R&S SMW-K548 User Manual page 18

Crest factor reduction
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®
R&S
SMW-K548
Manual operation:
[:SOURce<hw>]:BB:ARBitrary:CFR:FORDer <ArbCfrMaxFilOrd>
Sets the maximum filter order, if
set to ENHanced.
Parameters:
<ArbCfrMaxFilOrd>
Example:
Manual operation:
[:SOURce<hw>]:BB:ARBitrary:CFR:ITERations <ArbCfrMaxIter>
Sets the number of iterations that are used for calculating the resulting crest factor. The
iteration process is stopped when the desired crest factor delta is achieved by 0.1 dB.
Parameters:
<ArbCfrMaxIter>
Example:
Manual operation:
[:SOURce<hw>]:BB:ARBitrary:CFR:MEASure[:STATe]?
Queries the state of the crest factor reduction calculation.
Return values:
<MeasureState>
Example:
Usage:
[:SOURce<hw>]:BB:ARBitrary:CFR:OCFactor?
Queries the original crest factor of the waveform after the calculation of the resulting
crest factor is completed. The original crest factor is calculated as an average over the
whole waveform, including any idle periods that might be present in TDD waveforms.
User Manual 1179.0939.02 ─ 01
See
"Filter Mode"
on page 12
[:SOURce<hw>]:BB:ARBitrary:CFR:FILTer
integer
Range:
0 to 300
*RST:
100
See
Example "Configuring the CFR"
See
"Maximum Filter Order"
integer
Range:
1 to 10
*RST:
5
See
Example "Configuring the CFR"
See
"Max Iterations"
on page 12
0 | 1 | OFF | ON
ON: the original and resulting crest factors are already calcula-
ted.
*RST:
0
See
Example "Configuring the CFR"
Query only
Remote-Control Commands
on page 16.
on page 14
on page 16.
on page 16.
is
18

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