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Chapter 3 Features and Functions
Burst Mode
3
Burst Trigger Source
In the triggered burst mode, the function generator outputs a burst
with the specified number of cycles (burst count) each time a trigger is
received. After the specified number of cycles have been output,
the function generator stops and waits for the next trigger. At power-on,
the internally-triggered burst mode is enabled.
• Burst trigger source: Internal, External, or Manual. The default
is Internal.
•When the Internal (immediate) source is selected,
the frequency
at
which the burst is generated is determined by the burst period.
•When the External source is selected, the function generator will
accept a hardware trigger applied to the rear-panel Trig In connector.
The function generator outputs the specified number of cycles each
time Trig In receives a TTL pulse with the specified polarity.
External trigger signals that occur during a burst are ignored.
•When the Manual source is selected, the function generator outputs
one burst each time the front-panel key is pressed.
•When the External or Manual trigger source is selected, the burst
count and burst phase remain in effect but the burst period is ignored.
• Front-Panel Operation:Press the Trigger Setup softkey and then
select the desired source by pressing the Source softkey.
To specify whether the function generator triggers on the rising or
falling edge of the signal on the Trig In connector, press the
Trigger Setup softkey. Then select the desired edge by pressing
the Slope softkey.
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