From 49798eb610f18dac4806431b251636d9486b6f5c Mon Sep 17 00:00:00 2001 From: Jan-Henrik Bruhn Date: Mon, 21 Sep 2020 14:18:37 +0200 Subject: [PATCH] Initial commit --- .gitignore | 5 + simulations/multi.asc | 765 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 770 insertions(+) create mode 100644 .gitignore create mode 100644 simulations/multi.asc diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a805d66 --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +*.wav +*.net +*.raw +*.plt +*.log diff --git a/simulations/multi.asc b/simulations/multi.asc new file mode 100644 index 0000000..041f184 --- /dev/null +++ b/simulations/multi.asc @@ -0,0 +1,765 @@ +Version 4 +SHEET 1 3104 1240 +WIRE 576 -640 560 -640 +WIRE 784 -640 656 -640 +WIRE 560 -576 560 -640 +WIRE 656 -576 560 -576 +WIRE 784 -560 784 -640 +WIRE 464 -528 400 -528 +WIRE 560 -528 560 -576 +WIRE 560 -528 544 -528 +WIRE 576 -528 560 -528 +WIRE 400 -512 400 -528 +WIRE 720 -512 720 -576 +WIRE 720 -512 640 -512 +WIRE 784 -416 784 -464 +WIRE 1360 -400 1360 -416 +WIRE 1360 -400 1328 -400 +WIRE 1392 -400 1360 -400 +WIRE 1104 -336 1104 -384 +WIRE 1360 -272 1328 -272 +WIRE 1376 -272 1360 -272 +WIRE 1360 -240 1360 -272 +WIRE 1104 -144 1104 -336 +WIRE 1104 -144 656 -144 +WIRE 656 -64 656 -144 +WIRE 656 -64 -48 -64 +WIRE 336 0 -80 0 +WIRE 992 0 576 0 +WIRE 1696 16 1280 16 +WIRE 2384 32 1968 32 +WIRE -688 48 -704 48 +WIRE -688 96 -688 48 +WIRE -656 96 -688 96 +WIRE -560 96 -576 96 +WIRE -80 112 -80 80 +WIRE -80 112 -96 112 +WIRE -48 112 -48 -64 +WIRE -48 112 -80 112 +WIRE -32 112 -48 112 +WIRE 576 112 576 80 +WIRE 576 112 560 112 +WIRE 624 112 576 112 +WIRE 1280 128 1280 96 +WIRE 1280 128 1264 128 +WIRE 1328 128 1280 128 +WIRE -688 144 -688 96 +WIRE -688 144 -720 144 +WIRE -240 144 -320 144 +WIRE -176 144 -176 112 +WIRE -80 144 -80 112 +WIRE 336 144 336 0 +WIRE 480 144 480 112 +WIRE 480 144 336 144 +WIRE 576 144 576 112 +WIRE 1968 144 1968 112 +WIRE 1968 144 1952 144 +WIRE 2016 144 1968 144 +WIRE 224 160 192 160 +WIRE 880 160 848 160 +WIRE 992 160 992 0 +WIRE 1184 160 1184 128 +WIRE 1184 160 992 160 +WIRE 1280 160 1280 128 +WIRE -688 176 -688 144 +WIRE -656 176 -688 176 +WIRE -560 176 -560 96 +WIRE -560 176 -592 176 +WIRE 192 176 192 160 +WIRE 224 176 224 160 +WIRE 240 176 224 176 +WIRE 848 176 848 160 +WIRE 880 176 880 160 +WIRE 896 176 880 176 +WIRE 1584 176 1552 176 +WIRE 1696 176 1696 16 +WIRE 1872 176 1872 144 +WIRE 1872 176 1696 176 +WIRE 1968 176 1968 144 +WIRE 336 192 336 144 +WIRE 992 192 992 160 +WIRE 1552 192 1552 176 +WIRE 1584 192 1584 176 +WIRE 1600 192 1584 192 +WIRE 2272 192 2240 192 +WIRE 336 208 336 192 +WIRE 336 208 304 208 +WIRE 992 208 992 192 +WIRE 992 208 960 208 +WIRE 1696 208 1696 176 +WIRE 2240 208 2240 192 +WIRE 2272 208 2272 192 +WIRE 2288 208 2272 208 +WIRE 1696 224 1696 208 +WIRE 1696 224 1664 224 +WIRE 2384 224 2384 32 +WIRE 240 240 240 176 +WIRE 896 240 896 176 +WIRE 2384 240 2384 224 +WIRE 2384 240 2352 240 +WIRE -368 256 -368 176 +WIRE -192 256 -368 256 +WIRE -32 256 -32 240 +WIRE 624 256 624 240 +WIRE 1600 256 1600 192 +WIRE 1328 272 1328 256 +WIRE 2288 272 2288 208 +WIRE -688 288 -688 176 +WIRE -688 288 -720 288 +WIRE -656 288 -688 288 +WIRE 336 288 336 272 +WIRE 992 288 992 272 +WIRE 2016 288 2016 272 +WIRE -560 304 -560 176 +WIRE -560 304 -592 304 +WIRE -528 304 -560 304 +WIRE 336 304 336 288 +WIRE 992 304 992 288 +WIRE 1696 304 1696 288 +WIRE 1696 320 1696 304 +WIRE 2384 320 2384 304 +WIRE 2384 336 2384 320 +WIRE -432 352 -464 352 +WIRE -368 352 -432 352 +WIRE -800 384 -800 288 +WIRE -288 400 -336 400 +WIRE -192 416 -192 256 +WIRE -192 416 -224 416 +WIRE -336 432 -336 400 +WIRE -336 432 -432 432 +WIRE 1152 480 1088 480 +WIRE -336 496 -336 432 +WIRE -192 496 -192 416 +WIRE -192 496 -272 496 +WIRE 2992 496 2912 496 +WIRE 3088 496 3056 496 +WIRE 1152 576 1088 576 +WIRE 1232 576 1232 480 +WIRE 1600 576 1600 480 +WIRE 2912 576 2912 496 +WIRE 2976 576 2912 576 +WIRE 3088 576 3088 496 +WIRE 3088 576 3056 576 +WIRE 16 608 0 608 +WIRE 224 608 96 608 +WIRE 2416 640 2384 640 +WIRE 2512 640 2416 640 +WIRE 1232 656 1232 576 +WIRE 1312 656 1232 656 +WIRE 1600 656 1600 576 +WIRE 2192 656 2144 656 +WIRE 2896 656 2736 656 +WIRE 1152 672 1088 672 +WIRE 1232 672 1232 656 +WIRE 224 688 224 608 +WIRE 1232 688 1232 672 +WIRE 1312 688 1312 656 +WIRE 1728 688 1680 688 +WIRE 2896 688 2896 656 +WIRE 2912 688 2912 576 +WIRE 2912 688 2896 688 +WIRE 2976 688 2912 688 +WIRE 3088 688 3088 576 +WIRE 1600 704 1600 656 +WIRE 1680 704 1680 688 +WIRE 1680 704 1600 704 +WIRE 2192 704 2192 656 +WIRE 2736 704 2736 656 +WIRE 3088 704 3088 688 +WIRE 3088 704 3040 704 +WIRE -96 720 -160 720 +WIRE 0 720 0 608 +WIRE 0 720 -16 720 +WIRE 16 720 0 720 +WIRE -160 736 -160 720 +WIRE 160 736 80 736 +WIRE 1680 736 1680 704 +WIRE 1600 752 1600 704 +WIRE 400 768 320 768 +WIRE 496 768 464 768 +WIRE 224 832 224 784 +WIRE 1328 832 1248 832 +WIRE 1424 832 1392 832 +WIRE 320 848 320 768 +WIRE 384 848 320 848 +WIRE 496 848 496 768 +WIRE 496 848 464 848 +WIRE 1984 848 1936 848 +WIRE 2192 848 2128 848 +WIRE -208 896 -224 896 +WIRE 0 896 -128 896 +WIRE 1984 896 1984 848 +WIRE 1248 912 1248 832 +WIRE 1312 912 1248 912 +WIRE 1424 912 1424 832 +WIRE 1424 912 1392 912 +WIRE 1936 944 1936 848 +WIRE 2192 944 2128 944 +WIRE 2272 944 2272 848 +WIRE 320 960 320 848 +WIRE 320 960 240 960 +WIRE 384 960 320 960 +WIRE 0 976 0 896 +WIRE 496 976 496 848 +WIRE 496 976 448 976 +WIRE 576 976 496 976 +WIRE 752 976 720 976 +WIRE 816 976 752 976 +WIRE 1232 992 1072 992 +WIRE -320 1008 -384 1008 +WIRE -224 1008 -224 896 +WIRE -224 1008 -240 1008 +WIRE -208 1008 -224 1008 +WIRE -384 1024 -384 1008 +WIRE -64 1024 -144 1024 +WIRE 1232 1024 1232 992 +WIRE 1248 1024 1248 912 +WIRE 1248 1024 1232 1024 +WIRE 1312 1024 1248 1024 +WIRE 1424 1024 1424 912 +WIRE 1072 1040 1072 992 +WIRE 1424 1040 1424 1024 +WIRE 1424 1040 1376 1040 +WIRE 1936 1040 1936 944 +WIRE 2192 1040 2128 1040 +WIRE 2272 1040 2272 944 +WIRE 2272 1056 2272 1040 +WIRE 816 1104 816 976 +WIRE 848 1104 816 1104 +WIRE 0 1120 0 1072 +WIRE 1936 1136 1936 1040 +FLAG -320 -176 0 +FLAG -192 -176 0 +FLAG -320 -256 +8V +FLAG -192 -256 -8V +FLAG 64 240 -8V +FLAG 64 112 +8V +FLAG -32 256 0 +FLAG -320 224 0 +FLAG 160 144 CUT +FLAG -80 224 0 +FLAG 240 304 0 +FLAG -928 320 0 +FLAG -928 240 VREF +FLAG -624 272 +8V +FLAG -624 336 -8V +FLAG -464 256 CUT +FLAG -368 96 VREF +FLAG -432 304 0 +FLAG -256 432 +8V +FLAG -256 368 -8V +FLAG -224 384 0 +FLAG -800 144 VREF +FLAG -800 464 0 +FLAG 304 144 +8V +FLAG 336 304 -8V +FLAG -656 320 0 +FLAG 336 192 LP1 +FLAG 720 240 -8V +FLAG 720 112 +8V +FLAG 624 256 0 +FLAG 816 144 CUT +FLAG 576 224 0 +FLAG 896 304 0 +FLAG 960 144 +8V +FLAG 992 304 -8V +FLAG 992 192 LP2 +FLAG 1424 256 -8V +FLAG 1424 128 +8V +FLAG 1328 272 0 +FLAG 1520 160 CUT +FLAG 1280 240 0 +FLAG 1600 320 0 +FLAG 1664 160 +8V +FLAG 1696 320 -8V +FLAG 1696 208 LP3 +FLAG 2112 272 -8V +FLAG 2112 144 +8V +FLAG 2016 288 0 +FLAG 2208 176 CUT +FLAG 1968 256 0 +FLAG 2288 336 0 +FLAG 2352 176 +8V +FLAG 2384 336 -8V +FLAG 2384 224 LP4 +FLAG 1088 480 LP2 +FLAG 1088 576 LP3 +FLAG 1088 672 LP4 +FLAG 1520 480 LP1 +FLAG 1520 576 LP2 +FLAG 1520 656 LP3 +FLAG 1520 752 LP4 +FLAG -176 144 in +FLAG 2064 656 LP4 +FLAG 1312 656 bp4o +FLAG 1728 688 hp3o +FLAG 2192 656 lp4o +FLAG 752 1056 0 +FLAG 1344 1008 +8V +FLAG 1344 1072 -8V +FLAG 1312 1056 0 +FLAG 944 976 +8V +FLAG 944 1104 -8V +FLAG 48 704 +8V +FLAG 48 768 -8V +FLAG 16 752 0 +FLAG -160 816 0 +FLAG 224 832 GAIN +FLAG 416 944 +8V +FLAG 416 1008 -8V +FLAG 384 992 0 +FLAG 1424 1024 out +FLAG 1856 848 LP1 +FLAG 1984 848 po +FLAG 1856 944 LP2 +FLAG 1856 1040 LP3 +FLAG 1856 1136 LP4 +FLAG 2128 848 LP1 +FLAG 2128 944 LP2 +FLAG 2128 1040 LP3 +FLAG 2272 848 noo +FLAG 2512 768 0 +FLAG 2416 720 0 +FLAG 3008 672 +8V +FLAG 3008 736 -8V +FLAG 2976 720 0 +FLAG 2608 640 +8V +FLAG 2608 768 -8V +FLAG 2704 672 GAIN +FLAG 3088 688 out2 +FLAG 2304 576 LP4 +FLAG 240 960 lp4o +FLAG -176 992 +8V +FLAG -176 1056 -8V +FLAG -208 1040 0 +FLAG -384 1104 0 +FLAG 0 1120 GAIN2 +FLAG 1040 1008 GAIN2 +FLAG 1232 -400 +8V +FLAG 1232 -272 -8V +FLAG 1136 -368 reso +FLAG 1360 -160 0 +FLAG 1360 -496 0 +FLAG 1520 -272 in +FLAG 1472 -400 lp4 +FLAG 608 -544 +8V +FLAG 608 -480 -8V +FLAG 576 -496 0 +FLAG 400 -432 0 +FLAG 784 -416 reso +FLAG 240 176 CAP +FLAG 848 976 0 +FLAG -784 48 LP4 +SYMBOL LM13700 32 96 R0 +SYMATTR InstName U1 +SYMBOL voltage -320 -272 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V1 +SYMATTR Value 8V +SYMBOL voltage -192 -272 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V2 +SYMATTR Value -8V +SYMBOL voltage -320 128 R0 +WINDOW 3 24 44 Left 2 +WINDOW 123 24 124 Left 2 +WINDOW 39 0 0 Left 0 +SYMATTR Value PULSE(0 4 0 .0075 0 0 0 2000) +SYMATTR InstName V3 +SYMBOL cap -176 128 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C1 +SYMATTR Value 4.7µ +SYMBOL res -80 96 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R1 +SYMATTR Value 10k +SYMBOL res -64 240 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R2 +SYMATTR Value 220 +SYMBOL res -64 96 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R3 +SYMATTR Value 10k +SYMBOL cap 224 240 R0 +SYMATTR InstName C2 +SYMATTR Value 1n +SYMBOL voltage -928 224 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V4 +SYMATTR Value -5.6 +SYMBOL Opamps\\opamp2 -624 240 R0 +SYMATTR InstName U2 +SYMATTR Value TL072 +SYMBOL cap -592 160 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C3 +SYMATTR Value 220n +SYMBOL res -560 80 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R4 +SYMATTR Value 2k2 +SYMBOL res -704 128 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R5 +SYMATTR Value 160k +SYMBOL res -704 272 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R6 +SYMATTR Value 57k +SYMBOL pnp -528 256 R0 +SYMATTR InstName Q1 +SYMATTR Value 2N3906 +SYMBOL pnp -432 256 R0 +SYMATTR InstName Q2 +SYMATTR Value 2N3906 +SYMBOL res -384 80 R0 +SYMATTR InstName R7 +SYMATTR Value 330k +SYMBOL res -448 336 R0 +SYMATTR InstName R8 +SYMATTR Value 1k +SYMBOL Opamps\\opamp2 -256 464 R180 +SYMATTR InstName U3 +SYMATTR Value TL072 +SYMBOL cap -336 512 R270 +WINDOW 0 32 32 VTop 2 +WINDOW 3 0 32 VBottom 2 +SYMATTR InstName C4 +SYMATTR Value 100p +SYMBOL voltage -800 368 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V5 +SYMATTR Value SINE(2 2 1) +SYMBOL res 320 192 R0 +SYMATTR InstName R9 +SYMATTR Value 4k7 +SYMBOL LM13700 688 96 R0 +SYMATTR InstName U4 +SYMBOL res 576 96 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R10 +SYMATTR Value 10k +SYMBOL res 592 240 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R11 +SYMATTR Value 220 +SYMBOL res 592 96 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R12 +SYMATTR Value 10k +SYMBOL cap 880 240 R0 +SYMATTR InstName C5 +SYMATTR Value 1n +SYMBOL res 976 192 R0 +SYMATTR InstName R13 +SYMATTR Value 4k7 +SYMBOL LM13700 1392 112 R0 +SYMATTR InstName U5 +SYMBOL res 1280 112 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R14 +SYMATTR Value 10k +SYMBOL res 1296 256 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R15 +SYMATTR Value 220 +SYMBOL res 1296 112 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R16 +SYMATTR Value 10k +SYMBOL cap 1584 256 R0 +SYMATTR InstName C6 +SYMATTR Value 1n +SYMBOL res 1680 208 R0 +SYMATTR InstName R17 +SYMATTR Value 4k7 +SYMBOL LM13700 2080 128 R0 +SYMATTR InstName U6 +SYMBOL res 1968 128 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R18 +SYMATTR Value 10k +SYMBOL res 1984 272 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R19 +SYMATTR Value 220 +SYMBOL res 1984 128 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R20 +SYMATTR Value 10k +SYMBOL cap 2272 272 R0 +SYMATTR InstName C7 +SYMATTR Value 1n +SYMBOL res 2368 224 R0 +SYMATTR InstName R21 +SYMATTR Value 4k7 +SYMBOL res 1248 464 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R22 +SYMATTR Value 100k +SYMBOL res 1248 560 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R23 +SYMATTR Value 49k9 +SYMBOL res 1248 656 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R24 +SYMATTR Value 100k +SYMBOL res 1616 464 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R25 +SYMATTR Value 100k +SYMBOL res 1616 560 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R26 +SYMATTR Value 33k2 +SYMBOL res 1616 640 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R27 +SYMATTR Value 33k2 +SYMBOL res 1616 736 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R28 +SYMATTR Value 100k +SYMBOL res 2160 640 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R32 +SYMATTR Value 68k +SYMBOL LM13700 912 960 R0 +SYMATTR InstName U7 +SYMBOL res 736 960 R0 +SYMATTR InstName R33 +SYMATTR Value 1k +SYMBOL Opamps\\opamp2 1344 976 R0 +SYMATTR InstName U8 +SYMATTR Value TL072 +SYMBOL res 1408 896 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R29 +SYMATTR Value 14k +SYMBOL cap 1392 816 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C8 +SYMATTR Value 100p +SYMBOL Opamps\\opamp2 48 672 R0 +SYMATTR InstName U9 +SYMATTR Value TL072 +SYMBOL voltage -160 720 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V6 +SYMATTR Value 4 +SYMBOL res 0 704 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R30 +SYMATTR Value 18k +SYMBOL res 112 592 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R31 +SYMATTR Value 2k2 +SYMBOL pnp 160 784 M180 +SYMATTR InstName Q3 +SYMATTR Value 2N3906 +SYMBOL res 736 960 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R34 +SYMATTR Value 10k +SYMBOL Opamps\\opamp2 416 912 R0 +SYMATTR InstName U10 +SYMATTR Value TL072 +SYMBOL res 480 832 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R35 +SYMATTR Value 22k +SYMBOL cap 464 752 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C9 +SYMATTR Value 10p +SYMBOL cap 640 960 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C10 +SYMATTR Value 4µ7 +SYMBOL res 1952 832 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R36 +SYMATTR Value 100k +SYMBOL res 1952 928 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R37 +SYMATTR Value 33k2 +SYMBOL res 1952 1024 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R38 +SYMATTR Value 16k5 +SYMBOL res 1952 1120 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R39 +SYMATTR Value 24k9 +SYMBOL res 2288 832 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R40 +SYMATTR Value 100k +SYMBOL res 2288 928 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R41 +SYMATTR Value 49k9 +SYMBOL res 2288 1024 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R42 +SYMATTR Value 49k9 +SYMBOL LM13700 2576 624 R0 +SYMATTR InstName U11 +SYMBOL res 2400 624 R0 +SYMATTR InstName R43 +SYMATTR Value 220 +SYMBOL Opamps\\opamp2 3008 640 R0 +SYMATTR InstName U12 +SYMATTR Value TL072 +SYMBOL res 3072 560 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R44 +SYMATTR Value 18k +SYMBOL cap 3056 480 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C11 +SYMATTR Value 100p +SYMBOL res 2400 624 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R45 +SYMATTR Value 10k +SYMBOL cap 2320 640 R180 +WINDOW 0 24 56 Left 2 +WINDOW 3 24 8 Left 2 +SYMATTR InstName C12 +SYMATTR Value 4µ7 +SYMBOL Opamps\\opamp2 -176 960 R0 +SYMATTR InstName U13 +SYMATTR Value TL072 +SYMBOL voltage -384 1008 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V7 +SYMATTR Value 4 +SYMBOL res -224 992 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R46 +SYMATTR Value 18k +SYMBOL res -112 880 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R47 +SYMATTR Value 2k2 +SYMBOL pnp -64 1072 M180 +SYMATTR InstName Q4 +SYMATTR Value 2N3906 +SYMBOL LM13700 1264 -416 M0 +SYMATTR InstName U14 +SYMBOL res 1472 -288 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R48 +SYMATTR Value 10k +SYMBOL res 1376 -144 R180 +WINDOW 0 36 76 Left 2 +WINDOW 3 36 40 Left 2 +SYMATTR InstName R49 +SYMATTR Value 220 +SYMBOL res 1376 -384 R270 +WINDOW 0 32 56 VTop 2 +WINDOW 3 0 56 VBottom 2 +SYMATTR InstName R50 +SYMATTR Value 10k +SYMBOL res 1344 -512 R0 +SYMATTR InstName R51 +SYMATTR Value 1k +SYMBOL cap 1520 -288 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C13 +SYMATTR Value 220n +SYMBOL Opamps\\opamp2 608 -576 R0 +SYMATTR InstName U15 +SYMATTR Value TL072 +SYMBOL voltage 400 -528 R0 +WINDOW 123 0 0 Left 0 +WINDOW 39 0 0 Left 0 +SYMATTR InstName V8 +SYMATTR Value PULSE(0 5 0 2.5 0) +SYMBOL res 560 -544 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R52 +SYMATTR Value 18k +SYMBOL res 672 -656 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R53 +SYMATTR Value 2k2 +SYMBOL cap 720 -592 R90 +WINDOW 0 0 32 VBottom 2 +WINDOW 3 32 32 VTop 2 +SYMATTR InstName C14 +SYMATTR Value 100n +SYMBOL pnp 720 -464 M180 +SYMATTR InstName Q6 +SYMATTR Value 2N3906 +SYMBOL res -688 32 R90 +WINDOW 0 0 56 VBottom 2 +WINDOW 3 32 56 VTop 2 +SYMATTR InstName R54 +SYMATTR Value 57k +TEXT -440 736 Left 2 !.include LM13700.sub +TEXT -440 760 Left 2 !.include TL072.sub +TEXT -440 784 Left 2 !.include 2n390x.sub +TEXT -480 616 Left 2 !.wave "export.wav" 16 48k V(out2) +TEXT -760 784 Left 2 !.tran 5