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Ultra-wideband (UWB) bandpass filters using hybrid microstrip/CPW structures
Wang H.1; Zhu L.1; Menzel W.2; Chen Z.N.3
2006-12-01
Conference Name2006 Asia-Pacific Microwave Conference
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
Volume2
Pages1216-1219
Conference Date2006-12
Conference PlaceYokohama, Japan
Abstract

A novel class of ultra-wideband (UWB) bandpass filters are reportedly constructed using the hybrid microstrip and coplanar waveguide (CPW) structure. Two types of multiple-mode resonators (MMRs) on CPW are configured to allocate their first three resonant frequencies at about the lower end, center and higher end of the UWB band. Then, a microstrip/CPW back-to-back coupling structure with enhanced degree is modeled to allocate its coupling peak around the center of this UWB band, i.e., 6.85GHz. In final, two types of UWB bandpass filters with five poles are built up and realized with the passband covering the entire UWB band (3.1-10.6GHz). Simulated frequency responses and group delays are well verified by experiments over a wide frequency range. In addition, the designed UWB filter is found to only occupy one full-wavelength. Copyright 2006 IEICE.

KeywordHybrid Microstrip/cpw And Back-to-back Coupling Structure Multiple-mode Resonator Uwb Bandpass Filter
DOI10.1109/APMC.2006.4429626
URLView the original
Language英语
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Document TypeConference paper
专题DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.School of Electrical & Electronics Engineering, Nanyang Technological University, Singapore
2.Department of Microwave Techniques, University of Ulm, Germany
3.Radio Systems Department, Institute for Infocomm Research, Singapore
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Wang H.,Zhu L.,Menzel W.,et al. Ultra-wideband (UWB) bandpass filters using hybrid microstrip/CPW structures[C],2006:1216-1219.
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