Three-fourths-mode substrate-integrated waveguide for tri-band bandpass filter

Lin Yang Weng, Wen Hua Tu

研究成果: 雜誌貢獻期刊論文同行評審

摘要

In this letter, a novel three-fourths-mode substrate-integrated waveguide (TFMSIW) single-band bandpass filter (BPF), and a TFMSIW tri-band BPF are proposed for the first time. The resonant modes of a TFMSIW cavity are analyzed first to show their unload quality factors and both electric and magnetic field distributions. Based on the characteristics of the TFMSIW cavities, a single-band BPF prototype is introduced. Moreover, with multiple coupling windows for respective passbands, a further application to tri-band BPFs is studied. Consequently, two cases of tri-band BPF are designed, fabricated, and tested for demonstration.

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文章編號e34032
期刊Microwave and Optical Technology Letters
66
發行號1
DOIs
出版狀態已出版 - 1月 2024

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