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A simple method for estimating the quality factor of cylindrical re-entrant cavity of Klystrons

Bansiwal, A and Raina, S and Vinoy, KJ and Datta, SK (2019) A simple method for estimating the quality factor of cylindrical re-entrant cavity of Klystrons. In: Journal of Electromagnetic Waves and Applications, 33 (8). pp. 1082-1091.

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Official URL: https://dx.doi.org/10.1080/09205071.2019.1592710


A simple method for estimation of the unloaded quality factor of single and double re-entrant cylindrical cavities was developed based on Wheeler�s incremental inductance rule. The proposed approach was benchmarked for a Ka-band re-entrant cavity against 3D electromagnetic simulation using CST Studio and also with measurements. The analysis is general and unlike the approach of Fujisawa, it could be extended to analyze the re-entrant cavity comprising dissimilar materials. The effect of surface roughness on the quality factor of the cavity also could be estimated using the present analysis. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.

Item Type: Journal Article
Additional Information: The copyright for this article belongs to Taylor and Francis Ltd.
Keywords: Dissimilar materials; Electromagnetic simulation; Inductance; Klystrons; Microwave tubes; Surface roughness, Cylindrical cavities; Ka band; Quality factors; Re-entrant cavities; SIMPLE method; Surface finishes; Unloaded quality factors, Quality control
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 06 May 2019 12:59
Last Modified: 06 May 2019 12:59
URI: http://eprints.iisc.ac.in/id/eprint/62206

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