一种用于集成天线封装(AiP)的低剖面、低成本的毫米波微带天线设计  

Design of a low-profile and low-cost millimeter-wave microstrip antenna for antenna-in-package(AiP) integration

作　　者：汪鑫[1,2] 王启东 曹立强[1,2] WANG Xin;WANG Qidong;CAO Liqiang(Institute of Microelectronics,Chinese Academy of Sciences,Beijing 100029,China;National Center for Advanced Packaging Co.,Ltd.,Wuxi 214135,China)

机构地区：[1]中国科学院微电子研究所,北京100029 [2]华进半导体封装先导技术研发中心有限公司,江苏无锡214135

出　　处：《现代电子技术》2017年第19期1-5,共5页Modern Electronics Technique

基　　金：国家科技重大专项03课题资助项目(2014ZX03001015);国家科技重大专项13课题资助项目(2013ZX02502)

摘　　要：讨论了毫米波微带天线的工作原理、结构及其与射频前端的集成。介绍了基于CST STUDIO SUITE 2014软件设计中心频率为27 GHz微带天线的整个设计流程。设计了以Rogers 5880有机基板为介质材料的27 GHz毫米波微带天线,相对于以LTCC为介质的天线拥有低成本、低剖面的优点。提出一种毫米波微带天线与射频前端的集成方案,建立了天线与帯通滤波器仿真模型并提取S参数。论证毫米波微带天线与射频前端集成的可行性。所设计的微带天线尺寸只有3.8 mm×3.5 mm,天线的增益达到了7.62 d Bi,辐射效率高达93%,相对带宽为2.3%,且实测值与仿真值吻合得很好,验证了设计的正确性。The working principle and structure of millimeter-wave microstrip antenna and its integration with RF front-endare discussed.The whole design process of the microstrip antenna(whose center frequency is27GHz)based on CST STUDIOSUITE2014software is introduced.The millimeter-wave microstrip antenna working at27GHz was design,in which the Rogers5880organic substrate is utilized as the dielectric material.It has the advantages of low cost and low profile in comparison withthe antenna taking LTCC as its dielectric.An integration scheme for millimeter-wave microstrip antenna and RF front-end is presented.The simulation model of the antenna and band-pass filter(BPF)is established,and the S-parameter is extracted.Thefeasibility of the integration for millimeter-wave microstrip antenna and RF front-end is discussed.The size of the designed microstrip antenna is only3.8mm×3.5mm,the gain of the antenna can reach up to7.62dBi,the radiation efficiency can reachup to93%,and the relative bandwidth is2.3%.The measured results are in good agreement with the simulation values,whichcan verify the validity of the design.

关 键 词：毫米波 微带天线 系统集成 辐射效率 

分 类 号：TN82-34[电子电信—信息与通信工程]