Version 4
SHEET 1 880 680
WIRE 16 208 16 96
WIRE 16 400 16 288
WIRE 128 96 16 96
WIRE 128 144 128 96
WIRE 128 256 128 224
WIRE 128 288 128 256
WIRE 128 400 128 352
WIRE 240 256 128 256
WIRE 320 256 240 256
WIRE 384 96 128 96
WIRE 384 192 384 176
WIRE 384 208 384 192
WIRE 384 400 384 304
WIRE 448 192 384 192
WIRE 448 224 448 192
WIRE 528 224 448 224
WIRE 592 96 384 96
WIRE 592 176 592 96
WIRE 592 288 592 272
WIRE 592 304 592 288
WIRE 592 400 592 384
FLAG 128 400 0
FLAG 16 400 0
FLAG 384 400 0
FLAG 240 256 base
FLAG 592 400 0
FLAG 592 288 out
SYMBOL res 112 128 R0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap 112 288 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL voltage 16 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL npn 320 208 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 368 80 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 576 288 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL pnp 528 272 M180
SYMATTR InstName Q2
SYMATTR Value 2N2907
TEXT 24 40 Left 0 !.tran 2 uic