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Title: A compact dual-band filter based on dual-mode resonators
Authors: Zhou, C.
Guo, Y. 
Yan, S.
Keywords: Dual-band
Issue Date: 2011
Citation: Zhou, C.,Guo, Y.,Yan, S. (2011). A compact dual-band filter based on dual-mode resonators. Asia-Pacific Microwave Conference Proceedings, APMC : 1278-1281. ScholarBank@NUS Repository.
Abstract: A dual-band filter has been designed and fabricated using two dual-mode resonators. Current distributions of four modes of this filter are investigated using full-wave electromagnetic simulations. It shows that the folded canonical topology can be realized using the proposed dual-mode filter structure. A dual-band filter is optimized using an analytical procedure and the corresponding coupling matrix with folded topology structure is synthesized. The designed topology exhibits a dual-band response with center frequencies of 3.05 GHz and 3.21 GHz and in between isolation of 20 dB created by two in-band transmission zeros. The designed dual-band filter shows insertion losses better than 3.4 dB for low-band and 2.6 dB for high-band, and narrow fractional bandwidths of 2.24%. © 2011 Engineers Australia.
Source Title: Asia-Pacific Microwave Conference Proceedings, APMC
ISBN: 9780858259744
Appears in Collections:Staff Publications

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