Version 4 SHEET 1 880 680 WIRE -96 0 -256 0 WIRE 80 0 -96 0 WIRE 240 0 80 0 WIRE 352 0 240 0 WIRE -256 16 -256 0 WIRE -96 16 -96 0 WIRE 80 48 80 0 WIRE 240 48 240 0 WIRE -256 112 -256 96 WIRE -96 112 -96 96 WIRE -16 112 -96 112 WIRE 352 112 352 0 WIRE 352 112 336 112 WIRE -224 176 -272 176 WIRE -16 176 -144 176 WIRE 384 176 336 176 WIRE 400 176 384 176 WIRE 480 176 464 176 WIRE 384 240 384 176 WIRE 384 240 336 240 WIRE 384 304 336 304 WIRE -224 368 -272 368 WIRE -16 368 -144 368 WIRE 384 368 336 368 WIRE 384 432 384 368 WIRE 384 432 336 432 WIRE 400 432 384 432 WIRE 480 432 464 432 WIRE 80 512 80 496 WIRE 240 512 240 496 FLAG -256 112 0 FLAG 240 512 0 FLAG 80 512 0 FLAG -272 176 0 FLAG -272 368 0 FLAG 384 304 0 FLAG 480 176 0 FLAG 480 432 0 SYMBOL voltage -256 0 R0 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL res -112 0 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL voltage -128 176 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V2 SYMATTR Value pulse(0 3.3 0 1n 1n 1u 2u) SYMBOL voltage -128 368 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName V3 SYMATTR Value pulse(0 3.3 .5u 1n 1n 1u 2u) SYMBOL cap 464 160 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 3000p SYMBOL cap 464 416 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 3000p SYMBOL PowerProducts\\LT1162 160 256 R0 SYMATTR InstName U1 TEXT 392 536 Left 2 !.tran 6u