Instrument Function
R&S
®
SMBV100A
224Operating Manual 1407.6062.32 ─ 08
"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.
If a different sweep mode was activated prior to the "Extern Step" mode,
the current sweep is stopped. The "Extern Step" sweep always starts
at the LF start frequency.
The "Reset Sweep" button resets the sweep to the start frequency.
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).
If a different sweep mode was activated prior to the "Extern Start/
Stop" mode, the current sweep is stopped and the "Extern Start/Stop"
sweep starts at the start frequency when triggered.
The "Reset" button resets the sweep to the start frequency.
The external trigger signal is input at the BNC connector INST TRIG.
Example:
SOUR:LFO:SWE:FREQ:MODE AUTO
TRIG0:SWE:SOUR EAUT
SOUR:LFO:FREQ:MODE SWE (External trigger)
SCPI command:
[:SOURce]:LFOutput:SWEep[:FREQuency]:MODE on page 652
:TRIGger<hw>[:SWEep]:SOURce on page 724
[:SOURce]:LFOutput:FREQuency:MODE on page 649
Execute Single Sweep - LF Sweep
Triggers the sweep manually. A manual sweep can only be triggered if "Mode Single" is
selected.
SCPI command:
[:SOURce]:LFOutput:SWEep[:FREQuency]:EXECute on page 651
Reset Sweep - LF Sweep
Resets the sweep. The start frequency is set and the next sweep starts from there.
SCPI command:
[:SOURce<hw>]:SWEep:RESet[:ALL] on page 701
RF Signal and Analog Modulations - RF Block
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