Design of Vivaldi Antenna with Ultra-wide Passband and A Band Notch

被引：1
|
作者：
Sun, Xiao-Yuan [1 ]
Guo, Ke-Xin [1 ]
Wu, Bian [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
来源：
2022 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2022年
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Vivaldi antenna; ultra-wideband (UWB); Band notch;
D O I：
10.1109/ISAP53582.2022.9998745
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：
In this paper, a novel Vivaldi antenna with ultra-wide passband and a band notch without extra loading is proposed. The Vivaldi antenna is fed by a gradient microstrip line for the wideband match and has a rectangular groove at one side of the slot-line. The phase difference of the current between the two sides of the slot-line is disturbed seriously as the length of the rectangular groove is close to a quarter wavelength at the suppressed frequency. Therefore, the antenna obtains adjustable band notch characteristic by simply changing the length of the rectangular groove. Simulation results show that the proposed antenna provides ultra-wide bandwidth as well as a notch inside the passband with good narrow band suppression.
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页码：67 / 68
页数：2
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