Keithley Series 2600 User Manual

A-75
APPENDIX A
Scripts
node[1].smub.measure.autorangev = node[1].smub.AUTORANGE_ON --Enable measure
autorange
node[1].smub.measure.autozero = node[1].smub.AUTOZERO_AUTO
node[1].smub.measure.nplc = l_nplc --Measurement integration rate
node[1].smub.source.output = node[1].smub.OUTPUT_ON --Enable Output
--Configure Substrate Bias (Node 2 SMUA) source settings
node[2].smua.source.func = node[2].smua.OUTPUT_DCVOLTS
node[2].smua.source.autorangev = node[2].smua.AUTORANGE_ON --Enable source
autorange
node[2].smua.source.levelv = 0
node[2].smua.source.limiti = l_icmpl
node[2].smua.measure.autorangei = node[2].smua.AUTORANGE_ON --Enable measure
autorange
node[2].smua.measure.autozero = node[2].smua.AUTOZERO_AUTO
node[2].smua.measure.nplc = l_nplc --Measurement integration rate
node[2].smua.source.output = node[2].smua.OUTPUT_ON --Enable Output
--Execute sweep
for l_i = 1, l_isteps do
node[2].smua.source.levelv = l_vsbsource
node[1].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] = node[1].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(1)
l_ce_volt[l_i][l_v] = node[1].smua.measure.v() --Measure sourced
voltage
l_ce_curr[l_i][l_v] = node[1].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

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)