NOVEL COMPACT DUAL-BAND BANDPASS MICROSTRIP FILTER | Zendy

Subash Vegesna | Zendy; Mohammad A. Saed | Zendy

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NOVEL COMPACT DUAL-BAND BANDPASS MICROSTRIP FILTER

Author(s) -

Subash Vegesna,

Mohammad A. Saed

Publication year - 2010

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb10012210

Subject(s) - band pass filter , multi band device , dual (grammatical number) , microstrip , computer science , telecommunications , physics , optics , philosophy , antenna (radio) , linguistics

In this paper, a novel microstrip structure is developed to realize a dual-band bandpass fllter. The proposed bandpass structure uses a microstrip resonator with two independently controlled resonance frequencies producing two frequency bands of interest controlled by adjusting the dimensions of the resonator. Parametric analysis is performed on the structure to determine the optimum dimensions to obtain the desired frequency response and is explained in the paper. The dual-band bandpass fllter developed in this paper exhibits dual operating frequencies at 1390MHz and 2520MHz with 9.85% and 9.92% fractional bandwidths respectively. We achieved a compact second-order dual-band bandpass fllter with controllable resonance frequencies and low insertion losses in the passband with high selectivity. The measured results are in good agreement with simulated results. Additionally, it can be easily fabricated and can be used in applications where miniaturization and compatibility with microstrip technology are of primary concern.

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