A general method to design GCF compensation filter

Authors:
Alfonso Fernandez-Vazquez;Gordana Jovanovic Dolecek
Affiliations:
Department of Electronics, National Institute of Astrophysics, Optics, and Electronics, Puebla, Mexico;Department of Electronics, National Institute of Astrophysics, Optics, and Electronics, Puebla, Mexico
Venue:
IEEE Transactions on Circuits and Systems II: Express Briefs
Year:
2009

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Abstract

This brief addresses the design of the compensation filter of a generalized comb filter (GCF). The proposed method is general and can be applied to different design constraints, i.e., maximally flat, least square, and minimax. The coefficients of the proposed filter for all three cases can be obtained by solving two simple linear equations. The filter operates at a low rate and considerably reduces the passband droop of the GCF.