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Article

A New Reconfigurable Filter Based on a Single Electromagnetic Bandgap Honey Comb Geometry Cell

1
Instituto de Pesquisas Eldorado, Campinas 13083-898, Brazil
2
DECOM/FEEC/UNICAMP, State University of Campinas, Campinas 13083-852, Brazil
3
Transmissora Aliança de Energia Elétrica S.A., Rio de Janeiro 20010-010, Brazil
*
Authors to whom correspondence should be addressed.
Academic Editors: Giovanni Andrea Casula and Naser Ojaroudi Parchin
Electronics 2021, 10(19), 2390; https://doi.org/10.3390/electronics10192390
Received: 12 July 2021 / Revised: 15 September 2021 / Accepted: 20 September 2021 / Published: 30 September 2021
(This article belongs to the Special Issue Metamaterials and Metasurfaces)
This work presents a new unit cell electromagnetic bandgap (EBG) design based on HoneyComb geometry (HCPBG). The new HCPBG takes a uniplanar geometry (UCPBG—uniplanar compact PBG) as a reference and follows similar design methods for defining geometric parameters. The new structure’s advantages consist of reduced occupied printed circuit board area and flexible rejection band properties. In addition, rotation and slight geometry modification in the HCPBG cell allow changing the profile of the attenuation frequency range. This paper also presents a reconfigurable unit cell HCPBG filter strategy, for which the resonance center frequency is shifted by changing the gap capacitance with the assistance of varactor diodes. The HCPBG filter and reconfiguration behavior is demonstrated through electromagnetic (EM) simulations over the FR1 band of the 5G communication network. Intelligent communication systems can use the reconfiguration feature to select the optimal operating frequency for maximum attenuation of unwanted or interfering signals, such as harmonics or intermodulation products. View Full-Text
Keywords: electromagnetic bandgap; photonic bandgap; electromagnetic compatibility; interference; filtering; HCPBG (HoneyComb PBG) electromagnetic bandgap; photonic bandgap; electromagnetic compatibility; interference; filtering; HCPBG (HoneyComb PBG)
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MDPI and ACS Style

Tavora de Albuquerque Silva, A.; Ferreira Dias, C.; Rodrigues de Lima, E.; Fraidenraich, G.; Medeiros de Almeida, L. A New Reconfigurable Filter Based on a Single Electromagnetic Bandgap Honey Comb Geometry Cell. Electronics 2021, 10, 2390. https://doi.org/10.3390/electronics10192390

AMA Style

Tavora de Albuquerque Silva A, Ferreira Dias C, Rodrigues de Lima E, Fraidenraich G, Medeiros de Almeida L. A New Reconfigurable Filter Based on a Single Electromagnetic Bandgap Honey Comb Geometry Cell. Electronics. 2021; 10(19):2390. https://doi.org/10.3390/electronics10192390

Chicago/Turabian Style

Tavora de Albuquerque Silva, Andre, Claudio Ferreira Dias, Eduardo Rodrigues de Lima, Gustavo Fraidenraich, and Larissa Medeiros de Almeida. 2021. "A New Reconfigurable Filter Based on a Single Electromagnetic Bandgap Honey Comb Geometry Cell" Electronics 10, no. 19: 2390. https://doi.org/10.3390/electronics10192390

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