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NEW BROADBAND ZERO PHASE SHIFTER BASED ON NEGATIVE REFRACTION INDEX TRANSMISSION LINE
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2008 (English)In: Journal Electromagnetic Waves and Applications, ISSN 0920-5071, E-ISSN 1569-3937, Vol. 22, no 14-15, 2069-2075 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents the design of one dimensional broadband phase shifters based on a new class of negative refraction index transmission line. The proposed phase shifter here consists of conventional microstrip line and Negative Refraction Index (NRI) transmission line (TL) in which ideal operational amplifiers are applied to form the periodically loaded negative-impedance-converted inductors and capacitors. It is demonstrated that variations in inductors and capacitors can produce arbitrary phase shifts while maintaining the same overall length. Also, the NRI-TL is non-dispersive so that the new phase shifter can be used in many new broadband devices.

Place, publisher, year, edition, pages
2008. Vol. 22, no 14-15, 2069-2075 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-33167DOI: 10.1163/156939308787537900ISI: 000262840700023Scopus ID: 2-s2.0-69549114768OAI: oai:DiVA.org:kth-33167DiVA: diva2:413976
Note
QC 20110502Available from: 2011-05-02 Created: 2011-04-29 Last updated: 2017-12-11Bibliographically approved

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