Keysight M8000 Series of BER Test Solutions User Guide 13
Contents
6 Setting up Analyzer
Overview 310
M8020A/M8030A/M8040A Analyzer Ports 311
Data In Port Termination 312
Why Can Wrong Terminations Damage Your Device? 312
Setting Up Termination 313
Clock Setup 318
How does Clock Data Recovery Work? 318
Phase Locked Loop 318
CDR Setup in M8020A/M8030A 320
CDR Setup for M8040A 321
Sampling Point Setup 323
How Does the Sampling Point Setup Work? 323
Auto Alignment 323
Threshold Center Alignment 324
Delay Center Alignment 325
Canceling Auto Align 326
Alignment BER Threshold 326
Sampling Point Setup Window 326
Equalization 332
Equalization in M8041A/M8051A Data In 332
Equalization in M8062A Data In 333
Equalization in M8046A Data In 334
Pattern Synchronization 344
Introduction to Pattern Synchronization 344
What Type of Synchronization Should You Use? 347
What is False Synchronization? 348
How Can You Tell if Your Synchronization is False? 349
How to Synchronize an Incoming Pattern 351
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