Dual-band conical-scanning Yagi-Uda antenna

被引：0
|
作者：
Kittiyanpunya, Chainarong [1 ]
Krairiksh, Monai [1 ]
机构：
[1] King Mongkuts Inst Technol Ladkrabang, Fac Engn, Bangkok 10520, Thailand
来源：
2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING | 2017年
关键词：
Dual-band antenna; conical scan; Yagi-Uda antenna;
D O I：
暂无
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 dual-band conical-scanning Yagi-Uda antenna is presented. The proposed antenna is composed of dual-band director elements, dual-band driven elements, and planar reflectors which the alignment of each element is not on the same plane of the dual-band driven elements. The PIN diodes are used in order to change position of driven elements and directors. The patterns can be switched in four directions that main beams are in the zenith angle of 30 degrees. It is shown that the dual-band antenna for 1 and 2 GHz operation achieves an impedance bandwidth of 8.5% and 12.5%, respectively. The front-to-back ratio of conical beams is higher than 8 dB. The antenna gain is around 6 dBi.
引用
收藏
页码：1979 / 1980
页数：2
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