Version 4
SHEET 1 2132 680
WIRE 736 -160 704 -160
WIRE 848 -160 800 -160
WIRE 704 -32 704 -160
WIRE 736 -32 704 -32
WIRE 848 -32 848 -160
WIRE 848 -32 816 -32
WIRE 1056 0 992 0
WIRE 1184 0 1120 0
WIRE 1312 0 1184 0
WIRE 608 16 608 -16
WIRE 1248 64 1248 -32
WIRE 1184 80 1184 0
WIRE 1216 80 1184 80
WIRE 704 96 704 -32
WIRE 736 96 704 96
WIRE 1312 96 1312 0
WIRE 1312 96 1280 96
WIRE 1344 96 1312 96
WIRE 848 112 848 -32
WIRE 848 112 800 112
WIRE 880 112 848 112
WIRE 992 112 992 0
WIRE 992 112 960 112
WIRE 1024 112 992 112
WIRE 1136 112 1104 112
WIRE 1216 112 1136 112
WIRE 512 128 416 128
WIRE 608 128 608 96
WIRE 608 128 576 128
WIRE 736 128 608 128
WIRE 64 144 64 112
WIRE 1248 144 1248 128
WIRE 1136 160 1136 112
WIRE 416 176 416 128
WIRE 608 176 608 128
WIRE 704 176 704 96
WIRE 64 256 64 224
WIRE 1136 256 1136 224
WIRE 416 320 416 256
WIRE 608 336 608 256
WIRE 704 336 704 320
FLAG 1344 96 Out
IOPIN 1344 96 Out
FLAG 64 256 0
FLAG 64 112 +15V
FLAG 416 320 0
FLAG 608 336 0
FLAG 704 336 0
FLAG 768 160 0
FLAG 768 80 +15V
FLAG 1248 144 0
FLAG 1248 -32 +15V
FLAG 608 -16 +15V
FLAG 1136 256 0
SYMBOL voltage 416 160 R0
WINDOW 123 -101 107 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -34 6 Left 2
WINDOW 3 24 96 Invisible 2
SYMATTR Value2 AC 2mV 0
SYMATTR InstName V1
SYMATTR Value SINE(0 2m 2000)
SYMBOL res 976 96 R90
WINDOW 0 -40 56 VBottom 2
WINDOW 3 -4 60 VBottom 2
SYMATTR InstName R7
SYMATTR Value 7k96
SYMBOL res 1120 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value ""
SYMBOL cap 1120 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value ""
SYMBOL cap 1152 224 R180
WINDOW 0 40 34 Left 2
WINDOW 3 33 8 Left 2
SYMATTR InstName C4
SYMATTR Value ""
SYMBOL Opamps\\LT1001 1248 32 R0
WINDOW 3 -38 156 Left 2
SYMATTR InstName U3
SYMBOL voltage 64 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=10
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL cap 576 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 330n
SYMBOL res 592 0 R0
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res 592 160 R0
WINDOW 0 -42 50 Left 2
WINDOW 3 -57 80 Left 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res 720 272 R180
WINDOW 0 34 67 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 4k7
SYMBOL cap 688 256 R0
SYMATTR InstName C8
SYMATTR Value 10µ
SYMBOL res 832 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 470k
SYMBOL cap 800 -176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 33,8pF
SYMBOL Opamps\\LT1037 768 48 R0
SYMATTR InstName U1