Keithley Series 2600

A-63
APPENDIX A
Scripts
node[1].smub.reset() --Reset SMU
node[2].smua.reset() --Reset SMU
errorqueue.clear() --Clear the error queue
--Configure drain-source SMU (TSP-Link Node[1] SMUA) source and measure settings
node[1].smua.source.func = node[1].smua.OUTPUT_DCVOLTS
node[1].smua.source.autorangev = node[1].smua.AUTORANGE_ON --Enable source
autorange
node[1].smua.source.levelv = l_vds_source
node[1].smua.source.limiti = l_icmpl
node[1].smua.measure.autorangev = node[1].smua.AUTORANGE_ON --Enable measure
autorange
node[1].smua.measure.nplc = l_nplc --Measurement integration rate
--Configure gate-source SMU (TSP-Link Node[1] SMUB) source and measure settings
node[1].smub.source.func = node[1].smub.OUTPUT_DCVOLTS
node[1].smub.source.autorangev = node[1].smub.AUTORANGE_ON --Enable source
autorange
node[1].smub.source.levelv = l_vds_source
node[1].smub.source.limiti = l_icmpl
node[1].smub.measure.autorangev = smub.AUTORANGE_ON --Enable measure autorange
node[1].smub.measure.nplc = l_nplc --Measurement integration rate
--Configure substrate-source SMU (TSP-Link Node[2] SMUA) source and measure 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 = l_vsb_source
node[2].smua.source.limiti = l_icmpl
node[2].smua.measure.autorangev = node[2].smua.AUTORANGE_ON --Enable measure
autorange
node[2].smua.measure.nplc = l_nplc --Measurement integration rate
node[1].smua.source.output = smua.OUTPUT_ON --Enable Output
node[1].smub.source.output = smub.OUTPUT_ON --Enable Output
node[2].smua.source.output = smua.OUTPUT_ON --Enable Output
--Execute sweep
for l_i = 1, l_vgs_steps do
--smua.source.leveli = l_source_val
delay(0.010) --Delay
l_id_curr[l_i] = node[1].smua.measure.i() --Measure drain-source current
l_vgs_volt[l_i] = node[1].smub.measure.v() --Measure gate-source voltage
l_isb_curr[l_i] = node[2].smua.measure.i() --Measure substrate-source
current