1963 | OriginalPaper | Buchkapitel
The parametric reduction of the amplitude of slow space-charge waves in an experimental device
verfasst von : M. C. Davies, K. T. W. Milne
Erschienen in: Microwaves
Verlag: Macmillan Education UK
Enthalten in: Professional Book Archive
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At the 1960 International Congress on Microwave tubes held in Munich, Sturrock [l] proposed a scheme for using the principle of parametric pumping to reduce the slow wave noise in an electron beam. This mechanism could be used, for example, as the basis of a low noise travelling wave amplifier. Since the slow wave is a negative a. c. power carrier, the slow wave noise cannot be removed from the beam by direct coupling to a matched resistance.