Agilent Technologies 33250A User Manual (English)

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Chapter 3 Features and Functions

Burst Mode

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

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.

• You can insert a time delay between the receipt of the trigger and the

start of the

burst waveform (used in

triggered

burst mode only).

• Front-Panel Operation:Press the Trigger Setup softkey and then

select the desired source by pressing the Source softkey.

To insert a trigger delay, press the Delay softkey (used in the

triggered burst mode only).

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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General

Frequency Range	1 µHz to 80 MHz
Amplitude Range	10 mVpp to 10 Vpp into 50 Ω
Output Impedance	50 Ω
Modulation Types	AM, FM, PM, FSK, PWM
Sweep Modes	Linear, Logarithmic
Function Generator Type	Arbitrary
Waveforms	Sine, Square, Ramp, Triangle, Noise, Arbitrary
Interface	GPIB, USB