Keithley Series 2600 User Manual

A-25
APPENDIX A
Scripts
--Shared local variables
local l_nplc = 1 --Integration rate of measurement
--Local sweep variables
local l_vbestart = vbestart --Base sweep start voltage
local l_vbestop = vbestop --Base sweep stop voltage
local l_vbesteps = vbesteps --Number of steps in sweep
local l_vcebias = vcebias --Collector-emitter voltage
--Default values and level check
if (l_vbestart == nil) then --Use default value
l_vbestart = 0
end --if
if (l_vbestart > 100E-6) then --Coerce value
l_vbestart = 100E-6
end --if
if (l_vbestop == nil) then --Use default value
l_vbestop = 700E-3
end --if
if (l_vbestop > 1) then --Coerce value
l_vbestop = 1
end --if
if (l_vbesteps == nil) then --Use default value
l_vbesteps = 70
end --if
if (l_vbesteps > 100) then --Coerce value
l_vbesteps = 100
end --if
local l_vbestep = (l_vbestop - l_vbestart)/ (l_vbesteps - 1) --Vbe step size
local l_vbesource_val = l_vbestart --Source value during sweep
local l_vbe_i = 1 --Iteration variable
if (l_vce_bias == nil) then --Use default value
l_vce_bias = 10
end --if
if (l_vce_bias > 40) then --Coerce value
l_vce_bias = 40
end --if
--Data tables
local l_vbe = {} --Create data table for sourced voltage

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)