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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-08-23
A Novel Triple-Mode Bandpass Filter Using Half-Wavelength-Resonator-Coupled Square-Loop Resonator
By
Zhi-Chong Zhang,

    Dr. Zhi-Chong Zhang

    College of Electronic and Information Engineering

    Jinggangshan University

    China

    Homepage

Wen-Lang Luo

    Dr. Wen-Lang Luo

    College of Electronic and Information Engineering

    Jinggangshan University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 78, 31-37, 2018
doi:10.2528/PIERL18063002 | Google Scholar

Abstract
A novel triple-mode bandpass filter (BPF) using half-wavelength-resonator-coupled square-loop resonator is developed in this letter. The half wavelength resonator is applied to add an additional path, which increases a pole in the passband and a transmission zero in the stopband. Furthermore, the coupling scheme is used to accurately predict its desired performance. Compared to the conventional square-loop dual-mode filter, higher frequency selectivity and wider bandwidth are achieved. Finally, this filter is designed, fabricated and measured. Good agreement is achieved among the theoretical, simulated and measured results. All of these results validate our design idea.
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Citation
Zhi-Chong Zhang, and Wen-Lang Luo, "A Novel Triple-Mode Bandpass Filter Using Half-Wavelength-Resonator-Coupled Square-Loop Resonator," Progress In Electromagnetics Research Letters, Vol. 78, 31-37, 2018.
doi:10.2528/PIERL18063002
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