A new method for the design of IIR filters with flat magnitude response

Alfonso Fernandez-Vazquez, Gordana Jovanovic-Dolecek

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

This paper presents a new direct design of infinite-impulse response (IIR) filters with a flat magnitude response in both passband and stopband (Butterworth filters). The design specifications are passband and stopband frequencies and passband droop and stopband attenuation. The approach is based on an allpass filter with flatness at frequency points ω = 0 and ω = π. Depending on the parity of the IIR filter order, the allpass filter is either real or complex. However, in both cases, the resulting IIR filter is real. © 2006 IEEE.
Original languageAmerican English
Pages (from-to)1761-1771
Number of pages1583
JournalIEEE Transactions on Circuits and Systems I: Regular Papers
DOIs
StatePublished - 1 Aug 2006
Externally publishedYes

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IIR filters
Parity
Butterworth filters
Specifications

Cite this

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A new method for the design of IIR filters with flat magnitude response. / Fernandez-Vazquez, Alfonso; Jovanovic-Dolecek, Gordana.

In: IEEE Transactions on Circuits and Systems I: Regular Papers, 01.08.2006, p. 1761-1771.

Research output: Contribution to journalArticle

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