Agilent-technologies AGILENT U2761A Uživatelský manuál stáhnout pdf (Strana 97)

Features and Functions 2

U2761A User’s Guide 79

ASK Rate

The ASK rate is the rate at which the output amplitude

“shifts” between two preset amplitudes. The range of the

ASK rate is 2 mHz to 100 kHz. The default ASK rate value is

10 Hz.

Soft Front Panel Operation

On the ASK Rate panel as shown in Figure 2- 26, input the

desired ASK rate value and select the unit from the drop

down list.

Remote Interface Operation

ASKey:INTernal:RATE <rate in Hz>

Generate ASK Modulation 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.

-> ASK:STAT ON //Enables ASK modulation.

-> 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.

-> ASK:INT:RATE 10 //Sets the ASK rate to

10 Hz.

-> OUTP ON //Turns on output.

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Agilent-technologies AGILENT U2761A Uživatelský manuál Strana 97