Configuring the Internal Baseband Source
R&S
®
SMBV100B
124User Manual 1178.4460.02 ─ 03
Deviation xxxx
For "Variable FSK", sets the deviation of the associated symbol. The number of sym-
bols depends on the selected modulation type. The value of each symbol is indicated
in binary format.
Remote command:
[:SOURce<hw>]:BB:DM:FSK:VARiable:SYMBol<ch0>:DEViation on page 721
Gamma/Gamma 1
Selects the gamma function γ for the 16APSK and 32APSK modulations.
The values in brackets indicate the used code rate according to the DVB-S2 specifica-
tion.
Remote command:
[:SOURce<hw>]:BB:DM:APSK16:GAMMa on page 722
[:SOURce<hw>]:BB:DM:APSK32:GAMMa on page 722
State Modulation CW Switching
Enables/disables switching between the digitally modulated and an unmodulated (CW)
signal.
Remote command:
[:SOURce<hw>]:BB:DM:SWITching:STATe on page 723
3.5.3.5 Filter Settings
Access:
► Select "Baseband > Custom Digital Mod > Filter".
This tab provides access to the filter settings, like filter type and if available further filter
settings. A simplified diagram shows the filter characteristic of the selected filter.
This section focuses on the available settings. For background information on how the
settings affect the signal and the filter characteristics, refer to Chapter 3.4.1.6, "Suppor-
ted Baseband Filters", on page 105.
Generating Custom Digital Modulated Signals
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