Chapter 2 Command System RIGOL
DSA800E Programming Guide 2-119
[:SENSe]:DEMod
Syntax
[:SENSe]:DEMod AM|FM|OFF
[:SENSe]:DEMod?
Description
Set the demodulation type or disable the demodulation.
Query the demodulation type.
Parameter
Explanation
AM: amplitude modulation
FM: frequency modulation
OFF: off
When AM or FM is selected, the spectrum analyzer enables the demodulation function automatically. At this
point, the [:SENSe]:DEMod:STATe
? command returns 1.
When OFF is selected (equivalent to the
[:SENSe]:DEMod:STATe OFF|0 command), the spectrum analyzer
disables the demodulation function. At this point, the command
[:SENSe]:DEMod:STATe? returns 0.
Return Format
The query returns AM, FM or OFF.
Example
The command below sets the demodulation type to AM.
:SENSe:DEMod AM
The query below returns AM.
:SENSe:DEMod?
[:SENSe]:DEMod:GAIN:AUTO
Syntax
[:SENSe]:DEMod:GAIN:AUTO OFF|ON|0|1
[:SENSe]:DEMod:GAIN:AUTO?
Description
Enable or disable the auto setting mode of the signal gain.
Query the status of the auto setting mode of the signal gain.
Parameter
Explanation
When the demodulation function is enabled (namely AM or FM is selected), this command is valid.
Return Format
The query returns 0 or 1.