Specifications
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Chapter 3: Testing Performance
Set up the test equipment
Deskew the oscilloscope
This procedure neutralizes any skew in the oscilloscope’s waveform display.
1 On the 54845A oscilloscope, change the Horizontal scale from 500 ps/div
to 200 ps/div. You can do this using the large knob in the Horizontal setup
section of the front panel.
2 Select Setup from the menu bar at the top of the oscilloscope display.
3 Select Channel 1.
4 Select Probes.
NOTE: If the Probes dialog obscures the waveform display, select Utilities, User
Preferences..., and in the Dialog section choose Transparent. Then
position the Probes dialog so you can see the horizontal crossings of the
waveforms.
5 Select Skew </> to deskew Channel 1 and Channel 2 signals so that both
channels cross the 54845A horizontal center line at the same time, at both
ends of the eye (both crossings of the horizontal center line). The