... 12341112121,01,36 17 0 ,75 600,99961,33 97 0 ,77 4300,618000, 477 20,48890,38901,01,01,3231,4140, 978 1 ,79 70,580,690,520,81Butterworth 12341112121,01,41421,01,01,8 478 0 ,76 5401,001,01,01,01,01,01,01, 272 0 ,71 91,3900 ,71 1,00,541,31Suy ... hạn12341112121,01,2 872 0,50891,01 97 0, 870 00, 870 000,414200,25990,18920,18921,01,01,9611,2621,4801,4800,50,50,50,5Bessel 12341112121,01,36 17 0 ,75 600,99961,33 97 0 ,77 4300,618000, 477 20,48890,38901,01,01,3231,4140, 978 1 ,79 70,580,690,520,81Butterworth ... 1dB12341112121,01,30222,21560,54422,59040,303901,551501,20 57 4,13011,16 97 1,01,00,4511,3530,5401,4 17 0,982,020 ,78 3,56ChebyshevSuy giảm 3dB12341112121,01,06503,34960,35592,18530,196401,930501,19235,53391,20091,01,00,2991,3960,5 57 1,4101,33, 07 1,085,58...