Version 4 SHEET 1 2720 1336 WIRE 1728 576 1680 576 WIRE 1856 576 1824 576 WIRE 2000 576 1968 576 WIRE 2096 576 2064 576 WIRE 1856 640 1856 576 WIRE 1856 640 1776 640 WIRE 1968 672 1968 576 WIRE 2000 672 1968 672 WIRE 2096 672 2064 672 WIRE 1536 768 1488 768 WIRE 1744 768 1616 768 WIRE 1856 768 1856 640 WIRE 1856 768 1824 768 WIRE 1968 768 1968 672 WIRE 1968 768 1856 768 WIRE 2000 768 1968 768 WIRE 2096 768 2064 768 WIRE 1968 864 1968 768 WIRE 2000 864 1968 864 WIRE 2096 864 2064 864 WIRE 1744 880 1728 880 WIRE 1856 880 1856 768 WIRE 1856 880 1824 880 FLAG 1488 768 0 FLAG 2096 768 0 FLAG 2096 672 0 FLAG 2096 864 0 FLAG 1680 576 0 FLAG 1728 880 0 FLAG 2096 576 0 SYMBOL VOLTAGE 1632 768 R90 WINDOW 0 -32 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName V1 SYMATTR Value PULSE(0 1 0 1u 1u .5m 1m) SYMATTR SpiceLine RSER=.01 SYMBOL res 1728 752 M90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 1K SYMBOL cap 2064 752 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL cap 2064 656 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL cap 2064 848 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value .1µ SYMBOL res 1728 864 M90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL npn 1824 640 M270 WINDOW 0 46 46 VTop 0 WINDOW 3 -6 42 VBottom 0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL cap 2064 560 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C4 SYMATTR Value .1µ TEXT 1840 1008 Left 0 !.tran 3m