76
4-7-2. Burst Modes
Burst mode can be configured using Triggered (N Cycle mode) or Gated mode.
Using N Cycle/Triggered mode, each time the function generator receives a trigger,
the function generator will output a specified number of waveform cycles (burst).
After the burst, the function generator will wait for the next trigger before outputting
another burst. N Cycle is the default Burst mode. Triggered mode can use internal
or external triggers.
The alternative to using a specified number of cycles, Gated mode uses the
external trigger to turn on or off the output. When the Trigger INPUT signal is high,
waveforms are continuously output. When the Trigger INPUT signal goes low, the
waveforms will stop being output after the last waveform completes its period. The
voltage level of the output will remain equal to the starting phase of the burst
waveforms, ready for the signal to go high again.
Burst Mode
Burst Count Burst Period Phase
Trigger Source
Triggered (Int)
Available
Available
Available
Immediate
Triggered (Ext)
Available
Not used
Available
EXT, Bus
Gated pulse (Ext) Not used
Not used
Available
Unused
Panel Operation
1.
Press the Burst key.
Burst
2.
To select either N Cycle (F1) or
Gate (F2).
N Cycle
F1
~
Gate
F2
Note
In gate mode, burst count, burst cycle, trigger source will
be ignored, Also trigger source will be only in the external
trigger signal.
4-7-3. Burst Frequency
In the N Cycle and Gated modes, the waveform frequency sets the repetition rate
of the burst waveforms. In N-Cycle mode, the burst is output at the waveform
frequency for the number of cycles set. In Gated mode the waveform frequency is
output while the trigger is high. Burst mode supports sine, square or ramp
waveforms.
Panel Operation
1.
Press the FREQ/Rate key.
FREQ/Rate
2.
The FREQ parameter will become highlighted in the
parameter window.
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