Source]:am:source, Source]:am:state – RIGOL DSG3000 Series User Manual

Page 38

Advertising
background image

RIGOL

Chapter 2

Command System

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

signal via the

[:SOURce]:LFOutput:LEVel

command.

 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*/

Advertising