Version 4
SHEET 1 880 680
WIRE 288 -192 -320 -192
WIRE 288 -80 288 -192
WIRE 368 -80 352 -80
WIRE 448 -80 432 -80
WIRE 352 0 352 -80
WIRE 352 0 288 0
WIRE 368 0 352 0
WIRE 448 0 448 -80
WIRE 448 32 448 0
WIRE 64 48 -48 48
WIRE 224 48 144 48
WIRE -48 160 -48 48
FLAG -48 240 0
FLAG -320 -112 0
FLAG 288 96 0
FLAG 448 96 0
SYMBOL voltage -48 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 3.3 0 0 0 0.01 0.02)
SYMBOL voltage -320 -208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 5V
SYMBOL npn 224 0 R0
SYMATTR InstName Q1
SYMBOL res 272 -96 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL res 464 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res 160 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 4.7K
SYMBOL cap 432 32 R0
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL diode 368 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
TEXT -280 328 Left 2 !.tran 0.2
