Version 4
SHEET 1 956 680
WIRE -64 0 -80 0
WIRE 48 0 16 0
WIRE 144 0 128 0
WIRE 240 0 144 0
WIRE 272 0 240 0
WIRE 528 0 352 0
WIRE 144 16 144 0
WIRE 240 64 240 0
WIRE 352 64 240 64
WIRE 432 64 416 64
WIRE 240 80 240 64
WIRE 528 112 528 0
WIRE -80 128 -80 0
WIRE -16 128 -80 128
WIRE 64 128 48 128
WIRE 144 128 144 96
WIRE 144 128 64 128
WIRE 176 128 144 128
WIRE 352 128 352 64
WIRE 416 128 416 64
WIRE -80 160 -80 128
WIRE 64 160 64 128
WIRE 144 160 144 128
WIRE -80 272 -80 224
WIRE 64 272 64 224
WIRE 144 272 144 240
WIRE 240 272 240 176
WIRE 352 272 352 192
WIRE 416 272 416 208
WIRE 528 272 528 192
FLAG 240 272 0
FLAG 352 272 0
FLAG 64 272 0
FLAG 528 272 0
FLAG 432 64 Output
FLAG 144 272 0
FLAG 416 272 0
FLAG -80 272 0
SYMBOL cap 48 160 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL cap 368 192 R180
WINDOW 0 24 64 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL npn 176 80 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 128 0 R0
SYMATTR InstName R2
SYMATTR Value 56k
SYMBOL ind -80 16 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 68n
SYMBOL voltage 528 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 144 -16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 1
SYMBOL res 368 -16 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 128 144 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 400 112 R0
SYMATTR InstName R3
SYMATTR Value 51
SYMBOL cap 416 48 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C5
SYMATTR Value 5p
SYMBOL cap 48 112 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 2.5p
SYMBOL cap -96 160 R0
SYMATTR InstName C3
SYMATTR Value 10p
TEXT -88 352 Left 0 !.tran 0 100u 0 100p
TEXT -88 320 Left 0 !.options plotwinsize=0