Phase Modulation - PhiM R&S SMC100A
1411.4060.32 4.86 E-1
Phase Modulation - PhiM
An internal or external source can be selected for phase 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 phase modulation simultaneously with frequency modulation.
Phase Modulation Menu
The Phase 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 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.
State – PhiM
Activates/deactivates PhiM modulation.
Activation of PhiM deactivates frequency modulation.
Remote-control command:
SOUR:PM:STAT ON
PhiM Source
Selects the source for the PhiM signal.
Int
Selects the internal source for PhiM modulation.
Remote-control command:
SOUR:PM:SOUR INT
Ext
Selects the external source for analog phase
modulation. The external signal is input via the MOD
EXT connector.
Remote-control command:
SOUR:PM:SOUR EXT
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