2-14 Agilent 4155B/4156B User’s Guide Vol.2, Edition 5
Measurement Mode
Sampling Measurement Mode
Sampling Measurement Mode
For a sampling measurement, you can monitor current or voltage changes at a DUT
while forcing constant current, constant voltage, or pulsed constant bias.
The 4155B/4156B provides the following three types of sampling measurement
according to the sampling interval:
•“Linear Sampling Measurement”
•“Thinned-out Sampling Measurement”
•“Logarithmic Sampling Measurement”
Available Units
Available units and functions for sampling measurement are shown below:
n.a. means "This is not available for sampling measurement".
· means "This is available for sampling measurement".
- means "This is not available for this unit".
For sampling measurements, only the PGU output can be pulsed.
The pulse output timing from PGU is not synchronized with the timing of sampling
measurement.
Unit
Output Function Output Mode
Pulse
Meas.
Mode
VAR1 VAR1' VAR2 CONST STANDBY V I COM V I
SMU n.a. n.a. n.a.
· · ···
n.a.
··
VSU n.a. n.a. n.a.
·· ·-----
VMU
---- - ----·-
GNDU
---· - --· ---
PGU
---· · ·--·--
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