Version 4
SHEET 1 880 680
WIRE 80 16 -128 16
WIRE 400 16 208 16
WIRE 480 16 400 16
WIRE -128 32 -128 16
WIRE 480 32 480 16
WIRE 80 64 80 16
WIRE -128 128 -128 112
WIRE 480 128 480 112
WIRE 400 144 400 16
WIRE 208 160 208 16
WIRE 176 176 128 176
WIRE 336 192 240 192
WIRE -192 208 -272 208
WIRE -128 208 -192 208
WIRE -80 208 -128 208
WIRE 48 208 0 208
WIRE 80 208 80 144
WIRE 80 208 48 208
WIRE 176 208 80 208
WIRE -272 240 -272 208
WIRE -128 240 -128 208
WIRE 208 256 208 224
WIRE 128 304 128 176
WIRE 272 304 128 304
WIRE 400 304 400 240
WIRE 400 304 352 304
WIRE 480 304 400 304
WIRE 128 320 128 304
WIRE 400 320 400 304
WIRE -272 352 -272 320
WIRE -128 352 -128 320
WIRE 128 416 128 400
WIRE 400 416 400 400
FLAG 208 256 0
FLAG -128 352 0
FLAG -272 352 0
FLAG 480 128 0
FLAG 400 416 0
FLAG 128 416 0
FLAG 480 304 out
FLAG -128 128 0
FLAG -192 208 vm
FLAG 48 208 in
SYMBOL Opamps\\LT1013 208 128 R0
SYMATTR InstName U1
SYMBOL npn 336 144 R0
SYMATTR InstName Q1
SYMATTR Value BC847B
SYMBOL voltage 480 16 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL Misc\\EuropeanResistor -144 224 R0
SYMATTR InstName RS
SYMATTR Value 10m
SYMBOL Misc\\EuropeanResistor 384 304 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor 256 320 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL Misc\\EuropeanResistor 112 304 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL Misc\\EuropeanResistor -96 224 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName Roffs1
SYMATTR Value 100
SYMBOL current -272 320 M180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName I1
SYMATTR Value 1
SYMBOL Misc\\EuropeanResistor 64 48 R0
SYMATTR InstName Roffs2
SYMATTR Value 100k
SYMBOL voltage -128 16 R0
SYMATTR InstName V2
SYMATTR Value 2.5
TEXT -272 -64 Left 2 !.dc I1 0 1 10m