Version 4
SHEET 1 880 680
WIRE 192 -32 80 -32
WIRE 320 -32 192 -32
WIRE 656 -32 320 -32
WIRE 80 -16 80 -32
WIRE 192 -16 192 -32
WIRE 320 32 320 -32
WIRE -16 80 -48 80
WIRE 192 80 192 64
WIRE 192 80 48 80
WIRE 256 80 192 80
WIRE 656 128 656 -32
WIRE -128 176 -176 176
WIRE -48 176 -48 80
WIRE -48 176 -128 176
WIRE -16 176 -48 176
WIRE 80 176 80 64
WIRE 80 176 48 176
WIRE 96 176 80 176
WIRE 192 176 176 176
WIRE 224 176 192 176
WIRE 320 176 320 128
WIRE 320 176 288 176
WIRE 368 176 320 176
WIRE 480 176 432 176
WIRE -176 224 -176 176
WIRE 80 224 80 176
WIRE 320 224 320 176
WIRE 480 224 480 176
WIRE -128 240 -128 176
WIRE 192 272 192 176
WIRE 192 272 144 272
WIRE -176 352 -176 304
WIRE -128 352 -128 304
WIRE -128 352 -176 352
WIRE 80 352 80 320
WIRE 80 352 -128 352
WIRE 320 352 320 304
WIRE 320 352 80 352
WIRE 480 352 480 304
WIRE 480 352 320 352
WIRE 656 352 656 208
WIRE 656 352 480 352
WIRE -128 368 -128 352
FLAG -128 368 0
SYMBOL res 304 208 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL ind -160 208 M0
SYMATTR InstName L1
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=1 Rpar=50k
SYMBOL cap -144 240 R0
SYMATTR InstName C1
SYMATTR Value 455p
SYMBOL cap 48 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 10p
SYMBOL Misc\\battery 656 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3V
SYMBOL res 64 -32 R0
SYMATTR InstName R3
SYMATTR Value 4.7k
SYMBOL res 176 80 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL cap 288 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100p
SYMBOL res 80 192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL cap 48 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 1.5p
SYMBOL npn 256 32 R0
SYMATTR InstName Q1
SYMATTR Value BFR93A
SYMBOL npn 144 224 M0
SYMATTR InstName Q2
SYMATTR Value BFR93A
SYMBOL cap 432 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 10n
SYMBOL res 464 208 R0
SYMATTR InstName R_Oszi
SYMATTR Value 1Meg
TEXT -202 -16 Left 2 !.tran 0 3m 0 2n