Ossila FACT1 User Manual page 80

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enabling
innovative electronics
Note: With this flag enabled, the mobility will be calculated in correspondence of the gate voltage
interval [V
,V
], which remains the same for each DUTs. Use this flag to force SuperFACT to
Start
End
calculate the mobility over a pre-determined and constant gate voltage interval.
Flag 2: AutoFWHM The interval of validity is estimated on the assumption that the mobility can peak
at a value
, see figure 26. The AutoFWHM locates the peak of
the Full Width at Half Maximum (FWHM). The interval of validity is the calculated from this FWHM. If
no peak is detected, the V
V
= max {
}, with
Start
Flag 2: AutoRange As for AutoFWHM, the AutoRange subroutine attempts to locate the
any, and use it to calculate the upper and lower bound of the validity intervals. If the mobility peak
does not exist, it locates the maximum of the derivative (which should be located at V
analyses the behaviour of
Ossila Ltd
is taken as the maximum voltage between
Start
gate voltage at which the drain current is equal to 5% of I
to located V
.
start
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, if any, and estimates
(if exists) and V
, i.e.
5%
.
Max
peak, if
) and then
GS End
80

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