A 24-GHz high-gain Yagi-Uda antenna array

被引:123
|
作者
Grajek, PR [1 ]
Schoenlinner, B [1 ]
Rebeiz, GM [1 ]
机构
[1] Univ Michigan, Dept Elect Engn & Comp Sci, Radiat Lab, Ann Arbor, MI 48109 USA
关键词
endfire antenna; millimeter-waves; multiple beam systems; Yagi-Uda antenna;
D O I
10.1109/TAP.2004.827543
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 compact 24-GHz Yagi-Uda antenna has been developed using standard design tables and simple scaling to take into account the added capacitance due to the supporting dielectric substrate. The antenna results in a directivity of 9.3 dB, a front-to-back ratio of 11 dB, and a bandwidth of 2.5-3%. The Yagi-Uda antenna has been implemented in an 11-beam system using a planar array and a 2-inch Teflon spherical lens. The measured patterns show a 22 dB gain beam, a cross-polarization level of -24 dB, and a crossover level of -6 dB. The design method presented in this paper is quite straightforward, and can be used to develop low-, medium-, and even high-gain endfire Yagi-Uda antennas.
引用
收藏
页码:1257 / 1261
页数:5
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