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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Compact substrate-integrated waveguide bandpass rat-race coupler and its microwave applications
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Compact substrate-integrated waveguide bandpass rat-race coupler and its microwave applications

机译：紧凑型基片集成波导带通鼠-种族耦合器及其微波应用

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摘要

A reduced size rat-race coupler incorporating a bandpass frequency response characteristic is presented and designed based on substrate-integrated waveguide (SIW) technology. By use of electric- and magnetic-coupling structures between adjacent SIW cavity resonators, a conventional rat-race coupler and a bandpass filter with a 200-MHz bandwidth at a centre frequency of 7.75 GHz can be integrated as one component resulting in miniaturisation. A design process based on the coupled-resonator network is introduced to synthesise such a bandpass coupler with desired bandwidth, return loss and coupling. A Butler matrix and a six-port junction with bandpass response are then developed based on the proposed rat-race coupler. They represent excellent candidates for miniaturised transceiver and direct conversion systems. The measured results are in good agreement with the simulated predictions.
机译：基于基片集成波导（SIW）技术，提出并设计了一种具有带通频率响应特性的减小尺寸的鼠-种族耦合器。通过使用相邻的SIW腔谐振器之间的电耦合和磁耦合结构，可以将常规的大鼠种族耦合器和在7.75 GHz中心频率具有200MHz带宽的带通滤波器集成为一个组件，从而实现小型化。引入了基于耦合谐振器网络的设计过程，以合成具有所需带宽，回波损耗和耦合的带通耦合器。然后，基于拟议的大鼠-种族耦合器，开发了一个带通响应的巴特勒矩阵和一个六端口结。它们代表了小型收发器和直接转换系统的优秀候选者。测量结果与模拟预测值吻合良好。

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  • 来源
    《Microwaves, Antennas & Propagation, IET》 |2012年第9期|p.1000-1006|共7页
  • 作者

    Cheng Y.J.; Fan Y.;

  • 作者单位

    Fundamental Science on Extreme High Frequency Laboratory, School of Electronic Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, People's Republic of China;

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