Version 4
SHEET 1 3324 880
WIRE 640 -64 640 -112
WIRE 640 -64 256 -64
WIRE 672 -16 544 -16
WIRE 800 -16 736 -16
WIRE 256 0 256 -64
WIRE 544 48 544 -16
WIRE 688 48 544 48
WIRE 800 48 800 -16
WIRE 800 48 768 48
WIRE 1680 112 1680 32
WIRE 640 128 640 -64
WIRE 1648 128 1600 128
WIRE 352 144 16 144
WIRE 368 144 352 144
WIRE 544 144 544 48
WIRE 544 144 512 144
WIRE 608 144 544 144
WIRE 1808 144 1712 144
WIRE 1872 144 1808 144
WIRE 2032 144 1952 144
WIRE 800 160 800 48
WIRE 800 160 672 160
WIRE 832 160 800 160
WIRE 928 160 896 160
WIRE 1040 160 928 160
WIRE 1168 160 1120 160
WIRE 1216 160 1168 160
WIRE 1328 160 1296 160
WIRE 1376 160 1328 160
WIRE 1504 160 1456 160
WIRE 1648 160 1504 160
WIRE 16 176 16 144
WIRE 608 176 544 176
WIRE 1808 176 1808 144
WIRE 1328 192 1328 160
WIRE 1504 192 1504 160
WIRE 2032 192 2032 144
WIRE 256 208 256 80
WIRE 272 208 256 208
WIRE 352 208 352 144
WIRE 640 224 640 192
WIRE 928 224 928 160
WIRE 1168 224 1168 160
WIRE 1680 240 1680 176
WIRE 1328 272 1328 256
WIRE 1808 272 1808 256
WIRE 1808 272 1328 272
WIRE 1808 288 1808 272
WIRE 1168 320 1168 288
WIRE 2032 320 2032 272
WIRE 1504 336 1504 256
WIRE 16 352 16 256
WIRE 256 352 256 208
WIRE 256 352 16 352
WIRE 544 352 544 176
WIRE 544 352 256 352
WIRE 768 352 544 352
WIRE 928 352 928 304
WIRE 928 352 848 352
WIRE 256 368 256 352
WIRE 928 368 928 352
WIRE 1600 384 1600 128
WIRE 1808 384 1808 368
WIRE 1808 384 1600 384
WIRE 1808 400 1808 384
WIRE 928 448 928 432
WIRE 256 464 256 448
WIRE 1808 560 1808 544
FLAG 256 464 0
FLAG 640 224 0
FLAG 640 -112 5v
IOPIN 640 -112 In
FLAG 928 448 0
FLAG 1168 320 0
FLAG 1504 336 0
FLAG 1808 560 0
FLAG 2032 320 0
FLAG 1680 32 5v
IOPIN 1680 32 In
FLAG 32 48 0
FLAG 32 -32 5v
IOPIN 32 -32 In
FLAG 1680 240 0
FLAG 928 160 OUT1
FLAG 2032 144 OUT2
FLAG 16 144 Vin
SYMBOL res 368 192 R90
WINDOW 0 6 56 VBottom 2
WINDOW 3 26 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 240 352 R0
SYMATTR InstName R3
SYMATTR Value 220k
SYMBOL res 528 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 864 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 220k
SYMBOL cap 896 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 47µf
SYMBOL cap 736 -32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 2n2
SYMBOL res 784 32 R90
WINDOW 0 45 109 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 470k
SYMBOL cap 912 368 R0
SYMATTR InstName C5
SYMATTR Value 0.1µf
SYMBOL cap 1152 224 R0
SYMATTR InstName C6
SYMATTR Value 0.22µf
SYMBOL res 912 208 R0
SYMATTR InstName R7
SYMATTR Value 2Meg2
SYMBOL res 1136 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 6.8k
SYMBOL res 1312 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 68k
SYMBOL cap 1312 192 R0
SYMATTR InstName C7
SYMATTR Value 0.01µf
SYMBOL res 1472 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 68k
SYMBOL cap 1488 192 R0
SYMATTR InstName C8
SYMATTR Value 0.01µf
SYMBOL res 1792 384 R0
SYMATTR InstName R11
SYMATTR Value 4.7k
SYMBOL cap 1792 480 R0
SYMATTR InstName C9
SYMATTR Value 2.2µ
SYMBOL res 1968 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 100
SYMBOL res 1792 160 R0
SYMATTR InstName R14
SYMATTR Value 100k
SYMBOL res 1792 272 R0
SYMATTR InstName R13
SYMATTR Value 4.7k
SYMBOL voltage 16 160 R0
WINDOW 123 24 152 Left 2
WINDOW 39 24 124 Left 2
SYMATTR Value2 AC 1
SYMATTR SpiceLine Rser=0
SYMATTR InstName V1
SYMATTR Value SINE(0 1m 100)
SYMBOL cap 432 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2.2µF
SYMBOL res 240 -16 R0
SYMATTR InstName R1
SYMATTR Value 220k
SYMBOL res 2016 176 R0
SYMATTR InstName R15
SYMATTR Value 100k
SYMBOL voltage 32 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 20
SYMBOL Opamps\\LT1001 640 96 R0
SYMATTR InstName U1
SYMBOL Opamps\\LT1001 1680 80 R0
SYMATTR InstName U2
TEXT 16 408 Left 2 !;tran 3s
TEXT 8 464 Left 2 !.ac oct 100 1 10k