Broadband and small-size fully-distributed CRLH based ring coupler

A topology for a 3-dB broadband and small-size ring coupler is designed and numerically analyzed. It consists of fully-distributed Composite Right-/Left-Handed phase shifters and a Lange coupler. The frequency bandwidth is one octave centered on 1.5 GHz. The area occupied by the coupler is 25% of th...

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Bibliographic Details
Main Authors: Simion, Stefan, Bartolucci, Giancarlo
Format: Conference Proceeding
Language:English
Subjects:
Bandwidth
Broadband communication
Couplers
Microwave circuits
Phase shifters
Topology
Online Access:Request full text
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Description
Summary:A topology for a 3-dB broadband and small-size ring coupler is designed and numerically analyzed. It consists of fully-distributed Composite Right-/Left-Handed phase shifters and a Lange coupler. The frequency bandwidth is one octave centered on 1.5 GHz. The area occupied by the coupler is 25% of the conventional ring coupler topology. The coupler has been fabricated and it is ready for the experimental characterization.
ISSN:1545-827X
2377-0678
DOI:10.1109/SMICND.2013.6688099