Agilent Technologies E4428C, User Manual

Page: 273 / 700

Chapter 7 249
Digital Signal Interface Module
Operating the N5102A Module in Input Mode
9.
Press the
Clock Polarity Neg Pos
softkey to Neg.
This shifts the clock signal 180 degrees, so that the data starts during the negative clock transition. This
has the same affect as selecting the 180 degree phase adjustment.
10.
Make the clock polarity selection that is required for the device being tested.
11.
Press the
Return
hardkey to return to the first-level softkey menu.
The clock source selection is also reflected in the first-level softkey menu graphic. For example, if the
device is the new clock source, you will see that the frequency reference is now connected to the DUT
and the DUT has an input clock line going to the N5102A module.
Selecting the Data Parameters
This procedure guides you through the data setup menu. Softkeys that have self-explanatory names are
generally not mentioned. For example, the
Word Size
softkey. For more information on all of the softkeys,
refer to the Key and Data Field Reference .
1.
Refer to Figure 7-19 . Press the
Data Setup
softkey.
Figure 7-19 Data Setup Menu Location
This softkey menu accesses the various parameters that govern the data received by the ESG The status
area of the display shows the number of data lines used for both I and Q along with the clock position
relative to the data.
Figure 7-20 shows the data setup menu structure.
Accesses the data setup menu