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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2023-08-20
Design of Compact SIW Bandpass Filter with High Selectivity
By
Yudan Wu,

    Dr. Yudan Wu

    Shanghai Radio Equipment Research Institute

    China

    Homepage

Yingjie Yu,

    Dr. Yingjie Yu

    Shanghai Electro-mechanical Engineering Institute

    China

    Homepage

Ping Su,

    Dr. Ping Su

    Shanghai Radio Equipment Research Institute

    China

    Homepage

Xiang Zhang,

    Dr. Xiang Zhang

    Shanghai Radio Equipment Research Institute

    China

    Homepage

Licong Wang,

    Dr. Licong Wang

    Shanghai Radio Equipment Research Institute

    China

    Homepage

Shuaishuai Wang

    Dr. Shuaishuai Wang

    Shanghai Radio Equipment Research Institute

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 112, 35-40, 2023
doi:10.2528/PIERL23071003 | Google Scholar

Abstract
In this paper, a method of designing a SIW (Substrate Integrated Waveguide) bandpass filter with high selectivity is proposed. Four resonant cavities of the proposed filter are arranged in straight line. The microstrip gradient line is directly fed into the cavities. Two U-shaped slots are etched on the top face of each cavity which will result in the resonant modes reduced and the high modes of SIW cavity pushed far away from the dominant resonant mode. Thus the filter will have both the features of compact size and wide stopband. The center frequency of the filter is designed at 5.2 GHz. The measured results are highly matched with the simulated ones.
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Citation
Yudan Wu, Yingjie Yu, Ping Su, Xiang Zhang, Licong Wang, and Shuaishuai Wang, "Design of Compact SIW Bandpass Filter with High Selectivity," Progress In Electromagnetics Research Letters, Vol. 112, 35-40, 2023.
doi:10.2528/PIERL23071003
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