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A Broadband Rectangular Reentrant Cavity for Multiple-Beam Klystron

Bansiwal, Ashok and Raina, Sushil and Vinoy, K J and Datta, S K (2019) A Broadband Rectangular Reentrant Cavity for Multiple-Beam Klystron. In: IEEE TRANSACTIONS ON ELECTRON DEVICES, 66 (7). pp. 3168-3170.

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Official URL: https://dx.doi.org/10.1109/TED.2019.2916222


Broadbanding of a rectangular reentrant cavity is proposed through reducing its unloaded quality factor by loading the cavity with periodic rectangular ridges placed on cavity transverse walls and orienting them perpendicular to the electric field. The effect of ridge loading on the cavity parameters, namely, resonant frequency, unloaded quality factor, and characteristics hunt impedance was investigated through 3-D electromagnetic simulations. Ridge loading of the cavity could facilitate around 70% reduction in the quality factor without any change in resonant frequency and negligible change in characteristic shunt impedance of that of a no-ridge-loaded cavity. The simulated resonant frequency and quality factor of typical S-band rectangular reentrant cavities were validated against measurements.

Item Type: Journal Article
Additional Information: copyright for this article belongs to IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords: Broadband cavity; multiple-beam klystron (MBK); quality factor; rectangular reentrant cavity
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 02 Aug 2019 11:05
Last Modified: 02 Aug 2019 11:05
URI: http://eprints.iisc.ac.in/id/eprint/63171

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