Version 4 SHEET 1 1880 856 WIRE 192 -128 -32 -128 WIRE 384 -128 192 -128 WIRE -32 -112 -32 -128 WIRE 192 -112 192 -128 WIRE 384 -32 384 -128 WIRE -32 -16 -32 -32 WIRE 96 16 80 16 WIRE 192 16 192 -32 WIRE 192 16 176 16 WIRE 240 16 192 16 WIRE 544 16 528 16 WIRE 640 16 624 16 WIRE 576 96 528 96 WIRE 800 96 800 80 WIRE -16 112 -80 112 WIRE 240 112 64 112 WIRE 576 176 576 160 WIRE 576 176 528 176 WIRE 656 176 576 176 WIRE 800 176 800 160 WIRE 800 176 736 176 WIRE 928 176 800 176 WIRE 240 208 96 208 WIRE 800 256 528 256 WIRE 928 256 928 176 WIRE 928 256 800 256 WIRE 928 288 928 256 WIRE 96 304 96 288 WIRE 208 304 96 304 WIRE 240 304 208 304 WIRE 688 304 576 304 WIRE 800 304 800 256 WIRE 800 304 768 304 WIRE 96 320 96 304 WIRE 576 336 576 304 WIRE 576 336 528 336 WIRE 576 368 576 336 WIRE 608 368 576 368 WIRE 704 368 688 368 WIRE 96 400 96 384 WIRE 208 400 208 304 WIRE 240 400 208 400 WIRE 928 416 928 368 WIRE 928 416 528 416 WIRE 928 480 928 416 WIRE 240 496 224 496 WIRE 880 496 528 496 WIRE 384 576 384 560 WIRE 928 592 928 576 WIRE 928 688 928 656 FLAG -32 -16 0 FLAG 96 400 0 FLAG 800 80 0 FLAG 704 368 0 FLAG 928 176 OUT FLAG -32 -128 IN FLAG 80 16 0 FLAG 384 576 0 FLAG -80 112 0 FLAG 640 16 0 FLAG 928 688 0 FLAG 224 496 0 SYMBOL voltage -32 -128 R0 WINDOW 0 28 28 Left 2 SYMATTR InstName V1 SYMATTR Value 35 SYMBOL cap 80 320 R0 SYMATTR InstName C1 SYMATTR Value 2.2µ SYMBOL ind 640 192 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 10µ SYMATTR SpiceLine Rser=4m Rpar=5K SYMBOL cap 560 96 R0 SYMATTR InstName C2 SYMATTR Value 0.22µ SYMBOL res 784 288 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1Meg SYMBOL res 704 352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 43.2K SYMBOL cap 784 96 R0 WINDOW 3 28 52 Left 2 SYMATTR Value 2.2µ SYMATTR SpiceLine Rser=1m SYMATTR Value2 ic=0 SYMATTR InstName C3 SYMBOL voltage 80 112 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V2 SYMATTR Value PULSE(3.3 0 .45m 10n 10n 100u 200u) SYMBOL res 176 -128 R0 SYMATTR InstName R3 SYMATTR Value 100K SYMBOL res 192 0 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 3.92K SYMBOL res 640 0 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 27.4K SYMBOL res 912 272 R0 SYMATTR InstName R6 SYMATTR Value 100m SYMBOL pmos 880 576 M180 WINDOW 0 65 74 Left 2 WINDOW 3 64 33 Left 2 SYMATTR InstName Q1 SYMATTR Value IRF7343P SYMBOL LED 912 592 R0 WINDOW 123 24 85 Left 2 SYMATTR Value2 N=7 SYMATTR InstName D1 SYMATTR Value LXK2-PW14 SYMATTR Description Diode SYMATTR Type diode SYMBOL LT3964 384 272 R0 SYMATTR InstName U1 SYMBOL res 80 192 R0 SYMATTR InstName R7 SYMATTR Value 100K TEXT 648 552 Left 2 !.tran 1m startup TEXT 584 64 Top 1 ;2MHz