Instrument Function
R&S
®
SMBV100A
251Operating Manual 1176.8016.02 ─ 17
Amplitude Modulation Settings
To open the "Amplitude Modulation" dialog, select "RF/A Mod > Configure > Amplitude
Modulation" or use the MENU key under RF/A Mod.
In the upper section of the dialog, the modulation source is selected and the modula-
tion switched on. The modulation source can be selected independently for the differ-
ent modulation types and the LF output.
The configuration of the selected external and/or internal modulation source is per-
formed in the lower section of the dialog or in the "LF Output" dialog (internal source
only).
These settings affect all modulations which use the same modulation source.
State
Activates amplitude modulation.
Activation of AM deactivates:
●
I/Q modulation
●
arbitrary waveform generation
●
digital modulation
●
digital standards
Remote command:
[:SOURce<hw>]:AM:STATe on page 591
AM Source
Selects the source for the AM modulation signal.
"Internal"
Uses the internal LF generator as modulation signal source for AM.
"External"
Uses an externally applied modulation signal.
The external signal is input via the EXT MOD connector.
"Intern + Extern"
Uses both, the internal and externally applied modulation signal, for
example to perform two-tone AM.
Remote command:
[:SOURce<hw>]:AM:SOURce on page 591
RF Block
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