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A New Broadband Quasi Yagi-Uda Antenna With an EBG-Truncated Ground Plane

The design of a new broadband quasi Yagi-Uda antenna is presented. The antenna is composed of an electromagnetic band-gap (EBG)-truncated ground plane and a feeding network formed by a Marchand balun and a coupling network. The quasi Yagi-antenna was designed to work at a central frequency of 3.5 GH...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2013, Vol.12, p.1392-1395
Main Authors: Estrada, Juan G., Paez, Carlos I., Fajardo, Arturo
Format: Article
Language:English
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Summary:The design of a new broadband quasi Yagi-Uda antenna is presented. The antenna is composed of an electromagnetic band-gap (EBG)-truncated ground plane and a feeding network formed by a Marchand balun and a coupling network. The quasi Yagi-antenna was designed to work at a central frequency of 3.5 GHz using a 30-mil FR4 substrate. The simulated and measured results show a relative bandwidth better than 53%, a cross polarization lower than -19 dB in the main lobe, and a front-to-back ratio better than 12 dB in the entire bandwidth.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2013.2286758