Taravati, S. (2012) Realization of compact broadband rat-race coupler. Journal of Electromagnetic Waves and Applications, 26 (13), 1708-1715. (doi:10.1080/09205071.2012.709955).
Abstract
In this article, a method to miniaturize the broadband rat-race couplers using microstrip nonuniform transmission lines (MNTLs) is presented. The proposed coupler features a compact size on a single circuit layer structure without reactive components and via-holes. The design formulas are developed using ABCD matrix and even-odd mode analysis. The theoretical analysis has been verified by measurement of the manufactured broadband MNTL rat-race coupler with center frequency of 1.35 GHz and 89% fractional bandwidth. The isolation, magnitude, imbalance and phase imbalance are less than -20 dB, 0.5 dB, and 4 degrees, respectively, within 0.75-1.95 GHz frequency bandwidth.
This record has no associated files available for download.
More information
Identifiers
Catalogue record
Export record
Altmetrics
Contributors
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.