Design of an Ultra-Wideband Tightly Coupled Dipole Array

被引：0
|
作者：
Wang, Tianyu [1 ]
Chen, Yikai [1 ]
Yang, Shiwen [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 611731, Peoples R China
来源：
2019 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2019) | 2019年
关键词：
Tightly Coupled Dipole Array; Unbalanced feed; Ultra-wideband; Low profile;
D O I：
10.1109/icmmt45702.2019.8992525
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 low profile ultra-wideband tightly coupled dipole array with a bandwidth of 14.5:1 is proposed in this paper. A simple unbalanced feed structure that consists of a stripline and a parallel transmission line is employed to excite the tightly coupled dipoles and a resistive sheet is used to broaden the bandwidth. Simulated results have shown that the array can operate from 0.2 to 2.9 GHz with VSWR < 2.5 at broadside, which means an ultra-wideband bandwidth is obtained. It is also worthwhile to mention that the total height of the antenna above the ground plane is 0.083 lambda(L) (the wavelength of the lowest frequency), indicating that the antenna achieves a low profile performance.
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页数：2
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