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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.