Microstrip Open-Slot Antenna With Broadband Circular Polarization and Impedance Bandwidth

被引：25
|
作者：
Wang, Chien-Jen [1 ]
Tsai, Wen-Bin [1 ]
机构：
[1] Natl Univ Tainan, Dept Elect Engn, Tainan 700, Taiwan
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2016年 / 64卷 / 09期
关键词：
Axial ratio (AR); circular polarization (CP); impedance bandwidth; open-slot antenna;
D O I：
10.1109/TAP.2016.2583459
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 design with broadband and circularly polarized radiation from an open-slot antenna has been successfully demonstrated in this communication. The proposed antenna, which consists of an open slot and a patch-protruded feeding topology, provides a large bandwidth, which covers the operation bandwidth of a satellite digital audio radio service system. The open slot is formed by an L-shape conducted strip asymmetrically connected at the edge of the ground plane. After optimization, the final structure, which measured 3-dB axial-ratio bandwidth for the left-hand circular polarization is 2.47 GHz (76%) from 2.00 to 4.47 GHz; meanwhile, the measured impedance bandwidth of a reflection coefficient less than -10 dB ranges from 1.22 to 5.97 GHz, a 4.75-GHz impedance bandwidth (133%).
引用
收藏
页码：4095 / 4098
页数：5
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