User`s guide

14 User’s and Service Guide Supplement
E4438C Option HEC
Repeatable Triggering for Multiple Baseband Sources
5. Set the Sampling Rate to Automatic, 100.0 MSa/sec. Refer to Figure 9.
6. Insure that all 4 traces are active.
Figure 9 Oscilloscope Display
ESG-B E4433B “External Clock”
Set the E4433B “External Clock” as follows:
[Frequency] [400 MHz]
[Amplitude] [0 dBm]
[RF] [On] (toggle the hardkey)
NOTE The E4438C Option HEC sample rate for the DUT’s Ext Clk Freq = 4 × (Arb
sample rate).