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Table of Contents
GB1400 User Manual vii
Word Patterns ...................................................................................... 3-5
Basics............................................................................................ 3-5
Creating Word Patterns using front panel controls............................. 3-5
Creating Word Patterns using menus................................................ 3-7
Creating Word Patterns using remote control.................................... 3-8
Saving Word Patterns ..................................................................... 3-9
Recalling Word Patterns ................................................................. 3-9
Generator Functions ....................................................................................... 3-10
Clock Source and Frequency................................................................. 3-10
External Clock Input............................................................................. 3-10
Clock Source........................................................................................ 3-10
Step Size and Frequency....................................................................... 3-10
Saving a Frequency.............................................................................. 3-11
Recalling a Frequency........................................................................... 3-11
Data and Clock Outputs ........................................................................ 3-12
Amplitude and Baseline Offset.............................................................. 3-14
Logically Inverting Output Data (D-INV) .............................................. 3-15
Single-Ended or Differential Operation ................................................. 3-16
Pattern SYNC (PYNC) and CLOCK/4 Outputs ...................................... 3-16
Error Injection...................................................................................... 3-17
Selection an Error Inject Mode .............................................................. 3-17
Error INJECT Input.............................................................................. 3-18
Analyzer Functions ......................................................................................... 3-19
Automatic Setup Functions (SYNC)...................................................... 3-19
AUTO SEARCH with PRBS Patterns.................................................... 3-20
AUTO SEARCH with "Non-PRBS" Patterns ......................................... 3-21
How to DISABLE Automatic Pattern Resynchonization.......................... 3-21
Relationship between AUTO SEARCH and DISABLE........................... 3-21
Synchronization (LOCK) Threshold....................................................... 3-22
Clock, Data, and Reference Data Inputs................................................. 3-23
Input Data Delay.................................................................................. 3-24
Input Termination................................................................................. 3-25
Input Decision Threshold ...................................................................... 3-26
Logically Inverting Input Data............................................................... 3-26