K波段波导-微带转换装置的设计  

Design of K-Band Waveguide-Microstrip Transition

作　　者：张春艳[1] 

机构地区：[1]电子科技大学物理电子学院,四川成都610054

出　　处：《真空电子技术》2013年第2期39-42,共4页Vacuum Electronics

基　　金：国家国际科技合作专项项目(2011DFA63190)

摘　　要：应用微带探针直接插入波导的激励方法设计了一种用于毫米波MMIC电路的波导-微带转换装置。运用微带探针直接插入波导的激励方法,使得整体结构更加简单、紧凑,并且具有无需焊接和安装方便等优点。但一段耦合线E面微带探针的带宽比较窄,不能满足实际需要,所以把波导内的一段耦合线E面微带探针改进为两段耦合线E面微带探针。利用三维仿真软件HFSS对K波段E面探针方式波导-微带转换装置进行了仿真与优化设计,结果表明在16～20.8GHz的带宽内端口反射小于-20dB,带内损耗小于0.1dB,设计基本合理。A driven method using microstrip probe directly into the waveguide was introduced in this paper.With this method,a conversion device for microstrip and waveguide was designed,this device could be applied to millimeter wave MMIC circuit.The driven method which microstrip probe was directly into the waveguide,made the whole structure simple,compact,and be with the advantage of no welding and convenient installation.While the bandwidth of a coupled line for E plane microstrip probe was narrow,could not meet the needs in actual,so a coupled line for E plane microstrip probe in waveguide was improved to two parts.The E plane probe within K band in waveguide-microstrip transition device was simulated and optimized with the 3D simulation software HFSS.The results showed that the port reflection within 16 GHz-20.8 GHz bandwidth was less than-20 dB,and the loss within band was less than 0.1 dB,the design was reasonable.

关 键 词：波导 微带 波导-微带转换器 

分 类 号：TN814[电子电信—信息与通信工程]