Version 4 SHEET 1 1652 680 WIRE 208 96 -208 96 WIRE 304 96 208 96 WIRE 320 96 304 96 WIRE 656 96 608 96 WIRE 752 96 656 96 WIRE -208 112 -208 96 WIRE 208 112 208 96 WIRE 656 112 656 96 WIRE 752 112 752 96 WIRE 208 192 208 176 WIRE -208 208 -208 192 WIRE 304 208 304 96 WIRE 320 208 304 208 WIRE 656 208 656 176 WIRE 752 208 752 192 WIRE 464 272 464 256 FLAG 656 208 0 FLAG 464 272 0 FLAG -208 208 0 FLAG 752 96 OUT FLAG 752 208 0 FLAG 208 192 0 FLAG -208 96 IN SYMBOL cap 640 112 R0 SYMATTR InstName C1 SYMATTR Value 1µ SYMBOL voltage -208 96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR InstName V1 SYMATTR Value PWL(0 0 3m 3 7m 3 10m 0) SYMBOL res 736 96 R0 SYMATTR InstName R1 SYMATTR Value 250 SYMBOL cap 192 112 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL LT6657-2.5 464 128 R0 WINDOW 0 0 -48 Center 2 WINDOW 3 0 48 Center 2 SYMATTR InstName U1 TEXT 672 360 Left 2 !.tran 10m