Version 4
SHEET 1 2312 1780
WIRE 592 -2304 592 -2352
WIRE 928 -2288 928 -2352
WIRE 1504 -2288 928 -2288
WIRE 928 -2256 928 -2288
WIRE 1504 -2256 1504 -2288
WIRE 592 -2144 592 -2224
WIRE 928 -2144 928 -2176
WIRE 928 -2144 864 -2144
WIRE 1008 -2144 928 -2144
WIRE 1168 -2144 1088 -2144
WIRE 1344 -2144 1264 -2144
WIRE 1504 -2144 1504 -2176
WIRE 1504 -2144 1424 -2144
WIRE 1568 -2144 1504 -2144
WIRE 1616 -2144 1568 -2144
WIRE 864 -2096 864 -2144
WIRE 928 -2096 928 -2144
WIRE 1504 -2096 1504 -2144
WIRE 1568 -2096 1568 -2144
WIRE 640 -2064 592 -2064
WIRE 1040 -2048 992 -2048
WIRE 1120 -2048 1040 -2048
WIRE 1168 -2048 1264 -2144
WIRE 1168 -2048 1120 -2048
WIRE 1264 -2048 1168 -2144
WIRE 1312 -2048 1264 -2048
WIRE 1392 -2048 1312 -2048
WIRE 1440 -2048 1392 -2048
WIRE 1040 -2016 1040 -2048
WIRE 1120 -2016 1120 -2048
WIRE 1312 -2016 1312 -2048
WIRE 1392 -2016 1392 -2048
WIRE 592 -1984 592 -2064
WIRE 928 -1904 928 -2000
WIRE 1040 -1904 1040 -1936
WIRE 1392 -1904 1392 -1936
WIRE 1504 -1904 1504 -2000
WIRE 864 -1856 864 -2016
WIRE 1120 -1856 1120 -1952
WIRE 1120 -1856 864 -1856
WIRE 1136 -1856 1120 -1856
WIRE 1216 -1856 1200 -1856
WIRE 1232 -1856 1216 -1856
WIRE 1312 -1856 1312 -1952
WIRE 1312 -1856 1296 -1856
WIRE 1568 -1856 1568 -2016
WIRE 1568 -1856 1312 -1856
WIRE 592 -1824 592 -1904
WIRE 1216 -1776 1216 -1856
WIRE 1216 -1776 1152 -1776
FLAG 592 -2144 0
FLAG 592 -1824 0
FLAG 928 -1904 0
FLAG 1504 -1904 0
FLAG 1616 -2144 squareWave
IOPIN 1616 -2144 Out
FLAG 592 -2352 Vbat
IOPIN 592 -2352 Out
FLAG 928 -2352 Vbat
IOPIN 928 -2352 In
FLAG 640 -2064 pulse1_P
IOPIN 640 -2064 Out
FLAG 1152 -1776 pulse1_P
IOPIN 1152 -1776 In
FLAG 1392 -1904 0
FLAG 1040 -1904 0
SYMBOL voltage 592 -2320 R0
WINDOW 3 49 46 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 53 18 Left 2
SYMATTR Value 5
SYMATTR InstName V1
SYMBOL voltage 592 -2000 R0
WINDOW 3 49 46 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 0 53 18 Left 2
SYMATTR Value PULSE(0 5 10m 5n 5n 1m 10m)
SYMATTR InstName V2
SYMBOL npn 1440 -2096 R0
SYMATTR InstName Q5
SYMATTR Value BC547C
SYMBOL npn 992 -2096 M0
SYMATTR InstName Q6
SYMATTR Value BC547C
SYMBOL res 912 -2272 R0
SYMATTR InstName R9
SYMATTR Value 3.9k
SYMBOL res 1488 -2272 R0
SYMATTR InstName R11
SYMATTR Value 3.9k
SYMBOL res 1440 -2160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 47k
SYMBOL res 1104 -2160 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 47k
SYMBOL res 1376 -2032 R0
SYMATTR InstName R15
SYMATTR Value 100k
SYMBOL res 1024 -2032 R0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap 1200 -1872 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMATTR Value2 IC=0
SYMBOL cap 1296 -1872 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1n
SYMATTR Value2 IC=1u
SYMBOL res 880 -2112 M0
SYMATTR InstName R2
SYMATTR Value 220k
SYMBOL res 1552 -2112 R0
SYMATTR InstName R3
SYMATTR Value 220k
SYMBOL diode 1104 -2016 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode 1296 -2016 R0
SYMATTR InstName D2
SYMATTR Value 1N4148
TEXT 1008 -2344 Left 2 !.tran 60m
TEXT 1008 -2376 Left 2 ;Original from here: http://www.electronics-tutorials.ws/waveforms/tim17.gif?81223b