Version 4
SHEET 1 1048 788
WIRE 576 -176 432 -176
WIRE 432 -144 432 -176
WIRE 576 -144 576 -176
WIRE 576 -32 576 -64
WIRE 160 112 128 112
WIRE 256 112 240 112
WIRE 432 112 432 -64
WIRE 432 112 256 112
WIRE 128 144 128 112
WIRE 256 208 256 112
WIRE -320 256 -400 256
WIRE -144 256 -240 256
WIRE 0 256 -80 256
WIRE 16 256 0 256
WIRE 128 256 128 224
WIRE 128 256 96 256
WIRE 192 256 128 256
WIRE 432 256 432 112
WIRE 640 256 432 256
WIRE 800 256 704 256
WIRE 976 256 880 256
WIRE 432 288 432 256
WIRE -400 304 -400 256
WIRE 256 336 256 304
WIRE 288 336 256 336
WIRE 368 336 288 336
WIRE 0 368 0 256
WIRE 128 368 128 256
WIRE 288 368 288 336
WIRE -400 400 -400 384
WIRE 0 496 0 448
WIRE 128 496 128 448
WIRE 288 496 288 448
WIRE 432 496 432 384
FLAG 576 -32 0
FLAG 432 496 0
FLAG 288 496 0
FLAG 128 496 0
FLAG -400 400 0
FLAG 0 496 0
FLAG 976 256 0
SYMBOL voltage 576 -160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 9
SYMBOL res 416 -160 R0
SYMATTR InstName R1
SYMATTR Value 220
SYMBOL res 256 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 680
SYMBOL res 112 352 R0
SYMATTR InstName R3
SYMATTR Value 860
SYMBOL res 272 352 R0
SYMATTR InstName R4
SYMATTR Value 150
SYMBOL cap -80 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL npn 192 208 R0
SYMATTR InstName Q1
SYMATTR Value BFP420
SYMBOL npn 368 288 R0
SYMATTR InstName Q2
SYMATTR Value BFR93A
SYMBOL ind 144 240 R180
WINDOW 0 36 80 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName L1
SYMATTR Value 150n
SYMBOL voltage -400 288 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 24 44 Left 2
SYMATTR Value2 AC 0.01
SYMATTR Value SINE(0 0.01 4e8)
SYMATTR InstName V1
SYMBOL res -224 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 50
SYMBOL res 112 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 5.6
SYMBOL res -16 352 R0
SYMATTR InstName R7
SYMATTR Value 860
SYMBOL res 896 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1000
SYMBOL cap 704 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1n
TEXT 0 32 Left 2 !.tran 1e-5
RECTANGLE Normal 544 560 -64 64 2