超宽带巴伦的研究与设计  

The Research and Design of a New Ultra Wide-band Balun

作　　者：乔冬春[1] 戴永胜[1] 

机构地区：[1]南京理工大学电子工程与光电技术学院,南京210094

出　　处：《固体电子学研究与进展》2016年第2期128-131,共4页Research & Progress of SSE

基　　金：国家重点基础研究发展973计划资助项目(2009CB320201);国家国防重点实验室基金资助项目(9140C1402021102)

摘　　要：首次提出一种新型超宽带巴伦的设计与实现方法。采用共面波导及共面带状线代替传统微带线结构,显现出超宽带的特性,同时这种结构具有幅度平坦、相位一致、误差敏感度低等优点,极易加工制作成产品。根据项目需求,最终设计出一款中心频率为4.8GHz、带宽4.8GHz、相对带宽达到100%、尺寸为8mm×12mm×0.1mm、幅度平坦度高、相位一致性好及各项性能均优异的超宽带巴伦。本文就该巴伦的设计思路、工作原理及三维结构进行分析。In this paper,a new method of designing and implementing ultra wide-band balun was firstly proposed.The adoption of Coplanar waveguide and Coplanar strip-line instead of traditional microstrip structure showed its characteristics of UWB.At the same time,this structure had the advantages of magnitude flatness,phase consistency and low error sensitivity,so it would be very convenient to be fabricated into products.According to the requirements of current project,a balun was finally designed with center frequency of 4.8 GHz and bandwidth of 4.8GHz,and the relative bandwidth could reach 100%.The size of the balun is 8 mm×12 mm×0.1mm,with the excellent performance of amplitude flatness and phase consistency.The design method,working principles and three-dimensional structure of this balun were presented in detail in this paper.

关 键 词：超宽带 耦合 巴伦 共面波导 共面带状线 

分 类 号：TN925[电子电信—通信与信息系统]