Version 4
SHEET 1 1228 1188
WIRE 368 -112 96 -112
WIRE 1040 -112 368 -112
WIRE -448 -16 -1472 -16
WIRE 496 -16 -448 -16
WIRE -448 32 -448 -16
WIRE 496 32 496 -16
WIRE 96 48 96 -112
WIRE 1040 48 1040 -112
WIRE 32 96 0 96
WIRE 976 96 944 96
WIRE 208 112 160 112
WIRE 1152 112 1104 112
WIRE -448 128 -448 112
WIRE 32 128 -448 128
WIRE 496 128 496 112
WIRE 976 128 496 128
WIRE -448 144 -448 128
WIRE 496 144 496 128
WIRE -144 160 -208 160
WIRE 32 160 -144 160
WIRE 800 160 736 160
WIRE 976 160 800 160
WIRE -144 192 -144 160
WIRE -112 192 -144 192
WIRE 0 192 0 96
WIRE 0 192 -32 192
WIRE 32 192 0 192
WIRE 800 192 800 160
WIRE 832 192 800 192
WIRE 944 192 944 96
WIRE 944 192 912 192
WIRE 976 192 944 192
WIRE -1472 208 -1472 -16
WIRE -1472 208 -1632 208
WIRE -848 208 -1472 208
WIRE -608 208 -848 208
WIRE 0 208 0 192
WIRE 944 208 944 192
WIRE -448 240 -448 224
WIRE 496 240 496 224
WIRE -208 256 -208 240
WIRE 736 256 736 240
WIRE 64 272 64 240
WIRE 128 272 128 240
WIRE 1008 272 1008 240
WIRE 1072 272 1072 240
WIRE -1008 288 -1200 288
WIRE 0 288 0 272
WIRE 944 288 944 272
WIRE -608 304 -608 208
WIRE -848 352 -848 208
WIRE -1008 368 -1008 288
WIRE -256 368 -352 368
WIRE 336 368 -256 368
WIRE 368 368 368 -112
WIRE 368 368 336 368
WIRE 464 368 368 368
WIRE 640 368 464 368
WIRE 992 368 640 368
WIRE 992 384 992 368
WIRE -608 400 -608 384
WIRE -496 400 -608 400
WIRE -176 400 -496 400
WIRE 640 400 640 368
WIRE -608 416 -608 400
WIRE -848 464 -848 432
WIRE -672 464 -848 464
WIRE -176 480 -176 400
WIRE -160 480 -176 480
WIRE -64 480 -96 480
WIRE 144 480 48 480
WIRE 464 480 464 368
WIRE 464 480 368 480
WIRE -672 496 -672 464
WIRE -656 496 -672 496
WIRE 992 496 992 464
WIRE 1088 496 992 496
WIRE 1136 496 1088 496
WIRE -1472 512 -1472 208
WIRE -1200 512 -1200 288
WIRE -848 512 -848 464
WIRE 992 528 992 496
WIRE -64 544 -64 480
WIRE -32 544 -64 544
WIRE 144 544 -32 544
WIRE 416 544 368 544
WIRE 640 544 640 480
WIRE 640 544 416 544
WIRE -1008 560 -1008 448
WIRE -912 560 -1008 560
WIRE -32 560 -32 544
WIRE 640 576 640 544
WIRE -912 592 -912 560
WIRE -896 592 -912 592
WIRE -1008 608 -1008 560
WIRE 144 608 96 608
WIRE 416 608 416 544
WIRE 416 608 368 608
WIRE 944 608 880 608
WIRE -256 672 -256 368
WIRE -32 672 -32 640
WIRE -32 672 -256 672
WIRE 144 672 -32 672
WIRE 496 672 368 672
WIRE -1472 688 -1472 592
WIRE -1200 688 -1200 592
WIRE -848 688 -848 608
WIRE -608 688 -608 512
WIRE 496 720 496 672
WIRE 48 784 48 480
WIRE 640 784 640 640
WIRE 96 848 96 608
WIRE 496 848 496 784
WIRE 496 848 96 848
WIRE 752 848 496 848
WIRE 880 848 880 608
WIRE 880 848 752 848
WIRE -1632 944 -1632 208
WIRE -784 944 -1632 944
WIRE -656 944 -784 944
WIRE -352 944 -352 368
WIRE -352 944 -400 944
WIRE -320 944 -352 944
WIRE 880 960 880 928
WIRE 992 960 992 624
WIRE -784 1008 -784 944
WIRE -320 1008 -320 944
WIRE -784 1120 -784 1072
WIRE -528 1120 -528 1040
WIRE -528 1120 -784 1120
WIRE -320 1120 -320 1072
WIRE -320 1120 -528 1120
WIRE -528 1168 -528 1120
FLAG 48 784 0
FLAG 640 784 0
FLAG 880 960 0
FLAG 992 960 0
FLAG -1200 688 0
FLAG -848 688 0
FLAG -608 688 0
FLAG -1472 688 0
FLAG -496 400 trig_out
FLAG 1088 496 v_timer
FLAG -1008 688 0
FLAG 128 272 0
FLAG 64 272 0
FLAG -448 240 0
FLAG -208 256 0
FLAG 0 288 0
FLAG 1072 272 0
FLAG 1008 272 0
FLAG 496 240 0
FLAG 1152 112 OUT
FLAG 736 256 0
FLAG 944 288 0
FLAG 336 368 5v
FLAG 208 112 OUT1
FLAG 752 848 timer_out
FLAG -528 1168 0
SYMBOL Misc\\NE555 256 576 R0
SYMATTR InstName U1
SYMBOL cap 624 576 R0
SYMATTR InstName C1
SYMATTR Value 200µ
SYMBOL res 624 384 R0
SYMATTR InstName R1
SYMATTR Value 20k
SYMATTR SpiceLine tol=1 pwr=0.1
SYMBOL res 864 832 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL cap 480 720 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res 976 368 R0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL voltage -1200 496 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -111 249 Left 2
SYMATTR Value PULSE(2 12 1 1 2 2 6 2)
SYMATTR InstName V3
SYMBOL res -864 336 R0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL res -624 288 R0
SYMATTR InstName R8
SYMATTR Value 1Meg
SYMBOL voltage -1472 496 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=10m
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL nmos 944 528 R0
SYMATTR InstName M1
SYMATTR Value 2N7002
SYMBOL res -1024 592 R0
SYMATTR InstName R5
SYMATTR Value 21k
SYMBOL res -1024 352 R0
SYMATTR InstName R6
SYMATTR Value 21k
SYMBOL Comparators\\LTC1440 96 48 R0
SYMATTR InstName U2
SYMBOL res -464 128 R0
SYMATTR InstName R9
SYMATTR Value 162k
SYMBOL res -464 16 R0
SYMATTR InstName R10
SYMATTR Value 800k
SYMBOL res -16 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 18k
SYMBOL res -224 144 R0
SYMATTR InstName R12
SYMATTR Value 2.2Meg
SYMBOL cap -16 208 R0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL Comparators\\LTC1440 1040 48 R0
SYMATTR InstName U3
SYMBOL res 480 128 R0
SYMATTR InstName R13
SYMATTR Value 162k
SYMBOL res 480 16 R0
SYMATTR InstName R14
SYMATTR Value 1Meg
SYMBOL res 928 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R15
SYMATTR Value 18k
SYMBOL res 720 144 R0
SYMATTR InstName R16
SYMATTR Value 2Meg
SYMBOL cap 928 208 R0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL cap -336 1008 R0
SYMATTR InstName C6
SYMATTR Value 1µ
SYMBOL cap -800 1008 R0
SYMATTR InstName C7
SYMATTR Value 1µ
SYMBOL PowerProducts\\LT1086-5 -528 944 R0
SYMATTR InstName U4
SYMBOL nmos -896 512 R0
SYMATTR InstName M2
SYMATTR Value 2N7002
SYMBOL nmos -656 416 R0
SYMATTR InstName M3
SYMATTR Value 2N7002
SYMBOL cap -96 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL res -48 544 R0
SYMATTR InstName R7
SYMATTR Value 40k
TEXT -1424 336 Left 2 !.tran 20 startup
TEXT 32 -144 Bottom 2 ;µPower 2.9V Vcc Threshold Detector
TEXT 608 -48 Bottom 2 ;µPower 2.9V Vcc Threshold Detector