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NASA NTRS · 19900038636

K-band TWT using new diamond rod technology

Abstract

A 75-W CW helix TWT for satellite communications systems is being developed to operate at 20 GHz with an efficiency goal of 60 percent. A nonbrazed nonbonded diamond rod fabrication technique is used to develop the helix-type TWT. Techniques to enhance TWT efficiency are described, including the incorporation of a velocity tapered helix and a multistage graphite collector. Results from testing a breadboard TWT show a CW output power greater than 100 W and a 54.6 overall efficiency.

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BibTeXRIS

Aldana, S. L., Tamashiro, R. N.. 1990-01-01. K-band TWT using new diamond rod technology. https://ntrs.nasa.gov/citations/19900038636

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