volume | PIER Journals

Abstract

In this paper, a novel dual-band active filter topology is presented. The non-linear phase response of a composite right/left-handed cell is used to achieve the desired dual-band performance. Additionally, the proposed structure based on coupled ring resonators yields a very compact solution in which high-order implementations can be easily obtained by cascading multiple rings. The theoretical principles of this type of filters are analyzed in detail. Finally, three prototypes based on first-, second- and third-order structures validate the feasibility of this type of filters. Good agreement between simulations and measurements has been achieved.

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Dr. Oscar Garcia-Perez

Prof. Luis Enrique Garcia-Munoz

Prof. Daniel Segovia-Vargas

Dr. Vicente Gonzalez-Posadas