Selects the modulation signal source for frequency modulation.
You can use both, the internal and an external modulation signal at a time.
Parameters: | ||||
<Source> | INT Uses the internally generated signal for modulation. To configure the frequency, use the commands of the "SOURce:LFOutput Subsystem" subsystem. With command Uses an externally applied modulation signal. The external analog signal is input at the FM/PM EXT connector. The external digital signal is input at the AUX I/O connector (selection EDIGital). INT,EXTUses both, the internal and external modulation signals. EDIGitalUses an externally applied digital modulation signal.
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Example: | FM:SOUR INT selects the internal modulation source. | |||
Options: | Option R&S SMA-B20 or -B22 | |||
Manual operation: | See "FM Source" |
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