3-6 Agilent 4155B/4156B User’s Guide Vol.2, Edition 5
Measurement Functions
Stress Force 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 ms to
1 year (3.1536´10
7
s).
setting resolution:
• When the specified time is 10 s or less: 100 ms
• When the specified time is more than 10 s: 10 ms