Version 4 SHEET 1 4692 2996 WIRE 2496 1760 2496 1744 WIRE 2640 1760 2640 1744 WIRE 2016 1776 2016 1744 WIRE 1456 1840 1456 1744 WIRE 2496 1856 2496 1824 WIRE 2640 1856 2640 1840 WIRE 2640 1856 2496 1856 WIRE 2704 1856 2640 1856 WIRE 2016 1872 2016 1856 WIRE 2016 1872 1696 1872 WIRE 2496 1872 2496 1856 WIRE 2016 1888 2016 1872 WIRE 864 1936 864 1744 WIRE 1456 1952 1456 1920 WIRE 1600 1952 1456 1952 WIRE 1824 1952 1600 1952 WIRE 2384 1952 2208 1952 WIRE 2448 1952 2384 1952 WIRE 2384 1968 2384 1952 WIRE 1696 1984 1696 1872 WIRE 1456 2000 1456 1952 WIRE 1600 2016 1600 1952 WIRE 1744 2096 1728 2096 WIRE 1824 2096 1808 2096 WIRE 2496 2096 2496 1968 WIRE 2496 2096 2208 2096 WIRE 2384 2112 2384 2048 WIRE 2496 2112 2496 2096 WIRE 864 2208 864 2016 WIRE 1456 2208 1456 2080 WIRE 1456 2208 864 2208 WIRE 1600 2208 1600 2080 WIRE 1600 2208 1456 2208 WIRE 1696 2208 1696 2048 WIRE 1696 2208 1600 2208 WIRE 1728 2208 1728 2096 WIRE 1728 2208 1696 2208 WIRE 2016 2208 2016 2160 WIRE 2016 2208 1728 2208 WIRE 2384 2208 2384 2176 WIRE 2384 2208 2016 2208 WIRE 2496 2208 2496 2192 WIRE 2496 2208 2384 2208 FLAG 864 2208 IN FLAG 2704 1856 OUT FLAG 864 1744 0 FLAG 1456 1744 0 FLAG 2016 1744 0 FLAG 2496 1744 0 FLAG 2640 1744 0 SYMBOL nmos 2448 1872 R0 WINDOW 0 101 14 Right 2 WINDOW 3 140 76 Right 2 SYMATTR InstName M1 SYMATTR Value IRF530 SYMBOL res 2512 2096 M0 WINDOW 0 -38 37 Left 2 WINDOW 3 -56 78 Left 2 SYMATTR InstName R6 SYMATTR Value 20m SYMBOL res 1440 1824 R0 SYMATTR InstName R4 SYMATTR Value 402K SYMBOL cap 1584 2016 R0 SYMATTR InstName C1 SYMATTR Value 10n SYMBOL res 1440 1984 R0 SYMATTR InstName R7 SYMATTR Value 32.4K SYMBOL voltage 864 2032 M180 WINDOW 3 24 16 Left 2 WINDOW 39 24 -5 Left 2 WINDOW 0 24 96 Left 2 WINDOW 123 24 -26 Left 2 SYMATTR Value PWL(0 0 1m 0 1.001m -48 220m -48 221m -70) SYMATTR InstName V1 SYMBOL cap 2368 2112 R0 SYMATTR InstName C3 SYMATTR Value 18n SYMBOL res 2368 1952 R0 SYMATTR InstName R2 SYMATTR Value 10 SYMBOL res 2624 1744 R0 SYMATTR InstName Rload SYMATTR Value 50 SYMBOL cap 2480 1760 R0 SYMATTR InstName C5 SYMATTR Value 100µ SYMBOL cap 1808 2080 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 150n SYMBOL cap 1680 1984 R0 SYMATTR InstName C4 SYMATTR Value 1µ SYMBOL res 2000 1760 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL LTC4251-2 2016 2016 R0 SYMATTR InstName U1 TEXT 2632 2200 Left 2 !.tran 400m