Version 4
SHEET 1 880 680
WIRE 112 -512 -528 -512
WIRE 112 -416 112 -512
WIRE 208 -416 112 -416
WIRE 0 -240 -432 -240
WIRE 416 -144 64 -144
WIRE -432 -96 -432 -240
WIRE 0 -64 0 -240
WIRE 208 0 208 -416
WIRE 64 16 64 -144
WIRE 176 16 64 16
WIRE 416 32 416 -144
WIRE 416 32 240 32
WIRE -528 48 -528 -512
WIRE -432 48 -432 -16
WIRE -432 48 -528 48
WIRE 0 64 0 16
WIRE 176 64 0 64
WIRE -432 80 -432 48
WIRE -416 80 -432 80
WIRE -432 128 -432 80
WIRE 0 128 0 64
WIRE -416 224 -416 80
WIRE -288 224 -416 224
WIRE 0 224 0 208
WIRE 0 224 -208 224
WIRE 0 240 0 224
WIRE 0 336 0 320
WIRE 208 336 208 64
WIRE 208 336 0 336
WIRE 0 368 0 336
FLAG 0 368 0
FLAG -432 128 0
SYMBOL res 16 224 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res 16 336 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 250
SYMBOL voltage -432 -112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res -16 -80 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL current -288 224 R270
WINDOW 0 32 40 VTop 2
WINDOW 3 -32 40 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 20m
SYMBOL Opamps\\UniversalOpamp2 208 32 R0
SYMATTR InstName U1
TEXT -466 392 Left 2 !.tran 1