Design of a Multiband Quasi-Yagi-Type Antenna With CPW-to-CPS Transition

被引：48

作者：

Ding, Yang ^{[1
]}

Jiao, Y. C. ^{[1
]}

Fei, P. ^{[1
]}

Li, B. ^{[1
]}

Zhang, Q. T. ^{[1
]}

机构：

[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2011年 / 10卷

关键词：

Coplanar-waveguide-to-coplanar-strip (CPW-to-CPS) transition; multiband antenna; quasi-Yagi antenna;

D O I：

10.1109/LAWP.2011.2170950

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 novel coplanar waveguide-fed planar quasi-Yagi antenna for multiband operation is presented in this letter. The antenna consists of a basic quasi-Yagi element and a coplanar-waveguide-to-coplanar-strip (CPW-to-CPS) transition, which can excite the odd-mode electric fields at the CPS line though the CPW feed line. The proposed antenna can be used in multiband operation with directional radiation patterns whose front-to-back ratios approximate to 10 dB for desired bands. Its impedance bandwidth, determined by 10-dB reflection coefficient, covers numbers of present wireless communication systems, and the antenna can be simply integrated with other circuit components for its planar structure. Experimental data obtained from a laboratory prototype are also presented. The experimental results confirm the good performances observed by the electromagnetic simulations.

引用

页码：1120 / 1123

页数：4

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