Version 4
SHEET 1 2344 2032
WIRE 256 1232 240 1232
WIRE 736 1232 256 1232
WIRE 912 1232 816 1232
WIRE 1184 1232 912 1232
WIRE 1520 1232 1408 1232
WIRE 240 1264 240 1232
WIRE 912 1280 912 1232
WIRE 1184 1408 1184 1232
WIRE 1408 1280 1408 1232
WIRE 1520 1280 1520 1232
WIRE 1520 1376 1520 1360
WIRE 240 1392 240 1344
WIRE 912 1392 912 1360
WIRE 1136 1472 1040 1472
WIRE 1408 1472 1408 1360
WIRE 1408 1472 1232 1472
WIRE 1472 1472 1408 1472
WIRE 1408 1488 1408 1472
WIRE 1408 1600 1408 1552
WIRE 0 0 0 0
FLAG 1520 1376 0
FLAG 240 1392 0
FLAG 256 1232 Vuc
FLAG 1472 1472 Vout
FLAG 1408 1600 0
FLAG 1040 1472 0
FLAG 912 1392 0
SYMBOL voltage 1520 1264 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL voltage 240 1248 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 0 100n 100n 1m 2m 10)
SYMBOL cap 1392 1488 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 1392 1264 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL npn 1232 1408 R90
SYMATTR InstName Q1
SYMBOL res 832 1216 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4.7k
SYMBOL res 928 1376 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 2.2k
TEXT 760 1696 Left 2 !.tran 10m
TEXT 1304 1328 Left 2 ;Pullup