Source]:am:source, Source]:am:state – RIGOL DSG3000 Series User Manual
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RIGOL
2-18
DSG3000 Programming Guide
[:SOURce]:AM:SOURce
Syntax
[:SOURce]:AM:SOURce EXTernal|INTernal|INTernal,EXTernal
[:SOURce]:AM:SOURce?
Description
Select the AM modulation source.
Query the AM modulation source.
Parameter
Name
Type
Range
Default
EXTernal|INTernal|
INTernal,EXTernal
Discrete EXTernal|INTernal|INTernal,EXTernal INTernal
Explanation
EXTernal: select "Ext" modulation source. At this point, the external
modulating signal is input from the [EXT MOD INPUT] connector.
INTernal: select "Int" modulation source. At this point, the instrument provides
the modulating signal and you can set the modulation frequency and
modulation waveform of the modulating signal. In addition, when the AM and
MOD switches are both enabled, you can set the amplitude of the modulating
INTernal,EXTernal: select the "Int + Ext" modulation source. At this point, you
can operate both the internal and external modulating sources. For example,
perform dual-tone AM signal modulation.
Return Format
The query returns the type of the AM modulation source. For example, EXT.
Example
:AM:SOUR EXT
:AM:SOUR?
Related
Commands
[:SOURce]:AM:FREQuency
[:SOURce]:AM:WAVEform
[:SOURce]:LFOutput:LEVel
[:SOURce]:AM:STATe
Syntax
[:SOURce]:AM:STATe ON|OFF|1|0
[:SOURce]:AM:STATe?
Description
Set the AM switch state.
Query the AM switch state.
Parameter
Name
Type
Range
Default
ON|OFF|1|0
Bool
ON|OFF|1|0
OFF
Explanation
ON: turn on the AM switch and enable the AM function.
OFF: turn off the AM switch and disable the AM function.
Return Format
Return 1 or 0.
Example
:AM:STAT ON /*Turn on the AM switch*/
:AM:STAT? /*The query returns 1*/