Version 4
SHEET 1 880 680
WIRE 432 -80 176 -80
WIRE 528 -80 432 -80
WIRE 432 -32 432 -80
WIRE 528 48 528 -80
WIRE 176 64 176 -80
WIRE 128 80 0 80
WIRE 288 96 224 96
WIRE 384 96 384 48
WIRE 384 96 288 96
WIRE 0 112 0 80
WIRE 128 112 96 112
WIRE 288 128 288 96
WIRE 432 128 432 64
WIRE 96 160 96 112
WIRE 0 272 0 192
WIRE 96 272 96 240
WIRE 96 272 0 272
WIRE 176 272 176 128
WIRE 176 272 96 272
WIRE 288 272 288 208
WIRE 288 272 176 272
WIRE 432 272 432 208
WIRE 432 272 288 272
WIRE 528 272 528 128
WIRE 528 272 432 272
FLAG 528 272 0
SYMBOL Opamps\\lm358 144 96 R0
SYMATTR InstName U1
SYMBOL voltage 0 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 2V
SYMBOL voltage 96 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 1V
SYMBOL voltage 528 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 5V
SYMBOL res 416 112 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL irf4905 384 -32 R0
SYMATTR InstName M1
SYMBOL res 272 112 R0
SYMATTR InstName R1
SYMATTR Value 1k
TEXT -32 304 Left 2 !.tran 10m
TEXT -32 336 Left 2 !.include lm358.sub
TEXT -32 376 Left 2 !.include irf4905.sub