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Tri-band bandpass filter using dual-mode resonators

Doan, M. and Che, W. and Phu Liem, Nguyen (2012) Tri-band bandpass filter using dual-mode resonators. In: 2012 5th International Conference on Advanced Technologies for Communications, ATC 2012, 10 October 2012 through 12 October 2012, Hanoi.

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Abstract

This letter presents a compact tri-band bandpass filter (BPF) with controllable bandwidths. The proposed filter employs dual-mode resonators' i.e.' crossed open-short stub loaded resonators and tri-section stepped impedance resonators. The center frequencies and bandwidths of the three passbands can be conveniently controlled by tuning the dimensions of two resonators. Moreover' on each side of each passband' there is at least one transmission zero' resulting in high skirt selectivity. To validate the design and analysis' a prototype of tri-band BPF is fabricated. Good agreement can be found between the measured and simulated results. © 2012 IEEE.

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculties > Faculty of Control Engineering
Faculties > Faculty of Radio-Electronic Engineering
Identification Number: 10.1109/ATC.2012.6404256
Uncontrolled Keywords: Center frequency; Controllable bandwidths; Design and analysis; Dual mode resonators; Passbands; Simulated results; Stepped impedance resonator; Stub-loaded resonators; Transmission zeros; Tri-band bandpass filter; Bandpass filters; Bandwidth; Resonators
Additional Information: Conference code: 95453. Language of original document: English.
URI: http://eprints.lqdtu.edu.vn/id/eprint/10095

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