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An X-band magnetic dipole quasi-Yagi antenna based on a dielectric resonator

Published online by Cambridge University Press:  19 September 2019

Zhong-Yu Qian ,
Wen-Jian Sun ,
Xue-Feng Zhang  and
Jian-Xin Chen Open the ORCID record for Jian-Xin Chen [Opens in a new window]
Zhong-Yu Qian
Affiliation:
School of Information Science and Technology, and Research Center for Intelligent Information Technology, Nantong University, 9 Seyuan Road, Nantong226019, China
Wen-Jian Sun
Affiliation:
School of Information Science and Technology, and Research Center for Intelligent Information Technology, Nantong University, 9 Seyuan Road, Nantong226019, China
Xue-Feng Zhang
Affiliation:
School of Information Science and Technology, and Research Center for Intelligent Information Technology, Nantong University, 9 Seyuan Road, Nantong226019, China
Jian-Xin Chen*
Affiliation:
School of Information Science and Technology, and Research Center for Intelligent Information Technology, Nantong University, 9 Seyuan Road, Nantong226019, China
*
Author for correspondence: Jian-Xin Chen, E-mail: [email protected]
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Abstract

A magnetic dipole quasi-Yagi antenna based on a dielectric resonator (DR) is proposed in this letter. The dominate TE1δ1 mode of the rectangular DR is used as a magnetic dipole which can be differentially fed by the coplanar strip line (CPS). Thanks to the DR employment, the proposed antenna has several advantages such as compact size and flexible design which means the 3-D dimensions of the DR can be easily adjusted to cater for various applications. Meanwhile, the gain of the proposed DR quasi-Yagi antenna is higher than that of traditional electric dipole counterparts. Furthermore, since the DR driver is horizontally polarized, both the metal strip and DR can be used as a director for enhancing the end-fire gain. To verify the design concept, a prototype operating at the X-band is fabricated and measured. Good agreement between the simulated and measured results can be observed.

Keywords

Dielectric resonator (DR)high gainmagnetic dipolequasi-Yagi antenna
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 12 , Issue 3 , April 2020 , pp. 240 - 245
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2019

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