Hi Rune and Robert! I finally found the normalisation factor for my nominator coefficients. For every k pole of the filter transfer function Sk = Ak + iBk , the gain factor is the summatory of the square modulus of each pole: G = (A0^2 + B0^2)^2 + (A1^2 + B1^2)^2 + ... + (Ak^2 + Bk^2)^2 Of course, for even orders, the num coeffs must be also multiplicated by the 10^(-0.05*Ap) factor before mentioned. Thank you very much for your help! ps: this is very well explained in the Andreas Antoniou book (page 489)
Gain in IIR Chebyshev Filter?
Started by ●February 5, 2009
Reply by ●February 12, 20092009-02-12