一种工作于4GHz的正方形微带巴伦设计

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英文篇名：Design of a Square Microstrip Balun Working at 4 GHz 作者：汪海鹏 ; 杨曙辉 ; 陈迎潮 ; 冯梦璐 英文作者：WANG Haipeng;YANG Shuhui;CHEN Yinchao;FENG Menglu;Internet of Things Technology Application Institute,CASC;Department of Communication Engineering,Communication University of China;Electrical Engineering School,University of South Carolina;Information and Communication Engineering Institute,Beijing Information and Science Technology; 关键词：微带巴伦 ; S参数 ; 奇偶模 ; 四端口网络 英文关键词：microstrip balun;;s parameter;;even-odd mode;;four-port network 中文刊名：DZQJ 英文刊名：Chinese Journal of Electron Devices 机构：中国航天科技集团公司物联网技术应用研究院;中国传媒大学通信工程系;南卡罗来纳大学电气工程系;北京信息科技大学信息与通信工程学院; 出版日期：2016-08-20 出版单位：电子器件 年：2016 期：v.39 基金：国家自然科学基金项目(61171039) 语种：中文; 页：DZQJ201604001 页数：4 CN：04 ISSN：32-1416/TN 分类号：5-8

摘要

传统结构巴伦是一端开路的对称四端口网络,在奇偶模分析的基础上,对传统的巴伦结构进行改进,设计了一种工作于4 GHz的正方形微带巴伦。利用HFSS进行仿真分析,并加工成实物。测试结果表明,在3.7 GHz~5 GHz范围内,|S_(11)|大于10 d B;在工作频段内,|S_(21)|与|S_(31)|均小于4 d B,S_(21)与S_(31)之间的相位差在178°到183°范围内。该巴伦结构简单、实现成本较低,可应用于无线局域网、射频识别等领域。
        The traditional structure of balun is a symmetrical four-port network with the fourth port open-circuited.It has been analyzed using the even-odd mode method. A square microstrip balun working at 4 GHz is improved. Itwas fabricated after being simulated by employing the HFSS software. The measured results show that,|S_(11)| is morethan 10 d B from 3.7 GHz to 5 GHz,|S_(21)| and |S_(31)| are less than 4 d B at the range of working band. Besides,the differ-ence phase of S_(21) and S_(31) is about 178 degree to 183 degree. The proposed balun has a simple structure with a lowercost,and can be used in the application of wireless local area network(WLAN)and radio frequency identification(RFID),etc.

引文

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