Version 4
SHEET 1 2228 900
WIRE 656 -224 656 -256
WIRE 1024 -144 992 -144
WIRE 1136 -144 1104 -144
WIRE 784 -128 752 -128
WIRE 880 -128 864 -128
WIRE 1360 -112 1296 -112
WIRE 1616 -112 1424 -112
WIRE 1808 -112 1760 -112
WIRE 2064 -112 1872 -112
WIRE 544 -96 496 -96
WIRE 656 -96 656 -144
WIRE 656 -96 608 -96
WIRE 656 -80 656 -96
WIRE 496 -64 496 -96
WIRE 2000 -64 2000 -144
WIRE 1520 -48 1520 -144
WIRE 1968 -48 1920 -48
WIRE 1488 -32 1472 -32
WIRE 2064 -32 2064 -112
WIRE 2064 -32 2032 -32
WIRE 2096 -32 2064 -32
WIRE 992 -16 992 -144
WIRE 1024 -16 992 -16
WIRE 1616 -16 1616 -112
WIRE 1616 -16 1552 -16
WIRE 1664 -16 1616 -16
WIRE 1760 -16 1760 -112
WIRE 1760 -16 1744 -16
WIRE 1792 -16 1760 -16
WIRE 1888 -16 1872 -16
WIRE 1968 -16 1888 -16
WIRE 752 0 752 -128
WIRE 784 0 752 0
WIRE 1136 0 1136 -144
WIRE 1136 0 1088 0
WIRE 1184 0 1136 0
WIRE 1296 0 1296 -112
WIRE 1296 0 1264 0
WIRE 1328 0 1296 0
WIRE 1440 0 1408 0
WIRE 1488 0 1440 0
WIRE 272 16 272 -16
WIRE 880 16 880 -128
WIRE 880 16 848 16
WIRE 1024 16 880 16
WIRE 2000 16 2000 0
WIRE 512 32 400 32
WIRE 608 32 576 32
WIRE 656 32 656 0
WIRE 656 32 608 32
WIRE 784 32 656 32
WIRE 1520 32 1520 16
WIRE 1056 48 1056 32
WIRE 1440 48 1440 0
WIRE 1888 48 1888 -16
WIRE 656 64 656 32
WIRE 752 64 752 0
WIRE 992 64 992 -16
WIRE 1920 64 1920 -48
WIRE 2064 64 2064 -32
WIRE 2064 64 1920 64
WIRE 400 80 400 32
WIRE 816 80 816 48
WIRE 1472 80 1472 -32
WIRE 1616 80 1616 -16
WIRE 1616 80 1472 80
WIRE 272 128 272 96
WIRE 1440 144 1440 112
WIRE 1888 144 1888 112
WIRE 400 224 400 160
WIRE 656 224 656 144
WIRE 752 224 752 208
WIRE 992 224 992 208
FLAG 272 128 0
FLAG 608 32 in
FLAG 816 80 0
FLAG 752 224 0
FLAG 656 224 0
FLAG 400 224 0
FLAG 992 224 0
FLAG 1056 48 0
FLAG 1520 32 0
FLAG 2000 16 0
FLAG 496 -64 0
FLAG 656 -256 V+
FLAG 816 -16 V+
FLAG 1056 -32 V+
FLAG 272 -16 V+
FLAG 1440 144 0
FLAG 1888 144 0
FLAG 1520 -144 V+
FLAG 2000 -144 V+
FLAG 2096 -32 Out
IOPIN 2096 -32 Out
DATAFLAG 880 16 ""
DATAFLAG 1136 0 ""
DATAFLAG 752 0 ""
DATAFLAG 1616 -16 ""
DATAFLAG 2064 -32 ""
SYMBOL voltage 400 64 R0
WINDOW 123 -101 107 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 -34 6 Left 2
WINDOW 3 22 109 Left 2
SYMATTR Value2 AC 0.012 0
SYMATTR InstName V1
SYMATTR Value SINE(0 1 20000)
SYMBOL cap 576 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 80n
SYMBOL res 640 -96 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 640 48 R0
WINDOW 0 -41 45 Left 2
WINDOW 3 -54 77 Left 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 1280 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 25 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 125
SYMBOL res 1424 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 5755
SYMBOL res 1760 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 346
SYMBOL res 1888 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 2090
SYMBOL cap 1424 -128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 70nF
SYMBOL cap 1456 112 R180
WINDOW 0 40 34 Left 2
WINDOW 3 33 8 Left 2
SYMATTR InstName C4
SYMATTR Value 5nF
SYMBOL cap 1872 48 R0
WINDOW 3 -25 58 Left 2
WINDOW 0 -34 29 Left 2
SYMATTR Value 5nF
SYMATTR InstName C5
SYMBOL cap 1872 -128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 70nF
SYMBOL voltage 272 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 44 Left 2
WINDOW 3 31 78 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res 880 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL res 768 160 R180
WINDOW 0 39 70 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL cap 736 144 R0
SYMATTR InstName C6
SYMATTR Value 8µ
SYMBOL res 1008 160 R180
WINDOW 0 34 67 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R11
SYMATTR Value 6k65
SYMBOL cap 976 144 R0
SYMATTR InstName C8
SYMATTR Value 1.2µ
SYMBOL res 1120 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 20k
SYMBOL res 640 -240 R0
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL cap 608 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 760n
SYMBOL Opamps\\LT1125 816 -48 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1125 1056 -64 R0
SYMATTR InstName U2
SYMBOL Opamps\\LT1001 1520 -80 R0
SYMATTR InstName U3
SYMBOL Opamps\\LT1001 2000 -96 R0
SYMATTR InstName U4
TEXT 464 296 Left 2 !.ac dec 100 20 20000