Patch end-launchers - a family of compact colinear coaxial-to-rectangular waveguide transitions

Journal article (2006)

Authors

M. Simeoni International Research Centre for Telecommunication and Radar

CI Coman International Research Centre for Telecommunication and Radar

I.E. Lager International Research Centre for Telecommunication and Radar

Research Group

International Research Centre for Telecommunication and Radar

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Published Date

2006

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Research Group

International Research Centre for Telecommunication and Radar

Abstract

A new family of structures launching the fundamental mode in rectangular waveguides is proposed. Individual or stacked cavity-backed patch antennas radiate into a rectangular waveguide, providing a good matching with a coaxial input over a wide frequency range. The configuration results in a very compact, colinear transition from a standard coaxial connector to a rectangular waveguide. The components have applications as general-purpose coaxial-to-rectangular waveguide transitions and are well suited for low-profile, phased-array antennas. Experimental results confirm the computional estiumations of the proposed components' performance.