Trying Out the Instrument
R&S
®
SMBV100B
46
Getting Started 1423.1049.02 ─ 02
Figure 5-4: Block diagram: Generating a digitally modulated signal
5.3
Triggering the Instrument with an External Sig-
nal
The example configurations are rather theoretical cases, because you rarely use
the R&S
SMBV100B as a standalone instrument. Usually, the instrument would
be connected to a device under test (DUT) and/or other measurement equipment.
As a rule, whenever a test setup requires two or more devices, provide them with
a common reference frequency. Some test setups require control of the signal
generation start and an exact generation start time, determined by a defined trig-
ger event. For example, by triggering the instrument internally or externally from
the DUT.
This example illustrates the general principle of external triggering and extends
the configuration performed in
Chapter 5.2, "Generating a Digitally Modulated
on page 44 by the configuration of the required trigger signal and con-
nector settings.
This test setup requires one signal analyzer, like the R&S
®
FSW, as additional
equipment.
Triggering the Instrument with an External Signal
