Instrument Function
R&S
®
SMB100A
191Operating Manual 1407.0806.32 ─ 13
"Extern Single"
Sets a single sweep cycle. The sweep is triggered by an external trigger
signal.
The external trigger signal is input at the BNC connector INST TRIG.
Example:
SOUR:LFO:SWE:FREQ:MODE AUTO
TRIG0:SWE:SOUR EXT
SOUR:LFO:FREQ:MODE SWE (External trigger)
"Extern Step"
Sets a step-by-step sweep cycle. Each sweep step is triggered by an
external trigger signal (trigger source as described under "Extern Sin-
gle"). The step width corresponds to the step width set for the rotary
knob.
Example:
SOUR:LFO:SWE:FREQ:MODE AUTO
TRIG0:SWE:SOUR EXT
SOUR:LFO:FREQ:MODE SWE (External trigger)
"Extern Start/
Stop"
Sets an automatically repeated sweep cycle that is started, stopped and
restartet by subsequent external trigger events.
The first external trigger signal starts the sweep (Start).
The next external trigger signal stops the sweep at the current fre-
quency (Stop).
The third external trigger signal starts the sweep at the start frequency
(Start).
Refer to the description of the rear panel for information about the con-
nectors for external trigger signal input (see chapter 2.2, "Rear Panel
Tour", on page 21).
Example:
SOUR:LFO:SWE:FREQ:MODE AUTO
TRIG0:SWE:SOUR EAUT
SOUR:LFO:FREQ:MODE SWE (External trigger)
Remote command:
[:SOURce]:LFOutput:SWEep[:FREQuency]:MODE on page 315
:TRIGger<hw>[:SWEep]:SOURce on page 410
[:SOURce]:LFOutput:FREQuency:MODE on page 312
Execute Single Sweep - LF Sweep
Triggers the sweep manually. A manual sweep can only be triggered if "Mode Single" is
selected.
Modulation Generator and LF Output
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