Rippled Wall and Rippled Stream Amplifiers
- 1 November 1954
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE
- Vol. 42 (11) , 1628-1636
- https://doi.org/10.1109/jrproc.1954.274657
Abstract
Two new single-velocity electron stream amplifiers, which use neither slow-wave guiding nor resonant circuitry, are described. The major part of the amplification is obtained in a drifttube region where either the tube diameter or the stream diameter varies periodically. The period length is a quarter-plasma waveength; the gain mechanism is one of reinforcing the simple harmonic motion of the electrons in the stream. A general theory is presented from which a gain formula is obtained for rippled wall, rippled stream, and velocity jump amplification. Design curves are shown. An experimental rippled wall amplifier operating in the range 1 to 4 kmc is discussed.Keywords
This publication has 3 references indexed in Scilit:
- Wave Propagation Along a Magnetically-Focused Cylindrical Electron BeamBell System Technical Journal, 1954
- Space-Charge Waves in an Accelerated Electron Stream for Amplification of Microwave SignalsProceedings of the IRE, 1952
- The Electronic-Wave Theory of Velocity-Modulation TubesProceedings of the IRE, 1939