Keithley Series 2600 Application Manual page 86

--Returns gain values.
--Global variables
local l_irange = 100e-6 --Base current source range
local l_vcmpl = 11 --Base source compliance
local l_vrange = 40 --Collector-emitter voltage source range
local l_icmpl = 100e-3 --Collector-emitter source compliance
--Shared local variables
local l_nplc = 1 --Integration rate of measurement
--Local sweep variables
local l_istart = istart --Base sweep start current
local l_istop =
local l_isteps = isteps --Number of steps in sweep
local l_vce_source = vcesource --Vce source value
--Default values and level check
if (l_vce_source == nil) then --Use default value
l_vce_source = -10
end --if
if (l_vce_source > 0) then --Coerce value
l_vce_source = -l_vce_source
end --if
if (l_istart == nil) then --Use default value
l_istart = -1e-3
end --if
if (l_istart > 0) then --Coerce value
l_istart = -l_istart
end --if
if (l_istop == nil) then --Use default value
l_istop = -10e-3
end --if
if (l_istop > 0) then --Coerce value
l_istop = -i_stop
end --if
if (l_isteps == nil) then --Use default value
l_isteps = 10
end --if
if (l_isteps > 100) then --Coerce value
l_isteps = 100
istop --Base sweep stop current
APPenDIx A
Scripts
A-33