Version 4
SHEET 1 1220 804
WIRE -304 -256 -496 -256
WIRE -304 -208 -304 -256
WIRE -880 -192 -976 -192
WIRE -768 -192 -800 -192
WIRE -704 -192 -768 -192
WIRE -416 -192 -624 -192
WIRE -352 -144 -672 -144
WIRE -672 -128 -672 -144
WIRE -768 -112 -768 -192
WIRE -704 -112 -768 -112
WIRE -608 -96 -640 -96
WIRE -592 -96 -608 -96
WIRE -416 -96 -416 -192
WIRE -416 -96 -512 -96
WIRE -304 -96 -304 -128
WIRE -208 -96 -304 -96
WIRE -976 -80 -976 -192
WIRE -704 -80 -720 -80
WIRE -304 -64 -304 -96
WIRE -672 -48 -672 -64
WIRE -496 -48 -496 -256
WIRE -496 -48 -672 -48
WIRE -416 -48 -416 -96
WIRE -208 -16 -208 -96
WIRE -816 16 -832 16
WIRE -720 16 -720 -80
WIRE -720 16 -736 16
WIRE -704 16 -720 16
WIRE -608 16 -608 -96
WIRE -608 16 -624 16
WIRE -976 48 -976 0
WIRE -832 48 -832 16
WIRE -832 48 -976 48
WIRE -352 64 -352 -144
WIRE -304 64 -304 16
WIRE -304 64 -352 64
WIRE -832 96 -832 48
WIRE -416 96 -416 32
FLAG -832 96 0
FLAG -416 96 0
FLAG -208 -16 0
SYMBOL voltage -976 -96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=1
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res -784 -208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 10.5k
SYMBOL res -608 -208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -496 -112 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 0.5k
SYMBOL res -608 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -432 -64 R0
SYMATTR InstName R5
SYMATTR Value 3k
SYMBOL res -720 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 0.7k
SYMBOL voltage -304 -224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=1
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL voltage -304 -80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=1
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL Opamps\\UniversalOpamp2 -672 -96 M180
SYMATTR InstName U1
TEXT -1010 120 Left 0 !.tran 100n