Rohde & Schwarz SMC100A - Page 319

Remote Control Commands
R&S
®
SMC100A
304Operating Manual 1411.4060.32 ─ 09
Manual operation: See " Mode " on page 181
[:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:POINts <Points>
Determines the number of steps for the LF frequency sweep within the sweep range.
This parameter always applies to the currently set sweep spacing and correlates with
the step size as follows:
●
for linear sweeps and f
STARt
< f
STOP
freq_points = (f
SPAN
/ step_lin) + 1
with f
SPAN
= f
STOP
- f
STARt
To determine the step size, use the command SWE:STEP[:LIN].
●
logarithmic sweeps and f
STARt
< f
STOP
freq_points = ((log f
STOP
- log f
STARt
) / log step_log) + 1
To determine the logarithmic step size, use the command SWE:STEP:LOG.
If you change the number of sweep points, the step size changes accordingly. The
sweep range remains the same.
Each sweep spacing mode has assigned the POINts setting separately. Thus, the
command refers always to the particular set mode, see [:SOURce<hw>]:LFOutput:
SWEep[:FREQuency]:SPACing.
Parameters:
<Points> integer
Range: 2...max
Example:
LFO:FREQ:STAR
sets the start frequency to 2 kHz.
LFO:FREQ:STOP
sets the stop frequency to 20 kHz
LFO:SWE:SPAC LIN
sets linear sweep spacing.
LFO:SWE:POIN 11
sets 11 sweep steps for linear sweep spacing. The sweep step
width (STEP) is automatically set to 2 kHz.
[:SOURce<hw>]:LFOutput:SWEep[:FREQuency]:RETRace <State>
Activates that the signal changes to the start frequency value while it is waiting for the
next trigger event.
You can enable this feature, when you are working with sawtooth shapes in sweep
mode "Single" or "External Single".
Parameters:
<State> 0 | 1 | OFF | ON
*RST: 0
SOURce Subsystem