基于微带双脊间隙波导技术的Ka波段六端口网络电路  

Ka-band Six-port Network Circuit Based on Microstrip Double Ridge Gap Waveguide Technology

作　　者：包建晔 姜勋 施永荣[2] BAO Jianye;JIANG Xun;SHI Yongrong(Hefei Yunzhiwei Electronic Co.Ltd.,Hefei 230022,China;College of Electronic and Information Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 211106,China;ZNDY Ministerial Key Laboratory,Nanjing University of Science and Technology,Nanjing 210094,China)

机构地区：[1]合肥云之微电子有限公司,合肥230022 [2]南京航空航天大学电子信息工程学院,南京211106 [3]南京理工大学ZNDY重点实验室,南京210094

出　　处：《微波学报》2024年第2期84-89,共6页Journal of Microwaves

基　　金：国家自然科学基金(61971387);中央高校基本科研业务费(NE2020003)。

摘　　要：面向毫米波高精度雷达探测应用,文中提出了一种基于微带双脊间隙波导技术的六端口网络电路。设计了基于微带双脊间隙波导的功分器和耦合器电路,提出了微带双脊间隙波导至微带线的新型过渡转换结构,并基于简化的六端口网络原理框图,将所设计的功分器、耦合器以及过渡转换结构进行有机组合,实现了所设计的Ka波段六端口网络电路。实验测试结果表明:在所设计的37.5 GHz~42.5 GHz频率范围内,输入端口1与四个输出端口间的相位差均在±2.5°以内,输入端口2与四个输出端口间的相位差均在±5°内,工作中心频率处的输入输出间插入损耗约为7.3 dB。实验与仿真结果吻合较好。For millimeter-wave high precision radar detection application,a six-port network circuit based on microstrip double ridge gap waveguide(M-DRGW)has been proposed in this paper.The key circuits of power divider and coupler are designed based on the M-DRGW,and a novel transition between M-DRGW and microstrip is designed.The M-DRGW Ka-band six-port network is constructed based on the above circuits according to the simplified six-port network diagram.The measured results show that within the designed frequency range 37.5 GHz~42.5 GHz the phase differences between port 1/port 2 and the other four output ports are,respectively,within±2.5°and±5°,and the insertion loss is about 7.3 dB at the middle working frequency.There is a consistence between the measured results and the simulated ones.

关 键 词：微带双脊间隙波导 六端口网络电路 功分器 耦合器 过渡转换 

分 类 号：TN711[电子电信—电路与系统] TN814