Keysight M8000 Series of BER Test Solutions User Guide 303
Setting up Generator 5
• Standard: You can use this drop-down list to specify whether you want
to select a pre-defined standard or a user-defined standard. All the
available predefined standards will be shown in this list. However, if you
select the user-defined standard, press Custom Profile button to locate
the Jitter Tolerance standard. The user-defined standard uses the
same file format like the Jitter Tolerance Compliance measurement.
• Sweep Time: You can specify the duration for sweeping the selected
jitter profile/standard once.
• No. of Steps: You can specify the number of steps to fulfill a complete
sweep. The start and stop values are included. The valid range is
between 2 to 100.
• Step Distance: You can use this drop-down list to specify whether the
frequency steps are log equidistant (EQUidistant) along the periodic
jitter curve or a frequency step matches a corner frequency on the
periodic jitter curve.
Bounded Uncorrelated Jitter
Bounded Uncorrelated Jitter is characterized by
•Amplitude
• PRBS polynomial
• Data rate
•Filter type
Selecting the Standard does allocate the required amount of jitter
modulation on the delay line being used. To avoid errors when changing
the selection, it is recomended to either select the corresponding bit rate
first, or enable the PJ2 source after setting the correct bit rate.
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