Rohde & Schwarz SMBV100A, Руководство по эксплуатации

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Remote Control Commands
R&S
®
SMBV100A
625 Operating Manual 1176.8016.02 ─ 17
The resulting clipped peak power is defined by sum of the the RMS level of the unclip-
ped multi carrier signal and the input parameter Target Crest Factor. Note that clipping
reduces also the RMS level. Hence the resulting crest factor of the clipped signal is
slightly above the Target Crest Factor. In order to get the unclipped parts of the clipped
multicarrier signal matched with the unclipped multicarrier signal, the RF output power
should be reduced by the difference between resulting crest factor and Target Crest
Factor.
Parameters:
<State> 0 | 1 | OFF | ON
*RST:
0
Example: BB:ARB:MCAR:CLIP:STAT ON
enables clipping
BB:ARB:MCAR:CLIP:CFAC 37 dB
sets the target crest factor.
Manual operation: See "Clipping" on page 427
[:SOURce<hw>]:BB:ARBitrary:MCARrier:CLOad
Creates and loads a multi carrier waveform using the current entries of the carrier
table.
This multi carrier waveform is saved with the file name specified with command
SOUR:BB:ARB:MCAR:OFIL
. The file extension is
*.wv
.
Digital standard "ARB" is activated, the new multi carrier waveform is loaded and is
output in accordance to the trigger settings.
Example: MMEM:CDIR '/var/user/waveform'
sets the default directory.
BB:ARB:MCAR:OFIL 'mcar1_2'
defines the file name
mcar1_2.wv
for the multi carrier wave-
form.
BB:ARB:MCAR:CLO
creates multi carrier waveform
mcar1_2.wv
.
The new multi carrier waveform is loaded and digital standard
"ARB" is activated.
Usage: Event
Manual operation: See "Create and Load" on page 432
[:SOURce<hw>]:BB:ARBitrary:MCARrier:CLOCk?
The command queries the resulting sample rate at which the multi carrier waveform is
output by the arbitrary waveform generator. The output clock rate depends on the num-
ber of carriers, carrier spacing and input sample rate of the leftmost or rightmost carri-
ers.
SOURce Subsystem