Version 4
SHEET 1 880 680
WIRE 96 48 0 48
WIRE 272 48 176 48
WIRE 288 48 272 48
WIRE 448 48 352 48
WIRE 448 112 448 48
WIRE 352 144 352 48
WIRE 0 160 0 48
WIRE 272 160 272 48
WIRE 0 288 0 224
WIRE 128 288 0 288
WIRE 272 288 272 256
WIRE 272 288 128 288
WIRE 352 288 352 208
WIRE 352 288 272 288
WIRE 448 288 448 192
WIRE 448 288 352 288
FLAG 0 288 0
SYMBOL Misc\\cell 0 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL ind 192 32 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName L1
SYMATTR Value 1
SYMBOL npn 208 160 R0
SYMATTR InstName Q1
SYMBOL res 224 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL Misc\\signal 128 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -540 -132 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 3 0 1e-9 1e-9 1e-3 2e-3)
SYMBOL cap 336 144 R0
SYMATTR InstName C1
SYMATTR Value 100e-6
SYMBOL diode 288 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MURS120
SYMBOL current 448 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 2.5m
TEXT -416 96 Left 2 !.tran 100