Version 4 SHEET 1 1308 680 WIRE -576 -48 -576 -64 WIRE -144 -32 -144 -48 WIRE -432 -16 -432 -32 WIRE 464 -16 464 -32 WIRE 0 0 0 -16 WIRE 768 16 752 16 WIRE -336 32 -336 0 WIRE -304 32 -336 32 WIRE -208 32 -240 32 WIRE 128 48 112 48 WIRE 144 48 128 48 WIRE 256 48 208 48 WIRE -496 64 -496 48 WIRE 368 64 368 48 WIRE -576 80 -576 32 WIRE -576 80 -592 80 WIRE -528 80 -576 80 WIRE -64 80 -64 64 WIRE 256 80 256 48 WIRE 336 80 256 80 WIRE -432 96 -432 64 WIRE -432 96 -464 96 WIRE -336 96 -336 32 WIRE -336 96 -432 96 WIRE -320 96 -336 96 WIRE -208 96 -208 32 WIRE -208 96 -240 96 WIRE -144 96 -144 48 WIRE -96 96 -144 96 WIRE 464 96 464 64 WIRE 464 96 400 96 WIRE 496 96 464 96 WIRE 560 96 496 96 WIRE -528 112 -672 112 WIRE 0 112 0 80 WIRE 0 112 -32 112 WIRE 32 112 0 112 WIRE 128 112 128 48 WIRE 144 112 128 112 WIRE 256 112 256 80 WIRE 256 112 224 112 WIRE 336 112 320 112 WIRE -576 128 -576 80 WIRE -208 128 -208 96 WIRE -96 128 -208 128 WIRE 256 128 256 112 WIRE -672 144 -672 112 WIRE -336 144 -336 96 WIRE -288 144 -336 144 WIRE -208 144 -208 128 WIRE -144 144 -144 96 WIRE 128 160 128 112 WIRE 176 160 128 160 WIRE 560 160 560 96 WIRE 672 160 560 160 WIRE 256 208 256 192 WIRE -576 224 -576 208 WIRE -208 224 -208 208 WIRE -672 240 -672 224 WIRE -144 240 -144 224 FLAG -704 16 0 FLAG -672 240 0 FLAG -336 0 In IOPIN -336 0 Out FLAG -704 -64 Vdd FLAG 672 -64 0 FLAG 768 16 Output IOPIN 768 16 Out FLAG 768 80 /Q FLAG -64 144 0 FLAG -144 -48 Vdd FLAG -64 64 Vdd FLAG -144 240 0 FLAG -208 224 0 FLAG 0 -16 Vdd FLAG 32 112 Out IOPIN 32 112 Out FLAG 368 128 0 FLAG 368 48 Vdd FLAG 256 208 0 FLAG 464 -32 Vdd FLAG 496 96 Out2 FLAG 576 48 Out FLAG 256 48 1 FLAG -208 32 2 FLAG 112 48 In FLAG 576 16 Vdd FLAG -496 128 0 FLAG -576 -64 Vdd FLAG -496 48 Vdd FLAG -576 224 0 FLAG -432 -32 Vdd FLAG -672 112 INPUT FLAG 320 112 Ref FLAG -592 80 Ref IOPIN -592 80 Out SYMBOL Misc\\battery -704 -80 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5v SYMBOL voltage -672 128 R0 WINDOW 3 -70 139 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(0v 5v 1 .1ms .1ms 7s 20s) SYMATTR InstName V2 SYMBOL Digital\\CD4013B 672 -64 R0 SYMATTR InstName U3 SYMBOL Comparators\\LM339 -64 112 R0 SYMATTR InstName U1 SYMBOL res -160 -48 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res -160 128 R0 SYMATTR InstName R2 SYMATTR Value 20k SYMBOL res -16 -16 R0 SYMATTR InstName R4 SYMATTR Value 5k SYMBOL Comparators\\LM339 368 96 R0 SYMATTR InstName U2 SYMBOL res -592 112 R0 SYMATTR InstName R5 SYMATTR Value 10k SYMBOL res -592 -64 R0 SYMATTR InstName R6 SYMATTR Value 20k SYMBOL res 448 -32 R0 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL diode 144 32 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 -52 30 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL pot 240 96 R90 WINDOW 0 47 26 VRight 2 WINDOW 3 93 59 VRight 2 SYMATTR InstName U6 SYMATTR Value Rtot=100K wiper=.5 SYMBOL polcap 240 128 R0 WINDOW 3 -43 55 Left 2 SYMATTR Value 100µF SYMATTR InstName C1 SYMBOL polcap -224 144 R0 WINDOW 3 -49 59 Left 2 SYMATTR Value 100µF SYMATTR InstName C2 SYMBOL pot -224 80 R90 WINDOW 0 47 26 VRight 2 WINDOW 3 93 59 VRight 2 SYMATTR InstName U7 SYMATTR Value Rtot=100K wiper=.6 SYMBOL diode -240 16 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 33 23 VTop 2 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL Comparators\\LM339 -496 96 R0 SYMATTR InstName U4 SYMBOL res -448 -32 R0 SYMATTR InstName R9 SYMATTR Value 5k TEXT -96 256 Left 2 !.tran 20 TEXT -104 288 Left 2 !.lib cd4000_v.lib