
314
Keysight EXG and MXG X-Series Signal Generators User’s Guide
Digital Signal Interface Module (Option 003/004)
Operating the N5102A Module in Input Mode
From this menu, select the clock signal source. With each selection, the clock routing display
in the signal generator clock setup menu will change to reflect the current clock source. This
will be indicated by a change in the graphic.
3.
Select the clock source.
If External or Device is Selected
Press the
Clock Rate
softkey and enter the clock rate of the externally applied clock signal.
For the
External
selection, the signal is supplied by an external clock source and applied to the
Ext Clock In connector. For the
Device
selection, the clock signal is supplied through the
Device Interface connector, generally by the device being tested.
If Internal is Selected
Using an external frequency reference, the N5102A module generates its own internal clock
signal. The reference frequency signal must be applied to the Freq Ref connector on the digital
module.
a.
Press the
Reference Frequency
softkey and enter the frequency of the externally applied
frequency reference.
b.
Press the
Clock Rate
softkey and enter the appropriate clock rate.
provides a quick view of the settings and connections associated with each clock
source selection.
The clock phase and clock skew may need to be adjusted any time the
clock rate setting is changed. Refer to
“Clock Timing for Phase and Skew
.