Version 4
SHEET 1 1184 680
WIRE 32 -416 -1056 -416
WIRE -1200 -384 -1344 -384
WIRE 32 -240 32 -416
WIRE -624 -224 -800 -224
WIRE 128 -224 -624 -224
WIRE -416 -160 -464 -160
WIRE -288 -160 -336 -160
WIRE -240 -160 -288 -160
WIRE -112 -160 -160 -160
WIRE 16 -160 -112 -160
WIRE 32 -160 32 -176
WIRE 32 -160 16 -160
WIRE 128 -144 128 -224
WIRE -112 -128 -112 -160
WIRE 32 -128 32 -160
WIRE -464 -48 -464 -160
WIRE -112 -48 -112 -64
WIRE -112 -48 -464 -48
WIRE 32 -48 32 -64
WIRE 32 -48 -112 -48
WIRE -288 0 -288 -160
WIRE -288 0 -352 0
WIRE -256 0 -288 0
WIRE -112 0 -112 -48
WIRE -464 48 -464 -48
WIRE -416 48 -464 48
WIRE -256 48 -256 0
WIRE -176 48 -256 48
WIRE 128 48 128 -64
WIRE 240 48 128 48
WIRE 352 48 240 48
WIRE 400 48 352 48
WIRE 512 48 464 48
WIRE -1344 64 -1344 -384
WIRE -800 64 -800 -224
WIRE 128 80 128 48
WIRE -624 96 -624 -224
WIRE -496 144 -576 144
WIRE -352 144 -352 96
WIRE -352 144 -416 144
WIRE -112 144 -112 96
WIRE -112 144 -352 144
WIRE 512 144 512 48
WIRE 240 160 240 48
WIRE 352 176 352 48
WIRE -256 208 -256 48
WIRE -176 208 -256 208
WIRE 128 208 128 160
WIRE 128 208 -112 208
WIRE 176 208 128 208
WIRE -1344 336 -1344 144
WIRE -800 336 -800 144
WIRE -624 336 -624 176
WIRE -624 336 -800 336
WIRE 32 336 32 -48
WIRE 32 336 -624 336
WIRE 240 336 240 256
WIRE 240 336 32 336
WIRE 352 336 352 240
WIRE 352 336 240 336
WIRE 512 336 512 224
WIRE 512 336 352 336
WIRE 32 416 32 336
FLAG 32 416 0
FLAG -1344 336 0
FLAG 16 -160 Schwingkreis
FLAG 512 48 RLast
SYMBOL npn -416 0 R0
SYMATTR InstName Q1
SYMATTR Value BF240
SYMBOL npn -176 0 R0
SYMATTR InstName Q2
SYMATTR Value BF240
SYMBOL ind -432 -144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 6.5µ
SYMBOL res -400 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL Potentiometer -640 80 R0
WINDOW 3 51 136 Left 2
SYMATTR Value Rtot=47K wiper=0.5
SYMATTR InstName U1
SYMBOL cap -112 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL npn 176 160 R0
SYMATTR InstName Q3
SYMATTR Value BC548C
SYMBOL res 112 64 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res 112 -160 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL voltage -800 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9V
SYMBOL ind -256 -144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 26µ
SYMBOL cap 336 176 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL cap 464 32 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1µ
SYMBOL res 496 128 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL cap -128 -128 R0
SYMATTR InstName C4
SYMATTR Value 47p
SYMBOL cap 16 -240 R0
SYMATTR InstName C5
SYMATTR Value 1p
SYMBOL SpecialFunctions\\modulate -1200 -448 R0
WINDOW 3 0 0 Invisible 2
SYMATTR InstName A1
SYMATTR Value mark=3.9445Meg space=3.9525Meg
SYMBOL voltage -1344 48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 10k 0 0 0 10k)
SYMBOL cap 16 -128 R0
SYMATTR InstName C6
SYMATTR Value 3p
TEXT -1256 -224 Left 2 ;80m Audion\nAbstimmbereich von 3,45-3,83 MHz\nQuelle: www.mydarc.de nach B.Kainka\nQ1, Q2 ursprünglich BF450\nTrimmer ursprünglich 3-15pF\nL1, L2 gesamt 33uH
TEXT -616 -368 Left 2 !.tran 100ms
TEXT -40 -288 Left 2 ;Zur Antenne
TEXT 248 -152 Left 2 ;.step param wiper 0.0 1.0 0.5
TEXT 216 -328 Left 2 ;Parallelschwingkreis:\nC=50pF,L=33uH ---> f=3,918 MHz\nC=50pF,L=32,5uH ---> f=3,948 MHz