A DIPLEXER USING MODIFIED STEPPED-IMPEDANCE RESONATORS

in International Symposium (oral presentation paper), 國際研討會(全文口頭發表)
標題A DIPLEXER USING MODIFIED STEPPED-IMPEDANCE RESONATORS
出版類型國際研討會(全文口頭發表)
出版年度2010
AuthorsCHIN-MIN HSIUNG, 熊京民, & Ru-Yuan Yang 楊茹媛
出版日期Dec 7 2010 12:0
會議地點橫濱
其他編號0000
中文摘要

We presented a high performance diplexer is designed and fabricated for Global System for mobile communications (GSM) applications in this paper,. Two square open-ring bandpass filters (BPFs), operated at 0.9 GHz and 1.8 GHz, and are used for the diplexer mainly. The size reduction, the deep and wide stop-band from 0.51 GHz to 4.9 GHz can be obtained when modifying the stepped-impedance resonator (SIR) in the BPFs, The improved passband selectivity is obtained since several transmission zeros are located at the passband edges The simulated and measured results have a good agreement with the proposed design concept.

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