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Amplitude modulation (am) commands, Am overview – GW Instek AFG-3000 Series User Manual

Page 223

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INTERFACE

223

Amplitude Modulation (AM) Commands

AM Overview

To successfully create an AM waveform, the following commands
must be executed in order.

Enable AM

Modulation

Configure Carrier

Select

Modulation

Source

Select Shape

Set Modulating

Frequency

Set Modulation

Depth

1. Turn on AM modulation using the

SOURce[1]: AM:STAT ON command

2. Use the APPLy command to select a carrier

waveform. Alternatively the equivalent
FUNC, FREQ, AMPl, and DCOffs commands
can be used to create a carrier waveform with
a designated frequency, amplitude and offset.

3. Select an internal or external modulation

source using the SOURce[1]:AM:SOUR
command.

4. Use the SOURce[1]:AM:INT:FUNC command

to select a sine, square, upramp, dnramp or
triangle modulating waveshape. For internal
sources only.

5. Set the modulating frequency using the

SOURce[1]: AM:INT:FREQ command. For
internal sources only.

6. Set the modulation depth using the

SOURce[1]: AM:DEPT command.