Version 4
SHEET 1 880 680
WIRE -352 96 -592 96
WIRE -320 112 -432 112
WIRE -224 112 -320 112
WIRE -432 128 -432 112
WIRE -592 144 -592 96
WIRE -320 144 -320 112
WIRE -224 144 -224 112
WIRE -496 176 -512 176
WIRE 80 192 -64 192
WIRE -64 208 -64 192
WIRE 80 208 80 192
WIRE -592 256 -592 224
WIRE -432 256 -432 224
WIRE -432 256 -592 256
WIRE -352 256 -352 96
WIRE -224 256 -224 224
WIRE -224 256 -352 256
WIRE -592 288 -592 256
WIRE -512 288 -512 176
WIRE -432 288 -512 288
WIRE -320 288 -320 208
WIRE -320 288 -368 288
WIRE -224 288 -224 256
WIRE -64 304 -64 288
WIRE 0 304 -64 304
WIRE 80 304 80 288
WIRE 80 304 0 304
WIRE -512 320 -512 288
WIRE 0 320 0 304
WIRE -512 416 -512 400
WIRE -432 416 -512 416
WIRE 0 416 0 400
WIRE -512 448 -512 416
WIRE -464 448 -512 448
WIRE -320 448 -320 288
WIRE -320 448 -400 448
WIRE -224 448 -224 368
WIRE -224 448 -320 448
FLAG 0 416 0
FLAG -592 288 0
SYMBOL ind2 -240 240 M180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L1
SYMATTR Value 2m
SYMBOL ind2 -240 384 M180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L2
SYMATTR Value 2m
SYMBOL ind2 -48 304 R180
WINDOW 0 36 80 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName L3
SYMATTR Value 1
SYMATTR SpiceLine Rser=1
SYMBOL res 16 304 M0
SYMATTR InstName R1
SYMATTR Value 1e9
SYMBOL npn2 -496 128 R0
SYMATTR InstName Q1
SYMATTR Value TIP31C
SYMBOL cap -336 144 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap -368 272 R90
WINDOW 0 16 58 VBottom 0
WINDOW 3 -12 -4 VTop 0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL res -528 304 R0
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL Robertugo\\Pote -496 432 M90
WINDOW 0 1 24 VLeft 0
WINDOW 3 -33 93 VLeft 0
WINDOW 123 -7 122 VCenter 0
SYMATTR InstName U1
SYMATTR Value Rt=5K
SYMATTR Value2 Set=.2
SYMBOL Misc\\battery -592 128 R0
WINDOW 0 37 47 Left 0
WINDOW 3 37 82 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 7 6 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMATTR SpiceLine Rser=.01
SYMBOL res 64 192 R0
SYMATTR InstName R3
SYMATTR Value 8k
TEXT -136 144 VRight 0 !K1 L1 L2 L3 .99
TEXT -98 146 Left 0 !.tran 10m