Dual-frequency microstrip antennas

被引：0
|
作者：
Chuo, FP [1 ]
Chen, TR [1 ]
Row, JS [1 ]
机构：
[1] Natl Changhua Univ Educ, Dept Elect Engn, Changhua 500, Taiwan
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2005年 / 45卷 / 01期
关键词：
dual-frequency; dual-polarization; microstrip antenna;
D O I：
10.1002/mop.20705
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：
This paper presents the design of a dual-port microstrip patch antenna with dual-frequency operation. Two different feed mechanisms-aperture coupling and inset coplanar microstrip line-are used to excite the TM(10) and TM(01) modes, respectively on a single square patch. The frequency ratio of the proposed dual-frequency microstrip antenna can be varied by changing the inset length of the coplanar microstrip line while the peripheral dimensions of the patch are fixed. Several prototype antennas operating at frequency ratios ranging from 1.04 to 1.36 are constructed and tested. The experimental results show that the isolation level between the two input ports of the proposed dual-frequency antenna is primarily determined by its operating-frequency ratio. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：3 / 5
页数：3
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