242 Keysight E8357D/67D & E8663D PSG User’s Guide
GPS Modulation (Option 409)
Real Time MSGPS
Figure 8-2
Real Time MSGPS Scenario
Configuring the External Reference Clock
1.
Connect the external reference clock source to the rear panel connector
BASEBAND GEN REF IN.
2.
Set the chip rate of the external clock to the desired value.
3.
Press
Mode
>
More (1 of 2)
>
GPS
>
Real Time MSGPS
>
More (1 of 2)
>
GPS Ref Clk Ext Int
to Ext.
4.
Press
GPS Ref (f0)
.
5.
Use the numeric keypad to set the GPS reference clock to the same chip
rate as the external clock.
NOTE
The chip rate of the external source must match the chip rate of the reference
clock set using the
GPS Ref (f0)
softkey.
