Configuring the Internal Baseband Source
R&S
®
SMBV100B
250User Manual 1178.4460.02 ─ 03
Parameter Value
Source Internal
Multichannel Setup
Start Carrier 0
Stop Carrier 0
State on
Power 0 dB
Power Step 0 dB
Initial Phase 0°
Phase Step 0°
Channel Setup
State ON
Phase 0°
Power 0 dB
3.10 Shifting and Boosting the Baseband Signal
The R&S SMBV100B provides settings to frequency offset the internally generated and
externally supplied baseband signal.
3.10.1 About the Baseband Offsets
The applied baseband frequency and phase offset and path gain affect the signal on
the output of the corresponding block, "Baseband" or "BB Input". The shifting of the
central frequency of the baseband signal is one of the tasks of the resampler.
3.10.1.1 Impact of the Frequency Offset
For some applications, it is helpful to shift the baseband signal with a user defined
baseband frequency offset to a different center frequency so that the signal character-
istics are improved. The provided parameter frequency offset shifts the center fre-
quency of the wanted baseband signal and provides a quick way to shift the used fre-
quency band in the RF frequency domain without modifying the RF settings.
See Chapter 3.10.3, "How to Improve Signal Characteristics by Shifting the Wanted
Baseband Signal", on page 253.
Shifting and Boosting the Baseband Signal
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