Agilent Technologies 16902A User manual

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Agilent Technologies
16753/54/55/56A and 16950A
Logic Analyzers
Service Guide
Publication number 16753-97003
December 2005
For Safety and Regulatory information, see the pages at the end of the book.
© Copyright Agilent Technologies 2001-2005
All Rights Reserved.
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Agilent 16753/54/55/56A and 16950A Logic Analyzers—At a
Glance
The 16753A, 16754A, 16755A, and 16756A are 600 MHz logic analyzer modules
for the 16700-series or 16900-series logic analysis system.
The 16950A is 600 MHz logic analyzer module for the 16900-series logic analysis
system.
The 16753/54/55/56A and 16950A logic analyzer modules offer high performance
measurement capability.
Features
Some of the main features of the 16753/54/55/56A and 16950A are as follows:
• 64 data channels
• 4 clock/data channels
• 1 M to 64 M memory depth per channel (depends upon model or option chosen)
• 600 MHz maximum state acquisition speed
• 1.2 GHz, 128 M deep timing analysis on half channels
• “Eye scan” feature
• 4 GHz timing zoom with 64 k memory depth
• Expandable to 340 channels
Service Strategy
The service strategy for this instrument is the replacement of defective
assemblies. This service guide contains information for finding a defective
assembly by testing and servicing the 16753/54/55/56A or 16950A state and
timing analyzer module.
The modules can be returned to Agilent Technologies for all service work,
including troubleshooting. Contact your nearest Agilent Technologies Sales
Office for more details.
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3
Application
This service guide applies to 16753/54/55/56A logic analyzer modules installed in
16700-series or 16900-series logic analysis system mainframes or to 16950A logic
analyzer modules in a 16900-series logic analysis system mainframe.
The 16753/54/55/56A or 16950A Logic Analyzer
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4
In This Book
This book is the service guide for the 16753/54/55/56A and 16950A 600 MHz logic
analyzer modules.
This service guide has eight chapters.
Chapter 1, “General Information,” beginning on page 9 contains information
about the module, lists accessories for the module, gives specifications and
characteristics of the module, and provides a list of the equipment required for
servicing the module.
Chapter 2, “Preparing for Use,” beginning on page 15 tells how to prepare the
module for use.
Chapter 3, “Testing Logic Analyzer Performance,” beginning on page 19 gives
instructions on how to verify that the module meets its specifications.
Chapter 4, “Calibrating,” beginning on page 87 contains calibration instructions
for the module (if required).
Chapter 5, “Troubleshooting,” beginning on page 89 contains explanations of self-
tests and flowcharts for troubleshooting the module.
Chapter 6, “Replacing Assemblies,” beginning on page 113 explains how to
replace the module and assemblies of the module and how to return them to
Agilent Technologies.
Chapter 7, “Replaceable Parts,” beginning on page 121 lists replaceable parts,
shows an exploded view, and gives ordering information.
Chapter 8, “Theory of Operation,” beginning on page 127 explains how the logic
analyzer module works.
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5
Contents
1General Information
Accessories 10
Mainframe and Operating System 10
Specifications 11
Characteristics 12
Environmental Characteristics 13
Recommended Test Equipment 14
2Preparing for Use
Power Requirements 16
Operating Environment 16
Storage 16
To inspect the module 16
To configure and install the module 17
To test the module 17
To clean the module 17
3Testing Logic Analyzer Performance
Equipment Required 22
Assemble the SMA/Flying Lead Test Connectors 23
Set Up the Test Equipment 28
Connect the Test Equipment 30
Verify and adjust the 8133A pulse generator DC offset 32
Deskew the oscilloscope 33
Set the 8133A pulse width 35
Testing the Module Using a 16900-Series Mainframe 37
Do a self-test on the 16900-series logic analysis system 38
Configure the 16900-Series Logic Analysis System 39
Adjust sampling positions using Eye Finder 43
To re-align a stray channel 45
Test Pod 1 in 300 Mb/s Mode 46
Determine PASS/FAIL (1 of 2 tests) 46
Close the Eye Finder and Analyzer Setup Windows 46
Configure the markers 46
Determine PASS/FAIL (2 of 2 tests) 48
Test the complement of the bits (300 Mb/s mode) 49
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6
Contents
Test Pod 2 in 300 Mb/s Mode 51
Test the complement of the bits (Pod 2, 300 Mb/s mode) 52
Test Pods 3 and 4 in 300 Mb/s Mode 53
Test Pod 1 in 600 Mb/s Mode 53
Determine and set Eye Finder Position (600 Mb/s mode) 54
Test the complement of the bits (Pod 1, 600 Mb/s mode) 55
Test Pod 2 in 600 Mb/s Mode 56
Test the complement of the bits (Pod 2, 600 Mb/s mode) 58
Test Pods 3 and 4 in 600 Mb/s Mode 58
Conclude the State Mode Tests 59
Performance Test Record 60
Testing the module using a 16700-series Mainframe 61
Do a self-test on the 16700-series logic analysis system 62
Configure the 16700-Series Logic Analysis System 63
Adjust sampling positions using Eye Finder 68
To re-align a stray channel 69
Test Pod 1 in 300 Mb/s Mode 71
Determine PASS/FAIL (1 of 2 tests) 71
Open and configure the Listing window. 71
Determine PASS/FAIL (2 of 2 tests) 73
Test the complement of the bits (300 Mb/s mode) 75
Test Pod 2 in 300 Mb/s Mode 77
Test the complement of the bits (Pod 2, 300 Mb/s mode) 78
Test Pods 3 and 4 in 300 Mb/s Mode 79
Test Pod 1 in 600 Mb/s Mode 79
Determine and set Eye Finder Position (600 Mb/s mode) 80
Test the complement of the bits (Pod 1, 600 Mb/s mode) 82
Test Pod 2 in 600 Mb/s Mode 83
Test the complement of the bits (Pod 2, 600 Mb/s mode) 84
Test Pods 3 and 4 in 600 Mb/s Mode 85
Conclude the State Mode Tests 85
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Contents
7
Performance Test Record 86
4Calibrating
Calibration Strategy 88
5Troubleshooting
To use the flowcharts 90
To run the self tests (16900-series mainframe) 93
To run the self-tests (16700-series mainframe) 93
Self-Test Descriptions 94
To exit the test system (16900-series mainframe) 98
To exit the test system (16700-series mainframe) 98
To test the cables (16900-series Mainframe) 99
To test the cables (16700-series Mainframe) 104
6Replacing Assemblies
Tools Required 114
To remove the module 114
To remove the logic analyzer cable 115
To install the logic analyzer cable 117
To replace the circuit board 119
To return assemblies 120
7Replaceable Parts
Replaceable Parts Ordering 122
Replaceable Parts List 123
Exploded View 126
8Theory of Operation
Block-Level Theory 128
Index
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8
Contents
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9
1
General Information
This chapter lists the accessories, some of the specifications and characteristics,
and the recommended test equipment.
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