Version 4
SHEET 1 1540 680
WIRE 80 0 80 -32
WIRE 672 32 672 -32
WIRE 208 112 208 -32
WIRE 400 160 400 -32
WIRE -288 176 -320 176
WIRE -192 176 -288 176
WIRE -48 176 -112 176
WIRE 80 176 80 80
WIRE 80 176 16 176
WIRE 160 176 80 176
WIRE 592 176 576 176
WIRE 672 176 672 112
WIRE 832 176 672 176
WIRE -320 208 -320 176
WIRE 336 208 208 208
WIRE 672 224 672 176
WIRE 80 256 80 176
WIRE 208 256 208 208
WIRE 400 272 400 256
WIRE 480 272 400 272
WIRE 576 272 576 176
WIRE 576 272 544 272
WIRE 608 272 576 272
WIRE 400 288 400 272
WIRE -320 336 -320 288
WIRE 80 384 80 336
WIRE 208 384 208 336
WIRE 400 384 400 368
WIRE 672 384 672 320
FLAG 880 48 0
FLAG 208 384 0
FLAG 880 -32 5V
FLAG 208 -32 5V
FLAG -320 336 0
FLAG 400 -32 5V
FLAG 400 384 0
FLAG 672 -32 5V
FLAG 672 384 0
FLAG -288 176 fin
FLAG 832 176 fout
FLAG 80 384 0
FLAG 80 -32 5V
SYMBOL voltage -320 192 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value SINE(0 100m 12000k)
SYMBOL njf 160 112 R0
SYMATTR InstName J1
SYMATTR Value BF245A
SYMBOL res 192 240 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL cap 16 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 22p
SYMBOL voltage 880 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL npn 336 160 R0
WINDOW 0 73 -3 Left 2
WINDOW 3 32 43 Left 2
SYMATTR InstName Q1
SYMATTR Value BF199
SYMBOL res 384 272 R0
SYMATTR InstName R3
SYMATTR Value 330
SYMBOL npn 608 224 R0
SYMATTR InstName Q2
SYMATTR Value BF199
SYMBOL cap 544 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL res 688 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 47k
SYMBOL res 656 16 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res -96 160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1
SYMBOL res 64 240 R0
SYMATTR InstName R7
SYMATTR Value 2.2Meg
SYMBOL res 64 -16 R0
SYMATTR InstName R8
SYMATTR Value 2.2Meg
TEXT -328 -16 Left 2 !.tran 0 10u 0 5n
TEXT -328 16 Left 2 !;ac dec 100 1000k 100000k