Version 4
SHEET 1 904 680
WIRE 96 144 96 320
WIRE 208 352 96 352
WIRE 96 352 96 432
WIRE -144 432 -144 320
WIRE 208 176 272 176
WIRE 336 32 272 32
WIRE 96 32 96 64
WIRE 272 304 272 176
WIRE 272 176 336 176
WIRE 272 400 272 432
WIRE 272 512 272 544
WIRE 272 544 96 544
WIRE -144 544 -144 512
WIRE 96 512 96 544
WIRE 96 544 -144 544
WIRE 272 -112 -272 -112
WIRE -272 -112 -272 432
WIRE -272 512 -272 544
WIRE -272 544 -144 544
WIRE -144 320 -112 320
WIRE -48 320 -16 320
WIRE 64 320 96 320
WIRE 96 320 96 352
WIRE 336 176 336 128
WIRE 336 64 336 32
WIRE 208 64 208 32
WIRE 208 32 96 32
WIRE 208 144 208 176
WIRE -272 576 -272 544
WIRE 608 400 672 400
WIRE 736 256 672 256
WIRE 736 400 736 352
WIRE 736 288 736 256
WIRE 608 288 608 256
WIRE 608 368 608 400
WIRE 272 -112 272 -80
WIRE 272 0 272 32
WIRE 272 32 208 32
WIRE 672 432 672 400
WIRE 672 400 736 400
WIRE 672 96 672 0
WIRE 672 -80 672 -112
WIRE 672 -112 496 -112
WIRE 672 192 672 256
WIRE 672 256 608 256
WIRE 272 544 672 544
WIRE 672 544 672 512
WIRE 496 0 496 144
WIRE 608 144 496 144
WIRE 496 144 496 176
WIRE 464 176 496 176
WIRE 496 176 496 288
WIRE 400 176 336 176
WIRE 496 368 496 400
WIRE 496 400 608 400
WIRE 496 -80 496 -112
WIRE 496 -112 336 -112
WIRE 336 -16 336 32
WIRE 336 -80 336 -112
WIRE 336 -112 272 -112
WIRE 736 432 736 400
WIRE 736 496 736 544
WIRE 736 544 672 544
WIRE 768 256 736 256
FLAG -272 576 0
FLAG 768 256 VOUT
IOPIN 768 256 Out
SYMBOL npn 208 304 R0
WINDOW 3 56 56 Left 0
SYMATTR Value 2N3904
SYMATTR InstName Q1
SYMBOL res 80 48 R0
WINDOW 0 -58 40 Left 0
WINDOW 3 -57 63 Left 0
SYMATTR InstName R1
SYMATTR Value 2K4
SYMBOL res 80 416 R0
WINDOW 0 -57 36 Left 0
WINDOW 3 -56 61 Left 0
SYMATTR InstName R2
SYMATTR Value 2K4
SYMBOL cap -48 304 R90
WINDOW 0 -33 45 VBottom 0
WINDOW 3 -35 35 VTop 0
SYMATTR InstName C1
SYMATTR Value 47p
SYMBOL res 256 416 R0
WINDOW 0 -57 40 Left 0
WINDOW 3 -56 64 Left 0
SYMATTR InstName R3
SYMATTR Value 240R
SYMBOL voltage -144 416 R0
WINDOW 0 -74 56 Left 0
WINDOW 3 24 104 Invisible 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 10n 10n 125n 250n)
SYMBOL ind 224 48 M0
WINDOW 0 77 41 Left 0
WINDOW 3 50 63 Left 0
SYMATTR InstName L1
SYMATTR Value 500n
SYMBOL cap 320 64 R0
WINDOW 0 -55 23 Left 0
WINDOW 3 -58 47 Left 0
SYMATTR InstName C2
SYMATTR Value 120p
SYMBOL res 256 -96 R0
WINDOW 0 -63 47 Left 0
WINDOW 3 -65 71 Left 0
SYMATTR InstName R4
SYMATTR Value 270R
SYMBOL voltage -272 416 R0
WINDOW 0 -72 37 Left 0
WINDOW 3 -72 61 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 9V
SYMBOL res 80 304 R90
WINDOW 0 -31 73 VBottom 0
WINDOW 3 -35 74 VTop 0
SYMATTR InstName R5
SYMATTR Value 4K7
SYMBOL pnp 608 192 M180
WINDOW 0 70 57 Left 0
WINDOW 3 72 32 Left 0
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL res 656 -96 R0
WINDOW 0 -64 49 Left 0
WINDOW 3 -64 74 Left 0
SYMATTR InstName R6
SYMATTR Value 240R
SYMBOL ind 624 272 M0
WINDOW 0 75 41 Left 0
WINDOW 3 45 65 Left 0
SYMATTR InstName L2
SYMATTR Value 500n
SYMBOL cap 720 288 R0
WINDOW 0 -58 26 Left 0
WINDOW 3 -60 49 Left 0
SYMATTR InstName C3
SYMATTR Value 120p
SYMBOL res 656 416 R0
WINDOW 0 -66 37 Left 0
WINDOW 3 -66 64 Left 0
SYMATTR InstName R7
SYMATTR Value 270R
SYMBOL res 480 272 R0
WINDOW 0 -43 40 Left 0
WINDOW 3 -43 66 Left 0
SYMATTR InstName R8
SYMATTR Value 2K4
SYMBOL cap 464 160 R90
WINDOW 0 -24 44 VBottom 0
WINDOW 3 -30 29 VTop 0
SYMATTR InstName C4
SYMATTR Value 47p
SYMBOL res 480 -96 R0
WINDOW 0 -45 45 Left 0
WINDOW 3 -45 68 Left 0
SYMATTR InstName R9
SYMATTR Value 2K4
SYMBOL cap 320 -80 R0
WINDOW 0 39 29 Left 0
WINDOW 3 41 54 Left 0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL cap 720 432 R0
WINDOW 0 41 23 Left 0
WINDOW 3 41 47 Left 0
SYMATTR InstName C6
SYMATTR Value 1n
TEXT -279 620 Left 0 ;;op
TEXT -280 648 Left 0 !.tran 0 6u 5u