Wideband circularly polarized microstrip antenna array using a new single feed network

被引：26
|
作者：
Nasimuddin [1 ]
Chen, Zhi Ning [1 ]
Esselle, K. P. [2 ]
机构：
[1] Inst Infocomm Res, Singapore, Singapore
[2] Macquarie Univ, ICS Div, Sydney, NSW 2109, Australia
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2008年 / 50卷 / 07期
关键词：
stacked microstrip antennas; circular polarization; axial-ratio; wideband; single feed; array;
D O I：
10.1002/mop.23481
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 single feed system is presented for broadband and high gain circularly polarized stacked microstrip (CPSM) array applications. It consists of a combination of a microstrip line and a via. The gap between elements and location of the feed are optimized to achieve a good circular polarization (CP) performance with high gain. A 2 x 2 sequentially rotated array was fabricated and tested. The measured 3 dB axial-ratio (AR) bandwidth is 27% (3.5-4.6 GHz) and at boresight gain is 9.0 dBic over the 3 dB AR bandwidth. The measured 10 dB return loss impedance bandwidth is around 51% (3.28-5.54 GHz). The proposed new feeding network system is very useful to design the high gain and wideband CP array ha a space-limited environment. (C) 2008 Wiley Periodicals, Inc.
引用
收藏
页码：1784 / 1789
页数：6
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