Version 4.1
SHEET 1 968 680
WIRE -2064 -240 -2176 -240
WIRE -2016 -240 -2064 -240
WIRE -1888 -240 -1968 -240
WIRE -1824 -240 -1888 -240
WIRE -1648 -240 -1776 -240
WIRE -1600 -240 -1648 -240
WIRE -1552 -240 -1600 -240
WIRE -1424 -240 -1552 -240
WIRE -1312 -240 -1376 -240
WIRE -1248 -240 -1312 -240
WIRE -2176 -208 -2176 -240
WIRE -1968 -208 -1968 -240
WIRE -1776 -208 -1776 -240
WIRE -1648 -208 -1648 -240
WIRE -1552 -208 -1552 -240
WIRE -1376 -208 -1376 -240
WIRE -2016 -192 -2016 -240
WIRE -1824 -192 -1824 -240
WIRE -1424 -192 -1424 -240
WIRE -1824 -112 -1824 -144
WIRE -1776 -112 -1776 -128
WIRE -1776 -112 -1824 -112
WIRE -1648 -112 -1648 -144
WIRE -1648 -112 -1776 -112
WIRE -1552 -112 -1552 -128
WIRE -1552 -112 -1648 -112
WIRE -1424 -112 -1424 -144
WIRE -1376 -112 -1376 -128
WIRE -1376 -112 -1424 -112
WIRE -2176 -96 -2176 -128
WIRE -1968 -96 -1968 -128
WIRE -1776 -96 -1776 -112
WIRE -1376 -96 -1376 -112
WIRE -1424 -16 -1840 -16
WIRE -1248 -16 -1248 -240
WIRE -1248 -16 -1344 -16
WIRE -1424 16 -1424 -16
WIRE -1248 16 -1248 -16
WIRE -1344 32 -1344 -16
WIRE -1344 32 -1376 32
WIRE -2016 80 -2016 -144
WIRE -1984 80 -2016 80
WIRE -1344 80 -1376 80
WIRE -1424 112 -1424 96
WIRE -1344 128 -1344 80
WIRE -1248 128 -1248 96
WIRE -1248 128 -1344 128
WIRE -1424 192 -1840 192
WIRE -1248 192 -1248 128
WIRE -1248 192 -1344 192
WIRE -1200 192 -1248 192
WIRE -1424 224 -1424 192
WIRE -1248 224 -1248 192
WIRE -1344 240 -1344 192
WIRE -1344 240 -1376 240
WIRE -1344 288 -1376 288
WIRE -1424 320 -1424 304
WIRE -1344 336 -1344 288
WIRE -1248 336 -1248 304
WIRE -1248 336 -1344 336
WIRE -1248 384 -1248 336
FLAG -2176 -96 0
FLAG -2064 -240 set
FLAG -1200 192 Vo
FLAG -1312 -240 Va
FLAG -1248 384 0
FLAG -1840 -16 MI
FLAG -1968 -96 0
FLAG -1888 -240 error
FLAG -1984 80 MV
FLAG -1376 -96 0
FLAG -1776 -96 0
FLAG -1600 -240 Vctl
FLAG -1424 112 0
FLAG -1840 192 MV
FLAG -1424 320 0
SYMBOL voltage -2176 -224 R0
WINDOW 0 39 39 Left 2
WINDOW 3 -112 169 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V_SET
SYMATTR Value PWL(0us 0 1us {set})
SYMBOL res -1264 0 R0
WINDOW 0 48 37 Left 2
SYMATTR InstName Rs
SYMATTR Value {Rs}
SYMBOL res -1264 208 R0
WINDOW 0 46 32 Left 2
WINDOW 3 48 68 Left 2
SYMATTR InstName Rdut
SYMATTR Value {Rdut}
SYMBOL e -1968 -224 R0
WINDOW 0 37 29 Left 2
WINDOW 3 39 66 Left 2
SYMATTR InstName E_ERR
SYMATTR Value 1
SYMBOL e -1376 -224 R0
WINDOW 0 39 27 Left 2
WINDOW 3 43 66 Left 2
SYMATTR InstName E_AMP
SYMATTR Value 1
SYMBOL e -1424 0 M0
WINDOW 0 53 37 Left 2
WINDOW 3 43 68 Left 2
SYMATTR InstName E_MI
SYMATTR Value {1/Rs}
SYMBOL g -1776 -224 R0
WINDOW 0 38 30 Left 2
WINDOW 3 31 69 Left 2
SYMATTR InstName G_INT
SYMATTR Value {Kint}
SYMBOL cap -1664 -208 R0
WINDOW 0 32 13 Left 2
WINDOW 3 44 46 Left 2
SYMATTR InstName Cint
SYMATTR Value 1
SYMBOL res -1568 -224 R0
WINDOW 0 43 31 Left 2
WINDOW 3 42 63 Left 2
SYMATTR InstName Rint
SYMATTR Value 1e6
SYMBOL e -1424 208 M0
WINDOW 0 53 37 Left 2
WINDOW 3 66 70 Left 2
SYMATTR InstName E_MV
SYMATTR Value 1.0
TEXT -1920 -608 Left 2 ;SMU FVFI Basic
TEXT -1888 -560 Left 2 !.tran 100ms
TEXT -2208 -304 Left 2 ;Set Point
TEXT -2016 -304 Left 2 ;Error
TEXT -1832 -304 Left 2 ;Controller\n(Integrator)
TEXT -1456 -304 Left 2 ;Output Amp
TEXT -1120 32 Left 2 ;Current\nSense
TEXT -1112 224 Left 2 ;Device\nUnder\nTest
TEXT -1992 40 Left 2 ;Feedback
TEXT -1904 -488 Left 2 !.param set=10.0V  Rs=1k  Rdut=20k  Kint=100
TEXT -1904 -456 Left 2 ;.param set=0.001A Rs=100 Rdut=50 Kint=20000
TEXT -1504 -40 Left 2 ;Measure Current
TEXT -1496 168 Left 2 ;Measure Voltage
TEXT -1688 536 Left 2 ;bot