Abstract: A 71-76GHz traveling wave tube amplifier is successfully developed to meet the demand of future high-data-rate wireless communication, breaking through a series of key core technologies ...

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Abstract: Development of a 0.34THz traveling-wave tube is described in this paper. This device consists of folded waveguide slow wave structure with modified circular bends, Pierce-style electron gun, ...

First a boatanchor, now a fossil, the Heathkit AA-100 tube power amplifier shone when it came out in 1960: 25 watts stereo, cheap, ‘sweet’ output tubes, and a ton of inputs. Plus, the fun of building ...

Train strikes: What routes are affected when?