Design of compact planar rat-race and branch-line hybrid couplers using polar curves
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Date
Authors
Joubert, Johan
Odendaal, J.W. (Johann Wilhelm)
Journal Title
Journal ISSN
Volume Title
Publisher
Wiley
Abstract
An approach where polar curves are used to miniaturize hybrid couplers is presented. The design of such couplers can be done with the optimization of a few parameters using full-wave analysis software. The results show similar or better electrical performance for a rat-race and branch-line coupler with respectively a 75% and 50% size reduction.
Description
Keywords
Hybrid coupler, Rat-race coupler, Branch-line coupler, Polar curve, Compact coupler
Sustainable Development Goals
Citation
Joubert, J & Odendaal, JW 2015, 'Design of compact planar rat-race and branch-line hybrid couplers using polar curves', Microwave and Optical Technology Letters, vol. 57, no. 11, pp. 2637-2640.