Gw-instek AFG-2225 User Manual Manuel d'utilisateur télécharger pdf (Page 218)

AFG-2225 Series User Manual

218

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

2. Turn on AM modulation using the

SOURce[1|2]: AM:STAT ON command

3. 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.

4. Select an internal or external modulation source

using the SOURce[1|2]:AM:SOUR command.

5. Use the SOURce[1|2]:AM:INT:FUNC

command to select a sine, square, upramp,

dnramp or triangle modulating waveshape. For

internal sources only.

6. Set the modulating frequency using the

SOURce[1|2]: AM:INT:FREQ command. For

internal sources only.

7. Set the modulation depth using the

SOURce[1|2]: AM:DEPT command.

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Gw-instek AFG-2225 User Manual Manuel d'utilisateur Page 218