Version 4
SHEET 1 880 680
WIRE 160 64 80 64
WIRE 304 64 240 64
WIRE 448 64 304 64
WIRE 80 112 80 64
WIRE 304 112 304 64
WIRE 448 112 448 64
WIRE 80 208 80 192
WIRE 448 208 448 176
WIRE 176 256 80 256
WIRE 304 256 304 192
WIRE 304 256 240 256
WIRE 352 256 304 256
WIRE 528 256 416 256
WIRE 80 304 80 256
WIRE 528 304 528 256
WIRE 80 416 80 384
WIRE 528 448 528 384
WIRE 80 544 80 496
FLAG 80 208 0
FLAG 448 208 0
FLAG 528 448 0
FLAG 80 544 0
SYMBOL voltage 80 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10V
SYMBOL res 256 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 500
SYMBOL ind 288 96 R0
SYMATTR InstName L1
SYMATTR Value 100µ
SYMBOL cap 432 112 R0
SYMATTR InstName C1
SYMATTR Value .1µ
SYMBOL cap 240 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 0.1µ
SYMBOL diode 352 272 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res 96 400 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 50
SYMBOL res 544 400 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 50
SYMBOL voltage 80 400 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 1 0 0.1n 0.1n 50n 100n 1)
TEXT 32 568 Left 2 !.tran 0 200n 1n uic
TEXT 544 504 Left 2 !;op 0 200n 1n startup