Volume 53, Issue 11 pp. 2472-2474

Reconfigurable bowtie electromagnetic bandgap-based microwave filters

Stylianos D. Assimonis

Stylianos D. Assimonis

Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece

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Antonios X. Lalas

Antonios X. Lalas

Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece

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Nikolaos V. Kantartzis

Corresponding Author

Nikolaos V. Kantartzis

Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece

Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki GR-54124, GreeceSearch for more papers by this author
Traianos V. Yioultsis

Traianos V. Yioultsis

Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki GR-54124, Greece

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First published: 19 August 2011

Abstract

A controllable bowtie-like electromagnetic bandgap (EBG)-based microwave filter is proposed in this article. The device exploits EBG properties to form the desired stopband, whereas tunability is used by means of switching elements. Numerical analysis is performed by a finite element scheme revealing the DC-extending bandstop behavior of the structure. In addition, a prototype of the proposed filter is constructed and measured. Experimental data demonstrate the robustness of the conducted simulations, while an adequate tuning range is observed. The simple, yet efficient and easily fabricated, design promises operational reconfigurability combined with amplitude tunability. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2472–2474, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26316

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