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Persistent URL http://purl.org/net/epubs/work/32638693
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Record Id 32638693
Title Microwave coupler for W-band micro re-entrant square cavities
Abstract Klystrons are vacuum electronic devices widely used for microwave amplification up to the millimetre-wave region. The opportunity to push the operating frequency of conventional klystrons above 30-40 GHz is limited by the fabrication difficulties of the cavities that have very small dimensions. A high order mode micro re-entrant square cavity was purposely devised to be compatible with the available micro fabrication processes and represents a viable solution for the design of millimetre-wave klystrons. In this study, a coupler to correctly excite the higher order mode of the square re-entrant cavities for W-band operation is proposed. The design of the proposed novel coupler structure has been validated by realisation and measurement of a scaled X-band prototype. The post-realisation tuning methods adopted to improve the matching of the high order mode are also presented.
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article IET Microwaves Antennas Prop 10, no. 7 (2016): 764-769. doi:10.1049/iet-map.2015.0681 2016