DOI:10.20079/j.issn.1001-893x.211104003引用格式:陈锡聪,林福民,周冬跃,等.4.9GHz小型化集成相控阵天线设计[J].电讯技术,2023,63(2):267-274.[CHENXC,LINFM,ZHOUDY,etal.Designofa4.9GHzminiaturizedintegratedphasedarrayantenna[J].TelecommunicationEngineering,2023,63(2):267-274.]4.9GHz小型化集成相控阵天线设计*陈锡聪,林福民,周冬跃,李红涛,王媛媛(广东工业大学物理与光电工程学院,广州510006)摘要:设计了一种相位控制和馈电一体化的8×8相控阵天线。将多路微带线功分器和移相器芯片集成于同一片电路板作为馈电网络并压合于阵列天线背面,形成了单端口馈电的64单元集成相控阵天线。该相控阵天线整体厚度仅2.25mm,馈电端口至天线单元之间没有任何连接电缆,具有低剖面小型化和一体化的显著优点。电磁仿真结果显示,4.9GHz的回波损耗小于-25dB,最大增益为22.5dB。此外,主极化和交叉极化隔离度为30dB,主波束可实现-58°~62°平面扫描,具有较好的交叉极化和波束宽角域连续扫描特性,可应用于5G移动通信小型基站。关键词:5G基站;小型化相控阵天线;宽角域连续扫描;交叉极化开放科学(资源服务)标识码(OSID):微信扫描二维码听独家语音释文与作者在线交流享本刊专属服务中图分类号:TN821文献标志码:A文章编号:1001-893X(2023)02-0267-08Designofa4.9GHzMiniaturizedIntegratedPhasedArrayAntennaCHENXicong,LINFumin,ZHOUDongyue,LIHongtao,WANGYuanyuan(SchoolofPhysicsandOptoelectronicEngineering,GuangdongUniversityofTechnology,Guangzhou510006,China)Abstract:An8×8phasedarrayantennawithintegratedphasecontrolandfeedingisdesigned.Byintegratingthemulti-channelmicrostrippowerdividerandphaseshifterchiponthesamecircuitboardasthefeedingnetwork,andpressingthemonthebackofthearrayantenna,a64-unitintegratedphasedarrayantennawithsinglefeedportisformed.Withthesignificantadvantagesoflowprofileminiaturizationandintegration,theoverallthicknessofthephasedarrayantennaisonly2.25mmandnoconnectingcablesarebetweenthefeedportandtheantennaunit.Theelectromagneticsimulationresultsshowthatthereturnlossofthephasedarrayantennaislessthan-25dB,andthemaximumgainis22.5dBat4.9GHz.Inaddition,theisolationbetweenmainpolarizationandc...