Version 4
SHEET 1 1532 680
WIRE 144 -64 -112 -64
WIRE 256 -64 144 -64
WIRE 1136 -64 256 -64
WIRE 1248 -64 1136 -64
WIRE 144 32 144 16
WIRE 144 32 80 32
WIRE 256 32 256 16
WIRE 320 32 256 32
WIRE 1136 32 1136 16
WIRE 1136 32 1072 32
WIRE 1248 32 1248 16
WIRE 1312 32 1248 32
WIRE 144 48 144 32
WIRE 256 48 256 32
WIRE 1136 48 1136 32
WIRE 1248 48 1248 32
WIRE 320 64 320 32
WIRE 1072 64 1072 32
WIRE 672 128 448 128
WIRE 944 128 736 128
WIRE 256 160 256 128
WIRE 320 160 320 128
WIRE 320 160 256 160
WIRE 1072 160 1072 128
WIRE 1136 160 1136 128
WIRE 1136 160 1072 160
WIRE 256 176 256 160
WIRE 1136 176 1136 160
WIRE -112 192 -112 -64
WIRE 80 192 80 32
WIRE 1312 192 1312 32
WIRE 144 224 144 128
WIRE 192 224 144 224
WIRE 1248 224 1248 128
WIRE 1248 224 1200 224
WIRE -112 304 -112 272
WIRE 80 304 80 272
WIRE 256 304 256 272
WIRE 448 304 448 288
WIRE 944 304 944 288
WIRE 1136 304 1136 272
WIRE 1312 304 1312 272
FLAG 256 384 0
FLAG -112 304 0
FLAG 80 304 0
FLAG 448 304 0
FLAG 1136 384 0
FLAG 1312 304 0
FLAG 944 304 0
SYMBOL npn 192 176 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL voltage -112 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL ind2 240 32 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 160 144 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L2
SYMATTR Value 50µ
SYMATTR Type ind
SYMBOL res 128 -80 R0
SYMATTR InstName R1
SYMATTR Value 4k7
SYMBOL res 240 -80 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap 304 64 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL res 64 176 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL ind2 432 192 R0
SYMATTR InstName L3
SYMATTR Value .1m
SYMATTR Type ind
SYMBOL npn 1200 176 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL res 1264 -80 M0
SYMATTR InstName R4
SYMATTR Value 4k7
SYMBOL res 1152 -80 M0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL cap 1088 64 M0
SYMATTR InstName C2
SYMATTR Value 11n
SYMBOL res 1296 176 R0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL res 432 112 R0
SYMATTR InstName R7
SYMATTR Value 1k
SYMBOL res 928 112 R0
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res 240 288 R0
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL res 1120 288 R0
SYMATTR InstName R10
SYMATTR Value 100
SYMBOL diode 736 112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL ind2 1232 32 R0
SYMATTR InstName L4
SYMATTR Value 50µ
SYMATTR Type ind
SYMBOL ind2 928 192 R0
SYMATTR InstName L5
SYMATTR Value .1m
SYMATTR Type ind
SYMBOL ind2 1152 144 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L6
SYMATTR Value 1m
SYMATTR Type ind
TEXT -96 104 Left 2 !K L1 L2 L3 1
TEXT -64 280 Left 2 !.tran 3m
TEXT 1352 96 Left 2 !K2 L4 L5 L6 1