National Changhua University of Education Institutional Repository : Item 987654321/10706
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題名: Wideband bandpass filter for MB-OFDM application
作者: Lee, Ching-Her;Hsu, Chung-I G.;Chen, Lian-Yu
貢獻者: 電子工程學系
關鍵詞: Wideband bandpass filter;Multi-mode resonator;Stepped-impedance resonator
日期: 2008-10
上傳時間: 2012-05-29T01:22:48Z
出版者: Wiley Periodicals
摘要: 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.
關聯: Microwave and Optical Technology Lett., 50(10): 2587-2590
顯示於類別:[電子工程學系] 期刊論文

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