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Chapter 3 Features and Functions
Burst Mode
3
Waveform Frequency
The
waveform frequency
defines the signal frequency during the burst
in
the triggered and external gated modes. In the triggered mode, the
number of cycles specified by the burst count is output at the waveform
frequency. In the external gated mode, the waveform frequency is output
when the external gate signal is true.
Keep in mind that the waveform frequency is different than the “burst
period” which specifies the interval between bursts (triggered mode only).
• Waveform frequency: 1
Hz to 30 MHz
(limited to 200 kHz for
ramps
).
The default waveform frequency is 1 kHz
.
(For an internally
triggered burst waveform, the minimum frequency is 126 Hz.) You
can select a sine, square, triangle, ramp, pulse, or arbitrary waveform
(noise is allowed only in the gated burst mode and DC is not allowed).
• Front-Panel Operation: To set the waveform frequency, press the
Freq softkey for the selected function. 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.
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