User`s guide

The Data Channel defaults to Channel 1 and does not need to be changed if your data is connected
to IN1.
• To perform the measurement, press “Single/Stop”
. Several views are available once the
measurement is complete. All views are displayed with the results summarized to the left of the plot.
The specification value, the measured value and Pass or Fail is displayed.
Interpreting views (plots)
• Oscilloscope - Shows the waveform from the input and the inverting input.
• DCD + ISI Histogram - Shows a histogram of rising and falling edge times across one pattern repeat.
• DCD + ISI vs. Span - Shows how the DCD+ISI changes across a repeat of the pattern.
• 1-Sigma - Shows the accumulation of jitter across a number of UI.
• FFT - Shows the jitter spectrum for Periodic and Random Jitter.
• Bathtub Curve - Shows eye opening at a specific Bit Error Rate.
• Summary - Shows a text summary of the results.
Oscilloscope View
View shows the waveform from the input and the inverting input. Timing measurements are summarized
to the left.
Section 4 - GigaView © WAVECREST Corporation 2005
208