Version 4 SHEET 1 1132 680 WIRE 96 -80 -64 -80 WIRE 208 -80 96 -80 WIRE 480 -80 288 -80 WIRE 592 -80 480 -80 WIRE -272 -64 -416 -64 WIRE -416 -32 -416 -64 WIRE 96 16 96 -80 WIRE 144 16 96 16 WIRE 256 16 224 16 WIRE -272 32 -272 -64 WIRE 384 32 336 32 WIRE 592 32 592 -80 WIRE 688 32 592 32 WIRE 752 32 688 32 WIRE 256 80 256 16 WIRE 272 80 256 80 WIRE 480 80 480 -80 WIRE 592 80 592 32 WIRE -416 96 -416 48 WIRE 144 96 32 96 WIRE 240 96 224 96 WIRE 688 96 688 32 WIRE 32 112 32 96 WIRE 384 128 384 32 WIRE 416 128 384 128 WIRE -688 160 -688 96 WIRE -576 160 -576 96 WIRE -32 160 -160 160 WIRE -272 192 -272 96 WIRE -272 192 -320 192 WIRE -240 192 -272 192 WIRE -320 224 -320 192 WIRE -240 224 -240 192 WIRE 240 224 240 96 WIRE 592 224 592 160 WIRE 592 224 240 224 WIRE -64 240 -64 -80 WIRE -64 240 -160 240 WIRE 32 256 32 208 WIRE 32 256 -160 256 WIRE 384 256 384 128 WIRE 592 256 592 224 WIRE -688 288 -688 240 WIRE -576 288 -576 240 WIRE -64 288 -64 240 WIRE -320 368 -320 288 WIRE -240 368 -240 304 WIRE -240 368 -320 368 WIRE -160 368 -160 336 WIRE -160 368 -240 368 WIRE -64 368 -64 352 WIRE -64 368 -160 368 WIRE 336 368 336 128 WIRE 336 368 -64 368 WIRE 384 368 384 320 WIRE 384 368 336 368 WIRE 480 368 480 176 WIRE 480 368 384 368 WIRE 592 368 592 336 WIRE 592 368 480 368 WIRE 688 368 688 160 WIRE 688 368 592 368 WIRE -160 384 -160 368 WIRE 592 384 592 368 FLAG 592 384 0 FLAG -160 384 0 FLAG -416 96 0 FLAG -688 288 0 FLAG -576 288 0 FLAG -688 96 Carrier FLAG -576 96 Signal FLAG 752 32 Audio_Out IOPIN 752 32 Out SYMBOL ind2 -256 208 R0 WINDOW 0 -27 77 Left 2 WINDOW 3 -49 116 Left 2 SYMATTR InstName L1 SYMATTR Value 300e-6 SYMATTR Type ind SYMATTR SpiceLine Rser=0.1 SYMBOL ind2 -144 144 M0 SYMATTR InstName L2 SYMATTR Value 1e-6 SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL ind2 -144 240 M0 WINDOW 3 -55 104 Left 2 SYMATTR Value 100n SYMATTR InstName L3 SYMATTR Type ind SYMATTR SpiceLine Rser=10m SYMBOL npn -32 112 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL voltage 592 240 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 1.5 SYMBOL ind2 128 112 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L4 SYMATTR Value 2m SYMATTR Type ind SYMATTR SpiceLine Rser=20 SYMBOL ind2 128 32 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 4 56 VBottom 2 SYMATTR InstName L5 SYMATTR Value 2m SYMATTR Type ind SYMATTR SpiceLine Rser=20 SYMBOL cap -336 224 R0 WINDOW 0 21 -14 Left 2 WINDOW 3 2 -55 Left 2 SYMATTR InstName C1 SYMATTR Value 100p SYMATTR SpiceLine Rser=100m SYMBOL cap -80 288 R0 SYMATTR InstName C2 SYMATTR Value 100n SYMBOL res 192 -64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 470k SYMBOL npn 272 32 R0 WINDOW 3 31 -39 Left 2 SYMATTR Value 2N2222 SYMATTR InstName Q2 SYMBOL pnp 416 176 M180 WINDOW 3 -26 213 Left 2 WINDOW 0 19 106 Left 2 SYMATTR Value 2N3906 SYMATTR InstName Q3 SYMBOL cap 368 256 R0 SYMATTR InstName C3 SYMATTR Value 300n SYMBOL res 576 64 R0 SYMATTR InstName R2 SYMATTR Value 8 SYMBOL cap -288 32 R0 SYMATTR InstName C4 SYMATTR Value 0.01p SYMBOL voltage -688 144 R0 WINDOW 3 -212 -49 Left 2 WINDOW 123 -123 -11 Left 2 WINDOW 39 -118 24 Left 2 SYMATTR Value SINE(0 1 919k) SYMATTR Value2 AC 1 0 SYMATTR SpiceLine Rser=75 SYMATTR InstName V2 SYMBOL voltage -576 144 R0 WINDOW 123 37 -13 Left 2 WINDOW 39 24 44 Left 2 SYMATTR Value2 AC 1 0 SYMATTR SpiceLine Rser=75 SYMATTR InstName V3 SYMATTR Value SINE(1.2 1 1000) SYMBOL bv -416 -48 R0 WINDOW 3 13 -48 Left 2 SYMATTR Value V=(v(Carrier)*v(Signal)) SYMATTR InstName B1 SYMBOL cap 672 96 R0 SYMATTR InstName C5 SYMATTR Value 10e-6 TEXT -360 384 Left 2 !K1 L1 L2 L3 0.2 TEXT 24 -112 Left 2 !K2 L4 L5 1 TEXT -824 -88 Left 2 !.tran 0 20m 0 1e-6 TEXT -136 384 Left 2 ;xe3po@yahoo.com http://tech.groups.yahoo.com/group/LTspice