Version 4
SHEET 1 880 680
WIRE 32 176 -160 176
WIRE 336 176 288 176
WIRE 432 176 336 176
WIRE 528 176 432 176
WIRE -160 192 -160 176
WIRE 336 192 336 176
WIRE 432 192 432 176
WIRE 528 192 528 176
WIRE -160 288 -160 272
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 -160 288 0
FLAG 432 288 0
FLAG 528 288 0
FLAG 336 416 0
FLAG 528 176 OUT
FLAG -160 176 IN
SYMBOL voltage -160 176 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 res 320 176 R0
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL res 320 304 R0
SYMATTR InstName R2
SYMATTR Value 500
SYMBOL PowerProducts\\LT1587 160 176 R0
SYMATTR InstName U1
TEXT 440 368 Left 2 !.tran 1