Broadband CPS-fed Yagi-Uda antenna

被引：48
|
作者：
Han, K. [1 ]
Park, Y. [1 ]
Choo, H. [2 ]
Park, I. [1 ]
机构：
[1] Ajou Univ, Dept Elect & Comp Engn, Suwon 443749, South Korea
[2] Hongik Univ, Sch Elect & Elect Engn, Seoul 121791, South Korea
来源：
ELECTRONICS LETTERS | 2009年 / 45卷 / 24期
关键词：
D O I：
10.1049/el.2009.1330
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 broadband coplanar stripline-fed Yagi-Uda antenna is presented. The antenna has a feedline structure that is much simpler than other Yagi-Uda antennas, and provides more design flexibility in arranging the reflector owing to the absence of a large ground plane. To improve the impedance match, a taper is inserted between the wide-line/small-gap and the narrow-line/large-gap CPS. The proposed antenna has a bandwidth of 3.9-5.9 GHz for a 210 dB reflection coefficient and a gain of 6.5-8.0 dBi. At the centre frequency of 4.9 GHz, the antenna has gain of 7.1 dBi, and a half-power beamwidth (HPBW) of 738 in the E-plane and 988 in the H-plane.
引用
收藏
页码：1207 / 1208
页数：2
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