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Chapter 10 Real-time Eye Diagram and Jitter Analysis (Option) RIGOL
DS8000-R User's Guide 10-7
To Set the Threshold
For the threshold setting methods of the jitter, please refer to descriptions in "To Set
the Threshold" in the "Real-time Eye Analysis" section.
To Set Clock Recovery
For setting methods of the clock recovery in the jitter, refer to descriptions in "To Set
Clock Recovery" in the "Real-time Eye Analysis" section.
Note: When the measurement item is "TIE", you need to set the clock recovery. For
other measurement items, you do not need to set the clock recovery.
To Set the Jitter Measurement
Click Measure to enter the jitter measurement menu. You can set the jitter
measurement item and the graph display mode of the jitter measurement results.
âš« Set the jitter measurement item
The jitter measurement items supported by this oscilloscope include TIE, Cycle
to Cycle, +Width to +Width, and –Width to -Width.
Click Item to select the desired measurement item.
➢ TIE
Compares edges in a signal under test with the edges in an ideal signal
determined by the clock recovery feature. Then, all the signal intervals are
measured based on the ideal data rate to generate the error statistics.
➢ Cycle to Cycle
Measures the first cycle and then subtracts the first cycle from the second
cycle. The measurement is made according to this rule.
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