Unequal Bandpass Filtering Power Divider Based on Hybrid HMSIW-SSPP Modes

Unequal Bandpass Filtering Power Divider Based on Hybrid HMSIW-SSPP Modes
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基于混合HMSIW-SSPP模式的不等带通滤波功率分配器

DOI:
10.3389/fphy.2022.851150
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发表时间:
2022-02
影响因子:
3.1
通讯作者:
Guo Qing Luo
Guo Qing Luo
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Bai Cao Pan;Ping Yu;Ben Jian Guo;Ya Hui Qian;Guo Qing Luo

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这封信提出了一种基于半模衬底集成波导(HMSIW)和欺骗表面等离子体激元(SSPP)混合模式的新型不等带通滤波功率分配器。带通响应是通过同时结合 HMSIW 和 SSPP 的传输特性来实现的。通过简单地优化 HMSIW 和 SSPP 的尺寸,可以在很宽的范围内设计工作带宽。此外,在基板底部蚀刻有缺陷的接地结构(DGS)以改善带外抑制。所提出的不等功率分配器的功率分配比最终优化为1:3。测量结果与模拟结果一致。这种设计可在6.5至9.5GHz的宽频率范围内提供稳定的功率分配。
This letter presents a novel unequal bandpass filtering power divider based on hybrid-mode of half mode substrate integrated waveguide (HMSIW) and spoof surface plasmon polaritons (SSPPs). Bandpass response is achieved by combining the transmission properties of HMSIW and SSPPs simultaneously. The operating bandwidth can be designed in a wide range by simply optimizing the dimensions of HMSIW and SSPPs. In addition, defected ground structures (DGSs) are etched on the bottom of the substrate to improve out-of-band suppression. The power division ratio of the proposed unequal power divider is finally optimized to 1:3. The measured results agree with the simulated one. Such design provides a stable power division within wide frequency range from 6.5 to 9.5GHz.
基于互补单裂环谐振器对的复合右/左手传输线和使用分形几何的紧凑功率分配器应用
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