Module 7
Measurement Functions
7-45
CONST
VAR2
VAR2
CONST
Bias Hold ON
Bias Hold OFF
VAR1/VAR1’/CMU
VAR1/VAR1’/CMU
Source or Base value for Sampling
Stop or Start value
End of Single measurement
or
Start of next measurement
Stop value
O V
O V
O V
Bias Hold After Measurement
Bias hold function keeps bias output after a measurement is made. For instance, the user may need
to keep one or more SMUs on between measurements to bias up a Vcc pin of an IC. Without this
function, a user is forced to connect an external power supply. Now there is no need for extra
supplies.
When this function is ON, the source channels apply the following value.
Constant source: Base value or Source value (I/V-t sampling)
Constant source: Source value (I/V Sweep or C-V Sweep)
VAR1/VAR1’ source: Start value or Stop value (I/V Sweep)
VAR2 source: Stop value (I/V Sweep)
CMU: Start value or Stop value (C-
V Sweep)
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