A broadband and low cross polarization antenna with a balun of microstrip line coupling to slot line

被引：0

作者：

Sun, Kai ^{[1
]}

Yang, Deqiang ^{[1
]}

Liu, Sihao ^{[2
]}

Yang, Tianming ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu, Sichuan, Peoples R China

[2] Univ Elect Sci & Technol China, Sch Energy Sci & Engn, Chengdu, Sichuan, Peoples R China

来源：

PLOS ONE | 2018年 / 13卷 / 03期

关键词：

QUASI-YAGI ANTENNA; WIDE-BAND; BOWTIE ANTENNA;

D O I：

10.1371/journal.pone.0194181

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

In this paper, a wide-band low cross polarization antenna with a structure of microstrip line coupling to slot line as the balun is proposed. The radiation part of the antenna is fed by two pairs of parallel transmission line via a transition from a slot line which is coupled by a micro strip line. Because it is fed by parallel transmission lines, which is balanced-fed structure, the antenna can achieve an improved low cross-polarization performance. The height of the antenna is 0.146A0 (A0 is the wavelength of lowest frequency). The prototype antenna demonstrates a measured impedance bandwidth of 93.5% (2.7-7.44 GHz), a 3-dB-gain bandwidth of 77% (2.7-6.1 GHz), and a maximum gain of 10.5 dBi at 4.5 GHz.

引用

页数：8