Instrument Function
R&S
®
SMU200A
239Operating Manual 1007.9845.32 ─ 15
The top section of the combined menu "Frequency/Phase Modulation" provides access
to the frequency modulation settings.
The the lower section of the combined menu provides access to phase modulation, see
chapter 5.5.11.5, "Phase Modulation (PhiM)", on page 241
State
Activates/deactivates FM modulation.
Activation of FM deactivates phase modulation.
SCPI command:
[:SOURce<hw>]:FM:STATe on page 710
FM Source
Selects the source for the FM signal.
"Internal"
Selects the internal LF generator as the source for FM modulation.
"External"
Selects the external source.
The external signal is input via the EXT MOD connector.
"Internal +
External"
Selects the internal and external source at the same time.
This setting enables two-tone FM modulation.
SCPI command:
[:SOURce<hw>]:FM:SOURce on page 709
FM Mode
Selects the mode for the frequency modulation.
"Normal"
The maximum range for modulation bandwidth and FM deviation is avail-
able.
RF Signal and Analog Modulations - RF Block
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