Version 4
SHEET 1 1256 680
WIRE -624 -80 -704 -80
WIRE -512 -80 -624 -80
WIRE -352 -80 -512 -80
WIRE 32 -80 -352 -80
WIRE 368 -80 32 -80
WIRE 1040 -80 368 -80
WIRE 1136 -32 576 -32
WIRE -512 -16 -512 -80
WIRE 464 32 336 32
WIRE 1136 32 1136 -32
WIRE 1136 32 992 32
WIRE -352 64 -352 -80
WIRE -704 96 -704 -80
WIRE -624 96 -624 -80
WIRE 368 96 368 -80
WIRE 1040 96 1040 -80
WIRE 256 112 256 32
WIRE 336 112 256 112
WIRE 912 112 912 32
WIRE 1008 112 912 112
WIRE -512 128 -512 64
WIRE 464 128 464 32
WIRE 464 128 400 128
WIRE 528 128 464 128
WIRE 1136 128 1136 32
WIRE 1136 128 1072 128
WIRE 1184 128 1136 128
WIRE -192 144 -288 144
WIRE -112 144 -128 144
WIRE -80 144 -112 144
WIRE 32 144 32 0
WIRE 32 144 -16 144
WIRE 128 144 32 144
WIRE 336 144 128 144
WIRE 576 144 576 -32
WIRE 592 144 576 144
WIRE 688 144 656 144
WIRE 704 144 688 144
WIRE 800 144 784 144
WIRE 1008 144 800 144
WIRE -288 160 -288 144
WIRE 32 192 32 144
WIRE 128 192 128 144
WIRE 256 192 256 112
WIRE 912 192 912 112
WIRE 800 208 800 144
WIRE -704 272 -704 160
WIRE -624 272 -624 160
WIRE -624 272 -704 272
WIRE -512 272 -512 192
WIRE -512 272 -624 272
WIRE -352 272 -352 144
WIRE -352 272 -512 272
WIRE -288 272 -288 240
WIRE -288 272 -352 272
WIRE 32 272 -288 272
WIRE 128 272 32 272
WIRE 256 272 128 272
WIRE 368 272 368 160
WIRE 368 272 256 272
WIRE 800 272 368 272
WIRE 912 272 800 272
WIRE 1040 272 1040 160
WIRE 1040 272 912 272
WIRE -112 304 -112 144
WIRE 688 304 688 144
WIRE 1040 304 1040 272
WIRE 528 384 528 128
WIRE 528 384 -112 384
WIRE 688 384 528 384
FLAG 1040 304 0
SYMBOL res -528 -32 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 352 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 27000
SYMBOL res 1008 16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 27000
SYMBOL res 240 176 R0
SYMATTR InstName R4
SYMATTR Value 47000
SYMBOL res 896 176 R0
SYMATTR InstName R5
SYMATTR Value 47000
SYMBOL res 16 176 R0
SYMATTR InstName R6
SYMATTR Value 100000
SYMBOL res 672 288 R0
SYMATTR InstName R7
SYMATTR Value 8200
SYMBOL res 800 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 8200
SYMBOL res -128 288 R0
SYMATTR InstName R9
SYMATTR Value 8200
SYMBOL res 112 176 R0
SYMATTR InstName R10
SYMATTR Value 8200
SYMBOL res 16 -96 R0
SYMATTR InstName R11
SYMATTR Value 100000
SYMBOL cap 1248 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMBOL cap -128 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL cap -16 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL cap -720 96 R0
SYMATTR InstName C4
SYMBOL cap 656 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 100n
SYMBOL cap 784 208 R0
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL cap -640 96 R0
SYMATTR InstName C7
SYMBOL voltage -352 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL Opamps\\LT318A 368 128 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT318A 1040 128 R0
SYMATTR InstName U2
SYMBOL voltage -288 144 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value ""
SYMATTR Value2 AC 0,001
SYMBOL LED -528 128 R0
SYMATTR InstName D1