Version 4 SHEET 1 1576 680 WIRE -976 -608 -1120 -608 WIRE -448 -608 -976 -608 WIRE -1120 -560 -1120 -608 WIRE -976 -496 -976 -608 WIRE -1120 -448 -1120 -480 WIRE -1040 -448 -1120 -448 WIRE -1120 -416 -1120 -448 WIRE -1248 -320 -1440 -320 WIRE -1120 -320 -1120 -352 WIRE -1120 -320 -1184 -320 WIRE -976 -320 -976 -400 WIRE -880 -320 -976 -320 WIRE -736 -320 -800 -320 WIRE -592 -320 -672 -320 WIRE -1120 -304 -1120 -320 WIRE -448 -304 -448 -608 WIRE -288 -304 -448 -304 WIRE -192 -304 -288 -304 WIRE 32 -304 -192 -304 WIRE 944 -304 32 -304 WIRE -288 -288 -288 -304 WIRE -1440 -240 -1440 -320 WIRE -976 -240 -976 -320 WIRE -448 -224 -448 -304 WIRE -192 -224 -192 -304 WIRE -1120 -192 -1120 -240 WIRE -1040 -192 -1120 -192 WIRE -288 -192 -288 -208 WIRE 32 -176 32 -304 WIRE -1120 -160 -1120 -192 WIRE -1440 -80 -1440 -160 WIRE -288 -64 -288 -112 WIRE -192 -64 -192 -160 WIRE -192 -64 -288 -64 WIRE -64 -64 -192 -64 WIRE 32 -64 32 -96 WIRE 128 -64 32 -64 WIRE 272 -64 192 -64 WIRE 400 -64 352 -64 WIRE 480 -64 400 -64 WIRE 544 -64 480 -64 WIRE 656 -64 624 -64 WIRE 720 -64 656 -64 WIRE -1120 -48 -1120 -80 WIRE -976 -48 -976 -144 WIRE -64 -48 -64 -64 WIRE -288 -32 -288 -64 WIRE 32 -16 32 -64 WIRE -768 16 -1024 16 WIRE -560 16 -688 16 WIRE -448 16 -448 -144 WIRE -448 16 -496 16 WIRE -352 16 -448 16 WIRE 400 16 400 -64 WIRE 480 16 480 -64 WIRE 656 32 656 -64 WIRE 720 32 720 -64 WIRE -64 48 -64 16 WIRE -16 48 -64 48 WIRE 944 48 944 -304 WIRE -1024 64 -1024 16 WIRE 208 112 208 64 WIRE -592 128 -592 -320 WIRE -288 128 -288 64 WIRE -288 128 -592 128 WIRE -64 160 -64 48 WIRE 32 160 32 80 WIRE -288 176 -288 128 WIRE -448 192 -448 16 WIRE -1024 240 -1024 144 WIRE 208 304 208 192 WIRE 400 304 400 80 WIRE 400 304 208 304 WIRE 480 304 480 96 WIRE 480 304 400 304 WIRE 656 304 656 96 WIRE 656 304 480 304 WIRE 720 304 720 112 WIRE 720 304 656 304 WIRE 480 320 480 304 WIRE -1024 416 -1024 320 WIRE -448 416 -448 272 WIRE -288 416 -288 256 WIRE -64 416 -64 240 WIRE 32 416 32 240 WIRE 944 416 944 128 FLAG -1440 -80 0 FLAG -1024 416 0 FLAG 480 320 0 FLAG -288 416 0 FLAG 944 416 0 FLAG -448 416 0 FLAG -976 -48 0 FLAG -1120 -48 0 FLAG -64 416 0 FLAG 32 416 0 SYMBOL res -896 -336 M90 WINDOW 0 0 56 VBottom 0 WINDOW 3 34 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 100 SYMBOL res -672 0 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName Rv SYMATTR Value 10k SYMBOL cap -496 0 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 100n SYMBOL bv -1024 224 R0 WINDOW 3 11 112 Left 0 SYMATTR Value V=1*((1+0.5*sin(2*pi*6000*time))*sin(2*pi*600000*time))/10 SYMATTR InstName B1 SYMBOL bv -1024 48 R0 WINDOW 3 20 124 Left 0 SYMATTR Value V=1*((1+0.5*sin(2*pi*1000*time))*sin(2*pi*759k*time))/10 SYMATTR InstName B2 SYMBOL res 368 -80 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 100k SYMBOL cap 384 16 R0 SYMATTR InstName C3 SYMATTR Value 1n SYMBOL ind 464 0 R0 SYMATTR InstName L1 SYMATTR Value 1m SYMBOL res 640 -80 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value 100k SYMBOL cap 640 32 R0 SYMATTR InstName C4 SYMATTR Value 1n SYMBOL ind 704 16 R0 SYMATTR InstName L2 SYMATTR Value 1m SYMBOL npn -352 -32 R0 SYMATTR InstName Q1 SYMATTR Value 2N5551 SYMBOL voltage 944 32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL ind -304 -304 R0 SYMATTR InstName L3 SYMATTR Value 1m SYMBOL cap -208 -224 R0 SYMATTR InstName C2 SYMATTR Value 1n SYMBOL voltage 208 96 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 1 SYMATTR InstName V4 SYMATTR Value "" SYMBOL voltage -1440 -256 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value SINE(2 2 600k) SYMBOL res -304 -208 R0 SYMATTR InstName R1 SYMATTR Value 100 SYMBOL res -304 160 R0 SYMATTR InstName R7 SYMATTR Value 1k SYMBOL cap -672 -336 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C6 SYMATTR Value 100n SYMBOL res -464 -240 R0 SYMATTR InstName R8 SYMATTR Value 90k SYMBOL res -464 176 R0 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL npn -1040 -496 R0 SYMATTR InstName Q2 SYMATTR Value 2N5551 SYMBOL res -1136 -576 R0 SYMATTR InstName R10 SYMATTR Value 5k SYMBOL cap -1184 -336 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C7 SYMATTR Value 100n SYMBOL diode -1136 -416 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode -1136 -304 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL res -1136 -176 R0 SYMATTR InstName R11 SYMATTR Value 5k SYMBOL pnp -1040 -144 M180 SYMATTR InstName Q3 SYMATTR Value 2N5401 SYMBOL njf -16 -16 R0 SYMATTR InstName J1 SYMATTR Value 2N3819 SYMBOL res 16 -192 R0 SYMATTR InstName R12 SYMATTR Value 5k SYMBOL res -80 144 R0 SYMATTR InstName R13 SYMATTR Value 1Meg SYMBOL res 16 144 R0 SYMATTR InstName R14 SYMATTR Value 2k SYMBOL cap -80 -48 R0 SYMATTR InstName C5 SYMATTR Value 1n SYMBOL cap 192 -80 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C8 SYMATTR Value 1n TEXT -400 -368 Left 0 !;op TEXT -400 -400 Left 0 !.tran 0 10m 0.001u TEXT -400 -432 Left 0 !;ac oct 1k 1k 100Meg TEXT -1400 -72 Left 0 ;Clapp Oszillator TEXT -976 104 Left 0 ;Sender 1 TEXT -976 280 Left 0 ;Sender 2 TEXT -1400 -104 Left 0 ;1-2V Amplitude TEXT -64 -232 Left 0 ;fm = 159khz TEXT -752 72 Left 0 ;Poti TEXT -264 80 Left 0 ;Mischer