用于天线阵馈电的新型三等分功分器设计

为了解决传统三等分功分器输出支路跨接隔离电阻实现困难的问题，基于Wilkinson 功率分配器设计理论，通过引入二分之一波长微带传输线，提出了一种新型微带三等分功率 分配器的设计方法。基于此方法，设计了一款应用于海事卫星通信频段的对称结构三等分功 分器。实测结果表明该功分器在整个设计频带内各端口匹配好，各输出支路等分度好、隔 离度高。该功分器已成功应用于天线阵馈电网络的设计。

Design of a new three-way equal power divider for antenna array feeding network

In order to solve the problem that it is difficult to realize installation isola tion resistor across each outputs, the design and development of a new type o f three-way microstrip equal power divider are presented in this paper. It is r ealized by introducing a half-wavelength microstrip transmission line based on W ilkinson power divider design theory. A symmetry three-way equal power divider i s designed for maritime satellite communication application. The measured results show that it has a good matching at each port and a high isolation between each outputs. It has been successfully applied in the design of antenna arra y feeding network.