R&S SMC100A LF Generator and LF Output - Mod Gen Block
1411.4060.32 4.97 E-4
Shape - LF Sweep
Selects the cycle mode for a sweep sequence (shape).
sawtooth shape
t
f
triangle shape
s
tart frequency
s
top frequency
stop frequency
s
tart frequency
Sawtooth One sweep runs from start to stop frequency. Each
subsequent sweep starts at the start frequency, i.e.
the shape of the sweep sequence resembles a
sawtooth.
Remote-control command:
SOUR:LFO:SWE:FREQ:SHAP SAWT
Triangle One sweep runs from start to stop frequency and
back, i.e. the shape of the sweep resembles a
triangle. Each subsequent sweep starts at the start
frequency.
Remote-control command:
SOUR:LFO:SWE:FREQ:SHAP TRI
Step Lin/Log - LF
Sweep
Sets the step width for the individual sweep steps. This entry is
effective for all sweep modes.
Step Lin or Step Log is displayed depending on whether Spacing
Lin or Log is selected.
Step Lin
With the linear sweep, the step width is a fixed
frequency value which is added to the current
frequency. The linear step width is entered in Hz.
Remote-control command:
SOUR:LFO:SWE:FREQ:STEP:LIN 1 kHz
Step Log
With the logarithmic sweep, the step width is a
constant fraction of the current frequency. This
fraction is added to the current frequency. The
logarithmic step width is entered in %.
Remote-control command:
SOUR:LFO:SWE:FREQ:STEP:LOG 1 PCT
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