IMPROVING FREQUENCY RESPONSE OF MICROSTRIP FILTERS USING DEFECTED GROUND AND DEFECTED MICROSTRIP STRUCTURES | Zendy

Jose Alfredo TiradoMéndez | Zendy; Hildeberto JardónAguilar | Zendy; Ruben FloresLeal | Zendy; Edgar Alejandro Andrade-González | Zendy; Flavio IturbideSánchez | Zendy

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IMPROVING FREQUENCY RESPONSE OF MICROSTRIP FILTERS USING DEFECTED GROUND AND DEFECTED MICROSTRIP STRUCTURES

Author(s) -

Jose Alfredo TiradoMéndez,

Hildeberto JardónAguilar,

Ruben FloresLeal,

Edgar Alejandro Andrade-González,

Flavio IturbideSánchez

Publication year - 2010

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

ISSN - 1937-8718

DOI - 10.2528/pierc10011505

Subject(s) - microstrip , materials science , electronic engineering , acoustics , physics , engineering

In this work, the introduction of Defected Microstrip Structures and Defected Ground Structures is presented to improve the performance of a traditional stepped-impedance microstrip lowpass fllter. The attenuation in the stop-band is enhanced by more than 15dB and selectivity is increased, without modifying the insertion loss in the pass band. A comparison of characteristics in fllters is made when the combination of Defected Ground and Defected Microstrip Structures, as well as when only the flrst one are used. A model of the Defected Microstrip Structure and the corresponding equations to obtain the equivalent lumped and distributed element values are also given.

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