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®
R&S
SMBVB-K548
1 Welcome to the R&S SMBVB-K548 option
The R&S SMBVB-K548 is a software option that allows you to generate signals with
reduced crest factor.
R&S SMBVB-K548 key features
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Reduces the crest factor of a baseband signal through clipping the high signal
peaks and filtering the waveform afterwards.
●
Can be applied to any waveform file loaded in the arbitrary waveform generator.
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It uses an iterative process to reach the desired crest factor delta.
●
It is possible to adjust the filter characteristics. In simple mode, you can specify the
channel spacing and signal bandwidth. Alternatively in the advanced filter mode
you can specify the lowpass filter through passband and stopband frequencies.
This user manual contains a description of the functionality that the application pro-
vides, including remote control operation.
All functions not discussed in this manual are the same as in the base unit and are
described in the R&S SMBV100B user manual. The latest version is available at:
www.rohde-schwarz.com/manual/SMBV100B
Installation
You can find detailed installation instructions in the delivery of the option or in the
R&S SMBV100B service manual.
1.1 Accessing Crest Factor Reduction settings
1. In the block diagram of the R&S SMBV100B, select the "Baseband" > "ARB".
The "ARB" dialog box opens and provides general "ARB" settings.
2. Select "Crest Factor Reduction".
The signal generation is not started immediately. To reduce crest factors with the
default settings, see
1.2 What's new
This manual describes firmware version FW 5.30.047.xx and later of the
R&S
User Manual 1179.0922.02 ─ 05
"Activating crest factor reduction"
®
SMBV100B.
Welcome to the R&S SMBVB-K548 option
on page 11.
What's new
5
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