Design of asymmetrical resonator for microstrip triple-band and broadband bandpass filters

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Title:	Design of asymmetrical resonator for microstrip triple-band and broadband bandpass filters
Authors:	凃文化;Hsu, Ko-Wen;Tu, Wen-Hua
Contributors:	資訊電機學院電機工程學系
Keywords:	Asymmetrical resonator;Broadband bandpass filter;Triple-band bandpass filter
Date:	2015-12-01
Issue Date:	2026-04-23 13:50:52 (UTC+8)
Publisher:	Elsevier BV;Elsevier Ltd
Abstract:	摘要： This paper presents two triple-band bandpass filters (BPFs) and one broadband BPF by using asymmetrical resonators. The asymmetrical resonator consists of three branched microstrip sections with different electrical lengths. For the first triple-band BPF (Filter I), by adjusting the stub length of the resonator, the first three resonant modes can be moved to the required center frequencies. For the second triple-band BPF (Filter II), the two sets of asymmetrical resonators are designed with the characteristic of the same center frequencies and staggered higher-order modes to achieve a wide stopband. For the broadband BPF (Filter III), the multi-mode resonances and inherent transmission zeros of the asymmetrical resonator are utilized to design the wideband response with sharp passband selectivity. It has the advantages of compact size and harmonic suppression. 出版者： Elsevier Ltd 出版日期： 2015-12-01 出處： Microelectronics, 2015-12, Vol.46 (12), p.1434-1441 版權： 2015 Elsevier Ltd 識別號： ISSN: 1879-2391 識別號： DOI: 10.1016/j.mejo.2015.06.010
Appears in Collections:	[Department of Electrical Engineering] journal & Dissertation

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