National Changhua University of Education Institutional Repository : Item 987654321/10706

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NCUEIR > College of Engineering > eedept > Periodical Articles > Item 987654321/10706

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/10706

Title:	Wideband bandpass filter for MB-OFDM application
Authors:	Lee, Ching-Her;Hsu, Chung-I G.;Chen, Lian-Yu
Contributors:	電子工程學系
Keywords:	Wideband bandpass filter;Multi-mode resonator;Stepped-impedance resonator
Date:	2008-10
Issue Date:	2012-05-29T01:22:48Z
Publisher:	Wiley Periodicals
Abstract:	This article presents a wideband bandpass filter (BPF) designed using novel multimode resonators (MMRs). The MMR is formed by combining two quarter-wavelength (λ/4) stepped-impedance resonators (SIRs) in a structure-shared fashion. The fundamental resonant frequency of the inherent λ/4 SIR and that of the embedded half-wavelength (λ/2) SIR were designed to locate in the passband of the BPF to achieve a wideband response. Experiments on a prototype wideband BPF were carried out for validating the filter design. The fabricated BPF was measured to have a large bandwidth of 1:2.2 with an insertion loss of less than 0.86 dB and a small group-delay variation of not more than 0.11 ns in the passband.
Relation:	Microwave and Optical Technology Lett., 50(10): 2587-2590
Appears in Collections:	[eedept] Periodical Articles

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