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Proposal and Synthesis Design of Differential Phase Shifters With Filtering Function
Lyu, Yun-Peng1,2; Zhu, Lei2; Cheng, Chong-Hu1
2017-08
Source PublicationIEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
ISSN0018-9480
Volume65Issue:8Pages:2906-2917
Abstract

In this paper, a new class of filtering differential phase shifters is proposed and developed, which can provide constant phase shift and self-embedded filtering function at the same time. In contrast to its traditional counterparts, the proposed phase shifter consists of two bandpass filter (BPF) branches and the phase properties of generalized nth-order BPF network are systematically studied at first time. With derived closed-form formula of phase slope, the synthesis method is presented to design the proposed filtering differential phase shifters with prescribed arbitrary phase shift value, passband ripple, and bandwidth. The filter order, which dominates frequency selectivity, is considered in the synthesis design of proposed phase shifter as well. The tradeoff between the frequency selectivity and phase shift is discussed. In addition to the advanced features of multifunction and simple geometry, the proposed filtering differential phase shifters can achieve compact size, low amplitude imbalance, and multiway polyphase capability. To validate the proposed concept and synthesis method, two filtering differential phase shifters with single-phase (90 degrees) and five-way polyphase (45 degrees, 90 degrees, 135 degrees, and 180 degrees) are designed, fabricated, and measured. The simulated and measured results coincide well with the prescribed performances in phase shift and magnitude.

KeywordDifferential Phase Shifter Filtering Function Generalized Bandpass Filter (Bpf) Network Phase Properties Synthesis Design
DOI10.1109/TMTT.2017.2673819
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000407370900027
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
The Source to ArticleWOS
Fulltext Access
Citation statistics
Cited Times [WOS]:18   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorZhu, Lei
Affiliation1.School of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China
2.Faculty of Science and Technology, University of Macau, Macau, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Lyu, Yun-Peng,Zhu, Lei,Cheng, Chong-Hu. Proposal and Synthesis Design of Differential Phase Shifters With Filtering Function[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,2017,65(8):2906-2917.
APA Lyu, Yun-Peng,Zhu, Lei,&Cheng, Chong-Hu.(2017).Proposal and Synthesis Design of Differential Phase Shifters With Filtering Function.IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES,65(8),2906-2917.
MLA Lyu, Yun-Peng,et al."Proposal and Synthesis Design of Differential Phase Shifters With Filtering Function".IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES 65.8(2017):2906-2917.
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