Wideband High-Efficiency Circularly Polarized Transmit-Array Antenna

被引：0
|
作者：
Zheng, Bin [1 ]
Yang, Hai Ning [1 ]
Fan, Yong [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu, Peoples R China
来源：
2022 IEEE MTT-S INTERNATIONAL MICROWAVE WORKSHOP SERIES ON ADVANCED MATERIALS AND PROCESSES FOR RF AND THZ APPLICATIONS, IMWS-AMP | 2022年
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1109/IMWS-AMP54652.2022.10107067
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 wideband high-efficiency circularly polarized transmit-array antenna at 20.5GHz is proposed in this paper. The transmit-array is based on a unit-cell consisting of two single-arm Archimedes spiral elements fed by the metalized via. The unit-cell can achieve less than 0.5dB insertion loss at wide bandwidth. The proposed transmit-array is designed and exhibits a maximum gain of 29.4dBi, a peak aperture efficiency of 65% at 20.5GHz. The 1-dB gain-bandwidth equals 16.5% from 19.5GHz to 23GHz.
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页数：3
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