Instrument Function
R&S
®
SMU200A
235Operating Manual 1007.9845.32 ─ 15
The AM modulation depth is limited by the maximum peak envelope power (PEP).
Amplitude Modulation Menu
To open the "Amplitude Modulation" menu, select "RF/A Mod > Configure > Amplitude
Modulation" or use the MENU key under "RF/A Mod".
The middle section of the combined menu "Pulse/Amplitude Modulation/Broadband
AM" provides access to the amplitude modulation settings.
The top section provides access to the pulse modulation settings, see chapter 5.5.11.6,
"Pulse Modulation (PM)", on page 244.
The lower section provides access to the broadband amplitude modulation settings, see
chapter 5.5.11.3, "Broadband Amplitude Modulation (BB-AM)", on page 237.
State
Activates/deactivates AM modulation.
Activation of AM deactivates:
●
BB AM,
●
I/Q modulation,
●
arbitrary waveform generation,
●
digital modulation and
●
digital standards.
SCPI command:
[:SOURce<hw>]:AM:STATe on page 569
AM Source
Selects the source for the AM signal.
"Internal"
Selects the internal LF generator as the source for AM modulation.
"External"
Selects the external source.
The external signal is input via the EXT MOD connector.
RF Signal and Analog Modulations - RF Block
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