Instrument Function
R&S
®
SMBV100A
194Operating Manual 1407.6062.32 ─ 08
State
Activates/deactivates FM modulation.
Activation of FM deactivates phase modulation.
SCPI command:
[:SOURce<hw>]:FM:STATe on page 626
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 625
FM Mode
Selects the mode for the frequency modulation.
"Normal"
The maximum range for modulation bandwidth and FM deviation is
available.
"Low Noise"
Frequency modulation with phase noise and spurious characteristics
close to CW mode. The range for modulation bandwidth and FM devi-
ation is reduced (see data sheet).
"High Devia-
tion"
Frequency modulation with full setting range for FM deviation. The
range for modulation bandwidth is reduced (see data sheet).
SCPI command:
[:SOURce<hw>]:FM:MODE on page 624
RF Signal and Analog Modulations - RF Block
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