Teledyne LeCroy WaveExpert 100H Operators Manual - Manual (Page 76)

Operator’s Manual
74
WE-OM-E Rev A
Deskewing Channels for Differential Measurement
The TDR Deskew Wizard is accessed by means of the Deskew Channels selection in the TDR
Main dialog. The deskew process adjusts the sampling and step skew between the two channels
being used for the Differential TDR measurement.
Caution
To prevent damage to module and DUT connections, rotate the male threaded connectors,
leaving the female connectors stationary, when connecting cables to the modules and to
the DUT. Use a torque wrench set to 8 lb.-in. (0.90 Nm).
1. With the ST-20 modules inserted into their channel slots, touch the Deskew Channels
button. the TDR Deskew Wizard opens. The initial TDR wizard menu provides a choice of
automatic adjustment. Select this control to allow he insrument to automatically perform he
deskew. The next step in the procedure for either automatic or manual adjustment instructs
the user to connect the channels together. It is most convenient to connect the cable ends
at the reference plane that will be connected to the DUT together using an adaptor. This
way, the cables can remain on the scope channels throughout the process.
Note: As you perform the Deskew operation, a progress bar lets you know where you are in the
procedure with each new pop-up window.
2. Touch inside the “Port-“ field to highlight it and, using the pop-up keypad, adjust the skew to