Agilent Technologies J-BERT N4903B User manual

S
Agilent J-BERT N4903B
High-Performance Serial
BERT
User Guide
sAgilent Technologies

© Agilent Technologies, Inc. 2014
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Manual Part Number
N4903-91021
Edition
Release Edition, June 2014
Printed in Germany
Agilent Technologies, Deutschland GmbH
Herrenberger Str. 130
71034 Böblingen, Germany
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Notices

Contents
1Planning the Test
Planning the Test - Concepts 11
Introduction to the Serial BERT 11
Introduction to the Serial BERT - Concepts 11
Navigating the Serial BERT GUI 18
Navigating the Serial BERT GUI - Concepts 18
Which Test is Appropriate? 25
Which Test is Appropriate? - Concepts 25
Connecting the DUT 29
Connecting the DUT - Concepts 29
2Setting up External Instrument(s)
Setting up External Instrument(s) - Concepts 37
Setting up External Instrument(s) - Procedure 42
Setting up External Instrument(s) - Reference 51
3Setting up Patterns
Setting up Patterns - Concepts 61
User Patterns 65
User Patterns - Concepts 65
User Patterns - Procedures 71
User Patterns - Reference 76
Software-Generated PRBS 91
Software-Generated PRBS - Concepts 91
Software-Generated PRBS - Procedures 93
Software-Generated PRBS - Reference 93
Hardware-Generated PRBS 93
Hardware-Generated PRBS - Concepts 93
Hardware-Generated PRBS - Procedures 95
Hardware-Generated PRBS - Reference 95
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User-Defined Sequences 96
User-Defined Sequences - Concepts 96
User-Defined Sequences - Procedures 99
User-Defined Sequences - Reference 101
Sequencer-Pattern Editor 108
Sequencer-Pattern Editor - Concepts 108
Sequencer-Pattern Editor - Procedure 108
Sequencer-Pattern Editor - Reference 110
4Setting up the Pattern Generator
Setting up the Pattern Generator - Concepts 121
Input and Output Ports 122
Input and Output Ports - Concepts 122
Input and Output Ports - Procedures 131
Input and Output Ports - Reference 135
Bit Rate 139
Bit Rate - Concepts 139
Bit Rate - Procedures 141
Bit Rate - Reference 143
Trigger/Ref Clock Output 145
Trigger/Ref Clock Output - Concepts 145
Trigger/Ref Clock Output - Procedures 145
Trigger/Ref Clock Output - Reference 146
Aux Data Out 149
Aux Data Output - Concepts 149
Aux Data Out - Procedures 149
Aux Data Output - Reference 154
Delay Control Input 155
Delay Control Input - Concepts 155
Delay Control Input - Procedures 156
Delay Control Input - Reference 156
Error Addition/Insertion 157
Error Addition/Insertion - Concepts 157
Error Addition/Insertion - Procedures 157
Error Addition/Insertion - Reference 159
Pattern Alternation 161
Pattern Alternation - Concepts 161
Pattern Alternation - Procedures 162
Pattern Alternation - Reference 164
4Agilent J-BERT N4903B High-Performance Serial BERT

5Setting up the Error Detector
Setting up the Error Detector - Concepts 167
Inputs and Outputs 168
Inputs and Outputs - Concepts 168
Inputs and Outputs - Procedures 171
Data Input Setup - Reference 172
Clock Setup 173
Clock Setup - Concepts 173
Clock Setup - Procedures 178
Clock Setup - Reference 179
Error Ratio 182
Error Ratio - Concepts 182
Error Ratio - Procedures 185
Error Ratio - Reference 190
Sampling Point Setup 193
Sampling Point Setup - Concepts 193
Sampling Point Setup - Procedures 196
Sampling Point Setup - Reference 198
Trigger and Aux Output 203
Trigger and Aux Output - Concepts 203
Trigger and Aux Output - Procedures 203
Trigger and Aux Output - Reference 204
Pattern Synchronization 205
Pattern Synchronization - Concepts 205
Pattern Synchronization - Procedures 216
Pattern Synchronization - Reference 218
Error Accumulation 220
Error Accumulation - Concepts 220
Error Accumulation - Procedures 220
Error Accumulation - Reference 221
BER Location 223
BER Location - Concepts 223
BER Location - Procedures 223
BER Location - Reference 223
Audio Signals 224
Audio Signals - Concepts 224
Audio Signals - Procedures 225
Audio Signals - Reference 225
Agilent J-BERT N4903B High-Performance Serial BERT 5

6Advanced Analysis
Advanced Analysis - Concepts 227
Advanced Analysis - Procedures 229
Advanced Analysis - Reference 234
DUT Output Timing/Jitter 241
DUT Output Timing/Jitter - Concepts 241
DUT Output Timing/Jitter - Procedures 250
DUT Output Timing/Jitter - Reference 252
Output Levels 263
Output Levels - Concepts 263
Output Levels - Procedures 265
Output Levels - Reference 270
Eye Opening 287
Eye Opening - Concepts 287
Eye Opening - Procedures 289
Eye Opening - Reference 294
Error Location Capture 302
Error Location Capture - Concepts 302
Error Location Capture - Procedures 304
Error Location Capture - Reference 305
Fast Eye Mask 307
Fast Eye Mask - Concepts 307
Fast Eye Mask - Procedures 309
Fast Eye Mask - Reference 311
Eye Diagram 315
Eye Diagram - Concepts 315
Eye Diagram - Procedures 320
Eye Diagram - Reference 332
Spectral Jitter 342
Spectral Jitter - Concepts 342
Spectral Jitter - Procedures 351
Spectral Jitter - Reference 353
7Evaluating Results
Evaluating Results - Concepts 361
Instantaneous Measurements 361
Instantaneous Measurements - Concepts 361
Instantaneous Measurements - Procedures 363
Instantaneous Measurements - Reference 366
6Agilent J-BERT N4903B High-Performance Serial BERT

Accumulated Measurements 376
Accumulated Measurements - Concepts 376
Accumulated Measurements - Procedures 377
Accumulated Measurements - Reference 378
Eye Measurements 392
Eye Measurements - Concepts 392
Eye Measurements - Procedures 392
Eye Measurements - Reference 393
8Jitter Tolerance Tests
Jitter Tolerance Tests - Concepts 395
Jitter Setup 404
Jitter Setup - Concepts 404
Jitter Setup - Procedures 407
Jitter Setup - Reference 413
Interference Channel Setup 431
Interference Channel Setup - Concepts 431
Interference Channel Setup - Procedures 431
Interference Channel Setup - Reference 432
Jitter Tolerance Characterization 433
Jitter Tolerance Characterization - Concepts 433
Jitter Tolerance Characterization - Procedures 438
Jitter Tolerance Characterization - Reference 443
Jitter Tolerance Compliance 446
Jitter Tolerance Compliance - Concepts 446
Jitter Tolerance Compliance - Procedures 454
Jitter Tolerance Compliance - Reference 462
9Solving Problems
Solving Problems - Concepts 469
Setup Problems 469
Setup Problems - Concepts 469
Measurement Problems 472
Measurement Problems - Concepts 472
Other Messages 478
Other Messages - Concepts 478
N4916B System Setup Calibration 480
N4916B System Setup Calibration 480
Agilent J-BERT N4903B High-Performance Serial BERT 7

N4876A System Setup Adjustment 490
N4876A System Setup Adjustment 490
M8061A System Setup Adjustment 492
M8061A System Setup Adjustment 492
Problems with the N4916A 493
Problems with the N4916A - Concepts 493
Problems with the N4916B 500
Problems with the N4916B - Concepts 500
Problems with the N4876A 511
Problems with the N4876A - Concepts 511
Problems with the M8061A 518
Problems with the M8061A - Concepts 518
10 Customizing the Instrument
Customizing the Instrument - Concepts 525
Restoring the System 525
Agilent Recovery System - Procedures 525
Configuring the Instrument 528
Configuring the Instrument - Concepts 528
Configuring the Instrument - Procedures 529
Configuring the Instrument - Reference 531
Configuring the Touchscreen 531
Configuring the Touchscreen - Procedures 531
Configuring the Touchscreen - Reference 533
Installing Software Licenses 535
Installing Software Licenses - Procedures 535
Installing Software Licenses - Reference 535
Installing Hardware Options 536
Installing Hardware Options - Procedures 536
Installing External Instrument(s) 538
Installing External Instrument(s) - Concepts 538
Installing the N4916A/B - Procedure 539
Installing the N4876A - Procedure 544
Installing the M8061A - Procedure 549
Installing Webserver 551
Customizing the Web Server- Concept 551
Printing 555
Printing - Procedures 555
8Agilent J-BERT N4903B High-Performance Serial BERT

File Management 558
File Management - Procedures 558
Preset Instrument State 562
Preset Instrument State - Procedures 562
Self Test 563
Self Test - Concepts 563
Self Test - Procedures 563
Self Test - Reference 564
Index 567
Agilent J-BERT N4903B High-Performance Serial BERT 9

10 Agilent J-BERT N4903B High-Performance Serial BERT