Agilent Technologies 16440A Guia do Utilizador descarregar pdf (Página 179)

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Agilent 4155C/4156C User’s Guide Vol.2, Edition 6 5-5

Stress Force

Stress Function

Switching Channels Connected to DUT

The 4155C/4156C can control Agilent 16440A SMU/Pulse Generator Selector to

automatically switch units that are connected to a DUT pin. You set up this

automatic control on the STRESS: CHANNEL DEFINITION screen.

For example, the DUT pin is connected to a PGU for stress force when

Stress

front-panel key in the MEASUREMENT key group is pressed, then connected to an

SMU for measurement when

Single front-panel key is pressed.

For details about how to control the 16440A selector, refer to Chapter 8.

External Stress Source

The following trigger functions allow you to force stress from more than 4 channels

by using external pulse generators, voltage sources, or current sources.

• gate trigger while stress is forced

The 4155C/4156C can output a gate trigger while stress channels are forcing

stress. For details about this gate trigger, refer to Chapter 8.

• gate trigger of PGUs

The output trigger terminal of PGUs (41501A/B) can output a gate trigger to

external pulse generators. So, use this function if you need more than two ac

stress channels.

For example, you can use Agilent 8110A pulse generator to force ac stress by

using this trigger.

PGU outputs a gate trigger that is synchronized with pulse output. For details of

the trigger signal, refer to Chapter 8.

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