Design of IIR notch filters with maximally flat or equiripple magnitude characteristics

Alfonso Fernandez-Vazquez, Gordana Jovanovic-Dolecek

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

This paper presents the design of IIR (Infinite Impulse Response) notch filters with desired magnitude characteristic, which can be either maximally flat or equiripple. Butterworth polynomial, used for designing the allpass filter, will result in a maximally flat magnitude. Similarly, an equiripple characteristic is obtained by using Chebyshev I, Chebyshev II and Elliptic polynomials. The parameters of the design are notch frequency, rejection bandwidth and passbands ripple.

Original languageEnglish
JournalEuropean Signal Processing Conference
StatePublished - 2006
Externally publishedYes
Event14th European Signal Processing Conference, EUSIPCO 2006 - Florence, Italy
Duration: 4 Sep 20068 Sep 2006

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