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A New Balanced Bandpass Filter With Improved Performance on Right-Angled Isosceles Triangular Patch Resonator
Qianwen Liu1; Jianpeng Wang1; Lei Zhu2; Gang Zhang1; Feng Huang1; Wen Wu1
2018-11
Source PublicationIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
ISSN0018-9480
Volume66Issue:11Pages:4803-4813
Abstract

A new approach for the design of a balanced bandpass filter (BPF) is presented in this paper. Stemming from the mode degeneration properties of a square patch resonator, a complete set of resonant modes in a right-angled isosceles triangular patch resonator (RAITPR) is thoroughly investigated so as to construct a modified RAITPR with one electric wall and two magnetic walls along its three sides for filter design. This proposed resonator can support the half-TM10-mode of the RAITPR, and thus, it is named as the half-mode RAITPR here. By properly adopting the relationship between one RAITPR and two coupled half-mode RAITPRs, a second-order coupling topology is presented. Its working principle is then explained by using the field distribution of the desired resonant modes involved. A few high-order balanced filters are in final implemented and fabricated to evidently demonstrate their good differential-mode filtering selectivity and high common-mode suppression. Good agreement is achieved between the simulated and measured results for all the designed three balanced BPFs. To further improve the concerned out-of-band rejection performance, the feeding scheme of the modified structure has been discussed.

KeywordBalanced Bandpass Filter (Bpf) Commonmode (Cm) Suppression Differential-mode (Dm) Passband Field Distribution Right-angled Isosceles Triangular Patch Resonator (Raitpr)
DOI10.1109/TMTT.2018.2868357
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000449354500014
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Citation statistics
Cited Times [WOS]:12   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Nanjing Univ Sci & Technol, Ministerial Key Lab JGMT, Nanjing 210094, Jiangsu, Peoples R China;
2.Univ Macau, Fac Sci & Technol, Dept Elect & Comp Engn, Macau, Peoples R China
Recommended Citation
GB/T 7714
Qianwen Liu,Jianpeng Wang,Lei Zhu,et al. A New Balanced Bandpass Filter With Improved Performance on Right-Angled Isosceles Triangular Patch Resonator[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,2018,66(11):4803-4813.
APA Qianwen Liu,Jianpeng Wang,Lei Zhu,Gang Zhang,Feng Huang,&Wen Wu.(2018).A New Balanced Bandpass Filter With Improved Performance on Right-Angled Isosceles Triangular Patch Resonator.IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,66(11),4803-4813.
MLA Qianwen Liu,et al."A New Balanced Bandpass Filter With Improved Performance on Right-Angled Isosceles Triangular Patch Resonator".IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 66.11(2018):4803-4813.
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