R&S SMC100A Frequency Modulation - FM
1411.4060.32 4.83 E-4
In case of selection Source Int, the settings for the internal modulation sources are offered in the AM
Source = INTernal section of the Amplitude Modulation menu. These settings affect all analog
modulations which use the same modulation sources.
LF Gen Freq - AM
(Source Internal)
Sets the frequency of the LF generator.
Remote-control command:
SOUR:LFO:FREQ 1E3
Frequency Modulation - FM
An internal or external source can be selected for frequency modulation. A LF modulation generator is
available as internal sources.
The MOD EXT input connector for external feed of analog modulation signals is at the front of the
instrument. The coupling mode of the input (AC or DC) can be selected.
Note:
It is not possible to use frequency modulation simultaneously with phase modulation.
f
Frequency Modulation Menu
The Frequency Modulation menu is opened in the Mod function block or using the SETUP key under
Mod.
In the upper section of the menu, the modulation source is selected and the modulation is switched on.
The modulation source can be selected independently for the different modulation types and the LF
output. The configuration of the selected external or internal modulation source is performed in the
lower section of the menu or in the Mod Gen block (internal source only). These settings affect all
modulations which use the same modulation sources.
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