Version 4
SHEET 1 2472 1368
WIRE -640 -48 -640 -64
WIRE -544 -48 -544 -64
WIRE -640 64 -640 32
WIRE -544 64 -544 32
WIRE -272 176 -336 176
WIRE -96 176 -272 176
WIRE 224 208 160 208
WIRE 400 208 224 208
WIRE -736 240 -1040 240
WIRE -608 240 -656 240
WIRE -544 240 -608 240
WIRE -400 240 -400 176
WIRE -400 240 -464 240
WIRE 720 240 656 240
WIRE 896 240 720 240
WIRE 960 240 896 240
WIRE -400 256 -400 240
WIRE -272 256 -336 256
WIRE -240 256 -272 256
WIRE -96 272 -96 176
WIRE -96 272 -176 272
WIRE -48 272 -96 272
WIRE 96 272 96 208
WIRE 96 272 32 272
WIRE -608 288 -608 240
WIRE -240 288 -272 288
WIRE 96 288 96 272
WIRE 224 288 160 288
WIRE 256 288 224 288
WIRE 400 304 400 208
WIRE 400 304 320 304
WIRE 448 304 400 304
WIRE 592 304 592 240
WIRE 592 304 528 304
WIRE 256 320 224 320
WIRE 592 320 592 304
WIRE 720 320 656 320
WIRE 752 320 720 320
WIRE -400 336 -400 256
WIRE -272 336 -272 288
WIRE -272 336 -320 336
WIRE 896 336 896 240
WIRE 896 336 816 336
WIRE 976 336 896 336
WIRE 1136 336 1040 336
WIRE 1232 336 1136 336
WIRE 752 352 720 352
WIRE -272 368 -272 336
WIRE 96 368 96 288
WIRE 224 368 224 320
WIRE 224 368 176 368
WIRE 1136 384 1136 336
WIRE -608 400 -608 368
WIRE 224 400 224 368
WIRE 592 400 592 320
WIRE 720 400 720 352
WIRE 720 400 672 400
WIRE 1696 416 1520 416
WIRE 1840 416 1776 416
WIRE 720 432 720 400
WIRE -1808 464 -2112 464
WIRE 1136 480 1136 448
WIRE -1504 496 -1664 496
WIRE -1408 496 -1424 496
WIRE -1392 496 -1408 496
WIRE -1296 496 -1312 496
WIRE 1712 512 1680 512
WIRE 1840 512 1840 416
WIRE 1840 512 1776 512
WIRE 1872 512 1840 512
WIRE -2112 560 -2112 544
WIRE -1504 608 -1808 608
WIRE -1408 608 -1408 496
WIRE -1408 608 -1424 608
WIRE -1408 624 -1408 608
WIRE -1392 624 -1408 624
WIRE 1312 624 1312 336
WIRE 1408 624 1312 624
WIRE 1520 624 1520 416
WIRE 1520 624 1488 624
WIRE 1552 624 1520 624
WIRE 1680 624 1680 512
WIRE 1680 624 1632 624
WIRE 1712 624 1680 624
WIRE -1296 640 -1296 496
WIRE -1296 640 -1328 640
WIRE -1184 640 -1216 640
WIRE -1088 640 -1184 640
WIRE -1040 640 -1040 240
WIRE -1040 640 -1088 640
WIRE 1840 640 1840 512
WIRE 1840 640 1776 640
WIRE 2160 640 1840 640
WIRE -1392 656 -1424 656
WIRE 1712 656 1680 656
WIRE 2304 656 2224 656
WIRE 1520 672 1520 624
WIRE 2160 672 2112 672
WIRE -1808 688 -1808 608
WIRE -1184 688 -1184 640
WIRE -1088 688 -1088 640
WIRE -1424 704 -1424 656
WIRE 1680 736 1680 656
WIRE 1520 768 1520 736
WIRE -1184 784 -1184 752
WIRE -1136 784 -1184 784
WIRE -1088 784 -1088 752
WIRE -1088 784 -1136 784
WIRE 2000 784 1968 784
WIRE 2112 784 2112 672
WIRE 2112 784 2080 784
WIRE 2160 784 2112 784
WIRE 2304 784 2304 656
WIRE 2304 784 2240 784
WIRE -1808 816 -1808 768
WIRE -1136 816 -1136 784
WIRE 1968 816 1968 784
WIRE -320 864 -384 864
WIRE -144 864 -320 864
WIRE 176 896 112 896
WIRE 352 896 176 896
WIRE -1040 928 -1040 640
WIRE -928 928 -960 928
WIRE -896 928 -928 928
WIRE -784 928 -816 928
WIRE -736 928 -784 928
WIRE -640 928 -656 928
WIRE -592 928 -640 928
WIRE -448 928 -448 864
WIRE -448 928 -512 928
WIRE 672 928 608 928
WIRE 848 928 672 928
WIRE 960 928 848 928
WIRE -448 944 -448 928
WIRE -320 944 -384 944
WIRE -288 944 -320 944
WIRE -144 960 -144 864
WIRE -144 960 -224 960
WIRE -96 960 -144 960
WIRE 48 960 48 896
WIRE 48 960 -16 960
WIRE -928 976 -928 928
WIRE -784 976 -784 928
WIRE -640 976 -640 928
WIRE -288 976 -320 976
WIRE 48 976 48 960
WIRE 176 976 112 976
WIRE 208 976 176 976
WIRE 352 992 352 896
WIRE 352 992 272 992
WIRE 400 992 352 992
WIRE 544 992 544 928
WIRE 544 992 480 992
WIRE 208 1008 176 1008
WIRE 544 1008 544 992
WIRE 672 1008 608 1008
WIRE 704 1008 672 1008
WIRE -448 1024 -448 944
WIRE -320 1024 -320 976
WIRE -320 1024 -368 1024
WIRE 848 1024 848 928
WIRE 848 1024 768 1024
WIRE 976 1024 848 1024
WIRE 1072 1024 1040 1024
WIRE 1216 1024 1072 1024
WIRE 1312 1024 1312 624
WIRE 1312 1024 1296 1024
WIRE 704 1040 672 1040
WIRE -784 1056 -784 1040
WIRE -640 1056 -640 1040
WIRE -320 1056 -320 1024
WIRE 48 1056 48 976
WIRE 176 1056 176 1008
WIRE 176 1056 128 1056
WIRE -928 1072 -928 1056
WIRE 176 1088 176 1056
WIRE 544 1088 544 1008
WIRE 672 1088 672 1040
WIRE 672 1088 624 1088
WIRE 1072 1104 1072 1024
WIRE 672 1120 672 1088
WIRE 1072 1200 1072 1168
FLAG -640 64 0
FLAG -544 64 0
FLAG -208 304 V-
FLAG -544 -64 V-
FLAG -640 -64 V+
FLAG -208 240 V+
FLAG -272 368 0
FLAG 288 336 V-
FLAG 288 272 V+
FLAG 224 400 0
FLAG 784 368 V-
FLAG 784 304 V+
FLAG 720 432 0
FLAG 960 240 MarkOut3
IOPIN 960 240 Out
FLAG -96 176 MarkOut1
IOPIN -96 176 Out
FLAG 400 208 MarkOut2
IOPIN 400 208 Out
FLAG 1744 672 V-
FLAG 1744 608 V+
FLAG 1680 736 0
FLAG 1520 768 0
FLAG 1872 512 LpfOut
IOPIN 1872 512 Out
FLAG -256 992 V-
FLAG -256 928 V+
FLAG -320 1056 0
FLAG -144 864 SpaceOut1
IOPIN -144 864 Out
FLAG 240 1024 V-
FLAG 240 960 V+
FLAG 176 1088 0
FLAG 352 896 SpaceOut2
IOPIN 352 896 Out
FLAG 736 1056 V-
FLAG 736 992 V+
FLAG 672 1120 0
FLAG 960 928 SpaceOut3
IOPIN 960 928 Out
FLAG 1136 480 0
FLAG 1072 1200 0
FLAG -2112 560 0
FLAG -608 400 0
FLAG -928 1072 0
FLAG -784 1056 0
FLAG -640 1056 0
FLAG -1136 816 0
FLAG -1808 816 0
FLAG 2192 624 V+
FLAG 2192 688 V-
FLAG 1968 816 0
FLAG -1360 608 V+
FLAG -1360 672 V-
FLAG -1424 704 0
SYMBOL voltage -640 -64 R0
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL voltage -544 -64 R0
SYMATTR InstName V2
SYMATTR Value -12V
SYMBOL cap -400 272 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 43 VBottom 2
SYMATTR InstName C8
SYMATTR Value 5nF
SYMBOL res -256 272 R180
WINDOW 0 34 65 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R14
SYMATTR Value 390k
SYMBOL res -304 320 R90
WINDOW 0 65 56 VBottom 2
WINDOW 3 70 54 VTop 2
SYMATTR InstName R15
SYMATTR Value 583
SYMBOL cap -336 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -50 32 VTop 2
SYMATTR InstName C7
SYMATTR Value 5nF
SYMBOL res -448 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 39k
SYMBOL cap 96 304 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 43 VBottom 2
SYMATTR InstName C10
SYMATTR Value 5nF
SYMBOL res 240 304 R180
WINDOW 0 34 65 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R17
SYMATTR Value 390k
SYMBOL res 192 352 R90
WINDOW 0 65 56 VBottom 2
WINDOW 3 70 54 VTop 2
SYMATTR InstName R18
SYMATTR Value 583
SYMBOL cap 160 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -50 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 5nF
SYMBOL res 48 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R16
SYMATTR Value 39k
SYMBOL cap 592 336 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 43 VBottom 2
SYMATTR InstName C12
SYMATTR Value 5nF
SYMBOL res 736 336 R180
WINDOW 0 34 65 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R20
SYMATTR Value 390k
SYMBOL res 688 384 R90
WINDOW 0 65 56 VBottom 2
WINDOW 3 70 54 VTop 2
SYMATTR InstName R21
SYMATTR Value 583
SYMBOL cap 656 224 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -50 32 VTop 2
SYMATTR InstName C11
SYMATTR Value 5nF
SYMBOL res 544 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 39k
SYMBOL res 1648 608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R35
SYMATTR Value 24k
SYMBOL res 1504 608 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R33
SYMATTR Value 390k
SYMBOL res 1792 400 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R34
SYMATTR Value 390k
SYMBOL cap 1776 496 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C23
SYMATTR Value 10nF
SYMBOL cap 1536 736 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C22
SYMATTR Value 220nF
SYMBOL cap -448 960 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 43 VBottom 2
SYMATTR InstName C14
SYMATTR Value 5nF
SYMBOL res -304 960 R180
WINDOW 0 34 65 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R23
SYMATTR Value 390k
SYMBOL res -352 1008 R90
WINDOW 0 65 56 VBottom 2
WINDOW 3 70 54 VTop 2
SYMATTR InstName R24
SYMATTR Value 496
SYMBOL cap -384 848 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -50 32 VTop 2
SYMATTR InstName C13
SYMATTR Value 5nF
SYMBOL res -496 912 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 39k
SYMBOL cap 48 992 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 43 VBottom 2
SYMATTR InstName C16
SYMATTR Value 5nF
SYMBOL res 192 992 R180
WINDOW 0 34 65 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R26
SYMATTR Value 390k
SYMBOL res 144 1040 R90
WINDOW 0 65 56 VBottom 2
WINDOW 3 70 54 VTop 2
SYMATTR InstName R27
SYMATTR Value 496
SYMBOL cap 112 880 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -50 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 5nF
SYMBOL res 0 944 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R25
SYMATTR Value 39k
SYMBOL cap 544 1024 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 43 VBottom 2
SYMATTR InstName C18
SYMATTR Value 5nF
SYMBOL res 688 1024 R180
WINDOW 0 34 65 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R29
SYMATTR Value 390k
SYMBOL res 640 1072 R90
WINDOW 0 65 56 VBottom 2
WINDOW 3 70 54 VTop 2
SYMATTR InstName R30
SYMATTR Value 496
SYMBOL cap 608 912 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -50 32 VTop 2
SYMATTR InstName C17
SYMATTR Value 5nF
SYMBOL res 496 976 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 39k
SYMBOL diode 1040 320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMBOL cap 1120 384 R0
SYMATTR InstName C20
SYMATTR Value 5nF
SYMBOL cap 1056 1104 R0
SYMATTR InstName C19
SYMATTR Value 5nF
SYMBOL res 1328 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R32
SYMATTR Value 100k
SYMBOL res 1312 1008 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R31
SYMATTR Value 100k
SYMBOL SpecialFunctions\\modulate -1808 464 R0
WINDOW 3 0 0 Invisible 0
SYMATTR Value mark=2125 space=2295
SYMATTR InstName A1
SYMBOL diode 976 1040 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D3
SYMBOL res -640 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 2.2k
SYMBOL res -592 384 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 560
SYMBOL cap -656 976 R0
SYMATTR InstName C6
SYMATTR Value 50nF
SYMBOL cap -800 976 R0
SYMATTR InstName C5
SYMATTR Value 50nF
SYMBOL res -640 912 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 1.5k
SYMBOL res -800 912 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 1.8k
SYMBOL res -944 912 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 330
SYMBOL res -912 1072 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL diode -1200 688 R0
SYMATTR InstName D1
SYMBOL diode -1072 752 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL bv -1808 672 R0
SYMATTR InstName B1
SYMATTR Value V=white(time*10e3)
SYMBOL Opamps\\UniversalOpamp2 2192 656 R0
SYMATTR InstName IC5b
SYMBOL res 2096 768 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R36
SYMATTR Value 2.2k
SYMBOL res 2256 768 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R37
SYMATTR Value 12k
SYMBOL Opamps\\UniversalOpamp2 784 336 R0
SYMATTR InstName IC2b
SYMBOL Opamps\\UniversalOpamp2 288 304 R0
SYMATTR InstName IC2a
SYMBOL Opamps\\UniversalOpamp2 1744 640 R0
SYMATTR InstName IC4b
SYMBOL Opamps\\UniversalOpamp2 736 1024 R0
SYMATTR InstName IC3a
SYMBOL Opamps\\UniversalOpamp2 240 992 R0
SYMATTR InstName IC3b
SYMBOL Opamps\\UniversalOpamp2 -256 960 R0
SYMATTR InstName IC1a
SYMBOL Opamps\\UniversalOpamp2 -208 272 R0
SYMATTR InstName IC1b
SYMBOL Opamps\\UniversalOpamp2 -1360 640 R0
SYMATTR InstName U9
SYMBOL res -1200 624 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res -1296 480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 25k
SYMBOL res -1408 480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res -1408 592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 2k
SYMBOL bv -2112 448 R0
SYMATTR InstName B2
SYMATTR Value V=(rand(time/.022) >=.5)
TEXT -400 448 Left 2 ;One Section\nFc = 2.124 kHz\nA = 13.985 dB\nFl = 2.044 kHz\nFh = 2.207 kHz\nBW = 163 Hz\nQ = 13
TEXT -400 640 Left 2 ;Output reaches 50% of final value 1.3 ms after input tone starts.\nOutput drops to 50% of final value 1.5 ms after input tone stops.
TEXT -400 696 Left 2 ;A=6.9 dB at 2.295 kHz, down about 7.1 dB.
TEXT 384 456 Left 2 ;Three Sections\nFc = 2.124 kHz\nA = 41.95 dB\nFl = 2.083 kHz\nFh = 2.166 kHz\nBW = 89 Hz\nQ = 23.9\nA = 20.7 dB at 2.295 kHz, down 21.2 dB\nOutput reaches 50% of final value 5 ms after input tone starts.
TEXT -440 1160 Left 2 ;One Section\nFc = 2.296 Hz\nA - 13,98 dB\nFl = 2.216 kHz\nFh = 2.378 kHz\nBW = 162 Hz\nQ = 14.17
TEXT 240 1160 Left 2 ;Three Sections\nFc = 2.296 kHz\nA = 41.92 dB\nFl = 2.255 kHz\nFh = 2.337 kHz\nBW = 82 Hz\nQ = 28
TEXT -1080 1352 Left 2 !.tran 10
TEXT 1520 840 Left 2 ;Data Low Pass Filter\nFh = 45 Hz
TEXT -872 1160 Left 2 ;Space Audio LPF
TEXT -1784 336 Left 2 ;AFSK Source, 2Vpp
TEXT -1832 888 Left 2 ;White Noise Source, 1Vpp
TEXT -2176 608 Left 2 ;Random Data Generator\n22 ms per bit.