A Yagi-Uda Antenna With a Stepped-Width Reflector Shorter Than the Driven Element

被引：47

作者：

Luo, Yu ^{[1
]}

Chu, Qing-Xin ^{[1
]}

机构：

[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2016年 / 15卷

基金：

中国国家自然科学基金;

关键词：

Dipole with a parasitic element; equivalent circuit; miniaturized reflector; stepped-width structure; Yagi-Uda antenna; ARRAY;

D O I：

10.1109/LAWP.2015.2458351

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A Yagi-Uda antenna with a stepped-width reflector is presented. Totally different than the traditional ones, the proposed reflector is shorter than the driven element as a result of the stepped-width structure. To further understand its working mechanics, an equivalent circuit to a dipole with a parasitic element is employed to explain the shortened length of the stepped-width reflector. Then, the proposed stepped-width reflector, shorter than the driven element, was applied to design, fabrication, and measurement of a Yagi-Uda antenna. Measured results show a good agreement with the simulated ones. In particular, the total length of the reflector employed in the Yagi-Uda antenna is 50 mm, and that of the driven element is 53 mm, which verifies the shorter length of the reflector and benefits achieving a smaller size.

引用

页码：564 / 567

页数：4

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