A uniplanar quasi-Yagi antenna with wide bandwidth and low mutual coupling characteristics

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010) Pub Date : 1999-07-11 DOI:10.1109/APS.1999.789463

Y. Qian, William R. Deal, N. Kaneda, T. Itoh

引用次数: 109

Abstract

We report for the first time a planar quasi-Yagi antenna printed on a single layer of high dielectric constant substrate (Durold, /spl epsiv//sub r/=10.2) which measures 48% bandwidth (VSWR<2). The antenna radiates an end-fire beam, with a front-to-back ratio >15 dB and cross-polarization level below -12 dB across the entire frequency band. A very low mutual coupling level of below -22 dB has been measured for a two-element array with /spl lambda//sub 0//2 separation.

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具有宽带宽和低互耦特性的准八木天线

我们首次报道了在单层高介电常数衬底(Durold， /spl epsiv//sub r/=10.2)上印刷的平面准八木天线，该天线在整个频段内测量48%的带宽(VSWR15 dB)和低于-12 dB的交叉极化电平。对于/spl lambda//sub 0//2分离的双元阵列，测量到的互耦水平非常低，低于-22 dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)

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