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A simple equivalent circuit analysis of rectangular folded-waveguide slow-wave structure

Sumathy, M and Vinoy, KJ and Datta, Subrata Kumar (2010) A simple equivalent circuit analysis of rectangular folded-waveguide slow-wave structure. In: AEU - International Journal of Electronics and Communications, 64 (12). pp. 1192-1195.

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Official URL: http://dx.doi.org/10.1016/j.aeue.2009.11.008

Abstract

A simple yet accurate equivalent circuit model was developed for the analysis of slow-wave properties (dispersion and interaction impedance characteristics) of a rectangular folded-waveguide slow-wave structure. Present formulation includes the effects of the presence of beam-hole in the circuit, which were ignored in existing approaches. The analysis was benchmarked against measurement as well as with 3D electromagnetic modeling using MAFIA for two typical slow-wave structures operating in Ka- and Q-bands, and close agreements were observed. The analysis was extended for demonstrating the effect of the variation of beam-hole radius on the RF interaction efficiency of the device. (C) 2009 Elsevier GmbH. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Equivalent circuit analysis; Rectangular folded-waveguide (RFW); Slow-wave structure (SWS); Traveling-wave tube (TWT)
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 02 Mar 2011 06:22
Last Modified: 02 Mar 2011 06:22
URI: http://eprints.iisc.ernet.in/id/eprint/35840

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