... 1dB123 4 1112121,01,30222,21560, 544 22,59 04 0,303901,551501,2057 4, 13011,16971,01,00 ,45 11,3530, 540 1 ,41 70,982,020,783,56ChebyshevSuy giảm 3dB123 4 1112121,01,06503, 349 60,35592,18530,19 64 01,930501,19235,53391,20091,01,00,2991,3960,5571 ,41 01,33,071,085,58 ... hạn123 4 1112121,01,28720,50891,01970,87000,870000 ,41 4200,25990,18920,18921,01,01,9611,2621 ,48 01 ,48 00,50,50,50,5Bessel 123 4 1112121,01,36170,75600,99961,33970,7 743 00,618000 ,47 720 ,48 890,38901,01,01,3231 ,41 40,9781,7970,580,690,520,81Butterworth ... 123 4 1112121,01,36170,75600,99961,33970,7 743 00,618000 ,47 720 ,48 890,38901,01,01,3231 ,41 40,9781,7970,580,690,520,81Butterworth 123 4 1112121,01 ,41 421,01,01, 847 80,76 54 01,001,01,01,01,01,01,01,2720,7191,3900,711,00, 54 1,31Suy giảm 1dB123 4 1112121,01,30222,21560, 544 22,59 04 0,303901,551501,2057 4, 13011,16971,01,00 ,45 11,3530, 540 1 ,41 70,982,020,783,56ChebyshevSuy...