUTE TEST DIAG TEST EXEC 9 5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 17: ... SERV BUS DC numeric 9 13 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FREQ BUS OFF DIAG SERV BUS FREQ numeric 9 14 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN WAIT COUNT DIAG SERV BUS WAIT numeric 9 14 Bus Measurement 9 14 Bus Measurement Procedure 9 14 Bus Measurement Values 9 15 DC Bus Node Descriptions 9 15 0 NONE 9 15 1 A2 5 V AUX 2 025 U 9 15 2 A2 015 V 01 92 U 9 15 3 A2 012 6 V 02 124 U 9 15 4 A2 05 V...

Page 18: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POW LIN ON off 9 20 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POW TEMP ON off 9 20 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POW FRESP ON off 9 20 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NOISE ATTN ON off 9 20 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SPEC WIDE ON off 9 20 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SPE...

Page 19: ...NCTIONAL GROUPS 10 1 POWER SUPPLY OPERATION 10 2 Line Power Module 10 4 A40 Preregulator 10 4 A50 DC DC Converter 10 4 Switching Regulator 1 10 4 Switching Regulator 2 10 4 Regulated 5V Digital Supply 5 VD 10 4 A50 Shutdown LED 10 4 A2 Post Regulator 10 5 Shutdown Circuit 10 5 Seven Status LEDs 10 5 A8 RF Attenuator Drive Circuit 10 6 DIGITAL CONTROL OPERATION 10 7 A1 CPU 10 9 A17 24 Bit I O Port ...

Page 20: ...s INTRODUCTION 12 1 POST REPAIR PROCEDURES 12 1 A Manual Changes Introduction A 1 Manual Changes A 1 Change 1 A 2 Serial Number A 5 B Power Requirement Replacing Fuse B 1 Fuse Selection B 1 Power Requirements B 2 Power Cable B 2 Messages Error Messages in Alphabetical Order Messages 2 Error Messages in Numerical Order Messages 15 Index Contents 9 ...

Page 21: ... Correction Constants Setup 3 4 3 2 4352B Adjustment Program Basic Menu 3 5 3 3 Setup Menu 3 6 3 4 List Box Menu 3 7 3 5 Reference Frequency Adjustment Setup 3 8 3 6 Reference Frequency Adjustment Location 3 9 3 7 Third Mixer Feedthrough Adjustment Location 3 10 3 8 Third IF AMP GAIN Adjustment Setup 3 11 3 9 Third IF AMP GAIN Adjustment Location 3 12 3 10 Crystal Filter Frequency Response Correct...

Page 22: ...k Diagram 8 2 8 2 Receiver Group Troubleshooting Flow 8 3 8 3 40MHz Output INT REF OUTPUT Signals Test Setup 8 4 8 4 A6 Peak Detector Test Setup 8 6 8 5 Measurement Functions Test Setup 8 9 8 6 A10 Output Test Setup 1 8 11 8 7 A10 Output Test Setup 2 8 11 8 8 FM Deviation Residual FM Test Setup 8 13 8 9 Frequency Transient Measurement Test Setup 8 14 9 1 Service Key Menus 9 1 9 2 Service Menu 9 3 ...

Page 23: ...11 28 11 26 Motherboard Installation 11 29 11 27 CPU Board Installation 11 30 11 28 Saddle Edge 11 31 11 29 Preregulator Installation 11 32 11 30 DC DC Converter Installation 11 33 11 31 Front Panel Installation 11 34 11 32 Troidal Core 11 35 11 33 Front Bezel 11 36 11 34 Rear Panel Installation 11 37 11 35 Covers 11 38 11 36 DC FM Source Board ASSY 11 39 11 37 DC FM Source Board Installation 11 4...

Page 24: ... 14 11 14 Rear Assembly Parts 1 11 15 11 15 Rear Assembly Parts 2 11 16 11 16 Rear Assembly Parts 3 11 17 11 17 Rear Assembly Parts 4 11 18 11 18 Rear Assembly Parts 5 11 19 11 19 Rear Assembly Parts 6 11 20 11 20 Rear Assembly Parts 7 11 21 11 21 1st Mixer Board 1 11 22 11 22 1st Mixer Board 2 11 23 11 23 Power Switch ASSY 11 24 11 24 Chassis Frames 1 11 25 11 25 Chassis Frames 2 11 26 11 26 1st ...

Page 25: ...O set Option 001 11 46 11 46 24 Bit I O Board 11 47 11 47 Top Shield Plate 11 48 11 48 BNC BNC Adapter 11 49 11 49 Top Covers Foot 11 50 12 1 Post Repair Procedures 12 2 A 1 Manual Changes by Serial Number A 1 A 2 Manual Changes by Firmware Version A 1 A 3 Front Assembly Parts 5 A 2 A 4 Front Assembly Parts 6 A 3 A 5 Front Assembly Parts 7 A 4 B 1 Fuse Selection B 1 Contents 14 ...

Page 26: ...are updated by using the adjustment program Note The next ve chapters are the core troubleshooting chapters Overall Troubleshooting outlines the 4352B troubleshooting and provides troubleshooting procedures to isolate the faulty functional group Faulty assembly isolation procedures for each functional group follow this chapter Power Supply Troubleshooting Digital Control Troubleshooting Source Gro...

Page 27: ...pair Procedures contains the table of related service procedures It is a table of adjustments and veri cation procedures to be performed after repair or replacement of each assembly Appendices contains manual change information required to make this manual compatible with earlier shipment con gurations of the analyzer and power requirements Messages contains the service related error message list ...

Page 28: ...rial number pre x indicates that the instrument is di erent from those described in this manual The manual for an unlisted instrument may be accompanied by a yellow Manual Changes supplement or have a di erent manual part number The Manual Changes supplement contains change information that explains how to adapt the manual to newer instruments In additions to change information the supplement may ...

Page 29: ...C 82335B 82340A 1 A Program 4352B Adjustment Program PN 04352 18010 1 A Signal Generator Freq Range 10 MHz to 2 GHz 8664A 004 or 8642B 1 A P Signal Generator Freq Range 10 MHz to 3 GHz 8664A 004 or 8665B 004 1 A P Network Analyzer Freq Range to 3 GHz 8753D 1 A P Function Generator Freq Range 80 kHz Level 20 dBm 3325B 1 A Frequency Counter Freq Range 10 MHz to 3 GHz 5343A Opt 001 5334B 1 P A T Powe...

Page 30: ... Type N Cable 50 11500B or Part of 11851B 3 P A T BNC Cable 61 cm 50 PN 8120 1839 2 P A T BNC Cable 122 cm 50 PN 8120 1840 2 P A T N m N m Adapter 50 PN 1250 1475 2 P A T N f SMA m Adapter 50 PN 1250 1562 2 P A BNC Tee Adapter PN 1250 0781 2 P A N m BNC f Adapter 50 PN 1250 1476 2 P A T SMB m BNC f Adapter 50 PN 1250 1237 1 T RF Cable assembly PN 04352 61616 1 T 940 Resistor BOX PN 04352 65002 1 T...

Page 31: ......

Page 32: ...Ambient Conditions Perform all performance tests within ambient conditions of 23 6 5 C 70 RH Calibration Cycle The 4352B requires periodic performance veri cation to remain in calibration The frequency of performance veri cation depends on the operating and environmental conditions under which the 4352B is used Verify the 4352B s performance at least every two years using the performance tests giv...

Page 33: ...quipment Table 1 1 lists the equipment required for performance testing the 4352B Other equipment may be substituted if the equipment meets or exceeds the critical speci cations given in Table 1 1 2 2 Performance T ests ...

Page 34: ...pment Signal Generator SG 2 8664A 8665B Network Analyzer 8753D N m N m cable 61 cm 2 ea 11500B or part of 11851B BNC cable 122 cm 2 ea PN 8120 1840 GPIB Cable PN 8120 3445 Procedure 1 Connect the test equipment as shown in Figure 2 1 Figure 2 1 Frequency Measurement Test Setup Note Connect the signal generator s 10 MHz frequency reference output to the 4352B EXT REF Input on the rear panel as show...

Page 35: ...initialize the 4352B Con rm that the SG 2 s GPIB remote indicator is lit 2 Press 4Meas5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE VCO TESTER to set the instrument type to the Tester Mode 3 Set the measurement controls as follows a Press 4Preset5 4Meas5 and NNNNNNNNNNNNNNNNNNNNNNNNNNNNN FREQUENCY to set the measurement item t...

Page 36: ...or 2 ea 8482A Power Splitter 11667A 10 dB Fixed Attenuator 8491A Opt 010 H60 50 Termination type N m 909C Opt 012 or part of 85032B N m N m adapter 50 PN 1250 1475 N f SMA m adapter 2 ea PN 1250 1562 N m N m cable 61 cm 2 ea 11500B or part of 11851B BNC cable 122 cm PN 8120 1840 Procedure 1 Connect the power sensor A to the power meter A Calibrate the power meter A with the power sensor A Set the ...

Page 37: ...nd PMB1 XXX where XXX is the SG s setting frequency SG Frequency Power Meter A Value as Power Meter B Value as 10 MHz PMA1 10M PMB1 10M 50 MHz PMA1 50M PMB1 50M 100 MHz PMA1 100M PMB1 100M 500 MHz PMA1 500M PMB1 500M 1 GHz PMA1 1G PMB1 1G 1 5 GHz PMA1 1 5G PMB1 1 5G 2 GHz PMA1 2G PMB1 2G 2 5 GHz PMA1 2 5G PMB1 2 5G 3 GHz PMA1 3G PMB1 3G d Reverse the power sensor with 10 dB attenuator connections ...

Page 38: ...XXX instead of PMA1 XXX PMB1 XXX respectively f Calculate the following formula Note each calculated value as Track XXX Track XXX fPMA1 XXX PMB1 XXX g fPMA2 XXX PMB2 XXX g 2 3 Remove the 50 termination and connect the power splitter to the 4352B RF IN connector with a N m N m adapter as shown in Figure 2 4 Performance T ests 2 7 ...

Page 39: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE VCO TESTER to set the instrument type to Tester Mode 6 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MEAS RF POWER to set the measurement item to RF Power 7 Set the signal generator output frequency to 10 MHz and turn the signal generator output ON 8 Adjust the signal generator output level around 6 dBm until the power meter r...

Page 40: ...lt and calculate the following formula Test Result dB 4352B Power Meter reading Track 50M Record the calculated test result on the Performance Test Record 13 Turn the signal generator output OFF and connect the test equipment as shown in Figure 2 5 Figure 2 5 RF Power Measurement Accuracy Test Setup 2 14 Set the signal generator output level to 22 dBm 50 MHz and turn the signal generator output ON...

Page 41: ... 17 Adjust the signal generator output level until the power meter reading is 10dBm 60 1 dB 18 Read the 4352B measurement result and calculate the following formula Test Result dB 4352B reading Power Meter reading Track 50M Record the calculated test result on the Performance Test Record Caution To prevent damage of the 4352B from an accidentially large signal level input turn the power ampli er o...

Page 42: ...1476 Procedure 1 Connect the test equipment as shown in Figure 2 6 Figure 2 6 C N Measurement Phase Noise Test Setup 2 Press 4Preset5 to initialize the 4352B 3 Press 4Meas5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE VCO TESTER to set the instrument type to the Tester Mode 4 Press 4Meas5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ...

Page 43: ...NNNNNNNNNNNNNNNNNNNNNNN OFFSET FREQ and the entry keys to set the o set frequency in accordance with the following list and record each measurement result on the Performance Test Record 1 kHz 10 kHz 100 kHz 2 12 Performance T ests ...

Page 44: ...Test Equipment Signal Generator for LO SG 1 8664A 8642B Signal Generator SG 2 8664A 8665B Network Analyzer 8753D Power Meter 436A Power Sensor 8482A Power Divider 11636A 10 dB Fixed Attenuator 2 ea 8491A Opt 010 H60 Power Splitter 11667A Step Attenuator 8496A G Opt H60 N m N m adapter 50 2 ea PN 1250 1475 N m N m cable 61 cm 3 ea 11500B or part of 11851B BNC cable 122 cm 3 ea PN 8120 1840 GPIB Cab...

Page 45: ...NNNNNNNNN SYSTEM CONTROLLER Then press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS SG and the entry keys to set the GPIB address of the signal generator SG 1 The factory default setting of the signal generator address is 19 c Press 4RF LO5 NNNNNNNNNNNNNNNNNNNNNNN SG TYPE 415 4x15 to set the signal generator type to the 8664A d Press 4Preset5 ...

Page 46: ...N 12 Set the step attenuator to 0 dB 13 Adjust the output amplitude of SG 3 until the power meter reading is 10 dBm 60 1 dB Then record the power meter reading as PM noise 9M 14 Set the step attenuator to 40 dB 15 Turn both SG 2 and SG 3 signal outputs ON 16 Press 4Bw Avg5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OFFSET FREQ 415 4M 5 to set the o set frequency of the 4352B Carrier Noise ratio measureme...

Page 47: ...Test Equipment Signal Generator for LO SG 1 8664A 8642B Signal Generator SG 2 8664A 8665B Network Analyzer 8753D Power Meter 436A Power Sensor 8482A Power Divider 11636A 10 dB Fixed Attenuator 2 ea 8491A Opt 010 H60 Power Splitter 11667A Step Attenuator 8496A G Opt H60 N m N m adapter 50 2 ea PN 1250 1475 N m N m cable 61 cm 3 ea 11500B or part of 11851B BNC cable 122 cm 3 ea PN 8120 1840 GPIB Cab...

Page 48: ...NNNNNNNNNN SYSTEM CONTROLLER Then press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS SG and the entry keys to set the GPIB address of the signal generator SG 1 The factory default setting of the signal generator address is 19 c Press 4RF LO5 NNNNNNNNNNNNNNNNNNNNNNN SG TYPE 415 4x15 to set the signal generator type to the 8664A d Press 4Preset5...

Page 49: ... turn the SG 3 signal output to ON 12 Set the step attenuator to 0 dB 13 Adjust the output amplitude of SG 3 until the power meter reading is 20 dBm 60 1 dB Then record the power meter reading as PM noise 0dB 14 Turn both SG 2 and SG 3 signal outputs ON 15 Press 4Bw Avg5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OFFSET FREQ 415 405 405 4k m5 to set the o set frequency of the 4352B Carrier Noise ratio me...

Page 50: ... to 40 C 68 of reading 2 0 of meas range 1kHz FM 20 200 kHz range 23610 C 62 of reading 0 1 of meas range 1kHz FM 20 200 kHz range 0 to 40 C 68 of reading 0 4 of meas range Test Equipment Signal Generator for LO SG 1 8664A 8642B Function Generator 3325A AM FM Test Source 11715A N m N m cable 61 cm 11500B or part of 11851B BNC cable 122 cm 5 ea PN 8120 1840 N m BNC f adapter PN 1250 1476 GPIB Cable...

Page 51: ...ze the 4352B Con rm that the signal generator s GPIB remote indicator is lit 2 Set the Test Mode of AM FM Test Source to FM 3 Set the function generator s output to 1 kHz 4 Press 4Preset5 to initialize the 4352B 5 Press 4Meas5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN INST TYPE VCO TESTER to set the instrument type to Tester Mode 6 Pr...

Page 52: ...formula and record the 200 kHz range test result on the Performance Test Record Test Result REL FM TEST FM REF 100 10 Perform the following steps to check the 20 kHz range of the FM deviation measurement a Remove the BNC cable from FM output on the AM FM Test Source and connect it to the FM OUTPUT on the AM FM Test Source as shown in Figure 2 11 Performance T ests 2 21 ...

Page 53: ...s amplitude around 8 dBm until the 4352B reading is 80 kHzrms 61 kHzrms and note the 4352B reading as FM REF d Remove the BNC cable from the FM 4 output on the AM FM Test Source and connect it to the FM OUTPUT on the AM FM Test Source as shown in Figure 2 12 Figure 2 12 FM Deviation Accuracy Test Setup 4 e Press 4Sense Range5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FM DEV RANGE NNNNNNNNNNNNNNNNNNNN...

Page 54: ...BNC cable from FM output on the AM FM Test Source and connect it to the FM OUTPUT on the AM FM Test Source as shown in Figure 2 13 Figure 2 13 FM Deviation Accuracy Test Setup 5 b Press 4Sense Range5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FM DEV RANGE NNNNNNNNNNNNNNNNNNNN 20 kHz to set the FM deviation range to 20 kHz c Adjust the function generator s amplitude around 28 dBm until the 4352B readin...

Page 55: ... NNNNNNNNNNNNNNNNN 2 kHz to set the FM deviation range to 2 kHz f Con rm that the 4352B reading is approximately 2 kHzrms and note the 4352B reading as FM TEST g Calculate the following formula and record the 2 kHz range test result on the Performance Test Record Test Result REL FM TEST FM REF 100 2 24 Performance T ests ...

Page 56: ... 2 8664A 8665B Network Analyzer 8753D Power Meter 436A Power Sensor 8482A Power Divider 11636A 10 dB Fixed Attenuator 2 ea 8491A Opt H60 Power Splitter 11667A Step Attenuator 8496A G Opt H60 N m N m adapter 50 2 ea PN 1250 1475 N m N m cable 61 cm 3 ea 11500B or part of 11851B BNC cable 122 cm 3 ea PN 8120 1840 GPIB Cable PN 8120 3445 1 Calibration value for attenuation setting of 50 dB at 1 GHz i...

Page 57: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SYSTEM CONTROLLER Then press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS SG and the entry keys to set the GPIB address of the signal generator SG 1 The factory default setting of the signal generator address is 19 c Press 4RF LO5 NNNNNNNNNNNNNNNNNNNNNNN SG TYPE 415 4x15 to set the signal generator type...

Page 58: ...ding as PM2 14 Turn both SG 2 and SG 3 signal outputs ON 15 Set the step attenuator to 50 dB 16 Press 4Trigger5 NNNNNNNNNNNNNNNNNNNN SINGLE to make a measurement Wait until a sweep is completed 17 Press 4Menu5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MKR SEARCH NNNNNNNNNNN MAX to move the marker to the SG 2 frequncy point Note the 4352B reading as SA1 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SEARCH PE...

Page 59: ... range 30MHz When RF MAX 40MHz 6 measurement range 2 0 1 time base accuracy of external signal source used When RF MAX 40MHz 6 30kHz time base accuracy of external signal source used Test Equipment Signal Generator SG 1 8664A 8642B Signal Generator SG 2 8664A 8665B N m N m cable 61 cm 2 ea 11500B or part of 11851B BNC cable 122 cm 2 ea PN 8120 1840 GPIB Cable PN 8120 3445 Procedure 1 Connect the t...

Page 60: ...nt measurement to 320 MHz 9 Press 4Trigger5 NNNNNNNNNNNNNNNNNNNN SINGLE to make one sweep measurement 10 Press 4Menu5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MKR SEARCH NNNNNNNNNNN MAX to move the marker to the maximum frequency point on the trace Record the 4352B marker reading on the Performance Test Record 11 Press NNNNNNNNNNN MIN to move the marker to the minimum frequency point on the trace Record t...

Page 61: ...y 23610 C 6 0 2 2 mV 0 to 40 C 6 0 6 6 mV Test Equipment Multimeter 3458A BNC Cable 61 cm PN 8120 1839 Dual Banana BNC f adapter PN 1251 2277 Procedure 1 Connect the test equipment as shown in Figure 2 17 Figure 2 17 DC Power Voltage Accuracy Test Setup 2 Set the multimeter to the DCV measurement mode 3 Press 4Preset5 to initialize the 4352B 4 Press 4DC Power5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 62: ...s 4DC Power5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POWER VOLTAGE and the entry keys to set the DC POWER voltage in accordance with the following list Subtract each DC Power voltage setting value from each multimeter reading and record the calculated value on the Performance Test Record 1 0 V 2 5 V 5 0 V 7 5 V 10 0 V 12 5 V 15 0 V 15 5 V Performance T ests 2 31 ...

Page 63: ...le in 100 V steps Setting Accuracy 23610 C 015 V to 00 0001 V 6f setting 15 V 20 1 5 mVg 0 V to 20 V 6 setting20 1 2 mV 20 0001 V to 35 V 6f setting 0 15 V 20 1 5 mV g Test Equipment Multimeter 3458A BNC Cable 61 cm PN 8120 1839 Dual Banana BNC f adapter PN 1251 2277 Procedure 1 Connect the test equipment as shown in Figure 2 18 Figure 2 18 DC Control Voltage Accuracy Test Setup 2 Set the multimet...

Page 64: ...rmance Test Record 7 Press 4DC Control5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CTRL VOLTAGE and the entry keys to set the DC CONTROL voltage in accordance with the following list Subtract each DC CONTROL voltage setting value from each multimeter reading and record the calculated value on the Performance Test Record 015 V opt 001 only 01 V opt 001 only 1 0 V 1 2 V 5 0 V 10 0 V 15 0 V 20 0 V 21 V o...

Page 65: ...teps Setting Accuracy OPEN load 23610 C 6 0 5 1 mVrms OPEN load 0 to 40 C 6 1 5 3 mVrms Test Equipment Multimeter 3458A BNC Cable 61 cm PN 8120 1839 Dual Banana BNC f adapter PN 1251 2277 Procedure 1 Change the cable connection as shown in Figure 2 19 Figure 2 19 MOD OUT Voltage Test Setup 2 Set the multimeter to Synchronously Sub sample AC voltage measurement mode ACV SETACV SYNC 3 Press 4Preset5...

Page 66: ...Record the multimeter reading on the Performance Test Record 7 Press 4Mod5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MOD AMPLITUDE and the entry keys to set the MOD OUT level in accordance with the following list Subtract each MOD OUT setting value from each multimeter reading and record the calculated value on the Performance Test Record 0 005 Vrms 0 25 Vrms 0 5 Vrms 0 75 Vrms 1 0 Vrms Performanc...

Page 67: ...ccuracy 23610 C 6 0 2 of reading 100 A 0 to 40 C 6 0 8 of reading 400 A Resolution 10 A Test Equipment Multimeter 3458A BNC Cable 61 cm 2 ea PN 8120 1839 Dual Banana BNC f adapter PN 1251 2277 300 Resistor Box PN 04352 65001 Procedure 1 Connect the equipment as shown in Figure 2 20 Figure 2 20 DC Power Current Test Setup 2 Set the multimeter to the DCI measurement mode 3 Press 4Preset5 to initiali...

Page 68: ...age to 0 V 7 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OUTPUT on OFF to output the DC POWER voltage 8 Record the multimeter reading on the Performance Test Record 9 Press 4DC Power5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POWER VOLTAGE and the entry keys to set the DC POWER voltage in accordance with the following table Subtract each DC POWER CURRENT measurement value from each multimeter ...

Page 69: ...urement Uncertainty 10 MHz 0 dBm 60 6 dB dB 60 18 dB 50 MHz 0 dBm 60 6 dB dB 60 18 dB 100 MHz 0 dBm 60 6 dB dB 60 19 dB 500 MHz 0 dBm 60 6 dB dB 60 19 dB 1 GHz 0 dBm 60 6 dB dB 60 18 dB 1 5 GHz 0 dBm 60 6 dB dB 60 18 dB 2 GHz 0 dBm 60 6 dB dB 60 19 dB 2 5 GHz 0 dBm 61 dB dB 60 22 dB 3 GHz 0 dBm 61 dB dB 60 22 dB 50 MHz 010 dBm 60 6 dB dB 60 19 dB 50 MHz 10 dBm 60 6 dB dB 60 18 dB 50 MHz 20 dBm 61 ...

Page 70: ...0 dB dB 60 04 dB 1 MHz 62 0 dB dB 60 04 dB 10 MHz 64 0 dB dB 60 04 dB C N Measurement Accuracy Test Linearity C N Test Limit Test Result Measurement Uncertainty 10 dB 62 0 dB dB 60 08 dB 20 dB 62 0 dB dB 60 08 dB 30 dB 62 0 dB dB 60 08 dB 40 dB 62 0 dB dB 60 08 dB 50 dB 62 0 dB dB 60 08 dB 60 dB 62 0 dB dB 60 09 dB 70 dB 62 0 dB dB 60 15 dB 80 dB 62 0 dB dB 60 43 dB FM Deviation Test Range Min Lim...

Page 71: ...mit Test Result Measurement Uncertainty 320 MHz 960 MHz 880 MHz 61 16 MHz Max MHz 330 Hz 320 MHz 960 MHz 880 MHz 61 16 MHz Min MHz 330 Hz 854 MHz 884 MHz 880 MHz 630 kHz Max kHz 330 Hz 854 MHz 884 MHz 880 MHz 630 kHz Min kHz 330 Hz 878 3 MHz 880 3 MHz 880 MHz 62 kHz Max kHz 330 Hz 878 3 MHz 880 3 MHz 880 MHz 62 kHz Min kHz 330 Hz 10 MHz 30 MHz 25 MHz 6 30kHz Max kHz 9 4 Hz 10 MHz 30 MHz 25 MHz 6 3...

Page 72: ...only 35 V 625 0 mV mV 60 763 mV Opt 001 only MOD OUT Voltage Test MOD OUT Voltage Test Limit Test Result Measurement Uncertainty 0 V 61 00 mV mV 60 004 mV 0 005 V 61 03 mV mV 60 003 mV 0 25 V 62 25 mV mV 60 068 mV 0 5 V 63 50 mV mV 60 112 mV 0 75 V 64 75 mV mV 60 156 mV 1 V 66 00 mV mV 60 200 mV DC POWER Current Test DC POWER Current Test Limit Test Result Measurement Uncertainty 0 mA 6100 A A 60 ...

Page 73: ......

Page 74: ...rator and to keep the instrument in a safe and serviceable condition The adjustments must be performed by quali ed service personnel Warning Any interruption of the protective ground conductor inside or outside the analyzer or disconnection of the protective ground terminal can make the instrument dangerous Intentional interruption of the protective ground system for any reason is prohibited The r...

Page 75: ...le contained on the diskette is ADJ4352B EXE self extracting le Note To prevent accidental deletion or destruction of the program make working copies of the furnished master diskette Use the working copies for daily use Keep the master diskette in a safe place and use it only for making working copies The following equipment is required when using the adjustment program HP E2120C HP VEE for Window...

Page 76: ...onstants procedure perform them in the order they appear in this chapter The procedures are presented in the following order Reference Frequency Adjustment Third Mixer Feedthrough Adjustment Third IF Amp Gain Adjustment EEPROM Write ID and Initial Correction Constants Crystal Filter Frequency Response Correction Constants FV Converter Correction Constants DC Power Voltage Correction Constants DC C...

Page 77: ...stment program disk in the a drive 3 5 inch FDD 5 Copy a adj4352b exe to c nvee4352bnadj4352b exe 6 From the Windows Program Manager pull down the File menu and click on Run The RUN dialog box will be displayed 7 Type the following c nvee4352bnadj4352b exe in the command line text box Click on OK All les and directories will be automatically extracted 8 Run HP VEE software by double clicking its i...

Page 78: ...your test equipment Set the GPIB address and time for time out for each item Then Click on OK 11 The Setup Menu will be displayed as shown in Figure 3 3 Click on OK If you want to save to a di erent drive or directory change the drive letter and path default is c nvee4352b and click on OK Adjustments and Correction Constants 3 5 ...

Page 79: ...Number Entry Menu will be displayed Enter the serial number and click on If OK Push here 14 The list Box Menu will be displayed as shown in Figure 3 4 Choose the adjustment items using the mouse Click on OK to start the adjustment procedures If you click on Select All you can easily activate all adjustment items These selected adjustments are performed in the listed order 3 6 Adjustments and Corre...

Page 80: ...Figure 3 4 List Box Menu Adjustments and Correction Constants 3 7 ...

Page 81: ...justment program and display the list box menu 2 Click on ADJ FREQ to choose the Reference Frequency Adjustment in the list box menu Then click on OK 3 Follow the adjustment program instructions to adjust the reference frequency Figure 3 5 shows the equipment setup for this adjustment and Figure 3 6 shows the adjustment location Figure 3 5 Reference Frequency Adjustment Setup 3 8 Adjustments and C...

Page 82: ...Figure 3 6 Reference Frequency Adjustment Location Adjustments and Correction Constants 3 9 ...

Page 83: ...t program and display the list box menu 2 Click on ADJ 3MixFdThru to choose the Third Mixer Feedthough Adjustment in the list box menu Then click on OK 3 Follow the adjustment program instructions to adjust the third mixer feedthough Figure 3 7 shows the adjustment location Figure 3 7 Third Mixer Feedthrough Adjustment Location 3 10 Adjustments and Correction Constants ...

Page 84: ...on ADJ GAIN to choose the Third IF Amp Gain Adjustment in the list box menu Then click on OK 3 Follow the adjustment program instructions to adjust the reference frequency Figure 3 8 shows the equipment setup for this adjustment and Figure 3 9 shows the adjustment location 4 After this adjustment connect the BNC BNC adapter between the 2nd IF Input and Output connectors on the 4352B rear panel Fig...

Page 85: ...Figure 3 9 Third IF AMP GAIN Adjustment Location 3 12 Adjustments and Correction Constants ...

Page 86: ...e A1 CPU or EEPROM with new one Required Equipment None Procedure 1 Run the HP VEE adjustment program and display the list box menu 2 Click on WRITE ID and CC INIT to choose the WRITE ID and Initial Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to write the data into EEPROM Adjustments and Correction Constants 3 13 ...

Page 87: ...ox menu 2 Click on CC XTAL to choose the Crystal Filter Frequency Response Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction constants Figure 3 10 shows the equipment setup for these correction constants 4 After this adjustment connect the BNC BNC adapter between the 2nd IF Input and Output connectors on the 4352B rear ...

Page 88: ...m 2 ea 11500B or part of 11851B BNC cable 61 cm 2 ea PN 8120 1839 Procedure 1 Run the HP VEE adjustment program and display the list box menu 2 Click on CC FVCNV to choose the Crystal FV Converter Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction constants Figure 3 11 shows the equipment setup for these correction const...

Page 89: ...51 2277 Procedure 1 Run the HP VEE adjustment program and display the list box menu 2 Click on CC DCP V to choose the DC Power Voltage Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction constants Figure 3 12 shows the equipment setup for these correction constants Figure 3 12 DC Power Voltage Correction Constants Setup 3...

Page 90: ...1251 2277 Procedure 1 Run the HP VEE adjustment program and display the list box menu 2 Click on CC DCC V to choose the DC Control Voltage Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction constants Figure 3 13 shows the equipment setup for these correction constants Figure 3 13 DC Control Voltage Correction Constants S...

Page 91: ...51 2277 Procedure 1 Run the HP VEE adjustment program and display the list box menu 2 Click on CC MOD to choose the MOD OUT level Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction constants Figure 3 14 shows the equipment setup for these correction constants Figure 3 14 MOD OUT Level Correction Constants Setup 3 18 Adju...

Page 92: ...C f adapter PN 1251 2277 Procedure 1 Run the HP VEE adjustment program and display the list box menu 2 Click on CC DCP I to choose the DC Power Current Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction constants Figure 3 15 shows the equipment setup for these correction constants Figure 3 15 DC Power Current Correction ...

Page 93: ... N m N m Cable 61 cm 2 ea 11500B or part of 11851B BNC Cable 122 cm PN 8120 1840 Procedure 1 Run the HP VEE adjustment program and display the list box menu Note Before performing this procedure calibrate the power meter with the power sensor 2 Click on CC POW L to choose the RF Power Linearity Correction Constants in the list box menu Then Click on OK 3 Follow the adjustment program instructions ...

Page 94: ...Power Linearity Correction Constants Setup 2 Caution To prevent any damage to the 4352B from large input levels turn the power ampli er o immediately performing this procedure Adjustments and Correction Constants 3 21 ...

Page 95: ...or part of 11851B BNC cable 122 cm 2 ea PN 8120 1840 Procedure 1 Run the HP VEE adjustment program and display the list box menu Note Before performing this procedure calibrate the power meter with the power sensor 2 Click on CC POW F to choose the RF Power Flatness Correction Constants in the list box menu Then click on OK 3 Follow the adjustment program instructions to update the correction cons...

Page 96: ...ter 50 PN 1250 1475 N m N m cable 61 cm 2 ea 11500B or part of 11851B BNC cable 122 cm 2 ea PN 8120 1840 GPIB Cable PN 8120 3445 Procedure 1 Run the HP VEE adjustment program and display the list box menu Note Before performing this procedure calibrate the power meter with the power sensor 2 Click on CC SA to choose the Spectrum Measurement Correction Constants in the list box menu Then click on O...

Page 97: ...ower sensor A to the power meter A Calibrate the power meter A for the power sensor A Set the power meter A s display unit of the power meter to dBm Connect the power sensor B to the power meter B Calibrate the power meter B for the power sensor B Set the power meter B s display unit of the power meter to dBm 6 Obtain the tracking error data of the power splitter in according with the following pr...

Page 98: ...wing table and record each power meter value at each frequency as PMA1 XXX and PMB1 XXX where XXX is the SG s setting frequency SG Frequency Power Meter A Value as Power Meter B Value as 10 MHz PMA1 10M PMB1 10M 80 MHz PMA1 80M PMB1 80M 800 MHz PMA1 800M PMB1 800M 3 GHz PMA1 3G PMB1 3G d Reverse the power splitter connection as shown in Figure 3 21 Adjustments and Correction Constants 3 25 ...

Page 99: ...name recorded Use PMA2 XXX PMB2 XXX instead of PMA1 XXX PMB1 XXX respectively f Calculate the following formula Note each calculated value as Track XXX Tack XXX fPMA1 XXX PMB1 XXX g fPMA2 XXX PMB2 XXX g 2 7 Connect the test equipment as shown in Figure 3 22 3 26 Adjustments and Correction Constants ...

Page 100: ...ignal generator b Press 4Local5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SYSTEM CONTROLLER Then press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SET ADDRESSES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS SG and the entry keys to set the GPIB address of the signal generator LO SG 2 The factory default setting of the signal generator address is 19 c Press 4RF LO5 NNNNNNNNNNNNNNNNNNNNNNN S...

Page 101: ...NNNNNNNNNNN SWEEP NNNNNNNNNNNNNNNNNNNN CENTER 415 405 4 5 405 405 455 4M 5 to set the center frequency to 10 005 MHz 14 Press 4Menu5 NNNNNNNNNNNNNNNNNNNN MARKER 4Menu5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN MKR SEARCH NNNNNNNNNNN MAX and note the 4352B amplitude reading at 10 MHz input signal 15 Subtract the 4352B reading and the power splitter tracking error with the power meter reading as in following...

Page 102: ...s for instance which typically use an GPIB connection and a line connection This chapter also suggests remedies for system problems external to the analyzer This chapter identi es one or more faulty groups in the analyzer s four functional groups Then refers the technician to the appropriate chapter The four functional groups are power supply digital control source and receiver Descriptions of the...

Page 103: ...Figure 4 1 Troubleshooting Organization 4 2 Overall T roubleshooting ...

Page 104: ...e analyzer alone perform the following procedure 1 Disconnect everything from the analyzer GPIB cable and RF cables etc 2 Perform the INSPECT THE POWER ON SEQUENCE in this chapter 3 Perform the OPERATOR s CHECK in this chapter 4 Perform the PERFORMANCE TEST FAILURE TROUBLESHOOTING in this chapter 5 Perform the TROUBLESHOOTING GPIB SYSTEM in this chapter Overall T roubleshooting 4 3 ...

Page 105: ...e of unexpected results continue with Digital Control Troubleshooting chapter Check Error Message Turn the analyzer power on Inspect the LCD No error message should be displayed If one of the error message or status annotation listed below appears on the LCD follow the instructions described below If one of the following error messages is displayed troubleshoot the power supply group in Chapter 5 ...

Page 106: ...ocedure to check the source group 1 Connect the equipment as shown in Figure 4 2 Figure 4 2 Source Group Check Setup 2 Turn the analyzer power on 3 Set the multimeter to the DCV measurement mode 4 Press 4Preset5 to initialize the analyzer 5 Press 4DC Power5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POWER VOLTAGE 415 455 4 5 455 4x15 to set the DC POWER voltage to 15 5 V Press NNNNNNNNNNNNNNNNNNNNN...

Page 107: ... V 6 5 mV If it fails go to the Source Group Troubleshooting Chapter 16 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CTRL VOLTAGE 435 455 4x15 to set the DC CONTROL voltage to 35 V Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OUTPUT on OFF to activate the dc output 17 Con rm that the multimeter reading value is 35 V 6 25 mV If if fails go to the Source Group Troubleshootin Chapter 18 Press NNNN...

Page 108: ...NNNNNNNNNNNNNNNNNNN FM DEV RANGE NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FM DEV RNG 2kHz 4Bw Avg5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FM DETECTION NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN HP FILTER 300 Hz NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LP FILTER 3 kHz b Con rm the reading value is equal to or less than 3 Hzrms Record the result pass or fail as RESULT ...

Page 109: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNNN TRIGGER HOLD to hold the measurement b Press 4Meas5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FM DEVIATION 4Menu5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FM DEV CAL NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EXECUTE DEV CAL to perform the FM Deviation Calibration If FM DEV CAL FACTOR XXXXXXX X numeric is displayed there is no trouble found If CAUTION Invalid Dev Cal is dis...

Page 110: ...stants CC Frequency Measurement None RF Power Measurement RF Power Linearity CC RF Power Flatness CC C N Measurement Phase Noise Crystal Filter Frequency Response CC C N Measurement Accuracy Flatness Crystal Filter Frequency Response CC C N Measurement Accuracy Linearity Crystal Filter Frequency Response CC FM Deviation Test Crystal Filter Frequency Response CC FV Converter CC Spectrum Measurement...

Page 111: ...NNNNNNNNNNNNNNNNNNNNNNNNNNNN ADDRESS SG to see the signal generator addresses recognized by the analyzer The factory default address is Table 4 2 Default GPIB Addresses DEVICE GPIB ADDRESS Signal Generator 19 4 Set the GPIB address of the signal generator to the address that the analyzer recognizes if required Refer to the manual of the peripheral to read or change its address 5 Press 4RF LO5 set ...

Page 112: ... system manuals GPIB interface hardware must be installed in the controller see the controller and the BASIC system manuals I O and GPIB binaries loaded see the BASIC system manuals Select code see the BASIC system manuals GPIB cables see the BASIC system manuals Programming syntax see the BASIC system manuals If the analyzer is operating in an unexpected manner after these checks are veri ed cont...

Page 113: ......

Page 114: ... of A40 Pre Regulator A50 DC DC Converter A2 Post Regulator Fan Assembly All assemblies however are related to the power supply functional group because power is supplied to each assembly For more information about the signal paths and speci c connector pin numbers see Figure 5 11 Figure 5 12 and Figure 5 13 at the end of this chapter If an assembly is replaced see Post Repair Procedures in this m...

Page 115: ... voltage and too hot conditions For more information about the A2 shutdown circuit see the Figure 5 12 Power Supply Block Diagram 2 Note These messages are displayed only after the power on sequence In the power on sequence the analyzer checks the shutdown status of the A2 power supplies 15 V 5 V 5 V 15 V If a power supply is shut down the analyzer displays an error message and stops its operation...

Page 116: ...e fan is rotating the shutdown circuit is probably activated by the over current condition on the power lines in the A50 DC DC Convereter or the A2 Post Regulator In this condition though the A50 power supplies 5 VD 18 V 7 8 V 7 8 V and 18 V are shut down the Fan Power 24 V is still supplied to the fan When the fan is not rotating the shutdown circuit is probably activated by the FAN LOCK signal m...

Page 117: ...Measure the A1 5 VD V oltage Measure the DC voltage on a test point A1TP8 5 VD using a voltmeter Check the voltmeter reading is within 4 59 V to 5 61 V If the voltmeter reading is out of the limits continue with the FIND OUT WHY THE A1 LED IS NOT ON STEADILY If the voltmeter reading is within the limits continue with the next step 5 Check the A2 Seven LEDs a Remove the analyzer s top cover and shi...

Page 118: ...e test completed the test result is displayed as shown in Figure 5 4 Figure 5 4 Displayed Test Result If PASS is displayed the power supply function group are working properly with a 95 con dence level To con rm the last 5 uncertainty of the A2 power supplies measure the all A2 power supply voltages See the Measure A2 Post Regulator Output Voltages at the end of this chapter If FAIL is displayed p...

Page 119: ...gnostics test The test checks all A2 power supply voltages within the limits using the DC BUS and the A D converter on the A6 receiver IF If a power supply failure is found the analyzer stops the test process and displays the test result as shown in Figure 5 4 For more information about the internal test and the DC BUS see the Service Key Menu chapter in this manual 5 6 Power Supply T roubleshooti...

Page 120: ... Block Diagram 1 The fan generates a FAN LOCK signal The signal is fed into the FAN LOCK SENSE circuit in the A50 DC DC converter If the FAN stops the FAN LOCK signal is missing Then the FAN LOCK SENSE circuit activates the A50 shutdown circuitry resulting the SHUTDOWN LED turned o Perform the following procedure to check the A50 SHUTDOWN LED on a Remove the analyzer s top cover and shield plate b...

Page 121: ...he analyzer power o Disconnect the cable from A1J10 Turn the analyzer power on If the A50 SHUTDOWN LED is still o replace the A1 CPU If the A50 SHUTDOWN LED goes on the A1 CPU is veri ed Turn the analyzer power o and reconnect the cable to the A1J10 Continue with the next Remove Assemblies 3 Remove Assemblies a Turn the analyzer power o b Remove the assemblies A3 A5 A6 A13 A17 A60 and A70 Don t re...

Page 122: ...lator If the voltmeter reading is within the limits the A40 pre regulator is veri ed Turn the analyzer power o and reconnect the cable to the A50J1 Then continue with the next Check the A50 DC DC Converter section Figure 5 6 A40J1 Output Voltage 2 Check the A50 DC DC Converter a Turn the analyzer power o b Disconnect a cable form the A50J3 The A50J3 location is shown in Figure 5 6 c Turn the analy...

Page 123: ...nalog assemblies Continue with the next Remove Assemblies If the 5 VD LED is still on continue with the next step e Reconnect one of the disconnected cables to its connector at a time Turn the analyzer power on after each cable is connected The assembly related with the cable turning the 5 VD LED o is probably faulty Replace the assembly 4 Remove Assemblies a Turn the analyzer power o Remove the a...

Page 124: ... the removed assemblies at a time Turn the analyzer power on after each is installed The assembly that turns the A1 5 VD LED on is the most probable faulty assembly Replace the assembly Power Supply T roubleshooting 5 11 ...

Page 125: ... a 10 k resistance and a oscilloscope to the fan power cable using appropriate wires as shown in Figure 5 8 Figure 5 8 Fan Troubleshooting Setup e Turn the DC power supply on Adjust the output voltage to 24 V f Check the fan is rotating Check the FAN LOCK signal is as shown in Figure 5 8 If the fan is not rotating or the FAN LOCK signal is unexpected replace the fan If these are good the fan is ve...

Page 126: ... signal to the A50 DC DC converter This purposes not to shut down the A50 DC DC converter d Turn the pulse generator power on Set the controls as follows Wave Form Square Frequency Approximately 30 Hz Amplitude 7 8 V e Connect a resister appoximately 680ohms 125mW between the A50J2 pin 5 7 8 V and pin 4 GND as shown in Figure 5 9 f Turn the analyzer power on g Measure all power supply voltages on ...

Page 127: ...0J2 Pin 2 A50J2 Pin 3 and 4 14 0 V to 27 0 V 7 8 V A50J2 Pin 5 A50J2 Pin 3 and 4 7 0 V to 9 0 V 7 8 V A50J2 Pin 6 A50J2 Pin 3 and 4 6 0 V to 12 0 V 24 V A50J2 Pin 8 A50J2 Pin 10 22 0 V to 27 0 V If any of the power supply voltages are out of the limits replace the A50 DC DC Converter If all A50 power supply voltages are good the A50 pre regulator is veri ed 5 14 Power Supply T roubleshooting ...

Page 128: ...If all A2 output voltages are within the limits the A2 post regulator is veri ed with 100 con dence This procedure put out the A2 post regulator from the analyzer and measure the voltages on the A2J3 pins A pulse generator is used to feed the substitute of the FAN LOCK signal to the A2 post regulator This purposes not to shut down the A50 DC DC converter a Turn the analyzer power o b Remove the ca...

Page 129: ...pply Connector Pin Range 22 V J3 Pin 8 19 8 V to 24 2 V 15 V AUX J3 Pin 4 13 5 V to 16 5 V 15 V J3 Pin 31 13 5 V to 16 5 V 8 5 V J3 Pin 25A 7 65 V to 9 35 V 5 3 V J3 Pin 25B 25C 4 77 V to 5 83 V 5 V J3 Pin 29 30 4 5 V to 5 5 V 5 V J3 Pin 28 4 5 V to 5 5 V 12 V J3 Pin 5 10 8 V to 13 2 V 15 V J3 Pin 27 13 5 V to 16 5 V FAN POWER J3 Pin 9B 9C 19 2 V to 28 8 V GND J3 Pin 1 32 If any of the line voltag...

Page 130: ...Figure 5 11 Power Supply Block Diagram 1 Power Supply T roubleshooting 5 17 ...

Page 131: ...Figure 5 12 Power Supply Block Diagram 2 5 18 Power Supply T roubleshooting ...

Page 132: ...Figure 5 13 Power Supply Block Diagram 3 Power Supply T roubleshooting 5 19 ...

Page 133: ......

Page 134: ...ntrol group in the shortest possible time Whenever an assembly is replaced in this procedure refer to the Table of Related Service Procedures in the Post Repair Procedures chapter of this manual Figure 6 1 shows the digital control group in simpli ed block diagram form The following assemblies make up the digital control group A1 CPU A17 24 Bit I O Port A30 Front Keyboard A31 I O Connector A32 I B...

Page 135: ...Figure 6 1 Digital Control Group Simpli ed Block Diagram 6 2 Digital Control T roubleshooting ...

Page 136: ...A1 and mount the EEPROM on the replacement A1 In the EEPROM the correction constants data is stored after performing the Adjustment and Correction Constants procedures described in the chapter 2 The data may be valid for the new A1 CPU Figure 6 2 A1 EEPROM Location Digital Control T roubleshooting 6 3 ...

Page 137: ...the rmware installation If you do not have a Firmware Installation Kit you must order one For ordering information contact your nearest Agilent Technologies service center and provide the revision of the analyzer s rmware The part number of the Firmware Installation Kit depends on the rmware revision The rmware revision of the analyzer is indicated on the revision label attached on the rear panel ...

Page 138: ...erform the following procedure to check the A1 eight LEDs a Turn the analyzer turn o b Remove the bottom cover of the analyzer c Turn the analyzer power on d Look at the A1 eight LEDs Some of the LEDs light during the power on sequence At the end of the power on sequence the LEDs should stay in the pattern shown in Figure 6 4 If the LEDs stay in the other pattern the A1 CPU is probably faulty Repl...

Page 139: ...ove CPU DRAM R W ERROR This indicates that the A1 DRAM Read Write test failed on the power on self test sequence Replace the A1 CPU DUAL PORT SRAM R W ERROR This indicates that the power on self test for DSP s dual port SRAM on the A1 CPU failed Replace the A1 CPU Note CAUTION Insufficient RF Level is displayed when turning with the analyzer power on This is caused by no RF signal input on RF IN c...

Page 140: ...et5 While keeping the two keys pushed down turn the analyzer power on c Wait for the display shown in Figure 6 5 to appear on the LCD d Check that no error message displayed on the LCD If no error message is displayed the A1 DRAM and ash memories are veri ed Continue with the next step Check the A1 Volatile Memory If an error message is displayed or the display shown in Figure 6 5 does not appear ...

Page 141: ...NNNNNNNNNNN SERVICE MENU NNNNNNNNNNNNNNNNN TESTS 415 415 4x15 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EXECUTE TEST to run the external test 17 b Press all of the front panel keys The pressed abbreviated key name should be displayed as a key is pressed You can check every key on the A30 Keyboard except for 4Preset5 If you want to exit this test press 4Preset5 If one or more keys seems to be defectiv...

Page 142: ...es between the mini DIN keyboard and the A1 CPU through the A32 I BASIC interface If the cable is good replace the mini DIN keyboard If the internal test 1 fails replace the A1 CPU 8 Check the A17 24 bit I O Port Perform this procedure to verify the A17 24 bit I O port by using the I O Port Test Kit PN 87510 65002 1 Turn the analyzer o 2 Connect the I O Simulator to the 24 bit I O Port on the anal...

Page 143: ... working Continue with the next step Check the Two LEDs on A51 GSP If the beep sounds the A51 GSP chip is faulty Replace the A51 GSP If two beeps sound the A51 GSP s DRAM is faulty Replace the A51 GSP If three beeps sound and the LED blinks three times the A51 GSP s VRAM is faulty Replace the A51 GSP 2 Check the A52 LCD Liquid Crystal Display The A52 LCD can be tested using the internal test 21 to...

Page 144: ...Repair Procedures chapter Figure 7 1 shows a simpli ed block diagram of the source group The source group consists of the following assemblies A3 A13 Source A60 DC Source LPF A part of A6 Spectrum Analyzer A70 DC O set Opt 001 only Note Allow the analyzer to warm up for at least 30 minutes before you perform any procedure in this chapter Note A3 is only an extender board which connects the A13 Sou...

Page 145: ...ESHOOTING SUMMARY This overview summarizes the sequence of checks included in this chapter The source group troubleshooting ow is shown in Figure 7 2 Figure 7 1 Source Group Block Diagram 7 2 Source Group T roubleshooting ...

Page 146: ...Figure 7 2 Source Group Troubleshooting Flow Source Group T roubleshooting 7 3 ...

Page 147: ...vate DC BUS function 3 Con rm that the reading value is within the range from 190 mU to 210 mU If the test fails replace the A6 spectrum analyzer assembly if the test passes continue with the next step 2 Check Option 001 DC CONTROL Outputs If the unit is equiped with the Option 001 Expand DC Control Voltage perform the following steps to con rm the Option 001 DC CONTROL Outputs If the unit is not ...

Page 148: ... A70 If it passes go to the Check DC POWER DC CONTROL Outputs 3 Bypass A70 If the unit is equiped with the Option 001 and failed the Check Option 001 DC CONTROL Outputs perform the following steps The DC CONTROL Expantion capability is eliminated because A70 DC O set Assembly is bypassed 1 Turn o the 4352B 2 Remove the top cover and the top shield plate from the 4352B 3 Unplug the K RF cable from ...

Page 149: ...ON off to turn the DC POWER output o 6 Remove the BNC connector from the DC POWER connector and connect the BNC cable to the DC CONTROL connector 7 Press 4DC Control5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CTRL VOLTAGE 425 405 4x15 to set the DC CONTROL voltage to 20 V Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OUTPUT on OFF to output the DC CONTROL source 8 Con rm that the multimeter reading...

Page 150: ... BUS MEAS on OFF to select the 24 A3 DC POWER c Press 4DC Power5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POWER VOLTAGE 405 4x15 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OUTPUT on OFF Con rm that the marker reading value on the upper right corner is 0 U 6 0 01 U Record the result pass or fail as RESULT 24 0 d Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN POWER VOLTAGE 415 455 4x15 Con rm that ...

Page 151: ...it fails go to the Check REF OSC on A6 If it passes there is no trouble found in the source group 7 Check REF OSC on A6 Perform the following steps to con rm the REF OSC on A6 which derives MOD OUT signal by using the DC BUS function 1 Press 4System5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MODES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 152: ...sing the 4352B service functions Therefore before performing these procedures verify the source group See the Overall Troubleshooting chapter Figure 8 1 shows a simpli ed block diagram of the receiver group The receiver group consists of the following assemblies A5 Second PLL A6 Spectrum Analyzer A7 Power Divider A8 RF Attenuator A9 Peak Detector A10 First Mixer A11 Thermometer A part of A3 A13 A6...

Page 153: ...up Block Diagram RECEIVER GROUP TROUBLESHOOTING SUMMARY This overview summarizes the sequence of checks included in this chapter The receiver group troubleshooting ow is shown in Figure 8 2 8 2 Receiver Group T roubleshooting ...

Page 154: ...Figure 8 2 Receiver Group Troubleshooting Flow Receiver Group T roubleshooting 8 3 ...

Page 155: ...e output spectrum is 10 MHz 2 5 dBm 6 1dB If it fails replace the A6 spectrum analyzer assembly If it fails replace the A6 spectrum analyzer assembly If it passes continue with the next step 2 Check A6 Spectrum Analyzer Perform the following steps to check the A6 spectrum analyzer by DC BUS FREQ BUS functions 1 Press 4Preset5 4System5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MENU NNNNNNNNNNN...

Page 156: ...US to 43 A6 FN LOOP VTUNE 10 Press NNNNNNNNNNNNNNNNNNNN RETURN NNNNNNNN A6 NNNNNNNNNNN PLL NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AUTO CTRL ON off to set AUTO CONTROL to OFF 11 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNN SPOT FREQ 405 4x15 to set the spot frequency to 0 Hz 12 Con rm that the marker reading value at the upper right corner is 6 0 2 U If it fails replace the A6 spectrum analyzer ...

Page 157: ... within the range of 45 mU to 65 mU If it fails replace the A6 spectrum analyzer assembly If it passes continue with the next step Note Remove the BNC cable from the 2nd IF Input connector and reconnect the BNC m BNC m Adapter between the 2nd IF Input and the 2nd IF Output connectors on the rear panel 21 Press 4Preset5 4System5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MENU NNNNNNNNNNNNNNNNNN...

Page 158: ...ing is OFF NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PLL OFST on OFF 3 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 2nd PLL DIVIDER 435 485 4x15 4 Con rm that the marker reading value at the upper right corner is 1 1875 U 6 0 0001 U If it fails replace the A5 2nd PLL assembly If it passes continue with the next step 5 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 2nd PLL DIV...

Page 159: ...to ON 21 Press NNNNNNNNNNN PLL NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AUTO CNTRL ON off to set the AUTO CONTROL to OFF 22 Press NNNNNNNNNNNNNNNNNNNNNNNNNNNNN SPOT FREQ 425 4 5 455 485 4M 5 to set the spot frequency to 2 58 MHz 23 Con rm that the marker reading value at the upper right corner is 2 000 U 6 0 0001 U If it fails replace the A5 2nd PLL assembly If it passes continue with...

Page 160: ...that the reading value is within 2 5 dBm 6 1 dB Record the result pass or fail as RESULT RF 3 Check FREQUENCY measurement a Press 4Meas5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNN FREQUENCY 4Sense Range5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FREQ RES 64 kHz b Con rm that the reading value is within 10 MHz 6 100 kHz Record the result pass or fail as RESULT FREQ 4 Check FM Deviation measurement a Pr...

Page 161: ...the next step 5 Check A11 Thermometer Perform the following steps to check that the A11 thermometer by using the DC BUS function 1 Press 4Preset5 4System5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MENU NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MODES NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BUS MEAS OFF NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DC BUS OFF 455 415 4x15 NNNNNNNNNNNNNNNN...

Page 162: ...ve the J labeled cable connected to the A5 Connect the BNC cable with the SMB m BNC f adapter between the J cable and the spectrum analyzer as shown in Figure 8 7 Figure 8 7 A10 Output Test Setup 2 5 Set the spectrum analyzer as follows CENTER 30 MHz Receiver Group T roubleshooting 8 11 ...

Page 163: ... 12 dBm LEVEL 0 2 dBm LEVEL 5 LEVEL 0 5 A 1 5 dB A 1 5 dB LEVEL 10 LEVEL 0 10 B 1 5 dB B 1 5 dB LEVEL 15 LEVEL 0 15 C 1 5 dB C 1 5 dB LEVEL 20 LEVEL 0 20 D 1 5 dB D 1 5 dB LEVEL 25 LEVEL 0 25 E 1 5 dB E 1 5 dB 9 Turn the 4352B power o 10 Disconnect the cable from the connector J and reconnect the cable J 11 Decide which assembly is faulty according to the following guideline If all tests pass cont...

Page 164: ...NNNNNNNNNNNNNNNNNNNNNNNNNN FM DETECTION NNNNNNNNNNNNNNNNNNNN 300 Hz NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LP FILTER 3kHz to set the lter bandwidth to the range between 300 Hz and 3 kHz 6 Con rm that the 4352B reading is within the range of 0 Hzrms to 3 Hzrms If it fails replace the A6 spectrum analyzer assembly If it passes continue with the next step 8 Check the Frequency Transient meas...

Page 165: ...ion to FREQUENCY TRANSIENT 3 Press 4Sense Range5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN RF TRANS MAX FREQ 435 405 4M 5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN RF TRANS MIN FREQ 415 405 4M 5 4Menu5 NNNNNNNNNNNNNNNNNNNN MARKER 4 Con rm that the reading value is 10 MHz 6 30 kHz If it fails replace the A5 2nd PLL assembly If it passes replace the A6 spectrum analyzer assem...

Page 166: ...s shown in Figure 9 1 The service menu is displayed by pressing 4System5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MENU The Bootloader menu is displayed by turning the analyzer power on while pressing 4DC Control5 and 4Preset5 Figure 9 1 Service Key Menus The service key menus allow you to perform the following functions Select and execute a built in diagnostic test The analyzer has 22 built ...

Page 167: ...ed information see the Bootloader Menu in this chapter When applicable the GPIB mnemonic is written in parentheses following the softkey using the following symbol conventions f g A necessary appendage numeric A necessary numerical appendage j A delimiter for applicable appendages For example fOFFjONj0j1jg means OFF ON 0 or 1 For more information about the GPIB commands see the 4352B GPIB Command ...

Page 168: ...WWWWWWWWWWWW TESTS Displays the tests menu For more information about the tests menu see the Tests Menu later in this chapter WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW SERVICE INSTRUMENT Only for use by factory personnel WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW SERVICE MODES DIAG SERV MODE OFF ON 0 1 Activates the service modes and displays the service...

Page 169: ...urrent rmware revision information The number and implementation date appear in the active entry area of the display as shown below d a 4352B REVN NN MON DD YEAR HH MM SS where N NN Revision Number MON DD YEAR Implementation Date Month Day Year HH MM SS Implementation Time Hour Minute Second 9 4 Service Key Menus ...

Page 170: ...reviation is displayed in the active entry area of the display For the test status see Figure 9 4 The diagnostic tests are numbered from 0 to 35 To select a test enter the desired test number using the numeric keypad 4 5 4 5 RPG knob or GPIB command DIAG TEST numeric Each softkey in the tests menu is described below Figure 9 3 Tests Menu WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW EXECUTE T...

Page 171: ...o return the analyzer to normal operation cycle the analyzer power o then on or press 4Preset5 Note While any test is being executed do not change any analyzer setting using the front panel keys the GPIB or the I BASIC program If the setting is changed during test execution the test result and the analyzer operation will be unreliable Test Status When selecting a test the test status abbreviation ...

Page 172: ...IL IP In progress BUSY ND Not done NDON DONE Done DONE The test status is stored in nonvolatile memory battery backup memory If the power to the nonvolatile memory is lost the analyzer will set all test status abbreviations to ND not done If a test is aborted by pressing any key during its execution the test status is unde ned Diagnostic Tests The analyzer has 22 built in diagnostic tests These te...

Page 173: ...raction All return a PASS or FAIL indication on the display Except as noted all are run during the power on self test and when 4Preset5 pressed 0 ALL INT Runs only when selected It consists of internal tests 1 4 If any of these tests fail this test displays the FAIL status indication Use the RPG knob to scroll through the tests to see which test failed If all pass the test displays the PASS status...

Page 174: ...oltages at DC bus nodes 1 through 12 It checks that each measured value is within limits 5 through 10 N A These numbers are not assigned for tests NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN EXTERNAL TESTS This group of tests requires either external equipment and connections or operator interaction to run These tests are used in the Troubleshooting chapter 11 FRONT P ANEL DIAG Checks the RPG...

Page 175: ...escription of the test patterns Note Do NOT press any keys except softkey 8 on the bottom while the test pattern is being executed If you do you CANNOT quit the test pattern that is you can quit the test pattern only when the analyzer is turned OFF 21 TEST P ATTERN 1 All Black This pattern is used to verify the color purity of the LCD Display 22 TEST P ATTERN 2 All White This pattern is used to ve...

Page 176: ...ach softkey in the service modes menu is described below Figure 9 6 Service Modes Menu WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW BUS MEAS ON Displays the Bus Measurement Menu See the Bus Measurement Menu in this chapter WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW MISC MENU Displays the Miscellaneous Menu See the Miscellaneous Menu in this chapter WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

Page 177: ... to check the circuit operation by monitoring the circuit signal without accessing the inside of the analyzer Correction Constants On O allows you to turn one or more of the corrections on o A2 A8 allows you to control the internal circuit settings in the A8 input attenuator and to see the power fail status on the A2 post regulator A3 A13 allows you to control the internal circuit settings in the ...

Page 178: ...WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW BUS MEAS ON off DIAG SERV BUS STAT ON OFF 1 0 Toggles the bus measurement on and o After pressing this softkey the menu changes to NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN BUS MEAS on OFF and the measured value of the bus measurement is displayed WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW DC BUS FAN PWR DIAG SERV BUS DC numeric Allo...

Page 179: ...are connected to the frequency bus timer in the A1 CPU through the frequency bus Each of the DC bus nodes and the frequency bus nodes is described in the DC Bus Nodes and Frequency Bus Nodes in this section Bus Measurement Procedure Use this procedure to perform the bus measurement 1 Press 4Preset5 to initialize the analyzer 2 Press 4System5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SERVICE MENU NNNN...

Page 180: ...pplied to the A2 post regulator The typical trace is at at approximately 2 025 U 610 2 A2 015 V 01 92 U This node is located on the A2 post regulator and detects the voltage of the 5 V AUX power supplied to the analog boards The typical trace is at at approximately 01 92 U 610 3 A2 012 6 V 02 124 U This node is located on the A2 post regulator and detects the voltage of the 012 6 V power supplied ...

Page 181: ...10 12 A2 65 V 2 0605 U This node is not connected to the DC Bus 13 through 19 Not Assigned These nodes are not assigned 20 A3 20VB This note is located on the A3 A13 source and detects the voltage of the 20 V supplied from DC DC Converter The typical trace is at at approximately 2 0 U 610 21 A3 05VB This node is located on the A3 A13 source and detects the voltage of the 05 V supplied from DC DC C...

Page 182: ...ter The typical trace is at at approximately 200 mU 610 41 A6 REF LOOP VTUNE This node is located on the A6 spectrum analyzer and detects the tuning voltage of the reference oscillator The typical trace is at at approximately 1 1 U 610 42 A6 FIXED PLL VTUNE This node is located on the A6 spectrum analyzer and detects the tuning voltage of the 4th local oscillator xed PLL The typical trace is at at...

Page 183: ... CONVERTER This node is located on A5 second PLL and measures the frequency input to the FV converter 4 through 9 Not Assigned These notes are not assigned 10 A6 SAMPLE HOLD This node is located in the A6 spectrum analyzer and measures the frequency of the sampling hold signal The typical trace is at at approximately 80 mU 610 11 A6 FM FREQ This node is located on the A6 spectrum analyzer and meas...

Page 184: ...N SERVICE MODES and NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CORRECTION CONSTANTS Each softkey in the correction constants menu is described below Figure 9 8 Correction Constants Menu WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW XTAL FILT ON off Toggles the crystal lter frequency response correction on and o This correction constant data is updated when p...

Page 185: ... RF Power Linearity correction on and o This correction constant data is updated when performing RF Power Linearity Correction Constants WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW POW TEMP ON off Toggles the RF Power Temperature correction on and o This correction constant data is updated when performing RF Power Linearity Correction Constants WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW...

Page 186: ...ust be turned to on except when checking the analog circuits Note The analyzer stores the above correction constants in the EEPROM on the A1 CPU It uses them to control the internal circuits and to achieve optimum performance by compensating for errors due to circuit characteristics Service Key Menus 9 21 ...

Page 187: ... allows you to control the A8 RF Attenuator setting This is equal to the control of NNNNNNNNNNNNNNNNNNNNNNNNNN RF ATTEN under 4Sense Range5 key You can set one of these attenuation values 0 dB 5 dB 10 dB 15 dB 20 dB and 25 dB by selecting the softkey WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW POW FAIL LOCATION Displays the power fail location address on the A2 post regul...

Page 188: ...NNNNNNNNNNNNNNNNNNNNNNNNN DC POW DAC sets the DAC value for DC POWER output level NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DC CTRL DAC1 sets the DAC value to a coarse level setting for DC CONTROL output NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN DC CTRL DAC2 sets the DAC value to a ne level setting for DC CONTROL output NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN LOW NOISE on OFF toggles the low ...

Page 189: ... nodes which outputs from the A3 A13 to the A6 spectrum analyzer NNNNNNNNNNNNNNNNNNNN RF POW RF POWER signal from A9 NNNNNNNNNNNNNN TEMP Thermometer value from A11 NNNNNNNNNNNNNNNNNNNNNNN DCI POW DC POWER Current NNNNNNNNNNNNNNNNNNNNNNNNNN DCI CTRL DC CONTROL Current NNNNNNNN FV FV Converter output from A5 NNNNNNNNNNNNNNNNNNNNNNN MOD OUT MOD OUT signal WWWWWWWWWWWWWWWWWWWWWWWWWW STATUS Displays th...

Page 190: ...oop mode NNNNNNNNNNNNNNNNNNNNNNN PLL BW sets the 2nd PLL bandwidth to narrow mode or wide mode NNNNNNNNNNNNNNNNNNNNNNNNNN PLL REF assign the xed signal or 1st IF signal as the reference signals of 2nd PLL NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN PLL OFST on OFF sets the 2nd PLL o sets lock mode to on and o NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN UNLK MASK on OFF sets the 2nd PLL ...

Page 191: ...ignal for FM DEV CAL function from A6 NNNNNNNNNNNNNNNNNNNN FV CAL NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FV DIVIDER sets the FV Divider value NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN FV DIV MOD on OFF sets the FV DIV MOD switch ON OFF NNNNNNNNNNNNNNNNNNNNNNNNNN FV RANGE sets the FM Deviation Range to 2 kHz NNNNNNNNNNNNNN 2kHz 20 kHz NNNNNNNNNNNNNNNNN 20kHz 200 kHz NNNNNNNNNNNNNNNNNNNN 200kH...

Page 192: ...WWWWWWWWWW ATTEN AMP Displays the control menu that allows you to select the input attenuator special ampli er of the A6 spectrum analyzer Assembly You can select one of the following attenuator special ampli er ATT 0 dB 10 dB 20 dB 30 dB 40 dB and AMP 30 dB The input attenuator is equal to the attenuator of NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN NOISE ATTEN under 4Sense Range5 when Phase Noise Spect...

Page 193: ...ermines the 3rd Local frequency generated by FRAC N OSC 3rd LO SPORT FREQ 21 42 MHz NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AUTO CTRL ON off toggles the internal frequency sweep on and o even if the DC BUS node is tested NNNNNNNNNNNNNNNNN TIMER Sets the timer value for the A D Converter WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW FV CALOUT on OFF Toggles the FV CAL...

Page 194: ... Installation in Post Repair Procedures chapter After pressing this softkey NNNNNNNNNNNNNNNNNNNNNNNNNN CONTINUE and NNNNNNNNNNNNNNNNNNNN CANCEL softkeys appear on the display Press NNNNNNNNNNNNNNNNNNNNNNNNNN CONTINUE to continue the rmware installation Press NNNNNNNNNNNNNNNNNNNN CANCEL to cancel the rmware installation WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW SYSTEM BACKUP Displays t...

Page 195: ...NNNNNNNNNNNNNNNNNNN CONTINUE continues making the system backup Before pressing this softkey insert a disk into the FDD on the front panel NNNNNNNNNNNNNNNNNNNN CANCEL stops making the system backup and returns to the Bootloader menu WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW PREVIEW DISK Displays the revision information of the rmware stored in the rmware disk as shown below Before pressin...

Page 196: ...errelated to some extent and a ect each other s performance Power Supply The power supply functional group consists of the A40 preregulator A50 DC DC Converter and the A2 post regulator It supplies power to the other assemblies in the analyzer Digital Control The digital control group consists of the A1 CPU the A17 24 bit I O Port the A30 keyboard the A31 I O connector the A32 Instrument BASIC int...

Page 197: ...s and provides the follwing six power supply voltages 5 VD 7 8 V 7 8 V 18 V 18 V and 24 V The 5 VD 5 V digital supply is fully regulated in A50 and is directly supplied to the A1 CPU The other ve power supplies are preregulated in A50 and go to the A2 post regulator for nal regulation A50 receives the FAN LOCK signal from the fan through the A20 motherboard and the A2 post regulator The A2 post re...

Page 198: ...Figure 10 1 Power Supply Functional Group Simpli ed Block Diagram Theory of Operation 10 3 ...

Page 199: ...e than 125mW If it is not the other preregulated voltages in the A50 DC DC converter will not be correct Switching Regulator 1 Switching regulator 1 converts the 24 V to the regulated 5 VD digital supply The 5 VD goes directly to the A1 CPU Switching Regulator 2 Switching preregulator 2 converts the 24 V to four DC voltages 7 8 V 07 8 V 18 V 018 V The voltages are routed to the A2 post regulator f...

Page 200: ...m the 018 V supply from A50 It powers analog assemblies The A2 post regulator is equipped with a protective shutdown circuit The A2 post regulator provides two LED arrays visible at the top edge of the A2 post regulator Each LED array consists of four LEDs and indicates the status of the seven power supplies Shutdown Circuit Four regulators for power supplies 15 V 5 V 05 V and 015 V are equipped w...

Page 201: ...it for the A8 RF attenuator The circuit decodes the control signal from the A1 CPU and generates the following TTL signals A8 input attenuator drive signals 5 dB ON OFF 10 dB ON OFF 15 dB ON OFF 20 dB ON OFF 25 dB ON OFF These signals are supplied to A8 through the A20 motherboard 10 6 Theory of Operation ...

Page 202: ... I BASIC Interface A51 GSP A52 LCD A53 FDD Flexible Disk Drive These assemblies combine to provide digital control for the analyzer They provide math processing functions as well as communications between the analyzer and an external controller and or peripherals Figure 10 3 is a simpli ed block diagram of the digital control functional group Theory of Operation 10 7 ...

Page 203: ...Figure 10 3 Digital Control Group Simpli ed Block Diagram 10 8 Theory of Operation ...

Page 204: ...anel keyboard Audio Interface controls the beeper on the A30 front panel keyboard FDD Control controls the A53 FDD GPIB Control communicates with the external GPIB devices through the GPIB connector on the A31 I O connector mini DIN Control interfaces between the CPU and the external keyboard through the mini DIN connector on the A32 I BASIC Interface I O Control controls external devices through ...

Page 205: ... voltages 5 VD which is used for data processing and converted to 3 3 V and 15 V which is passed on the A54 Inverter The 3 3 V goes to the A52 LCD A54 Inverter The A54 Inverter is located in the LCD module on the front panel assembly The A54 receives 15 V from A1 CPU and provides a high voltage 800 to 1000 VAC to the backlight of the LCD A52 LCD Liquid Crystal Display The A52 LCD is a 8 4 TFT Colo...

Page 206: ...analog assembly is only A13 A3 A13 Source consists of the DC POWER Source the DC CONTROL Source and the MOD OUT Source The DC POWER Source which includes a 12 bit D A converter generates the dc voltage from 0 V to 16 V with 1 mV resolution at the DC POWER connector through A60 DC Source LPF The DC CONTROL Source which includes two D A converters 16 bit DAC ne setting and 12 bit DAC coarse setting ...

Page 207: ...C N RATIO DC POWER CURRENT PHASE NOISE RF TRANSIENT SPECTRUM and FM DEVIATION See Figure 10 5 Figure 10 5 Receiver Group Simpli ed Block Diagram The receiver group consists of the following assemblies A5 Second PLL A6 Spectrum Analyzer A7 Power Divider A8 RF Attenuator A9 Peak Detector A10 First Mixer A11 Thermometer A part of A3 A13 Source as an ammeter multiplexer 10 12 Theory of Operation ...

Page 208: ... RF Attenuator The A8 RF attenuator is a 5 dB step attenuator 0 dB to 25 dB A8 is used to control the input signal level to the rst mixer in the A10 The A8 setting can be controlled from the front panel directly A9 Peak Detector The A9 Peak Detector is used to detect the RF input power level for RF Power measurement The A9 is also used to check if there is the signal under test at the RF IN connec...

Page 209: ...ector with the A11 Thermometer reading value A part of A3 A13 A60 The A3 A13 A60 not only generates the DC POWER DC VOLTAGE MOD OUT outputs but also monitors the current of the DC POWER output The A13 also contains a mutiplexer which selects one of several nodes to the A6 Spectrum Analyzer in accordance with the measurement item 10 14 Theory of Operation ...

Page 210: ...rest Agilent Technologies o ce Direct Mail Order System Within the USA Agilent Technologies can supply parts through a direct mail order system Advantages of using this system are 1 Direct ordering and shipment from the Agilent Technologies Parts Center in Mountain View California 2 No maximum or minimum on any mail order there is a minimum order amount for parts ordered through a local Agilent Te...

Page 211: ...t number Table 11 1 Manufacturers Code List Mfr Name Location Zipcode 00779 AMP INC HARRISBURG PA US 17111 06369 HIROSE ELECTRIC CO JP 06691 HOUSE OF METRICS LTD SPRING VALLEY NY US 10977 08747 KITAGAWA KOGYO TOKYO JP 09635 TAJIMI MUSEN TOKYO JP 10572 XICOR INC MILPITAS CA 12085 SCHLEGEL CORP ROCHESTER NY US 14692 13160 TEAC OF AMERICA INC MONTEBELLO CA US 90640 28480 AGILENT TECHNOLOGIES CO CORPO...

Page 212: ...eter ENCAP encapsulated PP peak to peak EXT external PT point F farads PWV peak working voltage f femto RECT recti er FH at head RF radio frequency FIL H llister head RH round head or right hand FXD xed RMO rack mount only G giga RMS root mean square GE germanium RWV reverse working voltage GL glass S B slow blow GRD ground ed SCR screw H henries SE selenium HEX hexagonal SECT section s HG mercury...

Page 213: ...2 A3 04352 66503 5 1 Connector Board 28480 04352 66503 A13 04352 66513 7 1 DC FM Source Board 28480 04352 66513 A17 04351 66517 0 1 24 Bit I O Board 28480 04351 66517 A5 04352 66515 9 1 Receiver Board 28480 04352 66515 A6 04352 66506 8 1 Spe Ana Section Board 28480 04352 66506 A60 04352 66560 4 1 Output Filter 28480 04352 66560 A40 0950 3246 7 1 Preregulator 28480 0950 3246 A70 04352 66540 0 1 DC ...

Page 214: ...1636B 1 1 Power Divider 28480 11636B A8 0955 1008 5 1 Step ATT 28480 0955 1008 A9 8471E 004 8 1 Peak Detector 28480 8471E 004 0955 0971 9 1 ATT 28480 0955 0971 A10 04352 66516 0 1 1st Mixer Board 28480 04352 66516 A11 04352 61621 8 1 Thermometer 28480 04352 61621 A20 04396 66520 8 1 Motherboard 28480 04396 66520 A53 0950 3208 1 1 FDD 28480 0950 3208 Replaceable Parts 11 5 ...

Page 215: ... C D Qty Description Mfr Code Mfr Part Number 1 04352 00222 7 1 Panel Sub 28480 04352 00222 2 1250 0252 6 3 CONN RF BNC 28480 1250 0252 3 5040 3325 9 3 Insulator BNC 28480 5040 3325 4 5040 3324 8 3 Insulator BNC 28480 5040 3324 5 2950 0035 8 3 NUT HEX DBL CHAM 28480 2950 0035 11 6 Replaceable Parts ...

Page 216: ...sembly Parts 2 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04351 61611 5 1 RF CBL ASSY 28480 04351 61611 2 04351 61614 8 1 RF CBL ASSY 28480 04351 61614 3 04351 61612 6 1 RF CBL ASSY 28480 04351 61612 Replaceable Parts 11 7 ...

Page 217: ... Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E4970 25001 7 1 Filter 28480 E4970 25001 2 04396 40071 0 1 Bezel Back 28480 04396 40071 3 3050 0891 7 2 Washer M3 28480 3050 0891 3 0515 1550 0 2 SCR M3 L 8 P H 28480 0515 1550 11 8 Replaceable Parts ...

Page 218: ... Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04286 40001 3 1 Guide 28480 04286 40001 2 04352 25051 2 1 Rubber Key 28480 04352 25051 3 04352 66530 8 1 A30 Front Keyboard 28480 04352 66530 4 0515 1550 0 8 SCR M3 L 8 P H 28480 0515 1550 Replaceable Parts 11 9 ...

Page 219: ...Mfr Code Mfr Part Number 1 E4970 04002 3 1 Cover 28480 E4970 04002 2 E4970 25002 8 1 Insulator 28480 E4970 25002 3 0950 2924 6 1 A54 Inverter Board 28480 0950 2924 4 0515 0977 3 2 SCR MACH M2X0 4 28480 0515 0977 5 04396 61709 5 1 Cable Assy 28480 04396 61709 6 0400 0010 2 1 Gromet 28480 0400 0010 11 10 Replaceable Parts ...

Page 220: ...y Parts 6 Table 11 10 Front Assembly Parts 6 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 2090 0574 7 1 A52 LCD 28480 2090 0574 2 04396 25071 8 1 Gasket 28480 04396 25071 Replaceable Parts 11 11 ...

Page 221: ...s 7 Table 11 11 Front Assembly Parts 7 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E4970 66539 2 1 LCD MINI BD 28480 E4970 66539 2 0515 1550 0 4 SCR M3 L 8 P H 28480 0515 1550 11 12 Replaceable Parts ...

Page 222: ...s 8 Table 11 12 Front Assembly Parts 8 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 0515 1550 0 1 SCR M3 L 8 P H 28480 0515 1550 2 E4970 61651 9 1 FLAT CBL FFC 28480 E4970 61651 Replaceable Parts 11 13 ...

Page 223: ...11 11 Front Assembly Parts 9 Table 11 13 Front Assembly Parts 9 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 0515 1550 0 2 SCR M3 L 8 P H 28480 0515 1550 11 14 Replaceable Parts ...

Page 224: ...C D Qty Description Mfr Code Mfr Part Number 1 1250 0252 6 6 CONN RF BNC 28480 1250 0252 2 2190 0102 8 4 WSHR LK INTL T 28480 2190 0102 3 2950 0035 8 6 NUT HEX DBL CHAM 28480 2950 0035 4 5040 3325 9 2 Insulator BNC 28480 5040 3325 5 5040 3324 8 2 Insulator BNC 28480 5040 3324 Replaceable Parts 11 15 ...

Page 225: ...96 61633 4 1 RF CBL ASSY 28480 04396 61633 2 04396 61634 5 1 RF CBL ASSY 28480 04396 61634 3 04352 61614 9 1 RF CBL ASSY 28480 04352 61614 4 04351 61622 8 1 RF CBL ASSY 28480 04351 61622 5 04352 61618 3 1 RF CBL ASSY 28480 04352 61618 6 04396 61635 6 1 RF CBL ASSY 28480 04396 61635 7 1400 1334 6 1 Clamp Cable 28480 1400 1334 11 16 Replaceable Parts ...

Page 226: ...ef Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04396 61001 0 1 Fan ASSY 28480 04396 61001 2 0515 1598 6 4 SCR SKT Head 28480 0515 1598 3 2190 0586 2 4 WSHR LK HLCL 28480 2190 0586 4 3050 0893 9 4 WSHR FL 28480 3050 0893 Replaceable Parts 11 17 ...

Page 227: ... Qty Description Mfr Code Mfr Part Number 1 E4970 66534 7 1 A31 Ext I O Connector 28480 E4970 66534 2 1251 7812 0 4 Jackscrew 28480 1251 7812 3 0380 0644 4 2 STDF HEX M FEM 28480 0380 0644 4 2190 0577 1 2 WSHR LK HLCL 28480 2190 0577 5 0515 1550 0 2 SCR M3 L 8 P H 28480 0515 1550 11 18 Replaceable Parts ...

Page 228: ...ty Description Mfr Code Mfr Part Number 1 E4970 66532 5 1 A32 IBASIC I F Board 28480 E4970 66532 2 3050 1546 1 1 Washer Flat NM 28480 3050 1546 3 2190 0054 9 1 WSHR LK INTL T 28480 2190 0054 4 2950 0054 1 1 NUT HEX DBL CHAM 28480 2950 0054 5 1251 7812 0 2 Jackscrew 28480 1251 7812 Replaceable Parts 11 19 ...

Page 229: ... Rear Assembly Parts 6 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 1252 6951 2110 0030 2110 1134 8 3 0 1 1 1 AC Inlet Fuse 5A 250V Fuse Drawer 28480 28480 28480 1252 6951 2110 0030 2110 1134 11 20 Replaceable Parts ...

Page 230: ...ig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E5100 61640 6 1 Wire ASSY GND 28480 E5100 61640 2 04396 61706 2 1 Cable ASSY 28480 04396 61706 3 1400 0611 0 1 Clamp Cable 28480 1400 0611 4 04396 61682 3 1 Wire ASSY 28480 04396 61682 Replaceable Parts 11 21 ...

Page 231: ...T RF N SMA 28480 1250 2312 3 2190 0104 0 1 WSHR LK INTL T 28480 2190 0104 4 2950 0132 6 1 NUT HEX DUB CHAM 28480 2950 0132 5 11636B 1 1 A7 Power Divider 28480 11636B 6 1250 1159 4 2 ADPTR COAX STR 28480 1250 1159 7 0955 1008 5 1 A8 Step ATT 28480 0955 1008 8 0515 1550 0 4 SCR M3 L 8 P H 28480 0515 1550 9 0955 0971 9 1 ATT 28480 0955 0971 10 8471E 004 8 1 A9 Peak Detector 28480 8471E 004 11 22 Repl...

Page 232: ...ard 2 Table 11 22 1st Mixer Board 2 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04352 61622 9 1 Cable ASSY 28480 04352 61622 2 04352 61623 0 1 Wire ASSY 28480 04352 61623 Replaceable Parts 11 23 ...

Page 233: ...gilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04396 61701 7 1 Cable ASSY 28480 04396 61701 2 04396 01274 3 1 Holder 28480 04396 01274 3 0515 0999 9 2 M2 5X0 45 L 6 FL 28480 0515 0999 4 5041 0564 4 1 KEY Q CORP WHT 28480 5041 0564 11 24 Replaceable Parts ...

Page 234: ...fr Part Number 1 04396 60071 2 1 Chassis ASSY 28480 04396 60071 2 5021 5837 2 2 STRUT COR 497 8D 28480 5021 5837 3 0515 1719 3 8 SCR M4X10 28480 0515 1719 4 5022 1190 4 1 Front Frame221 5 28480 5022 1190 5 5021 5808 7 1 RR FR 221 5XFM 28480 5021 5808 6 0515 1668 1 8 SCR MTRC SPCLY 28480 0515 1668 Replaceable Parts 11 25 ...

Page 235: ... C D Qty Description Mfr Code Mfr Part Number 1 5021 5837 2 2 STRUT COR 497 8D 28480 5021 5837 2 0515 1668 1 8 SCR MTRC SPCLY 28480 0515 1668 3 0515 2079 0 4 SCR M4X8 28480 0515 2079 4 0515 1718 2 2 SCR M4X12 28480 0515 1718 5 0515 0868 1 2 SCR M4X16 28480 0515 0868 11 26 Replaceable Parts ...

Page 236: ...ion Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 see Figure 11 19 2 0515 1550 0 4 SCR M3 L 8 P H 28480 0515 1550 3 04352 61601 4 1 RF CBL ASSY SRGD 28480 04352 61601 3 04352 61612 7 1 RF CBL ASSY 28480 04352 61612 Replaceable Parts 11 27 ...

Page 237: ...e Mfr Part Number 1 04396 01275 4 1 Angle 28480 04396 01275 2 04396 25004 7 1 Sponge 28480 04396 25004 3 0950 3208 0 1 A53 FDD 28480 0950 3208 4 04396 61651 6 1 Flat CBL ASSY 28480 04396 61651 5 04396 61672 1 1 Wire ASSY 28480 04396 61672 6 0515 0914 8 4 SCR MACH M3X0 5 28480 0515 0914 11 28 Replaceable Parts ...

Page 238: ... Mfr Part Number 1 04396 66520 8 1 A20 Motherboard 28480 04396 66520 2 04396 61661 8 1 CA ASSY Flat 100 28480 04396 61661 3 0515 1550 0 14 SCR M3 L 8 P H 28480 0515 1550 5 04352 61613 8 1 RF CBL ASSY 28480 04352 61613 6 04352 61621 8 1 Wire ASSY 28480 04352 61621 7 04352 61615 0 1 RF CBL ASSY 28480 04352 61615 Replaceable Parts 11 29 ...

Page 239: ... Description Mfr Code Mfr Part Number 1 E4970 66501 5 1 A1 CPU Board 28480 E4970 66501 2 04396 61661 8 1 CA ASSY Flat 100 28480 04396 61661 3 04396 61671 0 1 Wire ASSY 28480 04396 61671 4 04396 61662 9 1 CA ASSY Flat 40 28480 04396 61662 5 0515 1550 0 13 SCR M3 L 8 P H 28480 0515 1550 11 30 Replaceable Parts ...

Page 240: ...le Edge Table 11 30 Saddle Edge Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 1400 1048 9 3 Saddle Edge 28480 1400 1048 2 1400 2198 2 3 Saddle Edge 28480 1400 2198 Replaceable Parts 11 31 ...

Page 241: ...egulator Installation Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 0950 3246 7 1 A40 Preregulator 28480 0950 3246 2 04396 61671 0 1 Wire ASSY 28480 04396 61671 3 0515 1719 3 3 SCR M4X10 28480 0515 1719 11 32 Replaceable Parts ...

Page 242: ... Converter Installation Table 11 32 DC DC Converter Installation Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E4970 66550 3 1 A50 DC DC Converter 28480 E4970 66550 Replaceable Parts 11 33 ...

Page 243: ...1 Front Panel Installation Table 11 33 Front Panel Installation Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 2 0515 0889 6 10 SCR MACH M3 5X 6 28480 0515 0889 11 34 Replaceable Parts ...

Page 244: ...Figure 11 32 Troidal Core Table 11 34 Troidal Core Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 1400 1334 6 3 Clamp Cable 28480 1400 1334 Replaceable Parts 11 35 ...

Page 245: ...91 08000 0 1 Spring 28480 04191 08000 2 04352 00221 6 1 Panel Front 28480 04352 00221 3 04396 40051 6 1 Bezel 28480 04396 40051 4 04352 87121 7 1 Label Front 28480 04352 87121 5 5182 7522 6 1 RPG Knob 28480 5182 7522 6 5041 9173 9 2 SIDE TRIM 221 5 28480 5041 9173 7 5041 9176 2 1 Trim Strip 28480 5041 9176 11 36 Replaceable Parts ...

Page 246: ...f Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 2 1400 1391 5 2 Clamp Cable 28480 1400 1391 3 1400 0611 0 1 Clamp Cable 28480 1400 0611 4 0400 0276 2 1 GROM RND 28480 0400 0276 5 04396 61662 9 1 CA ASSY FLAT 40 28480 04396 61662 Replaceable Parts 11 37 ...

Page 247: ... 5002 3989 2 5063 9210 1 2 Strap Handle 28480 5063 9210 3 5041 9186 4 2 Strap Handle FRT 28480 5041 9186 4 5041 9187 5 2 Strap Handle Rear 28480 5041 9187 5 0515 1132 4 4 SCR MACH M5X0 8 28480 0515 1132 6 5002 1088 7 1 Cover Bottom 28480 5002 1088 7 1460 1345 5 2 Wireform 28480 1460 1345 8 5041 9167 1 4 Foot FL 28480 5041 9167 11 38 Replaceable Parts ...

Page 248: ...rd ASSY Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04352 66513 7 1 A13 DC FM Source Board 28480 04352 66513 2 04352 66503 5 1 A3 Connector Board 28480 04352 66503 3 0515 1550 0 4 SCR M3 L 8 P H 28480 0515 1550 Replaceable Parts 11 39 ...

Page 249: ...DC FM Source Board Installation Table 11 39 DC FM Source Board Installation Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 0515 2079 0 2 SCR M4X8 28480 0515 2079 11 40 Replaceable Parts ...

Page 250: ...ion Table 11 40 GSP Board Installation Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E4970 66552 4 2 A51 GSP Board 28480 E4970 66552 2 04396 61707 3 2 Cable ASSY 28480 04396 61707 Replaceable Parts 11 41 ...

Page 251: ...lator Installation Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04396 66542 6 1 A2 Post Regulator 28480 04396 66542 2 04396 61674 3 1 Wire ASSY 28480 04396 61674 3 0515 1550 0 3 SCR M3 L 8 P H 28480 0515 1550 11 42 Replaceable Parts ...

Page 252: ...d Spe Ana Board Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04352 66515 7 1 A5 Receiver Board 28480 04352 66515 2 04352 66506 8 1 A6 Spe Ana Section Board 28480 04352 66506 3 04396 61626 5 1 RF CBL ASSY 28480 04396 61626 Replaceable Parts 11 43 ...

Page 253: ...les Table 11 43 Cables Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04352 61611 6 1 RF CBL ASSY 28480 04352 61611 2 04351 61618 2 1 RF CBL ASSY 28480 04351 61618 11 44 Replaceable Parts ...

Page 254: ...Qty Description Mfr Code Mfr Part Number 1 04352 66560 4 1 A60 Output Filter 28480 04352 66560 2 04352 61616 1 1 Cable RF 28480 04352 61616 3 04352 61617 2 1 Cable RF 28480 04352 61617 4 0515 1550 0 1 SCR M3 L 8 P H 28480 0515 1550 5 1400 1391 5 3 Clamp Cable 28480 1400 1391 Replaceable Parts 11 45 ...

Page 255: ...480 04352 66560 2 04352 61631 0 1 RF FIEX COAX 28480 04352 61631 3 04352 61617 2 1 Cable RF 28480 04352 61617 4 0515 1550 0 1 SCR M3 L 8 P H 28480 0515 1550 5 1400 1391 5 3 Clamp Cable 28480 1400 1391 6 04352 66540 0 1 A70 DC O set Option 001 only 28480 04352 66540 7 04352 61632 1 1 RF FLEX COAX 28480 04352 61632 8 0515 2079 0 2 SCR M4X8 28480 0515 2079 11 46 Replaceable Parts ...

Page 256: ...rd Table 11 46 24 Bit I O Board Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04351 66517 0 1 A17 24 Bit I O Board 28480 04351 66517 2 0515 2079 0 2 SCR M4X8 28480 0515 2079 Replaceable Parts 11 47 ...

Page 257: ...ld Plate Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 04352 00621 0 1 Shield Top 28480 04352 00621 2 0515 0914 8 15 SCR MACH M3X0 5 28480 0515 0914 3 0515 0913 7 4 SCR MACH M4X0 7 28480 0515 0913 11 48 Replaceable Parts ...

Page 258: ...Figure 11 46 BNC BNC Adapter Table 11 48 BNC BNC Adapter Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 1250 1859 1 1 ADPTER COAX 28480 1250 1859 Replaceable Parts 11 49 ...

Page 259: ...op Covers Foot Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 5002 1047 8 1 Cover Top 28480 5002 1047 2 5041 9188 6 4 Foot Rear 28480 5041 9188 3 0515 1232 1 4 SCR MACH M3 5 28480 0515 1232 11 50 Replaceable Parts ...

Page 260: ...y following the replacement When you replace an assembly or the EEPROM on the A1 CPU perform the adjustments and updating correction constants CC listed in Table 12 1 Then perform the operational veri cations and performance veri cations listed in Table 12 1 For the detailed procedure of the adjustments and updating correction constants see the Adjustments and Correction Constants Chapter For deta...

Page 261: ...ion Test Spectrum Measurement CC DC Power Voltage DC Control Voltage MOD OUT Level Accuracy DC Power Current Spectrum Measurement Relative Level Accuracy Frequency Transient Frequency Accuracy A2 Postregulator A50 DC DC Converter None INSPECT THE POWER ON SEQUENCE 2 Internal Test 4 A2 POST REGULATOR4 A5 2nd PLL FV Converter CC INSPECT THE POWER ON SEQUENCE 2 Spectrum Measurement CC Frequency Measu...

Page 262: ...nt Accuracy C N Meas Accuracy Flatness A8 RF Attenuator RF Power CC INSPECT THE POWER ON SEQUENCE 1 Spectrum Measurement CC RF Power Measurement Accuracy C N Meas Accuracy Flatness A9 Peak Detector RF Power CC INSPECT THE POWER ON SEQUENCE 1 Spectrum Measurement CC RF Power Measurement Accuracy A10 1st Mixer RF Power CC INSPECT THE POWER ON SEQUENCE 1 Spectrum Measurement CC Frequency Measurement ...

Page 263: ...1 Check the A32 I BASIC Interface and mini DIN keyboard2 A40 Pre Regulator None INSPECT THE POWER ON SEQUENCE 1 Internal Test 4 A2 POST REGULATOR3 A51 GSP Display Background INSPECT THE POWER ON SEQUENCE 1 Internal Test 3 GSP2 A52 LCD Vertical Position and Focus if needed INSPECT THE POWER ON SEQUENCE 1 Display Background A53 FDD None INSPECT THE POWER ON SEQUENCE 1 External Test 12 DSK DR FAULTY ...

Page 264: ...be di erent than those documented in this manual Later instrument versions will be documented in a manual changes supplement that will accompany the manual shipped with that instrument If your instrument s serial number is not listed on the title page of this manual or in Table A 1 it may be documented in a yellow MANUAL CHANGES supplement Turn on the line switch or execute the IDN command by GPIB...

Page 265: ...nt Assembly Parts 5 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E4970 04002 3 1 Cover 28480 E4970 04002 2 E4970 25002 8 1 Insulator 28480 E4970 25002 3 0950 2924 6 1 A54 Inverter Board 28480 0950 2924 4 0515 0977 3 2 SCR MACH M2X0 4 28480 0515 0977 A 2 Manual Changes ...

Page 266: ...able A 4 Front Assembly Parts 6 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 Not Available 7 1 A52 LCD See Service Note 4352B 1 28480 2090 0574 2 04396 25071 8 1 Gasket 28480 04396 25071 Manual Changes A 3 ...

Page 267: ...sembly Parts 7 Ref Desig Agilent Part Number C D Qty Description Mfr Code Mfr Part Number 1 E4970 61651 4 1 Flex PCBD ASSY 28480 E4970 61651 2 04396 61709 5 1 Cable ASSY 28480 04396 61709 3 0515 1550 0 4 SCR M3 L 8 P H 28480 0515 1550 A 4 Manual Changes ...

Page 268: ...ten character serial number that is stamped on the serial number plate see Figure A 4 attached to the rear panel The rst ve digits and the letter are the serial pre x and the last ve digits are the su x Figure A 4 Serial Number Plate Manual Changes A 5 ...

Page 269: ......

Page 270: ... 0030 Time Delay For ordering the fuse contact your nearest Agilent Technologies Sales and Service O ce Lever a small minus screwdriver to dismount the fuse holder above the AC line receptacle on the rear panel To check or replace the fuse pull the fuse holder and remove the fuse To reinstall the fuse insert a fuse with the proper rating into the fuse holder Power Requirement B 1 ...

Page 271: ...ble When connected to an appropriate ac power outlet this cable grounds the instrument frame The type of power cable shipped with each instrument depends on the country of destination Refer to Figure B 1 for the part numbers of the power cables available Warning For protection from electrical shock the power cable ground must not be defeated The power plug must be plugged into an outlet that provi...

Page 272: ...Figure B 1 Power Cable Supplied Power Requirement B 3 ...

Page 273: ......

Page 274: ...for information only and do not indicate an error condition The messages are listed rst in alphabetical order because the displayed messages do not contain the message number The messages are then listed in numerical order to make them easier to nd if they are read over the GPIB In addition to error messages The 4352B s status is indicated by status notations in the left margin of the display Exam...

Page 275: ...on was ON and the target frequency was 50 MHz or less Set the acceptable frequency deviation to 4 or less of the target frequency 81 2nd PLL Unlocked The 4352B s internal 2nd PLL cannot be locked If this message is displayed during a C N ratio measurement or a phase noise measurement the following problems and the corrective action are shown below The DUT s noise level is too large or a large leve...

Page 276: ... included with the DUT s power voltage Vcc terminal Press 4Menu5 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN AUTO FREQ CONTROL NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN CTRL DELAY and the entry keys to specify a value larger than the current setting 102 ANALYZER TYPE MISMATCH Indicates an invalid function was selected in the present measurement item Change the measurement item or select a di eren...

Page 277: ...ered where prohibited by the 4352B 0144 Character data too long The character data element contains more than twelve characters see IEEE 488 2 7 7 1 4 0100 Command error This is a generic syntax error that the 4352B displays when it cannot detect more speci c errors This code indicates only that a command error as de ned in IEEE 488 2 11 5 1 1 4 has occurred 0110 Command header error An error was ...

Page 278: ...then perform the measurement 0230 Data corrupt or stale Possibly invalid data New reading started but not completed since last access 0225 Data out of memory The 4352B has insu cient memory to perform the requested operation 0222 Data out of range A legal program data element was parsed but could not be executed because the interpreted value was outside the legal range as de ned by the 4352B see I...

Page 279: ...tes that the DUT s frequency has uctuated widely in a very short time several hundred kHz in several tens of ms Verify the DUT s output frequency stability 0105 GET not allowed A Group Execute Trigger GET was received within a program message see IEEE 488 2 7 7 0240 Hardware error Indicates that a legal program command or query could not be executed because of a hardware problem in the 4352B De ni...

Page 280: ... LCD display information the measurement setting parameter display or the status notations If it is OFF press 4DC Power5 or 4DC Control5 and press NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN OUTPUT ON off This message is also displayed if a positive DC voltage component TTL output etc is included in the DUT s output signal In this case insert a high pass lter to su ciently eliminate the positive DC ...

Page 281: ...2 or the su x is inappropriate for the 4352B 133 LIF DOS COPY NOT ALLOWED Indicates that you tried to copy a le between the di erently formatted disks For example if you try to copy a le between the RAM disk and the exible disk when the format of the RAM disk is di erent from the format of the exible disk this message is displayed 0250 MASS STORAGE ERROR Indicates that a mass storage error occurre...

Page 282: ...ED Indicates that NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN SCALE FOR MEMORY was selected when no memory trace is displayed 131 NO STATE DATA FILES ON DISK There are no les with extensions _D or _S for LIF format or STA or DTA for DOS format on the exible disk 134 NO STATE DATA FILES ON MEMORY There are no les with extensions _D or _S for LIF format or STA or DTA for DOS format in t...

Page 283: ...the 4352B and the printer Ensure that the printer address recognized by the 4352B matches the GPIB address set on the printer itself 0108 Parameter not allowed More parameters were received than expected for the header For example the SRE command only accepts one parameter so receiving SRE 4 16 is not allowed 0284 Program currently running Certain operations dealing with programs may be illegal wh...

Page 284: ...y 58 RF Input Over Trans Max Freq Indicates that the frequency transient measurement trace was probably inaccurate because the input frequency to the 4352B was above the upper limit of the detection band Note however that RF Input Under Trans Min Freq message No 57 may erroneously appear even when the above problem is present if the 4352B is operating in the heterodyne mode and if the di erence be...

Page 285: ...aved For example this is displayed when the disk surface is physically damaged 27 SG not on not connect wrong address Indicates that the external signal generator did not respond when the 4352B tried to control the external signal generator via GPIB Verify the external signal generator is turned ON the GPIB cable connection is proper the GPIB address setting for the external signal generator is pr...

Page 286: ...n the 4352B was not expecting to receive a string 0310 System error Some error termed system error by the 4352B has occurred 59 Target Freq Out Of Range Indicates the 2nd or 3rd harmonic target frequency is not within the 4352B measurement range below 10 MHz or above 3 GHz when NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN 2xCARR CENTER or NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...

Page 287: ...ored because of the 4352B timing considerations For example the 4352B was not ready to respond 0113 Unde ned header The header is syntactically correct but it is unde ned for the 4352B For example XYZ is not de ned for the 4352B 160 WRONG I O PORT DIRECTION The direction setting for the I O port input or output is incorrect Verify that a signal from an external instrument is being sent to an input...

Page 288: ...g address 27 SG not on not connect wrong address 30 NO VALID MEMORY STORED 40 Insu cient RF Level 41 Set RF ATT 5 dB Less 42 Set RF ATT 5 dB More 43 F V Input Under ow 44 F V Input Over ow 45 1st IF Out Of Range 47 Set Noise ATT 10 dB More 48 AFC Out Of Loop 49 RF Freq Out Of Range 50 Invalid Dev Cal 51 Calibration Aborted 52 DC Output On Required in AFC 53 FM Deviation Range Overload 54 Carrier O...

Page 289: ...Overload 79 X tal PLL Unlocked 40 MHz 80 X tal PLL Unlocked 85 6 MHz 81 2nd PLL Unlocked 82 Thermometer Out Of Range 90 TOO MUCH DATA 91 NOT ENOUGH DATA 100 CAN T CHANGE ANOTHER CONTROLLER ON BUS 102 ANALYZER TYPE MISMATCH 111 NO DATA TRACE 112 NO MEMORY TRACE 113 NO MARKER DELTA SPAN NOT SET 114 NO MARKER DELTA RANGE NOT SET 116 NO ACTIVE MARKER 118 NO FIXED DELTA MARKER 128 SAVE ERROR 129 RECALL...

Page 290: ...LAYED 138 NO MEMORY TRACE DISPLAYED 144 CAN T CHANGE NUMBER OF POINTS 159 INSUFFICIENT memory 160 WRONG I O PORT DIRECTION 171 INVALID DATE 230 FLOPPY DISK DRIVE FAILURE FOUND 0100 Command error 0101 Invalid character 0102 Syntax error 0103 Invalid separator 0104 Data type error 0105 GET not allowed 0108 Parameter not allowed 0109 Missing parameter 0110 Command header error 0111 Header separator e...

Page 291: ... 0130 Su x error 0131 Invalid su x 0134 Su x too long 0138 Su x not allowed 0140 Character data error 0141 Invalid character data 0144 Character data too long 0148 Character data not allowed 0150 String data error 0151 Invalid string data 0158 String data not allowed 0160 Block data error 0161 Invalid block data 0168 Block data not allowed 0200 Execution error 0210 Trigger error 0211 Trigger ignor...

Page 292: ...corrupt or stale 0231 Data questionable 0240 Hardware error 0241 Hardware missing 0250 MASS STORAGE ERROR 0257 FILE NAME ERROR 0280 Program error 0281 Cannot create program 0282 Illegal program name 0283 Illegal variable name 0284 Program currently running 0285 Program syntax error 0286 Program runtime error 0310 System error 0311 Memory error 0330 Self test failed 0350 Queue over ow Messages 19 ...

Page 293: ...Error Messages Numerical Order 0400 Query error 0410 Query INTERRUPTED 0420 Query UNTERMINATED Messages 20 ...

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