Compact planar microstrip-fed quasi-Yagi antenna

被引：34

作者：

Lu, H.-D. ^{[1
]}

Si, L-M. ^{[1
]}

Liu, Y. ^{[1
]}

机构：

[1] Beijing Inst Technol, Dept Elect Engn, Sch Informat & Elect, Beijing 100081, Peoples R China

来源：

ELECTRONICS LETTERS | 2012年 / 48卷 / 03期

关键词：

Directional patterns (antenna) - Directive antennas - Antenna arrays - Electric impedance - Antenna feeders;

D O I：

10.1049/el.2011.3458

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 compact planar microstrip-fed quaisi-Yagi antenna is investigated. The feeding structure is directly realised by a microstrip line and has the advantage of avoiding the introduction of a balun, transition, tapered or truncated structures, thereby decreasing design complexity. The proposed antenna shows measured impedance bandwidth from 2.74 to 4.25 GHz for a return loss less than 210 dB, and exhibits 13 dB front-to-back (F/B) ratio, -15 dB cross-polarisation, 8.77 dB absolute peak gain, 60 degrees half power beam width (HPBW) in the E-plane and 68 degrees HPBW in the H-plane at the centre frequency (3.5 GHz). Measured results are in good agreement with electromagnetic simulations.

引用

页码：140 / U14

页数：2

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