The kinetic power theorem for parametric, longitudinal, electron-beam amplifiers
- 1 October 1958
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IRE Transactions on Electron Devices
- Vol. 5 (4) , 225-232
- https://doi.org/10.1109/t-ed.1958.14427
Abstract
A power theorem is developed for parametric, longitudinal, electron-beam amplifiers which may be considered as a generalization of Chu's well-known kinetic power theorem. The new power theorem is used to explore the limitations on noise performance of parametric electron-beam amplifiers. It is shown that the electron-beam noise does not impose a basic limit on the noise performance of a parametric electron-beam amplifier in the way a basic limit is imposed upon the noise performance of conventional longitudinal electron-beam amplifiers. The new power theorem can be employed for understanding the operation of parametric beam amplifiers in the same way as Chu's kinetic power theorem has been used for interpreting the opoeration of longitudinal beam amplifiers.Keywords
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