Keithley Series 2600 User Manual

A-22
APPENDIX A
Scripts
smub.source.limitv = l_vcmpl
smub.measure.autorangev = smub.AUTORANGE_ON --Enable measure autorange
smub.measure.autozero = smub.AUTOZERO_AUTO
smub.measure.nplc = l_nplc --Measurement integration rate
smub.source.output = smub.OUTPUT_ON --Enable Output
--Execute sweep
for l_i = 1, l_isteps do
smub.source.leveli = l_isource_val
l_ce_volt[l_i] = {} --Create new row in table
l_ce_curr[l_i] = {} --Create new row in table
l_base_curr[l_i] = smub.measure.i() --Measure base current
for l_v = 1,l_vsteps do
if (l_v == 1) then --Intialize start source value
l_vsource_val = l_vstart
end --if
delay(0.001) --Delay
l_ce_volt[l_i][l_v] = smua.measure.v() --Measure voltage
l_ce_curr[l_i][l_v] = smua.measure.i() --Measure current
l_vsource_val = l_vsource_val + l_vstep --Calculate new source value
if (l_v == l_vsteps) then --Reinitialize voltage value after last
iteration
l_vsource_val = l_vstart
end --if
smua.source.levelv = l_vsource_val --Increment source
end --for
l_isource_val = l_isource_val + l_istep --Calculate new source value
end--for
smua.source.output = smua.OUTPUT_OFF --Disable output
smub.source.output = smub.OUTPUT_OFF --Disable output
smua.source.levelv = 0 --Return source to bias level
smub.source.leveli = 0 --Return source to bias level

Keithley Series 2600 Specifications

General

Model	Series 2600
Measurement Functions	Voltage, Current, Resistance, Power
Resolution	Up to 6.5 digits
Current Source Range	Up to 10A
Communication Interfaces	GPIB, USB
Applications	Semiconductor testing
Category	Source Measure Unit (SMU)
Channels	Single or Dual Channel (varies by model)