Design of a Novel Quarter-Mode Substrate-Integrated Waveguide Filter With Multiple Transmission Zeros and Higher Mode Suppressions

Xiao-Long Huang,Liang Zhou,Matthias Volkel,Amelie Hagelauer,Jun-Fa Mao,Robert Weigel

IEEE Transactions on Microwave Theory and Techniques（2018）

引用 25|浏览8

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摘要

This paper presents a novel quarter-mode packaged bandpass filter with four transmission zeros (TZs) in substrate-integrated waveguide (SIW) technology. The filter has an insertion loss of 2.85 dB at 30 GHz and fractional bandwidth of 20%. The design methodology of the TZs was first demonstrated to increase the attenuations of the filter stopband. The quarter-mode SIW resonators were analyzed with...

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关键词

Impedance,Power transmission lines,Scattering parameters,Filtering theory,Couplings,Transmission line matrix methods,Microwave theory and techniques

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