A Compact and Broadband Chip-Resistor Loaded Circularly Polarized Microstrip Antenna

被引：1
|
作者：
Cao, Wenquan [1 ,2 ]
Zhang, Bangning [1 ]
Yu, Tongbin [1 ]
Liu, Aijun [1 ]
Guo, Daosheng [1 ]
Qian, Zuping [1 ]
机构：
[1] PLA Univ Sci & Technol, Inst Commun Engn, Nanjing 210007, Peoples R China
[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing, Peoples R China
来源：
FREQUENZ | 2011年 / 65卷 / 5-6期
基金：
美国国家科学基金会;
关键词：
Broadband AR; circularly polarized (CP); resistor load; capacitive coupled feeding;
D O I：
10.1515/FREQ.2011.021
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 single-feed circularly polarized (CP) microstrip antenna (MPA) is presented. Capacitive disk coupling feed is used in the proposed antenna. With a resistor load connecting with another capacitive disk at the opposite position, CP radiation over a wide frequency band is realized. Experimental results show that the fabricated antenna has a -10 dB impedance bandwidth of 36.5%, and a 3-dB axial ratio (AR) bandwidth of 15.5% at the center frequency 2 GHz, and owns feature of low profile (0.67 lambda x 0.47 lambda x 0.0402 lambda). This antenna can be used in occasions when wide CP performance and compactness is desired.
引用
收藏
页码：131 / 136
页数：6
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