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Chapter 3 Features and Functions
Amplitude Modulation (AM)
3
Carrier Waveform Shape
• AM carrier shape: Sine (default), Square, Pulse, Ramp, Triangle,
Noise, PRBS, or Arbitrary waveform. You cannot use DC as the
carrier waveform.
• Front-Panel Operation: Select any waveform under except DC.
For arbitrary waveforms, press Arb and Arbs, and then choose the
Select Arb softkey to select the active waveform.
• Remote Interface Operation:
FUNCtion
{SINusoid|SQUare|PULSe|RAMP|ARB|NOISe|PRBS}
You can also use the
APPLy
command to select the function, frequency
,
amplitude, and offset with a single command.
Carrier Frequency
The maximum carrier frequency depends on the function selected as
shown below. The default is 1 kHz for all functions. Arbitrary waveform
“frequency” is also set using the FUNCtion:ARBitrary:SRATe command.
• Front-Panel Operation: To set the carrier frequency, press the
button, then the Frequency softkey. Then use the knob or numeric
keypad to enter the desired frequency.
• Remote Interface Operation:
[SOURce[1|2]:]FREQuency {<frequency>|MINimum|MAXimum}
You can also use the
APPLy
command to select the function, frequency
,
amplitude, and offset with a single command.
Function Minimum Frequency Maximum Frequency
Sine
Square
Ramp
Pulse
PRBS
Noise BW
Arbs
1 Hz
1 Hz
1 Hz
1 Hz
1 Hz
1 mHz
1 Sa/sec
30 MHz
30 MHz
200 kHz
30 MHz
30 MHz
30 MHz
250 MSa/sec
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