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首页> 外文期刊>Applied Computational Electromagnetics Society journal >Compact Substrate Integrated Waveguide Band-pass Rat-race Couplers Based on Mixed Shape Cavity with Flexible Port Topology
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Compact Substrate Integrated Waveguide Band-pass Rat-race Couplers Based on Mixed Shape Cavity with Flexible Port Topology

机译：紧凑型基板集成波导带通鼠比赛耦合器，基于混合形状腔，具有柔性端口拓扑

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摘要

A new type of compact band-pass rat-race couplers with flexible port topology based on mixed shape substrate integrated waveguide (SIW) cavity is first proposed in this paper. Moreover, composite right/left-handed (CRLH) SIW unit loaded on the common wall between cavities is used to achieve negative coupling structure. The diameter of the vias on the common wall related CRLH-SIW unit is also used to adjust the electric coupling strength and increase the coupling bandwidth. The detailed analysis and the design method have been introduced to realize a filtering rat-race coupler based on substrate integrated fan-shaped cavity (SIFC) and rectangular cavity (SIRC). In particular, the combination of mixed shape resonators and port location in rectangular resonators can be selected according to the requirement of port angle interval. Compared with other filtering couplers, the proposed designs exhibit good filtering responses, high Q factor, better isolation, multiple port angle intervals, amplitude balance, as well as 0 degrees and 180 degrees phase differences.
机译：本文首先提出了一种具有柔性端口拓扑的新型紧凑型带式栅极耦合器，本文首先提出了基于混合形状基板集成波导（SiW）腔体。此外，用于在空腔之间的公共壁上装载的复合右/左手（CRLH）SIW单元来实现负耦合结构。公共壁相关CRLH-SIW单元上的通孔的直径也用于调节电耦合强度并增加耦合带宽。已经引入了详细的分析和设计方法，以实现基于基板上一体扇形腔（SIFC）和矩形腔（SIRC）的过滤大鼠血管耦合器。特别地，可以根据端口角度间隔的要求选择混合形状谐振器和端口位置的组合。与其他过滤耦合器相比，所提出的设计表现出良好的过滤响应，高Q因子，更好的隔离，多个端口角度间隔，幅度平衡以及0度和180度差异。

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