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Spent-beam refocusing analysis and multistage depressed collector design for a 75-W, 59- to 64-GHz coupled-cavity traveling-wave tubeA computational design technique for coupled-cavity tubes (TWTs) equipped with spent-beam refocusers (SBRs) and multistage depressed collectors (MDCs) is described. A large-signal multidimensional computer program was used to analyze the TWT-SBR performance and to generate the spent-beam models used for MDC design. The results of a design involving a 75-W, 59 to 64 GHz TWT are presented. The SBR and MDC designs are shown, and the computed TWT, SBR, and MDC performances are described. Collector efficiencies in excess of 94 percent led to projected overall TWT efficiencies in the 40-percent range.
Document ID
19900018649
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Wilson, Jeffrey D. (NASA Lewis Research Center Cleveland, OH, United States)
Ramins, Peter (NASA Lewis Research Center Cleveland, OH, United States)
Force, Dale A. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 6, 2013
Publication Date
August 1, 1990
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
NAS 1.60:3039
NASA-TP-3039
E-5455
Accession Number
90N27965
Funding Number(s)
PROJECT: RTOP 506-44-2B
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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