Version 4
SHEET 1 1576 680
WIRE -768 -320 -1024 -320
WIRE -432 -320 -688 -320
WIRE -192 -304 -288 -304
WIRE 672 -304 -192 -304
WIRE -288 -288 -288 -304
WIRE -1024 -240 -1024 -320
WIRE -192 -224 -192 -304
WIRE -288 -192 -288 -208
WIRE -1024 -80 -1024 -160
WIRE -288 -64 -288 -112
WIRE -192 -64 -192 -160
WIRE -192 -64 -288 -64
WIRE -288 -32 -288 -64
WIRE -192 -16 -192 -64
WIRE -64 -16 -192 -16
WIRE 48 -16 0 -16
WIRE 176 -16 128 -16
WIRE 256 -16 176 -16
WIRE 320 -16 256 -16
WIRE 432 -16 400 -16
WIRE 496 -16 432 -16
WIRE -768 16 -1024 16
WIRE -592 16 -688 16
WIRE -432 16 -432 -320
WIRE -432 16 -528 16
WIRE -352 16 -432 16
WIRE 672 48 672 -304
WIRE -1024 64 -1024 16
WIRE 176 64 176 -16
WIRE 256 64 256 -16
WIRE 432 80 432 -16
WIRE 496 80 496 -16
WIRE -144 112 -144 80
WIRE -1024 240 -1024 144
WIRE -144 304 -144 192
WIRE 176 304 176 128
WIRE 176 304 -144 304
WIRE 256 304 256 144
WIRE 256 304 176 304
WIRE 432 304 432 144
WIRE 432 304 256 304
WIRE 496 304 496 160
WIRE 496 304 432 304
WIRE 256 320 256 304
WIRE -1024 416 -1024 320
WIRE -288 416 -288 64
WIRE 672 416 672 128
FLAG -1024 -80 0
FLAG -1024 416 0
FLAG 256 320 0
FLAG -288 416 0
FLAG 672 416 0
SYMBOL res -784 -336 M90
WINDOW 0 0 56 VBottom 0
WINDOW 3 34 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res -672 0 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL cap -528 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=0*((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 144 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL cap 160 64 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL ind 240 48 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMBOL res 416 -32 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL cap 416 80 R0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL ind 480 64 R0
SYMATTR InstName L2
SYMATTR Value 1m
SYMBOL npn -352 -32 R0
SYMATTR InstName Q1
SYMATTR Value 2N5551
SYMBOL voltage 672 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 cap 0 -32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL voltage -144 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 -1024 -256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(2 2 500k)
SYMBOL res -304 -208 R0
SYMATTR InstName R1
SYMATTR Value 100
TEXT -96 392 Left 0 !;op
TEXT -96 360 Left 0 !.tran 0 10m 0
TEXT -96 328 Left 0 !;ac oct 1k 1k 100Meg
TEXT -1008 -280 Left 0 ;Clapp Oszillator
TEXT -976 104 Left 0 ;Sender 1
TEXT -976 280 Left 0 ;Sender 2
TEXT -976 -216 Left 0 ;2V Offset \n2V Amplitude
TEXT -144 -232 Left 0 ;fm  = 159khz