Instrument Function
R&S
®
SMU200A
257Operating Manual 1007.9845.32 ─ 15
"Extern Single"
Sets a single sweep cycle. The sweep is triggered by an external trigger
signal.
If a different sweep mode was activated prior to the "Extern Single" mode,
the current sweep is stopped. The "Extern Single" sweep always starts
at the start level.
The external trigger signal is input at the BNC connector INST TRIG.
The BNC connector INST TRIG is provided for Path A, and the pin INST
TRIG B on the AUX I/O interface for Path B.
The "Reset Sweep" button resets the sweep to the start flevel.
Example:
SOUR:SWE:POW:MODE AUTO
TRIG:PSW:SOUR EXT
SOUR:POW: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 of 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 start level.
The "Reset Sweep" button resets the sweep to the start frequency.
Example:
SOUR:SWE:POW:MODE STEP
SOUR:SWE:POW:STEP 0.5
TRIG:PSW:SOUR EXT
SOUR:POW:MODE SWE (External trigger)
RF Signal and Analog Modulations - RF Block
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