Wide stopband bandpass filter implemented with lumped capacitor-based coupling structure

A novel wide stopband bandpass filter implemented with lumped capacitor-based coupling structure is presented in this paper. Lumped-capacitors, instead of traditional parallel-coupled lines, are employed to provide the desired coupling strength between the resonance elements. And certain coupling re...

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Bibliographic Details
Published in2016 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) pp. 1 - 3
Main Authors Lu, Y.-L, Lin, W.-T, Hua, C.-Z, Xu, G.-M, Liu, T.-J
Format Conference Proceeding
LanguageEnglish
Published IEEE 05.07.2016
Subjects
Band-pass filters
Couplings
Decision support systems
Frequency measurement
Harmonic analysis
Q measurement
Wireless communication
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Summary:A novel wide stopband bandpass filter implemented with lumped capacitor-based coupling structure is presented in this paper. Lumped-capacitors, instead of traditional parallel-coupled lines, are employed to provide the desired coupling strength between the resonance elements. And certain coupling regions are replaced by coupling points. For verification, an experimental bandpass filter operating at 1.62 GHz with 2nd and 3rd harmonics suppression is demonstrated. The measured results exhibit good agreement with the full-wave simulation results, validating the proposed design approach.
DOI:10.1109/iWEM.2016.7505070