Version 4
SHEET 1 1028 680
WIRE -176 -128 -240 -128
WIRE -112 -128 -176 -128
WIRE 16 -128 -32 -128
WIRE 80 -128 16 -128
WIRE 128 -128 80 -128
WIRE 320 -128 208 -128
WIRE 384 -128 320 -128
WIRE 80 -96 80 -128
WIRE -240 -80 -240 -128
WIRE 320 -64 320 -128
WIRE 320 -64 288 -64
WIRE 336 -64 320 -64
WIRE 16 -48 -80 -48
WIRE 336 -48 336 -64
WIRE 288 -32 288 -64
WIRE -80 -16 -80 -48
WIRE 288 48 288 32
WIRE 320 48 288 48
WIRE 336 48 336 32
WIRE 336 48 320 48
WIRE -240 80 -240 0
WIRE -240 80 -288 80
WIRE -80 80 -80 64
WIRE -80 80 -240 80
WIRE 80 80 80 0
WIRE 80 80 -80 80
WIRE 320 80 320 48
WIRE 320 80 80 80
WIRE -288 96 -288 80
FLAG -288 96 0
FLAG -176 -128 mp1
FLAG 16 -128 mp2
FLAG 384 -128 mp3
FLAG -80 -48 B
SYMBOL ind 320 -64 R0
WINDOW 3 47 68 Left 2
SYMATTR Value 89µ
SYMATTR InstName L1
SYMBOL cap 272 -32 R0
WINDOW 3 -44 52 Left 2
SYMATTR Value 280p
SYMATTR InstName C1
SYMBOL voltage -240 -96 R0
WINDOW 3 -179 -176 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 10 0 50n 50n 1350n 3µ)
SYMATTR InstName V1
SYMBOL res 224 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 47k
SYMBOL Misc\\EuropeanResistor -16 -144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL pnp 16 0 M180
SYMATTR InstName Q1
SYMATTR Value BC557B
SYMBOL voltage -80 -32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value SINE(2.35 3 440)
TEXT -408 120 Left 2 !.tran 0 50m 30m