National Changhua University of Education Institutional Repository : Item 987654321/10290
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题名: The Quasi-Elliptic Bandpass Filter Using Quarter-Wavelength Stepped Impedance Resonators
作者: Chen, Yu-Wei;Liu, Yen-Ju;Ho, Min-Hua
贡献者: 電子工程學系
日期: 2006-06
上传时间: 2012-05-22T06:27:05Z
出版者: PIERS
摘要: A bandpass filter is designed using two end-connected quarter-wavelength stepped impedance resonators. The quarter-wavelength stepped impedance resonators are implemented by a half-wavelength stepped impedance resonator with its middle shorting to ground. Hence, the modes that the λ/4 stepped impedance resonator supports are the (1+2n)/4 which also occur on the branches of a combline. An enhanced U-shape coupling feed is adopted in the filter design to reduce the insertion losses as well as suppressing the harmonics. The proposed filter has a quasi-elliptic frequency response. An equivalent circuit model is developed and the experiments are conducted for circuit design verification.
關聯: PIERS ONLINE, 2(6): 605-608
显示于类别:[電子工程學系] 期刊論文

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