Version 4 SHEET 1 880 680 WIRE 32 176 -176 176 WIRE 336 176 288 176 WIRE 432 176 336 176 WIRE 528 176 432 176 WIRE -176 192 -176 176 WIRE 336 192 336 176 WIRE 432 192 432 176 WIRE 528 192 528 176 WIRE -176 288 -176 272 WIRE 432 288 432 256 WIRE 528 288 528 272 WIRE 160 304 160 272 WIRE 336 304 336 272 WIRE 336 304 160 304 WIRE 336 320 336 304 WIRE 336 416 336 400 FLAG -176 288 0 FLAG 432 288 0 FLAG 528 288 0 FLAG 336 416 0 FLAG 528 176 OUT FLAG -176 176 IN SYMBOL voltage -176 176 R0 SYMATTR InstName V1 SYMATTR Value PWL(0 0 1 10) SYMBOL cap 416 192 R0 SYMATTR InstName C1 SYMATTR Value 22µ SYMBOL res 512 176 R0 SYMATTR InstName Rload SYMATTR Value 500 SYMBOL PowerProducts\\LT1585 160 176 R0 SYMATTR InstName U1 SYMBOL res 320 176 R0 SYMATTR InstName R1 SYMATTR Value 500 SYMBOL res 320 304 R0 SYMATTR InstName R2 SYMATTR Value 500 TEXT 464 352 Left 2 !.tran 1