Version 4
SHEET 1 1032 680
WIRE 416 -160 272 -160
WIRE 480 -160 416 -160
WIRE 688 -160 480 -160
WIRE 832 -160 688 -160
WIRE 832 -80 832 -160
WIRE 144 -32 32 -32
WIRE 272 16 272 -80
WIRE 480 16 480 -160
WIRE 416 64 416 -80
WIRE 144 80 144 32
WIRE 224 80 144 80
WIRE 144 112 144 80
WIRE 496 112 480 112
WIRE 688 128 688 -80
WIRE 752 128 688 128
WIRE 944 128 816 128
WIRE 688 144 688 128
WIRE 272 176 272 112
WIRE 320 176 272 176
WIRE 416 176 416 64
WIRE 416 176 384 176
WIRE 496 192 496 112
WIRE 624 192 496 192
WIRE 944 208 944 128
WIRE 272 240 272 176
WIRE 416 240 416 176
WIRE 496 256 496 192
FLAG 272 320 0
FLAG 416 320 0
FLAG 496 336 0
FLAG 688 320 0
FLAG 144 192 0
FLAG 832 0 0
FLAG -48 -32 0
FLAG 944 288 0
SYMBOL res 256 224 R0
SYMATTR InstName R2
SYMATTR Value 2200
SYMBOL res 400 224 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 480 240 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 672 224 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 128 96 R0
SYMATTR InstName R6
SYMATTR Value 5meg
SYMBOL res 256 -176 R0
SYMATTR InstName R7
SYMATTR Value 22
SYMBOL res 400 -176 R0
SYMATTR InstName R8
SYMATTR Value 22k
SYMBOL res 672 -176 R0
SYMATTR InstName R9
SYMATTR Value 3k7
SYMBOL njf 224 16 R0
SYMATTR InstName J1
SYMATTR Value BF245C
SYMBOL cap 320 192 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 3n3
SYMBOL npn 416 16 R0
SYMATTR InstName Q1
SYMATTR Value BC547C
SYMBOL npn 624 144 R0
SYMATTR InstName Q2
SYMATTR Value BC547C
SYMBOL cap 128 -32 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL voltage 832 -96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL voltage 48 -32 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 91 67 VBottom 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE()
SYMATTR Value2 AC -121dBm
SYMBOL res 928 192 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL cap 752 144 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 2n2
TEXT -100 360 Left 2 !.ac oct 1001 30k 60Meg