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题名: The UMTS Diplexer Design Using the Anti-Parallel Coupled Lines Loaded with a Stepped Impedance Resonator
作者: Ho, Min-Hua;Lin, Wei-Chen
贡献者: 電子工程學系
关键词: UMTS diplexer;Antiparallel-coupled lines;Mid-passband zero implantation;spurline
日期: 2011-09
上传时间: 2012-05-22T06:25:50Z
出版者: Wiley
摘要: We present a novel UMTS diplexer design using the filters of antiparallel-coupled lines structure loaded with a stepped impedance microstrip resonator. The diplexer is composed of two filters. And a microstrip line of quarter-wavelength is used to links each filter to the common port. The composing filters exhibit two tunable transmission zeros which are used to implement the mid-passband zero implantation for improving the isolation between the transmitting (Tx) and the receiving (Rx) ports. A pair of spurlines is used in the coupled lines of the Tx-filter to further increase the isolation. An experiment is conducted to assure the diplexer's performance and to verify the circuit design.
關聯: Microwave and Optical Technology Lett., 53(12): 2988-2990
显示于类别:[電子工程學系] 期刊論文

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