Version 4
SHEET 1 1368 680
WIRE -2896 -352 -3440 -352
WIRE -2560 -352 -2896 -352
WIRE -1904 -352 -2560 -352
WIRE -1360 -352 -1904 -352
WIRE -3440 -336 -3440 -352
WIRE -2464 -240 -2512 -240
WIRE -2320 -240 -2384 -240
WIRE -2016 -240 -2064 -240
WIRE -1872 -240 -1936 -240
WIRE -3440 -208 -3440 -256
WIRE -2512 -160 -2512 -240
WIRE -2464 -160 -2512 -160
WIRE -2320 -160 -2320 -240
WIRE -2320 -160 -2400 -160
WIRE -2064 -160 -2064 -240
WIRE -2016 -160 -2064 -160
WIRE -1872 -160 -1872 -240
WIRE -1872 -160 -1952 -160
WIRE -1472 -160 -1536 -160
WIRE -1312 -160 -1392 -160
WIRE -3104 -144 -3216 -144
WIRE -3008 -144 -3104 -144
WIRE -2784 -144 -2928 -144
WIRE -3216 -112 -3216 -144
WIRE -2560 -96 -2560 -352
WIRE -2432 -96 -2560 -96
WIRE -2896 -80 -2896 -352
WIRE -1904 -80 -1904 -352
WIRE -1904 -80 -1984 -80
WIRE -3104 -64 -3104 -144
WIRE -2928 -64 -3104 -64
WIRE -2432 -64 -2432 -96
WIRE -1360 -64 -1360 -352
WIRE -1360 -64 -1424 -64
WIRE -2784 -48 -2784 -144
WIRE -2784 -48 -2864 -48
WIRE -2752 -48 -2784 -48
WIRE -2736 -48 -2752 -48
WIRE -2720 -48 -2736 -48
WIRE -2640 -48 -2672 -48
WIRE -2512 -48 -2512 -160
WIRE -2512 -48 -2560 -48
WIRE -2464 -48 -2512 -48
WIRE -1984 -48 -1984 -80
WIRE -3216 -32 -3216 -48
WIRE -3104 -32 -3216 -32
WIRE -3008 -32 -3024 -32
WIRE -2928 -32 -3008 -32
WIRE -2320 -32 -2320 -160
WIRE -2320 -32 -2400 -32
WIRE -2272 -32 -2320 -32
WIRE -2192 -32 -2272 -32
WIRE -2064 -32 -2064 -160
WIRE -2064 -32 -2112 -32
WIRE -2016 -32 -2064 -32
WIRE -1984 -32 -1984 -48
WIRE -1424 -32 -1424 -64
WIRE -2464 -16 -2512 -16
WIRE -1872 -16 -1872 -160
WIRE -1872 -16 -1952 -16
WIRE -1808 -16 -1872 -16
WIRE -1744 -16 -1808 -16
WIRE -1536 -16 -1536 -160
WIRE -1536 -16 -1664 -16
WIRE -1456 -16 -1536 -16
WIRE -2016 0 -2064 0
WIRE -1312 0 -1312 -160
WIRE -1312 0 -1392 0
WIRE -1280 0 -1312 0
WIRE -1248 0 -1280 0
WIRE -3168 16 -3440 16
WIRE -2896 16 -2896 -16
WIRE -2896 16 -3168 16
WIRE -2432 16 -2432 0
WIRE -2432 16 -2752 16
WIRE -1456 16 -1520 16
WIRE -3440 48 -3440 16
WIRE -2512 48 -2512 -16
WIRE -2064 48 -2064 0
WIRE -3008 64 -3008 -32
WIRE -2784 64 -2784 -48
WIRE -2784 64 -2928 64
WIRE -3168 160 -3168 16
WIRE -2752 160 -2752 16
WIRE -2752 160 -3168 160
WIRE -1984 160 -1984 16
WIRE -1984 160 -2752 160
WIRE -1424 160 -1424 32
WIRE -1424 160 -1984 160
WIRE -3440 176 -3440 128
WIRE -2064 176 -2064 128
WIRE -2512 192 -2512 128
WIRE -1520 192 -1520 16
FLAG -3440 -208 0
FLAG -3440 176 0
FLAG -2272 -32 Vout2
FLAG -2752 -48 Vout1
FLAG -1808 -16 Vout3
FLAG -2064 176 0
FLAG -1520 192 0
FLAG -1280 0 Vout4
FLAG -2512 192 0
SYMBOL cap -3232 -112 R0
SYMATTR InstName C1
SYMATTR Value .01µF
SYMBOL res -2912 -160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res -3008 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 27k
SYMBOL res -2912 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL Opamps\\opamp2 -2896 -112 R0
SYMATTR InstName U1
SYMBOL voltage -3440 -352 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL voltage -3440 32 R0
WINDOW 3 24 44 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value -9
SYMBOL res -2544 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL Opamps\\opamp2 -2432 -96 R0
SYMATTR InstName U2
SYMBOL cap -2400 -176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µF
SYMBOL res -2368 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res -2528 32 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL cap -2672 -64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL Opamps\\opamp2 -1984 -80 R0
SYMATTR InstName U3
SYMBOL res -2096 -48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res -1920 -256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL res -2080 144 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL cap -1952 -176 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 0.01µF
SYMBOL res -1648 -32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL Opamps\\opamp2 -1424 -64 R0
SYMATTR InstName U4
SYMBOL res -1376 -176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 10k