The Electronic-Wave Theory of Velocity-Modulation Tubes

  title={The Electronic-Wave Theory of Velocity-Modulation Tubes},
  author={S. Ramo},
  journal={Proceedings of the IRE},
  • S. Ramo
  • Published 1939 in Proceedings of the IRE
Following a brief discussion of the Hahn theory of velocity modulation in which there is explained the basic velocity-modulation tube phenomena by means of space-charge waves propagating along the electron beam, the wave theory is reformulated by means of the retarded potentials for the most important case, that of a magnetically focused electron beam. The use of the potentials is believed to result in sufficient simplification to merit consideration in choosing the best attack on the theory… CONTINUE READING

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