Keithley S530

S530 Parametric Test System Test Subroutine Library User's Manual Section 2: Using the test subroutine library
S530-907-01 Rev. A / September 2015 2-5
FET and JFET subroutines
Subroutine
Description
Link
gm
Estimate MESFET transconductance at V
DS
,
V
GS
gm (on page 3-34)
idss
Estimate MESFET I
DSS
and V
DSAT
at V
DSS
idss (on page 3-43)
vp
Estimate FET pinch-off voltage for a MESFET
vp (on page 3-67)
vp1
Estimate MESFET pinch-off at I
DS
(I
P
) and
V
DS
vp1 (on page 3-69)
Math and support subroutines
Subroutine
Description
Link
fnddat
Search an array, return a new array
fnddat (on page 3-28)
fndtrg
Determine which native mode trigger to use
fndtrg (on page 3-29)
kdelay
Delay, based on current and voltage values
kdelay (on page 3-47)
logstp
Create an array using logarithmic steps
logstp (on page 3-49)
tdelay
Return calculated delay time
tdelay (on page 3-60)