Basic Instrument Functions
R&S
®
CMW500
99User Manual 1173.9463.02 ─ 06
4.4.7 Trigger
This dialog configures the connectors TRIG A and TRIG B at the rear panel of the instru-
ment and allows to initiate the generation of a "User Initiated Trigger" signal.
Fig. 4-12: Setup - External Trigger
TRIG A, TRIG B
The bidirectional BNC connectors TRIG A and TRIG B support input and output trigger
signals:
● An input trigger signal is used to synchronize an R&S CMW500 measurement to an
external event. For example a DUT providing a frame-periodic RF signal may gen-
erate an additional trigger signal to indicate its frame timing.
The related trigger source strings are "Base1: External TRIG A" and "Base1: External
TRIG B".
● An output trigger signal is generated by the R&S CMW500 in order to synchronize
external devices.
Direction ← TRIG A, TRIG B
Selection of input or output trigger signal at the connector.
Remote command:
TRIGger:BASE:EXTB:DIRection etc.
Source ← TRIG A, TRIG B
Source for output trigger signal. "No Connection" means that no output trigger signal is
fed to the trigger connector. The listed trigger sources include also input trigger signals
fed in at TRIG A (TRIG B) that you can use as output trigger signals at TRIG B (TRIG A).
Most trigger sources depend on the installed options. For example the ARB generator
provides several output trigger signals to synchronize external devices to a processed
waveform file.
Remote command:
TRIGger:BASE:EXTB:CATalog:SOURce? etc.
TRIGger:BASE:EXTB:SOURce etc.
Setup Dialog
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