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Elements of the traveling-wave tube (TWT), used to amplify microwave signals over broad bandwidths.
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Keywords: amplification, amplifier, amplify, bandwidths., basic, beam, broad, cathode, circuit, cross-section, details, device, diagram, electrical, electrode, electron, electronics, elements, engineering, figure, helix, horizontal, illustration, illustrations, microwave, rf, science, section, signal, signals, technological, technology, traveling-wave, travelling-wave, tube, twt