Features and Functions

2

Phase Deviation

The phase deviation setting represents the peak variation in phase of the modulated waveform from the carrier waveform. The phase deviation setting can be set from

0to 360°. The default phase deviation setting is 180°.

Soft Front Panel Operation

On the Phase Deviation panel as shown in Figure 2- 20, input the desired phase deviation value.

Remote Interface Operation

PM:DEViation <deviation in degrees>

Generate PM Using SCPI Commands

Example 1

 

-> *CLS; *RST

//To reset the U2761A to default

 

power-on state, this command

 

can be ignored if this operation

 

is not required.

-> PM:STAT ON

//Enables PM.

-> FUNC SIN

//Sets the carrier waveform to

 

Sine wave.

-> FREQ 1000

//Sets the carrier frequency to

 

1 kHz.

-> VOLT 5 VPP

//Sets the output amplitude to

 

5 Vpp.

-> VOLT:OFFS 0

//Sets the output offset to 0.

-> PM:INT:FUNC SIN

//Changes the modulating

 

waveform shape to Sine wave.

-> PM:INT:FREQ 500

//Changes the modulating

 

frequency to 500 Hz.

-> PM:DEV 180

//Changes the phase deviation to

 

180°.

-> OUTP ON

//Turns on output.

U2761A User’s Guide

65

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Agilent Technologies U2761A manual Phase Deviation, Generate PM Using Scpi Commands