12 Keysight M8000 Series of BER Test Solutions User Guide
Contents
Why Incorrect Terminations Could Damage Your Device 258
AC Coupling and Bias Tees 258
Setting up Terminations 261
DC Check (Unbalanced/Balanced Termination) for M8040A 262
Adjust Output Levels (optional) 265
De-Emphasis Signal Generator 266
M8045A De-Emphasis 269
Setting Up Data Out Port Parameters 272
Setting up Output Timing 274
Line Coding 275
Bit Rate 277
When to Use an External Clock Source? 277
Bit Rate Range 277
Spread Spectrum Clocking 279
Setting the Bit Rate 280
External Clock Divider 281
External PLL Clock Divider and Multiplier 281
Trigger Output 282
FEC Error Insertion 284
Error Insertion 288
FEC Error Insertion 290
Interference 294
Common Mode Interference (CMI) 294
Differential Mode Interference (DMI) 295
Jitter Setup 296
High Frequency Jitter (HF Jitter) 296
Low Frequency Jitter (LF Jitter) 296
Global Jitter State On/Off Switch 296
How to Enable Global Jitter State 297
Set Jitter Configuration 297
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