Design of IIR multiple notch filters based on all-pass filters

Joshi, Y. V. ; Dutta Roy, S. C. (1999) Design of IIR multiple notch filters based on all-pass filters IEEE Transactions on Circuits and Systems Part II: Analog and Digital Signal Processing, 46 (2). pp. 134-138. ISSN 1057-7130

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Official URL: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnum...

Related URL: http://dx.doi.org/10.1109/82.752914

Abstract

A new method for the design of multiple notch fitters is presented using an all-pass filter of order 2N, N being the number of notch frequencies. The all-pass filter is realized as a cascade of N second-order all-pass sections. Besides meeting the notch frequency specifications exactly, the method ensures that the realized 3-dB bandwidths are lower than those specified. Illustrative examples are given.

Item Type:Article
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ID Code:92591
Deposited On:01 Jun 2012 12:23
Last Modified:01 Jun 2012 12:23

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