Instrument Function
R&S
®
SMB100A
223
Operating Manual 1407.0806.32 ─ 21
"Extern Step"
Generates the sweep signal step-by-step, manually triggered.
To trigger a sweep step, apply an external trigger signal. 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"
Generates a continuously repeating sweep signal that is started,
stopped and restarted by subseqeunt external trigger events. The
sweep steps are performed automatically, controlled by the dwell
time.
Refer to the description of the rear panel for information on the con-
nectors for the external trigger signal input (see
Example:
SOUR:LFO:SWE:FREQ:MODE AUTO
TRIG0:SWE:SOUR EAUT
SOUR:LFO:FREQ:MODE SWE
(External trigger)
Remote command:
[:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:MODE
[:SOURce<hw>]:LFOutput:FREQuency:MODE
Execute Single Sweep
Starts a sweep manually. This trigger button is displayed in "Single" mode.
Example:
SOUR:LFO:SWE:FREQ:MODE AUTO
TRIG:LFFS:SWE:SOUR SING
TRIG:LFFS
Remote command:
[:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:EXECute
:TRIGger<hw>:LFFSweep:IMMediate
Reset Sweep
Resets a sweep.
With the next trigger event, the sweep starts with at the initial value.
Remote command:
[:SOURce<hw>]:SWEep:RESet[:ALL]
Modulation Generator and LF Output