Version 4
SHEET 1 2260 680
WIRE 1456 -224 704 -224
WIRE 1680 -224 1456 -224
WIRE 1904 -224 1680 -224
WIRE 2144 -224 1904 -224
WIRE 1680 -128 1680 -224
WIRE 2144 -128 2144 -224
WIRE 1456 -112 1456 -224
WIRE 1904 -112 1904 -224
WIRE 704 16 704 -224
WIRE 1456 64 1456 -32
WIRE 1456 64 1344 64
WIRE 1536 64 1456 64
WIRE 1712 64 1616 64
WIRE 2000 64 1920 64
WIRE 2144 64 2144 -48
WIRE 2144 64 2080 64
WIRE 2256 64 2144 64
WIRE 1456 128 1456 64
WIRE 2144 128 2144 64
WIRE 1584 176 1520 176
WIRE 1712 176 1920 64
WIRE 1712 176 1584 176
WIRE 1920 176 1712 64
WIRE 2016 176 1920 176
WIRE 2080 176 2016 176
WIRE 1264 208 1120 208
WIRE 1120 240 1120 208
WIRE 1584 256 1584 176
WIRE 2016 256 2016 176
WIRE 704 384 704 96
WIRE 1120 384 1120 320
WIRE 1120 384 704 384
WIRE 1456 384 1456 224
WIRE 1456 384 1120 384
WIRE 2144 384 2144 224
WIRE 2144 384 1456 384
WIRE 704 416 704 384
WIRE 1344 464 1344 64
WIRE 1424 464 1344 464
WIRE 1584 464 1584 320
WIRE 1584 464 1488 464
WIRE 1680 464 1680 -48
WIRE 1680 464 1584 464
WIRE 1760 464 1680 464
WIRE 1904 464 1904 -32
WIRE 1904 464 1824 464
WIRE 2016 464 2016 320
WIRE 2016 464 1904 464
WIRE 2112 464 2016 464
WIRE 2256 464 2256 64
WIRE 2256 464 2176 464
WIRE 1680 512 1680 464
WIRE 1904 512 1904 464
WIRE 1264 624 1264 208
WIRE 1680 624 1680 576
WIRE 1680 624 1264 624
WIRE 1904 624 1904 576
WIRE 1904 624 1680 624
FLAG 704 416 0
SYMBOL voltage 704 0 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL voltage 1120 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -188 217 Left 2
SYMATTR Value PULSE(0 5 0 1n 1n 25u 50u)
SYMATTR InstName V2
SYMBOL npn 2080 128 R0
SYMATTR InstName Q4
SYMATTR Value 2N2222
SYMBOL npn 1520 128 M0
SYMATTR InstName Q5
SYMATTR Value 2N2222
SYMBOL res 1440 -128 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 2128 -144 R0
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL res 1632 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 220k
SYMBOL res 2096 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 220k
SYMBOL cap 1824 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1nF
SYMBOL res 1664 -144 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 1888 -128 R0
SYMATTR InstName R13
SYMATTR Value 10k
SYMBOL diode 1488 448 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL diode 2112 480 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL diode 1664 512 R0
SYMATTR InstName D3
SYMATTR Value 1N914
SYMBOL diode 1888 512 R0
SYMATTR InstName D4
SYMATTR Value 1N914
SYMBOL diode 1568 256 R0
SYMATTR InstName D5
SYMATTR Value 1N914
SYMBOL diode 2000 256 R0
SYMATTR InstName D6
SYMATTR Value 1N914
TEXT 656 464 Left 2 !.tran 0 2m 1m startup