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Design of dual-mode band-pass filter with novel perturbation elements
Yong Cheng1; Chengjun Mei1; Lei Zhu2
Source PublicationProgress In Electromagnetics Research C

A compact square patch band-pass filter is proposed in this paper. The dual-mode filter is designed based on a square patch resonator with a complementary split ring resonator (CSRR) split to be used as a perturbation element. The CSRR split is properly embedded in the square patch resonator to perturb electric current distribution on this patch and thus to simultaneously excite a pair of degenerate modes. Using the proposed CSRR elements, the band-pass filter is designed with miniaturized size, and two transmission zeros in stopbands are achieved to improve the selectivity of the filter. The influence of the CSRR elements on the band-pass filter is analyzed in detail. The proposed dual-mode filter is then fabricated and measured. Good agreement over a wide frequency range is achieved between the simulated and measured results. Moreover, in order to further investigate the characteristic of the dualmode patch filters with CSRR perturbation, a dual-mode filter with a rectangular ring slot is presented for comparative study.

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Scopus ID2-s2.0-85074033967
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorYong Cheng
Affiliation1.College of Electronics and Optical Engineering & College of Microelectronics,Nanjing University of Posts and Telecommunications,Nanjing,210023,China
2.Department of Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,Macau,China
Recommended Citation
GB/T 7714
Yong Cheng,Chengjun Mei,Lei Zhu. Design of dual-mode band-pass filter with novel perturbation elements[J]. Progress In Electromagnetics Research C,2019,96:59-71.
APA Yong Cheng,Chengjun Mei,&Lei Zhu.(2019).Design of dual-mode band-pass filter with novel perturbation elements.Progress In Electromagnetics Research C,96,59-71.
MLA Yong Cheng,et al."Design of dual-mode band-pass filter with novel perturbation elements".Progress In Electromagnetics Research C 96(2019):59-71.
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