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    A 200 Watt Traveling Wave-Tube for the Communications Technology Satellite (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: This final report presents the results of the design, development, and test of experimental and production units of a PPM focused traveling wave tube (L-5394) that produces 225 watts of CW RF power over 85 MHz centered at 12.080 GHz. The tube uses a coupled cavity RF circuit with a velocity taper for greater than 26 percent basic efficiency. Overall efficiency of 50 percent is achieved by the incorporation of a multistage depressed collector designed at NASA Lewis Research Center. The collector is cooled by direct radiation to deep space. The tube was designed to be used for broadcasting power transmission from a satellite.
    Keywords: Electronics and Electrical Engineering
    Type: NASA-CR-135029
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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