Title: Implementation of constant phase elements using low-Q band-pass and band-reject filtering sections
Authors: Petržela, Jiří
Šotner, Roman
Guzan, Milan
Citation: 2016 International Conference on Applied Electronics: Pilsen, 6th – 7th September 2016, Czech Republic, p.205-210.
Issue Date: 2016
Publisher: Západočeská univerzita v Plzni
Document type: konferenční příspěvek
URI: http://hdl.handle.net/11025/35282
ISBN: 978–80–261–0601–2 (Print)
978–80–261–0602–9 (Online)
ISSN: 1803–7232 (Print)
1805–9597 (Online)
Keywords: pásmové filtry;póly a nuly;kondenzátory;ekvalizéry;rezistory
Keywords in different language: band-pass filters;poles and zeros;capacitors;equalizers;resistors
Abstract in different language: This paper briefly describes possibility to use band-pass and notch filters with low quality factors for straightforward synthesis of the so-called constant phase elements. These filters connected in cascade can form desired alternation of transfer function zeroes and poles. Using proposed approach one-quarter, half and three-quarter fractional-order integrator dedicated for audio and speech applications has been derived and verified by using numerical analysis. Discovered method can be generalized to arbitrary frequency range, allowed phase error and almost any biquad topology.
Rights: © Západočeská univerzita v Plzni
Appears in Collections:Applied Electronics 2016
Applied Electronics 2016

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