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A Compact Planar Diplexer Using Common Dual-Mode Rectangular Patch Resonators
Jian-Hui Guo1; Sai-Wai Wong2; Ze-Ming Xie1; Long Zhang2; Lei Zhu3; Yejun He2
2019-05
Conference Name2019 International Conference on Microwave and Millimeter Wave Technology (ICMMT)
Source Publication2019 International Conference on Microwave and Millimeter Wave Technology, ICMMT 2019 - Proceedings
Conference Date19-22 May 2019
Conference PlaceGuangzhou, China
PublisherIEEE
Abstract

In this paper, a third-order planar diplexer is proposed by using common dual-mode rectangular patch resonators. Compared with the traditional diplexer, there is no any connection-oriented junction network, which leads to a small size of the diplexer. There are two orthogonal resonant modes for each resonator. One mode is used as channel I, the other is used as channel II. The coupling coefficient of other channel is analysis. The desired external quality factor can be obtained by selecting the appropriate location of the input port. In addition, a pair of perpendicular slots are at the center of each resonator in order to reduce the insertion loss. For channel I, the measured insertion loss at a center frequency of 2.65 GHz is about 1.6 dB with a fractional bandwidth of 9.3%. For channel II, the measured insertion loss at a center frequency of 2.13 GHz is about 1.9 dB with a fractional bandwidth of 8.6%.

KeywordDual-mode Rectangular Patch Resonator Planar Diplexer
DOI10.1109/ICMMT45702.2019.8992553
URLView the original
Language英語English
Scopus ID2-s2.0-85080090657
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Citation statistics
Document TypeConference paper
CollectionUniversity of Macau
Affiliation1.School of Electronic and Information Engineering, South China University of Technology, Guangzhou, China
2.College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China
3.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, China
Recommended Citation
GB/T 7714
Jian-Hui Guo,Sai-Wai Wong,Ze-Ming Xie,et al. A Compact Planar Diplexer Using Common Dual-Mode Rectangular Patch Resonators[C]:IEEE,2019.
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