Publisher's Synopsis
Excerpt from The Bell System Technical Journal, 1950, Vol. 29: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication; Table of Contents and Index
Nor is gain, although the traveling-wave tubes have been built with gains of over 30 db, gains which are rivaled only by the newer double - stream amplifier and perhaps by multi-resonator klystrons.
In noise figure the traveling-wave tube appears to be superior to other microwave devices, and noise figures of around 12 db have been reported. This is certainly a very important point in its favor.
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