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Novel doubly perforated broadband microstrip branch-line couplers

Abstract

Two broadband compact doubly perforated hybrid couplers have been designed, manufactured, and measured. To improve frequency characteristics and to reduce circuit dimensions, two kinds of perforations have been introduced: the defected ground structures in the ground plane metallization and photonic bandgap cells in the strip metallization. Measurement results show essential miniaturization (~39% and ~36%) and enhancement of the bandwidth (~47% and ~75%).

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS no. 51, pages 0 - 0,
ISSN: 0895-2477
Language:
English
Publication year:
2009
Bibliographic description:
Kurgan P., Kitliński M.: Novel doubly perforated broadband microstrip branch-line couplers// MICROWAVE AND OPTICAL TECHNOLOGY LETTERS. -Vol. 51, nr. iss. 9, September. (2009), s.0-0
DOI:
Digital Object Identifier (open in new tab) 10.1002/mop.24566
Verified by:
Gdańsk University of Technology

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