User manual

RIGOL DG1022 Commands System
Programming Guide for DG1022
2-36
The detailed information of each command are:
1. AM:SOURce
Command
Format
AM:SOURce {INTernal|EXTernal}
Function
Select internal or external modulation source, the default is INT.
Example
AM:SOUR EXT
2. AM:SOURce?
Command
Format
AM:SOURce?
Function
Query the modulation source of AM.
Return Value
The query returns INT or EXT.
3. AM:INTernal:FUNCtion
Command
Format
AM:INTernal:FUNCtion
{SINusoid|SQUare|RAMP|NRAMp|TRIangle|NOISe|USER}
Function
Select the internal modulation wave of AM.
Explanations
In internal modulation source mode, the modulation wave could be
sine, square, ramp, negative ramp, triangle, noise or arbitrary
wave, the default is sine.
Example
AM:INT:FUNC SQU
4. AM:INTernal:FUNCtion?
Command
Format
AM:INTernal:FUNCtion?
Function
Query the internal modulation wave of AM that has been selected.
Return Value
The query returns SIN, SQU, RAMP, NRAM, TRI, NOIS or USER.
5. AM:INTernal:FREQuency
Command
Format
AM:INTernal:FREQuency {<frequency>|MINimum|MAXimum}
Function
Set the frequency of internal modulation of AM in Hz.
Explanations
Frequency range: 2mHz～20kHz
Example
AM:INT:FREQ 200
6. AM:INTernal:FREQuency?