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2021-01-13
Dual-Band Bandpass Filter Design Using Stub-Loaded Hairpin Resonator and Meandering Uniform Impedance Resonator
By
Yunxiu Wang,

    Professor Yunxiu Wang

    School of Physics and Electronic Information

    China West Normal University

    China

    Homepage

Yuan Li Chen,

    Dr. Yuan Li Chen

    School of Electronic and Information Engineering

    China West Normal University

    China

    Homepage

Wen Hui Zhou,

    Dr. Wen Hui Zhou

    School of Electronic and Information Engineering

    China West Normal University

    China

    Homepage

Wei Chao Yang,

    Dr. Wei Chao Yang

    School of Electronic and Information Engineering

    China West Normal University

    China

    Homepage

Jin Zen

    Dr. Jin Zen

    School of Electronic and Information Engineering

    China West Normal University

    China

    Homepage

Progress In Electromagnetics Research Letters, Vol. 95, 147-153, 2021
doi:10.2528/PIERL20102102 | Google Scholar

Abstract
A novel microstrip dual-band bandpass filter (BPF) by coupling a stub-loaded hairpin resonator and two stub-loaded uniform impedance resonators (UIRs) is proposed. First, a open-ended stub is tap-connected to a meandering UIR at its centre, and these two stub-loaded meandering UIRs are further placed at symmetrical locations with respect to a stub-loaded hairpin resonator. Secondly, by introducing two parallel coupled lines at the two sides of the stub-loaded hairpin resonator, a dual-band BPF with two passbands at 2.4 GHz and 5.2 GHz is constructed. Finally, a prototype filter is designed and fabricated, and its measured results are provided to verify the predicted dual-band filter design.
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Citation
Yunxiu Wang, Yuan Li Chen, Wen Hui Zhou, Wei Chao Yang, and Jin Zen, "Dual-Band Bandpass Filter Design Using Stub-Loaded Hairpin Resonator and Meandering Uniform Impedance Resonator," Progress In Electromagnetics Research Letters, Vol. 95, 147-153, 2021.
doi:10.2528/PIERL20102102
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