Keithley Series 2600 Application Manual page 98

if (l_vdsstop == nil) then --Use default value
l_vdsstop = 10
end --if
if (l_vdsstop > 40) then --Coerce value
l_vdsstop = 40
end --if
if (l_vdssteps == nil) then --Use default value
l_vdssteps = 100
end --if
if (l_vdssteps > 2E+2) then --Coerce value
l_vdssteps = 2E+2
end --if
local l_vdsstep = (l_vdsstop - l_vdsstart)/ (l_vdssteps - 1) --Voltage step size
local l_vdssource_val = l_vdsstart --Source value during sweep
local l_vds_iteration = 1 --Iteration variable
--Data tables
local l_vgs_data = {} --Create data table for sourced gate-source voltage
local l_vds_data = {} --Create data table for drain-source voltage
local l_id_data = {} --Create data table for drain-source measured current
smua.reset() --Reset SMU
smub.reset() --Reset SMU
errorqueue.clear() --Clear the error queue
--Configure Drain-Source (SMUA) source and measure settings
smua.source.func = smua.OUTPUT_DCVOLTS
smua.source.autorangev = smua.AUTORANGE_ON --Enable source autorange
smua.source.levelv = 0
smua.source.limiti = l_icmpl
smua.measure.autorangei = smua.AUTORANGE_ON --Enable measure autorange
smua.measure.autozero = smua.AUTOZERO_AUTO
smua.measure.nplc = l_nplc --Measurement integration rate
smua.source.output = smua.OUTPUT_ON --Enable Output
--Configure Gate-Source (SMUB) source and measure settings
smub.source.func = smub.OUTPUT_DCVOLTS
smub.source.autorangev = smub.AUTORANGE_ON --Enable source autorange
smub.source.levelv = 0
smub.source.limiti = l_icmpl
smub.measure.autorangei = smub.AUTORANGE_ON --Enable measure autorange
APPenDIx A
Scripts
A-45