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User’s and Service Guide Supplement 15

E4438C Option HEC

Repeatable Triggering for Multiple Baseband Sources

ESG-C E4438C Option HEC “Master” Instrument

Set the E4438C “Master” as follows:

1. [Preset] > [Mode] > Dual ARB > Select Waveform. Using the arrow keys to

select RAMP_TEST_WRM on the display, then Select Waveform (*NONE*).

Verify the following: Refer to Figure 10.

• Sample Clock: 100.000 MHz

• IQ Mod Filter: Through

• Ref Freq: 10.000 MHz (Int)

• Trig Type: Continuous (Free Run)

2. [Mode] > Dual ARB > Marker Utilities > Set Marker > Marker 1

(Marker 1 is the default setting for the E4438C.)

Figure 10 Display of the “Master” Settings

NOTE

If the settings are not the same as in Figure 10, perform the following:

Trigger (Continuous) > Trigger Setup > Trigger Source (EXT)

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Agilent Technologies E4438C Guida Utente Pagina 23