User guide

The ClkGen tab allows you to select clock source. It provides the following
parameters:
• Clock Source: Used to select the clock source to either CLK IN (External clock)
or AUX CLK IN (Internal clock).
• Input Timing Adjustment: Click Adjustment... to start the input timming
adjustment.
For more information on input timing adjustment of M8061A, refer to the section
“M8061A System Setup Adjustment” on page 492.
This Electrical Idle In tab allows you to set the Electrical Idle In. It provides the
following parameters:
• Termination Voltage: Used to set Electrical Idle termination voltage when
externally controlled.
• Threshold: Used to set Electrical Idle threshold when externally controlled.
Table 4
M8061A Parameters and Range
Parameters Range
Amplitude Based on amplitude range selected.
High -975 mV to 3.3 V
Low -1 V to 3.275 V
Offset -975 mV to 3.275 V
Cross Over 30% to 70%
F/2 Jitter -20 ps to 20 ps
Termination Voltage -1 V to 3.3 V
PreCursor2 -6.02 dB to 6.02 dB
PreCursor1 -12.04 dB to 12.04 dB
PostCursor1 -20 dB to 20 dB
PostCursor2 -12.04 dB to 12.04 dB
2 Setting up External Instrument(s)
58 Agilent J-BERT N4903B High-Performance Serial BERT
ClkGen Tab
Electrical Idle In