Version 4
SHEET 1 1540 1004
WIRE 320 -192 320 -240
WIRE 320 -192 192 -192
WIRE 192 -112 192 -192
WIRE 320 -32 320 -192
WIRE -192 16 -352 16
WIRE -144 16 -192 16
WIRE 16 16 -80 16
WIRE 192 16 192 -32
WIRE 192 16 16 16
WIRE 256 16 192 16
WIRE -192 48 -192 16
WIRE 16 64 16 16
WIRE -352 128 -352 16
WIRE -192 176 -192 128
WIRE 16 176 16 128
WIRE 320 176 320 64
WIRE 320 176 16 176
WIRE 368 176 320 176
WIRE 496 176 448 176
WIRE 16 208 16 176
WIRE 192 208 192 16
WIRE -880 224 -880 160
WIRE 320 224 320 176
WIRE -880 320 -880 304
WIRE -352 320 -352 192
WIRE -192 320 -192 256
WIRE 16 320 16 272
WIRE 192 320 192 288
WIRE 320 320 320 304
FLAG 16 320 0
FLAG -880 320 0
FLAG 320 320 0
FLAG -192 320 0
FLAG -352 320 0
FLAG -880 160 vcc
IOPIN -880 160 Out
FLAG 320 -240 vcc
IOPIN 320 -240 Out
FLAG 192 320 0
FLAG 496 176 OUT
SYMBOL ind -208 32 R0
SYMATTR InstName L1
SYMATTR Value 891nH
SYMBOL cap -80 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 220p
SYMBOL cap 0 64 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap 0 208 R0
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL cap -368 128 R0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL res 304 208 R0
SYMATTR InstName R2
SYMATTR Value 120R
SYMBOL voltage -880 208 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V2
SYMATTR Value 5V
SYMBOL res 176 192 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 176 -128 R0
SYMATTR InstName R5
SYMATTR Value 8K2
SYMBOL res 464 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 120R
SYMBOL res -208 160 R0
SYMATTR InstName R8
SYMATTR Value 0.0001R
SYMBOL npn 256 -32 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
TEXT -520 352 Left 2 ;705nH, 5 turns, square PCB planar inductor\nConductor spacing: 200 um\nConductor width: 200 um\ninner diameter: 11400 um\nouter diameter: 15000 um\n \ninductance: 705.3696 nH
TEXT -624 600 Left 2 !.tran 0 10µ 9µ
TEXT -360 -416 Left 7 ;Oszillator
TEXT 760 -424 Left 7 ;Demodulator