NASA NTRS · 19880000077
Improved Traveling-Wave Tube
Abstract
New space traveling-wave tube (TWT) provides coherent source of 75 watts of continuous-wave power output over bandwidth of 5 GHz at frequency of 65 GHz. Coupled-cavity TWT provides 50 dB of saturated gain. Includes thermionic emitter, M-type dispenser cathode providing high-power electron beam. Beam focused by permanent magnets through center of radio-frequency cavity structure. Designed for reliable operation for 10 years, and overall efficiency of 35 percent minimizes prime power input and dissipation of heat.
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Rousseau, Art, Tammaru, Ivo, Vaszari, John. 1988-02-01. Improved Traveling-Wave Tube. https://ntrs.nasa.gov/citations/19880000077
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