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GDFLIB IIR Fuction confusion

Question asked by Ritik Madan on Jun 14, 2017
Latest reply on Jun 15, 2017 by xiangjun.rong

The User Reference Manual of the 'General Digital Filters Library'(which is available here []) has functions to implement IIR Filters. But on Page 3-19, it says that the filter coefficients are calculated using Butterworth Approximation.Does this mean that we can only use Butterworth Filter? Also, as per my knowledge, we have to give the coefficients and therefore other filters can also be implemented.


Can someone please clear this confusion!

What exactly does the function do? Can I implement a Elliptic filter using this function or not? If not, then what should I do use Elliptic filter?#