NDLI: K-band tunable phase shifter with microstrip line structure using BST technology

Content Provider	IEEE Xplore Digital Library
Author	Zhang, Meng Liu, Mingyang Ling, Senyin Chen, Peng Zhu, Xiaowei Yu, Xutao
Copyright Year	2015
Description	Author affiliation: State Key Laboratory of Milimeter Waves Southeast University, Nanjing, P.R. China (Zhang, Meng; Liu, Mingyang; Ling, Senyin; Chen, Peng; Zhu, Xiaowei; Yu, Xutao)
Abstract	A design framework of a K-band tunable phase shifter with microstrip line structure using Barium Strontium Titanate (BST) technology is presented in this paper. A conventional microstrip line structure is improved as a phase shifter and a layer of BST is deposited between substrate and strip line. In order to put on direct-current (DC) voltage, DC bias poles have been designed on the strip line and beneath BST layer. The permittivity of the BST material changes as the electrostatic field across BST layer changes. Therefore, effective permittivity of changes and the reflection phase can be continuously available by controlling outside voltage. S parameter simulation results indicate that the designed phase shifter has satisfying transmission characters. Simulation results also exhibit around 51.7° phase swing at 21 GHz, 231° phase swing at 23 GHz and 84.1° phase swing at 25 GHz. As phase swing range is proportional to length of this phase shifter, it could be designed flexible depend on actual requirement.
Starting Page	1
Ending Page	3
File Size	193798
Page Count	3
File Format	PDF
ISBN	9781479987658
e-ISBN	9781479987672
DOI	10.1109/APMC.2015.7413118
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-12-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase shifters Permittivity Microstrip Strips Substrates Reflection Resonant frequency tunable permittivity BST microstrip line phase shifter
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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