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基片集成波导缝隙式滤波器的设计与实现

更新时间:2020-09-11 06:36:32 大小:2M 上传用户:IC老兵查看TA发布的资源 标签:滤波器 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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基于基片集成波导技术和印刷电路板工艺设计、CST软件模拟,实现了一种四缝隙和五缝隙基片集成波导缝隙式滤波器。仿真结果和实验结果吻合良好。滤波器的中心频率分别为15.85GHz和34GHz,相对3dB带宽为11.9%和12.9%,插损分别为1.4dB和2.9dB,且具有良好的选择性。与传统的基片集成波导谐振腔式滤波器相比,这种滤波器可以提供更宽的阻带且便于后期调试。

This paper presents the design and experiment of the SIW (Substrate Integrated Waveguide) slot filter. Four-slot and five-slot SIW filters are simulated by using CST software and fabricated with a single layer standard printed circuit board process. The measured results are in good agreement with the simulated data. These two kinds of filters have the following performences respectively, the center frequency of 15. 85 GHz and 34 GHz with the fractional 3 dB bandwidth of 11.9% and 12.9%, and the insertion loss of 1.4 dB and 2.9 dB. The proposed filters show good selectivity and have advantages of wider stop-band and easier tuning compared with traditional SIW direct coupled filter.

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基片集成波导缝隙式滤波器的设计与实现.pdf 2M

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