Version 4 SHEET 1 1132 680 WIRE 592 -160 480 -160 WIRE 480 -144 480 -160 WIRE 592 -112 592 -160 WIRE 848 -96 816 -96 WIRE 960 -96 928 -96 WIRE 592 -80 592 -112 WIRE 480 -16 480 -64 WIRE 512 -16 480 -16 WIRE 544 -16 512 -16 WIRE 656 -16 640 -16 WIRE 768 -16 656 -16 WIRE 816 -16 816 -96 WIRE 816 -16 768 -16 WIRE 848 -16 816 -16 WIRE 960 -16 960 -96 WIRE 960 -16 928 -16 WIRE 992 -16 960 -16 WIRE 1072 -16 992 -16 WIRE 480 16 480 -16 WIRE 592 16 592 0 WIRE 592 16 480 16 WIRE 704 16 672 16 WIRE 736 16 704 16 WIRE 816 16 816 -16 WIRE 656 32 656 -16 WIRE 656 32 608 32 WIRE 960 32 960 -16 WIRE 1072 32 1072 -16 WIRE 480 48 480 16 WIRE 608 48 608 32 WIRE 672 48 672 16 WIRE 736 64 736 16 WIRE 752 64 736 64 WIRE 864 64 832 64 WIRE 480 144 480 128 WIRE 608 144 608 112 WIRE 608 144 480 144 WIRE 672 144 672 128 WIRE 672 144 608 144 WIRE 816 144 816 112 WIRE 816 144 672 144 WIRE 864 144 864 64 WIRE 864 144 816 144 WIRE 960 144 960 96 WIRE 960 144 864 144 WIRE 1072 144 1072 112 WIRE 1072 144 960 144 WIRE 480 160 480 144 FLAG 480 160 0 FLAG 992 -16 UL FLAG 768 -16 UD FLAG 512 -16 VDD FLAG 592 -112 UGS FLAG 704 16 USW SYMBOL voltage 480 32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName VDD1 SYMATTR Value 13 SYMBOL ind 944 -80 M270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L2 SYMATTR Value 10µ SYMATTR SpiceLine Rser=0.1 Cpar=2p SYMBOL cap 944 32 R0 SYMATTR InstName C2 SYMATTR Value 1000µ SYMATTR SpiceLine Rser=1m SYMBOL res 1056 16 R0 SYMATTR InstName R4 SYMATTR Value 5 SYMBOL voltage 480 -48 R180 WINDOW 0 -32 56 VBottom 0 WINDOW 3 -48 120 Top 0 WINDOW 123 46 56 VTop 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PULSE(0 6 120n 30n 30n 7u 15u) SYMATTR Value2 AC 1 SYMBOL res 944 -32 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 5k SYMBOL pa 640 -64 R90 SYMATTR InstName U1 SYMATTR SpiceLine2 mm=1000 SYMATTR SpiceLine wu=21.2 lu=0.8 SYMBOL na 768 16 R0 SYMATTR InstName U2 SYMATTR SpiceLine2 mm=2000 SYMATTR SpiceLine wu=14.2 lu=0.8 SYMBOL voltage 672 32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 5 7100n 100n 100n 3.4u 15u) SYMBOL schottky 624 112 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D1 SYMATTR Value MBRS340 TEXT 624 -136 Left 0 !.tran 0 50u 0 TEXT 608 176 Left 0 !.include C:/Programs/LTspiceIV/lib/sub/GFlev8.sub TEXT 760 -136 Left 0 !.ic V(UL)=6.97