National Changhua University of Education Institutional Repository : Item 987654321/10715
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题名: Design of dual-band bandpass filter incorporating tri-section SIRs and CPW SIRs
作者: Lee, Ching-Her;Hsu, Chung-I G.;Chen, Yu-Cheng
贡献者: 電子工程學系
关键词: Bandpass filter;Coplanar waveguide;Cross-coupling;Tri-section stepped-impedance resonator
日期: 2009-06
上传时间: 2012-05-29T01:23:32Z
出版者: Sociedade Brasileira de Microondas e Optoeletronica (SBMO)
摘要: A dual-band microstrip bandpass filter (BPF) designed using half-wavelength (λ/2) tri-section microstrip steppedimpedance resonators (TSSIRs) and quarter-wavelength (λ/4) coplanar-waveguide (CPW) stepped-impedance resonators (SIRs) is presented. The center frequencies of the passbands are located at commercially practical frequencies (2.45 and 5.25 GHz) for wireless local-area network (WLAN) applications. A pair of TSSIRs in the top layer of the BPF provides a path for the 2.45 and 5.25 GHz signals, and a pair of CPW SIRs in the ground layer furnishes a path for the 5.25 GHz signal. All these resonators are coupled by microstrip feed lines. For passband selectivity improvement, a cross-coupling path is established by connecting an anti-parallelcoupled line section to the ends of the input and output feed lines to form the source-load coupling.
關聯: Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 8(1): 13-18
显示于类别:[電子工程學系] 期刊論文

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