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2019-03-19
Design of Dual-/Tri-Band BPF with Controllable Bandwidth Based on a Quintuple-Mode Resonator
By
Progress In Electromagnetics Research Letters, Vol. 82, 129-137, 2019
Abstract
In this article, a new class of dual-/tri-band bandpass filters (BPFs) using a quintuple-mode resonator (QMR) is proposed. The classic odd-/even-mode analysis method is used to analyze the two filters due to their symmetrical structure. Owing to characteristics of the QMR, the dual-/tri-band BPFs based on the same topology are designed. The bandwidths (BWs) of the passbands are controllable. A dual-band BPF with center frequencies of 2.1 GHz/3.43 GHz and a tri-band BPF with center frequencies of 2.35 GHz/3.44 GHz/5.2 GHz are designed, fabricated, and measured. The fabricated filters are compact in size, and measured results are in good agreement with the simulated ones.
Citation
Sheng-Fang Zhang Li Tian Wang Sheng-Hui Zhao Jie Zhou Zhi-Peng Wang Xin Zhang Xue-Lian Liang Ming He Lu Ji , "Design of Dual-/Tri-Band BPF with Controllable Bandwidth Based on a Quintuple-Mode Resonator," Progress In Electromagnetics Research Letters, Vol. 82, 129-137, 2019.
doi:10.2528/PIERL18111305
http://www.jpier.org/PIERL/pier.php?paper=18111305
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