Version 4
SHEET 1 920 680
WIRE -16 -384 -80 -384
WIRE 336 -384 -16 -384
WIRE 336 -368 336 -384
WIRE -16 -288 -16 -384
WIRE 208 -272 176 -272
WIRE 336 -272 336 -288
WIRE 336 -272 288 -272
WIRE 400 -272 336 -272
WIRE 528 -272 464 -272
WIRE 576 -272 528 -272
WIRE 720 -272 640 -272
WIRE 768 -272 720 -272
WIRE 336 -240 336 -272
WIRE -336 -224 -368 -224
WIRE -304 -224 -336 -224
WIRE -144 -224 -224 -224
WIRE -64 -224 -144 -224
WIRE -368 -208 -368 -224
WIRE 48 -192 -16 -192
WIRE 80 -192 48 -192
WIRE 176 -192 176 -272
WIRE 176 -192 144 -192
WIRE 272 -192 176 -192
WIRE 576 -192 576 -272
WIRE 640 -192 640 -272
WIRE 768 -192 768 -272
WIRE -16 -160 -16 -192
WIRE -368 -112 -368 -128
WIRE -16 -48 -16 -80
WIRE 336 -48 336 -64
WIRE 576 -48 576 -112
WIRE 640 -48 640 -112
WIRE 768 -48 768 -112
WIRE -368 -16 -368 -32
FLAG 336 -48 0
FLAG -16 -48 0
FLAG -160 -384 0
FLAG -368 -16 0
FLAG -144 -224 ant
FLAG 48 -192 buf
FLAG 768 -48 0
FLAG 720 -272 mix
FLAG -336 -224 src
FLAG 576 -48 0
FLAG 640 -48 0
FLAG 528 -272 amp
SYMBOL npn 272 -240 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL Misc\\EuropeanResistor 320 -384 R0
SYMATTR InstName R1
SYMATTR Value 220
SYMBOL Misc\\EuropeanResistor 192 -256 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL cap 400 -256 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL njf -64 -288 R0
WINDOW 0 56 44 Left 2
WINDOW 3 56 14 Left 2
SYMATTR InstName J1
SYMATTR Value BF245C
SYMBOL cap 80 -176 R270
WINDOW 0 -59 29 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL Misc\\battery -64 -384 R90
WINDOW 0 -54 8 VTop 2
WINDOW 3 57 20 VBottom 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 6V
SYMBOL voltage -368 -224 M0
WINDOW 123 43 64 Left 2
WINDOW 39 24 124 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V3
SYMATTR Value SINE(0 100m 3700k)
SYMBOL Misc\\EuropeanResistor 320 -160 R0
SYMATTR InstName R4
SYMATTR Value 33
SYMBOL Misc\\EuropeanResistor 752 -208 R0
SYMATTR InstName R5
SYMATTR Value 200
SYMBOL Misc\\EuropeanResistor -320 -208 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL ind 0 -176 M0
SYMATTR InstName L1
SYMATTR Value 33µ
SYMBOL ind2 560 -208 R0
WINDOW 0 -26 40 Left 2
WINDOW 3 -45 73 Left 2
SYMATTR InstName L2
SYMATTR Value 40µ
SYMATTR Type ind
SYMBOL ind2 656 -208 M0
WINDOW 0 -31 38 Left 2
WINDOW 3 -48 78 Left 2
SYMATTR InstName L3
SYMATTR Value 10µ
SYMATTR Type ind
SYMBOL voltage -368 -128 M0
WINDOW 123 43 64 Left 2
WINDOW 39 24 124 Left 2
WINDOW 0 38 33 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 100m 3600k)
TEXT -624 -360 Left 2 !.tran 0 1m 20u 1n
TEXT -624 -328 Left 2 !;ac dec 1k 3.5Meg 3.8Meg
TEXT -624 -296 Left 2 !;noise v(mix) V3 oct 1k 3.5Meg 3.8Meg
TEXT 528 -88 Left 2 !K1 L2 L3 0.97
TEXT -168 -200 Left 2 ;0dB
TEXT 16 -168 Left 2 ;-1dB
TEXT 496 -248 Left 2 ;12dB
TEXT 696 -248 Left 2 ;6dB
TEXT 640 -360 Left 2 ;4.5 nV/sqrt(Hz)\nbez. auf v(ant)