User`s guide

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

Stress Force

Stress Function

Stress Mode

You set stress mode to the pulse count mode or duration mode.

Pulse count mode

You specify the pulse count (1 to 65535). The total stress time is determined by the

pulse count and pulse period.

The pulse count mode is used only when a PGU is used to force ac stress (that is,

PGU is set to MODE=VPULSE and FCTN=SYNC on the STRESS:CHANNEL

DEFINITION screen).

Duration mode

You specify the total stress time directly in seconds. Allowable range is 500 μs to

1 year (3.1536×10

s).

setting resolution:

• When the specified time is 10 s or less: 100 μs

• When the specified time is more than 10 s: 10 ms