Wideband Microstrip-Line-Fed Circularly Polarized Slot Antenna with Open Slot Structure

被引：0
|
作者：
Pan, Chien-Yuan [1 ]
Peng, Zi-Rong [1 ]
Jan, Jen-Yea [1 ]
Wu, Bo-Yao [1 ]
机构：
[1] Natl Kaohsiung Univ Appl Sci, Dept Elect Engn, Kaohsiung, Taiwan
来源：
2014 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2014年
关键词：
circularly polarized (CP); open C-slot; semi-circle-shaped patch; magnetic current; axial ratio (AR);
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 new wideband circularly polarized (CP) slot antenna with open slot structure using a microstrip-line for feeding is presented. The proposed antenna consists of an open C-slot with a straight slit on the ground plane, and a microstrip-line with a semi-circle-shaped patch on the other side of the substrate. The antenna size is reduced by about 35% compared with the circular slot antenna. By using the semi-circle-shaped patch to disturb the magnetic current distribution on the open C-slot, a wider CP bandwidth can be achieved. The measured results show that the proposed antenna can provide a 3 dB axial ratio (AR) bandwidth of 40% (4.1-6.2 GHz) and a 10 dB return loss impedance bandwidth of 107% (2.3-7.6 GHz).
引用
收藏
页码：517 / 518
页数：2
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