CST – Computer Simulation Technology

Patch End-Launchers - A Family of Compact Colinear Coaxial-to-Rectangular Waveguide Transitions
Massimiliano Simeoni, Cristian I. Coman, Ioan E. Lager
IEEE Transactions on Microwave Theory and Techniques
Volume: 54, Issue: 4, June 2006
1503 - 1511
Coaxial waveguides, electromagnetic launching, waveguide junctions, waveguide transitions
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 computational estimations of the proposed components’ performance

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