Characterisation of discontinuity effects in triple ridge waveguides using 90° and 180° unit elements

J. Helszajn, J. A. Pereda, A. Casanueva, A. Mediavilla, M. McKay, M. Caplin

Research output: Contribution to journalArticle

Abstract

The discontinuity effect at a step between any two waveguides is an important aspect in the design of impedance steps and filter structures. The purpose of this paper is to characterise the effect between a regular rectangular waveguide and a triple ridge waveguide propagating its dominant mode. One method of achieving this is to employ a 180° UE in conjunction with a calculation of the characteristic impedance and wavelength of the ridge waveguide. Another method is to have recourse to its odd-mode eigen-network. Both procedures are employed in order to obtain data on such a discontinuity. Results are in accord with separate calculations using a commercial finite element (FE) solver.

Original languageEnglish
Pages (from-to)385-390
Number of pages6
JournalIEE Proceedings - Microwaves, Antennas and Propagation
Volume150
Issue number5
DOIs
Publication statusPublished - Oct 2003

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