HIGH SELECTIVITY FILTER EMPLOYING STEPPED IMPEDANCE RESONATORS,SERIES CAPACITORS AND DEFECTED GROUND STRUCTURES FOR ULTRA WIDE BAND APPLICATIONS | Zendy

C.J. Bindu | Zendy; Shanta Mridula | Zendy; P. Mohanan | Zendy

Open Access

HIGH SELECTIVITY FILTER EMPLOYING STEPPED IMPEDANCE RESONATORS,SERIES CAPACITORS AND DEFECTED GROUND STRUCTURES FOR ULTRA WIDE BAND APPLICATIONS

Author(s) -

C.J. Bindu,

Shanta Mridula,

P. Mohanan

Publication year - 2014

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc14013103

Subject(s) - resonator , capacitor , electrical impedance , series (stratigraphy) , optoelectronics , materials science , filter (signal processing) , high impedance , electronic engineering , electrical engineering , acoustics , engineering , physics , geology , voltage , paleontology

The paper presents a compact planar Ultra Wide Band fllter employing folded stepped impedance resonators with series capacitors and dumb bell shaped defected ground structures. An interdigital quarter wavelength coupled line is used for achieving the band pass characteristics. The transmission zeros are produced by stepped impedance resonators. The fllter has steep roll ofi rate and good attenuation in its lower and upper stop bands, contributed by the series capacitor and defected ground structures respectively.

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