Version 4 SHEET 1 1108 764 WIRE 160 0 -176 0 WIRE -96 64 -128 64 WIRE 16 64 -16 64 WIRE 416 64 352 64 WIRE 496 64 416 64 WIRE 496 80 496 64 WIRE 416 112 416 64 WIRE 448 112 416 112 WIRE -176 160 -176 0 WIRE -64 160 -176 160 WIRE 160 160 160 0 WIRE 416 160 160 160 WIRE -64 192 -64 160 WIRE -272 208 -416 208 WIRE -128 208 -128 64 WIRE -128 208 -192 208 WIRE -96 208 -128 208 WIRE 416 208 416 160 WIRE 16 224 16 64 WIRE 16 224 -32 224 WIRE 224 224 16 224 WIRE 352 224 352 144 WIRE 352 224 304 224 WIRE 384 224 352 224 WIRE -96 240 -128 240 WIRE 496 240 496 160 WIRE 496 240 448 240 WIRE 384 256 336 256 WIRE -416 272 -416 224 WIRE 160 288 160 160 WIRE 496 288 496 240 WIRE -416 320 -416 272 WIRE -320 320 -416 320 WIRE -96 320 -240 320 WIRE -272 368 -320 368 WIRE -240 368 -272 368 WIRE 496 368 496 352 WIRE -128 400 -128 240 WIRE 160 400 160 368 WIRE 160 400 -128 400 WIRE 336 400 336 256 WIRE 336 400 160 400 WIRE -176 448 -176 160 WIRE 80 448 -176 448 WIRE -320 464 -320 368 WIRE -176 464 -176 448 WIRE 160 464 160 400 WIRE -320 576 -320 544 WIRE -176 576 -176 528 WIRE -176 576 -320 576 WIRE -96 576 -96 320 WIRE -96 576 -176 576 WIRE -64 576 -64 256 WIRE -64 576 -96 576 WIRE 80 576 80 528 WIRE 80 576 -64 576 WIRE 160 576 160 544 WIRE 160 576 80 576 WIRE 416 576 416 272 WIRE 416 576 160 576 WIRE 496 576 496 448 WIRE 496 576 416 576 WIRE -320 608 -320 576 FLAG 544 416 OUT IOPIN 544 416 Out FLAG -320 608 0 FLAG -240 368 IN IOPIN -240 368 In SYMBOL Misc\\battery 80 432 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 24 104 Invisible 0 SYMATTR Value 9 SYMATTR InstName V1 SYMBOL res 144 448 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL res 144 272 R0 SYMATTR InstName R3 SYMATTR Value 10K SYMBOL polcap -192 464 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 47µ SYMATTR InstName C3 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=4 Irms=0 Rser=2.4 MTBF=0 Lser=0 mfg="AVX" pn="TAJB476M004" type="Tantalum" ppPkg=1 SYMBOL cap -432 208 R0 WINDOW 3 22 68 Left 0 SYMATTR Value 0.1µ SYMATTR InstName C1 SYMATTR SpiceLine V=10 Irms=0 Rser=0.009 MTBF=0 Lser=0 type="X5R" ppPkg=1 SYMBOL polcap 480 288 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 0.1µ SYMATTR InstName C6 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=22m Rser=3.9 MTBF=2000 Lser=0 mfg="Nichicon" pn="UPL1HR47MAH" type="Al electrolytic" ppPkg=1 SYMBOL Misc\\signal -320 448 R0 WINDOW 0 41 58 Left 0 WINDOW 3 24 104 Invisible 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value SINE(0 .1 1K) SYMBOL res -176 192 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 10K SYMBOL res 0 48 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL res 320 208 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL res 336 48 R0 WINDOW 0 -36 32 Left 0 WINDOW 3 -50 67 Left 0 SYMATTR InstName R8 SYMATTR Value 10K SYMBOL potentiometer\ 2 -336 304 M90 WINDOW 0 33 14 Left 0 WINDOW 3 36 88 Invisible 0 SYMATTR InstName U3 SYMATTR Value Rtot=100K wiper=.99 SYMBOL potentiometer\ 2 512 64 M0 WINDOW 0 41 20 Left 0 WINDOW 3 36 88 Invisible 0 SYMATTR InstName U4 SYMATTR Value Rtot=100K wiper=.99 SYMBOL potentiometer\ 2 480 352 R0 WINDOW 0 -50 90 Left 0 WINDOW 3 36 88 Invisible 0 SYMATTR InstName U5 SYMATTR Value Rtot=100K wiper=.035 SYMBOL Opamps\\TL072 -64 160 R0 SYMATTR InstName U1 SYMBOL Opamps\\TL072 416 176 R0 SYMATTR InstName U2 TEXT 200 600 Left 0 !.include potentiometer.sub TEXT 576 136 Left 0 ;100K TEXT 528 488 Left 0 ;100K TEXT 240 -24 Left 0 ;TL072 Low-Noise Dual Operational Amplifier\nGuitar Distortion Effect TEXT -168 648 Left 0 ;Include the following in Spice Directive for Potentiometer:\n.include potentiometer.sub TEXT 240 -128 Left 0 ;NOTE:\nU3, U4 and U5\nAre Potentiometers TEXT 560 104 Left 0 ;Wiper=.99 TEXT 512 456 Left 0 ;Wiper=.035 TEXT -456 344 Left 0 ;Test\nSignal\nGenerator\nSine Wave\n.1V 1Khz TEXT -240 600 Left 0 !.tran 10ms TEXT -200 -56 Left 0 ;U1 and U2\nTL072 Low-Noise Dual Op-Amp TEXT -296 408 Left 0 ;Wiper=.99 TEXT -272 440 Left 0 ;100K TEXT -464 -128 Left 0 ;Designed with Linear Technology LTSpice IV TEXT -24 488 Left 0 ;9VDC