National Changhua University of Education Institutional Repository : Item 987654321/10713
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题名: A compact CPW-fed UWB BPF using combined microstrip SIR
作者: Chen, Yu-Cheng;Lee, Ching-Her;Hsu, Chung-I G.
贡献者: 電子工程學系
关键词: Multimode resonator;Ultra-wideband bandpass filter;Coplanar waveguide;Stepped-impedance resonator
日期: 2009-04
上传时间: 2012-05-29T01:23:29Z
出版者: Wiley Periodicals
摘要: This article presents a multimode-resonator (MMR)-based ultra-wideband (UWB) bandpass filter (BPF) fed by modified coplanar waveguides (CPWs). The MMR employed in the UWB BPF is formed by combining two quarter-wavelength (λ/4) microstrip stepped-impedance resonators (SIRs) in a structure-shared fashion. The first two resonant frequencies of the inherent λ/4 SIRs and the fundamental one of the embedded half-wavelength (λ/2) resonator were designed and located inside the UWB passband. Experiments on a prototype UWB BPF were carried out for validating the filter design. The measured frequency responses show an insertion loss of less than 1 dB between the first and the last |S11| null frequencies in the UWB passband and an upper −20-dB stopband bandwidth of about 6.14 GHz.
關聯: Microwave and Optical Technology Lett., 51(4): 918-921
显示于类别:[電子工程學系] 期刊論文

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