Version 4
SHEET 1 2164 1252
WIRE -688 240 -976 240
WIRE -352 240 -608 240
WIRE -352 304 -352 240
WIRE -352 304 -480 304
WIRE -224 304 -352 304
WIRE -480 352 -480 304
WIRE -352 352 -352 304
WIRE -224 448 -224 304
WIRE -480 496 -480 432
WIRE -448 496 -480 496
WIRE -352 496 -352 432
WIRE -352 496 -368 496
WIRE -288 496 -352 496
WIRE -976 512 -976 240
WIRE -352 544 -352 496
WIRE -480 592 -480 496
WIRE -416 592 -480 592
WIRE -352 672 -352 640
WIRE -224 672 -224 544
WIRE -224 672 -352 672
WIRE -480 704 -480 592
WIRE -224 704 -224 672
WIRE -480 832 -480 784
WIRE -352 832 -480 832
WIRE -224 832 -224 784
WIRE -224 832 -352 832
WIRE -976 880 -976 592
WIRE -352 880 -352 832
FLAG -976 880 0
FLAG -352 880 0
SYMBOL voltage -976 496 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V
SYMATTR Value SINE(3.1 0.9 795)
SYMBOL npn -416 544 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL npn -288 448 R0
SYMATTR InstName Q2
SYMATTR Value 2N3904
SYMBOL res -496 336 R0
SYMATTR InstName RD1
SYMATTR Value 80kOhm
SYMBOL res -496 688 R0
SYMATTR InstName RD2
SYMATTR Value 18.6kOhm
SYMBOL res -368 336 R0
SYMATTR InstName RD3
SYMATTR Value 25kOhm
SYMBOL res -352 480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RD4
SYMATTR Value 3.9kOhm
SYMBOL res -240 688 R0
SYMATTR InstName RD5
SYMATTR Value 52Ohm
SYMBOL ind -704 256 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L
SYMATTR Value 1H
SYMATTR SpiceLine Rser=1k Cpar=10p
TEXT -984 168 Left 2 !.tran 0 410m 400m 0.001m