Historic travelling wave tubes, used as amplifiers in satellite communications payloads, made by Thomson Tubes (France) and Varian (US). At top, cutaw

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Historic travelling wave tubes, used as amplifiers in satellite communications payloads, made by Thomson Tubes (France) and Varian (US). At top, cutaway model shows main components (L-to-R): electron gun, helix/slow-wave structure and collector. RF signal input coaxial cable at left and output waveguide at right.

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Size: 5128px × 3408px
Photo credit: © MARK WILLIAMSON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -tech, amplifier, cable, coaxial, collector, communication, communications, electron, engineering, gun, helix, historic, rf, satellite, signal, slow-wave, space, structure, technology, telecommunications, thomson, traveling, travelling, tube, twt, varian, wave, waveguide