Version 4
SHEET 1 3268 680
WIRE 368 -192 240 -192
WIRE 848 -192 368 -192
WIRE 1376 -192 848 -192
WIRE 1936 -192 1376 -192
WIRE 2064 -192 1936 -192
WIRE 2544 -192 2064 -192
WIRE 2304 -176 2144 -176
WIRE 2144 -160 2144 -176
WIRE 2304 -160 2304 -176
WIRE 240 -80 240 -192
WIRE 1936 -80 1936 -192
WIRE 2144 -48 2144 -80
WIRE 2144 -48 2000 -48
WIRE 2192 -48 2144 -48
WIRE 2144 -16 2144 -48
WIRE 2192 -16 2192 -48
WIRE 464 0 304 0
WIRE 672 0 624 0
WIRE 768 0 736 0
WIRE 944 0 768 0
WIRE 2368 0 2320 0
WIRE 2464 0 2432 0
WIRE 2640 0 2464 0
WIRE 1376 16 1376 -192
WIRE 848 64 848 -192
WIRE 2544 64 2544 -192
WIRE 368 80 368 -192
WIRE 768 80 768 0
WIRE 816 80 768 80
WIRE 2064 80 2064 -192
WIRE 2464 80 2464 0
WIRE 2512 80 2464 80
WIRE 304 96 304 0
WIRE 336 96 304 96
WIRE 944 96 944 0
WIRE 944 96 880 96
WIRE 992 96 944 96
WIRE 1120 96 1072 96
WIRE 1168 96 1120 96
WIRE 1280 96 1232 96
WIRE 1312 96 1280 96
WIRE 1504 96 1472 96
WIRE 1536 96 1504 96
WIRE 1648 96 1616 96
WIRE 1824 96 1648 96
WIRE 1904 96 1888 96
WIRE 2000 96 2000 -48
WIRE 2032 96 2000 96
WIRE 2640 96 2640 0
WIRE 2640 96 2576 96
WIRE 2688 96 2640 96
WIRE 2816 96 2768 96
WIRE 2864 96 2816 96
WIRE 2976 96 2928 96
WIRE 3008 96 2976 96
WIRE 464 112 464 0
WIRE 464 112 400 112
WIRE 512 112 464 112
WIRE 624 112 624 0
WIRE 624 112 592 112
WIRE 656 112 624 112
WIRE 768 112 736 112
WIRE 816 112 768 112
WIRE 2144 112 2144 64
WIRE 2144 112 2096 112
WIRE 2192 112 2192 48
WIRE 2192 112 2144 112
WIRE 2208 112 2192 112
WIRE 2320 112 2320 0
WIRE 2320 112 2288 112
WIRE 2352 112 2320 112
WIRE 2464 112 2432 112
WIRE 2512 112 2464 112
WIRE -80 128 -96 128
WIRE 16 128 -80 128
WIRE 128 128 96 128
WIRE 240 128 240 0
WIRE 240 128 192 128
WIRE 336 128 240 128
WIRE 1904 128 1904 96
WIRE 1936 128 1936 0
WIRE 1936 128 1904 128
WIRE 2032 128 1936 128
WIRE -96 160 -96 128
WIRE 768 160 768 112
WIRE 1120 160 1120 96
WIRE 1312 160 1312 96
WIRE 1648 160 1648 96
WIRE 2464 160 2464 112
WIRE 2816 160 2816 96
WIRE 3008 160 3008 96
WIRE 240 176 240 128
WIRE 1936 176 1936 128
WIRE -96 288 -96 240
WIRE 240 288 240 256
WIRE 240 288 -96 288
WIRE 368 288 368 144
WIRE 368 288 240 288
WIRE 768 288 768 224
WIRE 768 288 368 288
WIRE 848 288 848 128
WIRE 848 288 768 288
WIRE 1120 288 1120 224
WIRE 1120 288 848 288
WIRE 1312 288 1312 240
WIRE 1312 288 1120 288
WIRE 1376 288 1376 96
WIRE 1376 288 1312 288
WIRE 1648 288 1648 224
WIRE 1648 288 1376 288
WIRE 1936 288 1936 256
WIRE 1936 288 1648 288
WIRE 2064 288 2064 144
WIRE 2064 288 1936 288
WIRE 2304 288 2304 -96
WIRE 2304 288 2064 288
WIRE 2464 288 2464 224
WIRE 2464 288 2304 288
WIRE 2544 288 2544 128
WIRE 2544 288 2464 288
WIRE 2816 288 2816 224
WIRE 2816 288 2544 288
WIRE 3008 288 3008 240
WIRE 3008 288 2816 288
WIRE -96 304 -96 288
FLAG -96 304 0
FLAG -80 128 src
FLAG 1504 96 src
FLAG 2976 96 out2
FLAG 1280 96 out1
SYMBOL voltage -96 144 M0
WINDOW 0 38 44 Left 2
WINDOW 3 -125 105 Left 2
WINDOW 123 35 74 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(4 2m 1kHz)
SYMATTR Value2 AC 2
SYMBOL voltage 1376 0 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 9V
SYMBOL res 2192 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 805
SYMBOL res 2336 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R8
SYMATTR Value 996
SYMBOL cap 2432 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1.2µ
SYMBOL cap 2448 160 R0
WINDOW 3 24 53 Left 2
SYMATTR Value 47n
SYMATTR InstName C6
SYMBOL Opamps\\LT1007 2544 32 R0
SYMATTR InstName U2
SYMBOL cap 2928 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 22n
SYMBOL res 2992 144 R0
SYMATTR InstName R9
SYMATTR Value 20k
SYMBOL res 1632 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 1.5k
SYMBOL cap 1888 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 82n
SYMBOL Opamps\\LT1007 2064 48 R0
SYMATTR InstName U3
SYMBOL res 1952 -96 M0
WINDOW 0 36 15 Left 2
WINDOW 3 24 -21 Left 2
SYMATTR InstName R11
SYMATTR Value 15k
SYMBOL res 1952 160 M0
SYMATTR InstName R12
SYMATTR Value 15k
SYMBOL res 2784 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 1.4k
SYMBOL cap 2800 160 R0
SYMATTR InstName C9
SYMATTR Value 100n
SYMBOL res 496 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 3.9k
SYMBOL res 640 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 4.7k
SYMBOL cap 736 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 220n
SYMBOL cap 752 160 R0
WINDOW 3 24 53 Left 2
SYMATTR Value 10n
SYMATTR InstName C2
SYMBOL Opamps\\LT1007 848 32 R0
SYMATTR InstName U1
SYMBOL cap 1232 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 22n
SYMBOL res 1296 144 R0
SYMATTR InstName R3
SYMATTR Value 20k
SYMBOL res 112 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1.5k
SYMBOL cap 192 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL Opamps\\LT1007 368 48 R0
SYMATTR InstName U4
SYMBOL res 256 -96 M0
SYMATTR InstName R5
SYMATTR Value 15k
SYMBOL res 256 160 M0
SYMATTR InstName R6
SYMATTR Value 15k
SYMBOL res 1088 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 1.5k
SYMBOL cap 1104 160 R0
SYMATTR InstName C10
SYMATTR Value 100n
SYMBOL cap 1632 160 R0
SYMATTR InstName C13
SYMATTR Value 79n
SYMBOL res 2128 -176 R0
SYMATTR InstName R15
SYMATTR Value 1k
SYMBOL res 2128 -32 R0
WINDOW 0 -48 16 Left 2
WINDOW 3 -46 64 Left 2
SYMATTR InstName R16
SYMATTR Value 3k
SYMBOL cap 2288 -160 R0
SYMATTR InstName C12
SYMATTR Value 470n
SYMBOL cap 2176 -16 R0
SYMATTR InstName C14
SYMATTR Value 22n
TEXT -184 -104 Left 2 !;tran 0 100u 0 5n
TEXT -184 -72 Left 2 !.ac dec 200 10 20Meg
TEXT -184 -40 Left 2 !;noise v(out2) V1 oct 100 10 10k