Title :
Reduction of shot noise by the influence of space charge
Author_Institution :
Cambridge University, Engineering Department, Cambridge, UK
Abstract :
A theoretical expression for the space-charge reduction factor, valid to low microwave frequencies, is derived. Experiments which verify the result are described. The uses of the result as a possible diagnostic for cathode life are discussed.
Keywords :
cathodes; random noise; space charge; cathode life; low microwave frequencies; shot noise reduction; space-charge reduction factor;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810540
