Version 4
SHEET 1 2248 760
WIRE 1024 -368 -192 -368
WIRE 848 -320 800 -320
WIRE 720 -240 720 -320
WIRE 880 -240 800 -240
WIRE 528 -224 448 -224
WIRE 672 -224 528 -224
WIRE 448 -208 448 -224
WIRE 1200 -208 1120 -208
WIRE 1344 -208 1200 -208
WIRE 2080 -208 2048 -208
WIRE 2176 -208 2144 -208
WIRE 112 -192 32 -192
WIRE 288 -192 112 -192
WIRE 528 -192 528 -224
WIRE 1120 -192 1120 -208
WIRE 1680 -192 1568 -192
WIRE 1824 -192 1680 -192
WIRE 1872 -192 1824 -192
WIRE 1200 -176 1200 -208
WIRE 1568 -176 1568 -192
WIRE 1872 -176 1872 -192
WIRE 720 -160 720 -240
WIRE 912 -160 800 -160
WIRE 112 -112 112 -192
WIRE 160 -112 112 -112
WIRE 2048 -112 2048 -208
WIRE 2096 -112 2048 -112
WIRE 2176 -112 2176 -208
WIRE 288 -96 288 -192
WIRE 288 -96 224 -96
WIRE 320 -96 288 -96
WIRE 352 -96 320 -96
WIRE 448 -96 448 -144
WIRE 448 -96 432 -96
WIRE 528 -96 528 -112
WIRE 528 -96 512 -96
WIRE 576 -96 528 -96
WIRE 1680 -96 1680 -192
WIRE 1728 -96 1680 -96
WIRE -272 -80 -320 -80
WIRE -192 -80 -192 -368
WIRE -128 -80 -192 -80
WIRE 32 -80 32 -128
WIRE 160 -80 112 -80
WIRE 672 -80 672 -224
WIRE 672 -80 640 -80
WIRE 720 -80 720 -160
WIRE 720 -80 672 -80
WIRE 944 -80 800 -80
WIRE 1024 -80 1024 -368
WIRE 1040 -80 1024 -80
WIRE 1120 -80 1120 -128
WIRE 1120 -80 1104 -80
WIRE 1200 -80 1200 -96
WIRE 1200 -80 1184 -80
WIRE 1248 -80 1200 -80
WIRE 1824 -80 1824 -192
WIRE 1824 -80 1792 -80
WIRE 576 -64 560 -64
WIRE 1344 -64 1344 -208
WIRE 1344 -64 1312 -64
WIRE 1376 -64 1344 -64
WIRE 1488 -64 1440 -64
WIRE 1568 -64 1568 -96
WIRE 1568 -64 1552 -64
WIRE 1600 -64 1568 -64
WIRE 1680 -64 1664 -64
WIRE 1728 -64 1680 -64
WIRE -192 -48 -192 -80
WIRE 448 -48 448 -96
WIRE 1248 -48 1232 -48
WIRE -48 -32 -48 -80
WIRE 112 -32 112 -80
WIRE 560 -32 560 -64
WIRE 1120 -32 1120 -80
WIRE 1440 -32 1440 -64
WIRE 1680 -32 1680 -64
WIRE 1232 -16 1232 -48
WIRE 1872 -16 1872 -96
WIRE 1888 -16 1872 -16
WIRE 2048 -16 2048 -112
WIRE 2048 -16 2032 -16
WIRE 2064 -16 2048 -16
WIRE 2176 0 2176 -112
WIRE 2176 0 2128 0
WIRE -320 16 -320 -80
WIRE 2064 16 2048 16
WIRE -192 32 -192 16
WIRE 1872 32 1872 -16
WIRE -48 48 -48 32
WIRE 112 48 112 32
WIRE 2048 48 2048 16
WIRE 848 64 848 -320
WIRE 848 64 800 64
WIRE 528 80 448 80
WIRE 672 80 528 80
WIRE 448 96 448 80
WIRE 528 112 528 80
WIRE 720 144 720 64
WIRE 880 144 880 -240
WIRE 880 144 800 144
WIRE 1968 160 1936 160
WIRE 2064 160 2032 160
WIRE -320 176 -320 96
WIRE 320 208 320 -96
WIRE 352 208 320 208
WIRE 448 208 448 160
WIRE 448 208 432 208
WIRE 528 208 528 192
WIRE 528 208 512 208
WIRE 576 208 528 208
WIRE 1312 208 1232 208
WIRE 1456 208 1312 208
WIRE 672 224 672 80
WIRE 672 224 640 224
WIRE 720 224 720 144
WIRE 720 224 672 224
WIRE 912 224 912 -160
WIRE 912 224 800 224
WIRE 1232 224 1232 208
WIRE -48 240 -48 208
WIRE 576 240 560 240
WIRE 1312 240 1312 208
WIRE 448 256 448 208
WIRE 1936 256 1936 160
WIRE 1984 256 1936 256
WIRE 2064 256 2064 160
WIRE 560 272 560 240
WIRE 720 304 720 224
WIRE 944 304 944 -80
WIRE 944 304 800 304
WIRE 1024 336 1024 -80
WIRE 1136 336 1024 336
WIRE 1232 336 1232 288
WIRE 1232 336 1216 336
WIRE 1312 336 1312 320
WIRE 1312 336 1296 336
WIRE 1360 336 1312 336
WIRE -48 352 -48 320
WIRE -48 352 -96 352
WIRE 1456 352 1456 208
WIRE 1456 352 1424 352
WIRE 1776 352 1456 352
WIRE 1936 352 1936 256
WIRE 1936 352 1920 352
WIRE 1952 352 1936 352
WIRE 1360 368 1344 368
WIRE 2064 368 2064 256
WIRE 2064 368 2016 368
WIRE -96 384 -96 352
WIRE -48 384 -48 352
WIRE 528 384 448 384
WIRE 672 384 528 384
WIRE 1232 384 1232 336
WIRE 1952 384 1936 384
WIRE 448 400 448 384
WIRE 848 400 848 64
WIRE 1024 400 848 400
WIRE 1344 400 1344 368
WIRE 528 416 528 384
WIRE 1936 416 1936 384
WIRE 1680 432 1648 432
WIRE 1776 432 1744 432
WIRE 848 448 848 400
WIRE 848 448 800 448
WIRE -48 496 -48 464
WIRE 320 512 320 208
WIRE 352 512 320 512
WIRE 448 512 448 464
WIRE 448 512 432 512
WIRE 528 512 528 496
WIRE 528 512 512 512
WIRE 576 512 528 512
WIRE 672 528 672 384
WIRE 672 528 640 528
WIRE 720 528 720 448
WIRE 720 528 672 528
WIRE 880 528 880 144
WIRE 880 528 800 528
WIRE 1648 528 1648 432
WIRE 1696 528 1648 528
WIRE 1776 528 1776 432
WIRE 1936 528 1776 528
WIRE 576 544 560 544
WIRE 448 560 448 512
WIRE 1936 560 1936 528
WIRE 2064 560 2064 368
WIRE 2176 560 2176 0
WIRE 560 576 560 544
WIRE 720 608 720 528
WIRE 912 608 912 224
WIRE 912 608 800 608
WIRE 1024 624 1024 400
WIRE 1488 624 1024 624
WIRE 1648 624 1648 528
WIRE 1648 624 1632 624
WIRE 1664 624 1648 624
WIRE 1776 640 1776 528
WIRE 1776 640 1728 640
WIRE 1664 656 1648 656
WIRE 1936 656 1936 640
WIRE 2064 656 2064 640
WIRE 2064 656 1936 656
WIRE 2176 656 2176 640
WIRE 2176 656 2064 656
WIRE 720 688 720 608
WIRE 944 688 944 304
WIRE 944 688 800 688
WIRE 1648 688 1648 656
FLAG -320 176 0
FLAG -48 208 V+
IOPIN -48 208 In
FLAG -48 496 V-
IOPIN -48 496 In
FLAG 192 -128 V+
IOPIN 192 -128 In
FLAG 192 -64 V-
IOPIN 192 -64 In
FLAG -192 32 0
FLAG -48 48 0
FLAG 112 48 0
FLAG 608 -112 V+
IOPIN 608 -112 In
FLAG 608 -48 V-
IOPIN 608 -48 In
FLAG 448 32 0
FLAG 560 -32 0
FLAG 608 192 V+
IOPIN 608 192 In
FLAG 608 256 V-
IOPIN 608 256 In
FLAG 448 336 0
FLAG 560 272 0
FLAG 608 496 V+
IOPIN 608 496 In
FLAG 608 560 V-
IOPIN 608 560 In
FLAG 448 640 0
FLAG 560 576 0
FLAG -96 384 0
FLAG 1280 -96 V+
IOPIN 1280 -96 In
FLAG 1280 -32 V-
IOPIN 1280 -32 In
FLAG 1120 48 0
FLAG 1232 -16 0
FLAG 1440 48 0
FLAG 1760 -112 V+
IOPIN 1760 -112 In
FLAG 1760 -48 V-
IOPIN 1760 -48 In
FLAG 1680 48 0
FLAG 2096 -32 V+
IOPIN 2096 -32 In
FLAG 2096 32 V-
IOPIN 2096 32 In
FLAG 2048 48 0
FLAG 1392 320 V+
IOPIN 1392 320 In
FLAG 1392 384 V-
IOPIN 1392 384 In
FLAG 1232 464 0
FLAG 1344 400 0
FLAG 1984 336 V+
IOPIN 1984 336 In
FLAG 1984 400 V-
IOPIN 1984 400 In
FLAG 1936 416 0
FLAG 1696 608 V+
IOPIN 1696 608 In
FLAG 1696 672 V-
IOPIN 1696 672 In
FLAG 1648 688 0
FLAG 1872 112 0
SYMBOL voltage -48 368 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL voltage -48 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12V
SYMBOL voltage -320 0 R0
WINDOW 123 24 132 Left 0
WINDOW 39 24 160 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 1 1000)
SYMBOL Opamps\\LT1022 192 -160 R0
SYMATTR InstName U1
SYMBOL res -176 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 220R
SYMBOL cap -208 -48 R0
SYMATTR InstName C1
SYMATTR Value 4n7
SYMBOL res -32 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 47k
SYMBOL res 48 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 47k
SYMBOL res 128 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL cap -64 -32 R0
SYMATTR InstName C2
SYMATTR Value 3n9
SYMBOL cap 96 -32 R0
SYMATTR InstName C3
SYMATTR Value 2n2
SYMBOL cap 16 -192 R0
SYMATTR InstName C4
SYMATTR Value 15n
SYMBOL Opamps\\LT1022 608 -144 R0
SYMATTR InstName U2
SYMBOL cap 432 -208 R0
SYMATTR InstName C6
SYMATTR Value 18n
SYMBOL cap 512 -112 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C5
SYMATTR Value 18n
SYMBOL res 512 -208 R0
SYMATTR InstName R5
SYMATTR Value 120k
SYMBOL res 432 -64 R0
SYMATTR InstName R6
SYMATTR Value 2k7
SYMBOL res 448 -112 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R7
SYMATTR Value 27k
SYMBOL Opamps\\LT1022 608 160 R0
SYMATTR InstName U3
SYMBOL cap 432 96 R0
SYMATTR InstName C7
SYMATTR Value 47n
SYMBOL cap 512 192 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C8
SYMATTR Value 47n
SYMBOL res 512 96 R0
SYMATTR InstName R8
SYMATTR Value 82k
SYMBOL res 432 240 R0
SYMATTR InstName R9
SYMATTR Value 2k2
SYMBOL res 448 192 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R10
SYMATTR Value 22k
SYMBOL Opamps\\LT1022 608 464 R0
SYMATTR InstName U4
SYMBOL cap 432 400 R0
SYMATTR InstName C9
SYMATTR Value 56n
SYMBOL cap 512 496 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C10
SYMATTR Value 56n
SYMBOL res 512 400 R0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL res 432 544 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 448 496 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R13
SYMATTR Value 39k
SYMBOL res 816 -336 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R14
SYMATTR Value 6k8
SYMBOL res 816 -256 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R15
SYMATTR Value 6k8
SYMBOL res 816 -176 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R16
SYMATTR Value 8k2
SYMBOL res 816 -96 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R17
SYMATTR Value 22k
SYMBOL res 816 48 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R18
SYMATTR Value 6k8
SYMBOL res 816 128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R19
SYMATTR Value 5k6
SYMBOL res 816 208 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R20
SYMATTR Value 5k6
SYMBOL res 816 288 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R21
SYMATTR Value 15k
SYMBOL res 816 432 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R22
SYMATTR Value 3k3
SYMBOL res 816 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R23
SYMATTR Value 3k3
SYMBOL res 816 592 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R24
SYMATTR Value 3k3
SYMBOL res 816 672 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R25
SYMATTR Value 4k7
SYMBOL Opamps\\LT1022 1280 -128 R0
SYMATTR InstName U5
SYMBOL cap 1104 -192 R0
SYMATTR InstName C11
SYMATTR Value 220p
SYMBOL cap 1184 -96 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C12
SYMATTR Value 2n2
SYMBOL res 1184 -192 R0
SYMATTR InstName R26
SYMATTR Value 180k
SYMBOL res 1104 -48 R0
SYMATTR InstName R27
SYMATTR Value 5k6
SYMBOL cap 1104 -96 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C13
SYMATTR Value 2n2
SYMBOL cap 1440 -80 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C14
SYMATTR Value 10n
SYMBOL res 1424 -48 R0
SYMATTR InstName R28
SYMATTR Value 5k6
SYMBOL Opamps\\LT1022 1760 -144 R0
SYMATTR InstName U6
SYMBOL cap 1664 -80 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C16
SYMATTR Value 820p
SYMBOL res 1552 -192 R0
SYMATTR InstName R29
SYMATTR Value 12k
SYMBOL cap 1552 -80 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C17
SYMATTR Value 820p
SYMBOL res 1664 -48 R0
SYMATTR InstName R30
SYMATTR Value 100k
SYMBOL cap 1952 -32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C15
SYMATTR Value 1n5
SYMBOL Opamps\\LT1022 2096 -64 R0
SYMATTR InstName U7
SYMBOL res 2048 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R31
SYMATTR Value 15k
SYMBOL res 2192 -128 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R32
SYMATTR Value 120k
SYMBOL cap 2144 -224 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C18
SYMATTR Value 68p
SYMBOL Opamps\\LT1022 1392 288 R0
SYMATTR InstName U8
SYMBOL cap 1216 224 R0
SYMATTR InstName C19
SYMATTR Value 4n7
SYMBOL cap 1296 320 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C20
SYMATTR Value 4n7
SYMBOL res 1296 224 R0
SYMATTR InstName R33
SYMATTR Value 82k
SYMBOL res 1216 368 R0
SYMATTR InstName R34
SYMATTR Value 8k2
SYMBOL cap 1840 336 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C25
SYMATTR Value 3n3
SYMBOL Opamps\\LT1022 1984 304 R0
SYMATTR InstName U10
SYMBOL res 1936 336 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R38
SYMATTR Value 68k
SYMBOL res 2080 240 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R39
SYMATTR Value 120k
SYMBOL cap 2032 144 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C26
SYMATTR Value 68p
SYMBOL res 1232 320 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R35
SYMATTR Value 47k
SYMBOL cap 1552 608 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C21
SYMATTR Value 1µ
SYMBOL Opamps\\LT1022 1696 576 R0
SYMATTR InstName U9
SYMBOL res 1648 608 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R36
SYMATTR Value 10k
SYMBOL res 1792 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R37
SYMATTR Value 120k
SYMBOL cap 1744 416 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C22
SYMATTR Value 68p
SYMBOL res 2048 544 R0
SYMATTR InstName R40
SYMATTR Value 10k
SYMBOL res 2160 544 R0
SYMATTR InstName R41
SYMATTR Value 10k
SYMBOL res 1920 544 R0
SYMATTR InstName R42
SYMATTR Value 10k
SYMBOL res 1856 -192 R0
SYMATTR InstName R43
SYMATTR Value 10k
SYMBOL res 1856 16 R0
SYMATTR InstName R44
SYMATTR Value 1k3
TEXT -144 -400 Left 0 !.ac dec 50 20 20k