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innovative
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Ossila Ltd
Copyright © 2009-2015
47
Output Characteristics: Drain
14.
Enter
SMU Name
,
Channel
and set
Auto Zero
=
Once.
The Drain SMU name and channel are
KeithleyO
and
b
, respectively for Keithley and
SMUB
and
0
, respectively for PXI
15.
Enter the I
DS
(V
DS
) sweep parameter:
V
DS
Start
,
V
DS
End
and
ΔV
DS
in Volts
16.
Enter
Delay
for the Drain SMU (settling time after the DRAIN source applies the driving
voltage V
DS
). Drain delay can be substantially lower than GATE Delay.
17.
Enter DRAIN SMU
Current Limit
(in Ampere)
Transfer Characteristics: Gate
18.
Enter
SMU Name
,
Channel
, these commands are the
same as for the Output Characteristic
case. Set
Auto Zero
=
Once
19.
Set the saturation and transfer curves sweep by entering the start, end and step voltage
using
V
GS
Start
,
V
GS
End
and
ΔV
GS
(in Volts)
20.
Enter GATE
Delay
(in seconds). Depending on the value of ΔV
GS
and on the dielectrics
charging time, delay can vary from a few ms (or less) to hundreds of milliseconds.
21.
Set DRAIN
Current Limit
(in Ampere)
Transfer Characteristics: Drain
22.
Enter
SMU Name
,
Channel
, these commands are the
same as for the Output Characteristic
case. Set
Auto Zero
=
Once
23.
Enter the constant drain voltage at which the field effect transistor is operating in linear
regime using the input field
V
DS
(Linear)
,
V
DS (Sat)
, respectively.
24.
Enter
Delay
and
Current Limit
for the DRAIN SMU.
25.
Select the
FET type
=
n-type
for n type FET or
p-type
for p-type FET.
