Broadband transition from coaxial line to circular waveguide

Authors

DOI:

https://doi.org/10.3103/S073527272210003X

Keywords:

fin line, circular waveguide, coaxial-waveguide transition

Abstract

In this paper a broadband transition from coaxial line to circular waveguide has been proposed, developed, and experimentally investigated. The transition consists of series-connected sections-transitions based on microstrip line, antipodal fin line with and without overlapping fins, bilateral fin line, and tapered transition from a rectangular waveguide to a circular one. Taking advantage of fin lines ensures manufacturability and repeatability of the electrical characteristics of the transition. Simulation results obtained are in good agreement with the results of the experimental study. The proposed transition from a coaxial line to a circular waveguide ensures a reflection coefficient of no more than –10 dB in the 8–18 GHz operating frequency range.

References

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3D model of transition from coaxial line to rectangular waveguide

Published

2023-07-27

Issue

Section

Brief Communications