Configuring the Internal Baseband Source
R&S
®
SMW200A
274User Manual 1175.6632.02 ─ 30
Remote command:
[:SOURce<hw>]:BB:DM:FSK:VARiable:SYMBol<ch0>:DEViation on page 1000
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 1001
[:SOURce<hw>]:BB:DM:APSK32:GAMMa on page 1001
State Modulation CW Switching
Option: R&S SMW-B10 or R&S SMW-B9 with "System Config > Mode = Advanced"
Enables/disables switching between the digitally modulated and an unmodulated (CW)
signal.
Remote command:
[:SOURce<hw>]:BB:DM:SWITching:STATe on page 1002
5.6.3.5 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 5.5.1.6, "Suppor-
ted Baseband Filters", on page 247.
Generating Custom Digital Modulated Signals
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