494 Keysight M8000 Series of BER Test Solutions User Guide
8 Working with Measurements
• Show Graphics: Displays the measurement graph in the measurement
output window.
• Optimal Sample Delay: The mean value of the left and right
bathtub/Total Jitter BER Threshold intersections.
• Phase Margin: The period of time where the bit error rate is lower than
the Total Jitter BER Threshold.
• Total Jitter Peak-Peak: Peak-to-peak value of the total jitter.
Calculated as the pulse period (unit interval) minus the Phase Margin at
the Total Jitter BER Threshold.
• Total Jitter Uncertainty: Displays the total jitter uncertainty.
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