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Model 2651A High Power System SourceMeter® Instrument User's Manual Section 6: Characterization of power discretes

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PrintIVcurveData(gsteps, dsteps)

Description: This function will output the data collected by the

IV_Curves() function in a Microsoft Excel compatible format. For each

step of the gate, this function will output three columns that contain

the drain sweep data and the gate data in the first row.

Parameters:

gsteps: The number of steps in the gate sweep

dsteps: The number of steps in the drain sweep

Example Usage:

PrintIVcurveData(5, 21)

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function PrintIVcurveData(gsteps, dsteps)

line1 = ""

line2 = ""

for i = 1,gsteps do

line1 = line1 .. string.format("Vgs = %0.2f\t%g\t%g\t",

node[2].smua.nvbuffer1.sourcevalues[i], node[2].smua.nvbuffer2[i],

node[2].smua.nvbuffer1[i])

line2 = line2 .. "Source Value\tVoltage\tCurrent\t"

end

print(line1)

print(line2)

for i = 1, dsteps do

line = ""

for j = 1, gsteps do

line = line .. string.format("%g\t%g\t%g\t",

smua.nvbuffer1.sourcevalues[(j - 1) * dsteps + i],

smua.nvbuffer2[(j - 1) * dsteps + i],

smua.nvbuffer1[(j - 1) * dsteps + i])

end

print(line)

end

2651A-900-01 Rev. A / March 2011 6-15

Keithley 2651A User Manual

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