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oaioai:casi.ntrs.nasa.gov:19750010410

Development of a 200 W CW High Efficiency Traveling Wave Tube at 12 GHz

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1974
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Abstract

The design, development, and test results are reported for an experimental PPM focused, traveling-wave tube that produces 235 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 30 percent basic efficiency. Overall efficiency of 51 percent is achieved by means of a nine stage depressed collector designed at NASA Lewis Research Center. This collector is cooled by direct radiation to deep space

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This paper was published in NASA Technical Reports Server.

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