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Chapter 3 Features and Functions

Burst Mode

• Remote Interface Operation:

TRIGger:SOURce {IMMediate|EXTernal|BUS}

Use the following command to insert a trigger delay.

TRIGger:DELay {<seconds>|MINimum|MAXimum}

Use the following command to specify whether the function generator

triggers on the rising or falling edge of the Trig In connector.

TRIGger:SLOPe {POSitive|NEGative}

See “Triggering” on page 98 for more information on triggering.

Trigger Out Signal

A “trigger out” signal is provided on the rear-panel Trig Out connector

(used with burst and sweep only). When enabled, a TTL-compatible

square waveform

with either a rising edge (default) or falling edge is

output from the

Trig Out

connector

at the beginning of the burst.

•When the Internal (immediate) trigger source is selected the function

generator outputs a square waveform with a 50% duty cycle from the

Trig Out connector at the beginning of the burst. The frequency of the

waveform is equal to the specified burst period.

•When the External trigger source is selected, the function generator

automatically disables the “trigger out” signal. The

Trig Out

connector

cannot be used for both operations at the same time (an externally-

triggered waveform uses the same connector to trigger the burst).

•When the Manual trigger source is selected, the function generator

outputs a pulse (>1 µs pulse width) from the Trig Out connector at the

beginning of each burst.

•

Front-Panel Operation

: After enabling bursts, press the

Trigger Setup

softkey. Then select the desired edge by pressing the Trig Out softkey.

• Remote Interface Operation:

OUTPut:TRIGger:SLOPe {POSitive|NEGative}

OUTPut:TRIGger {OFF|ON}

Agilent Technologies 33250A User Manual

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