A study of cathode edge emission | Zendy

Yongxiang Zhao | Zendy

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A study of cathode edge emission

Author(s) -

Yongxiang Zhao

Publication year - 1982

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.331476

Subject(s) - perveance , thermionic emission , klystron , range (aeronautics) , enhanced data rates for gsm evolution , cathode , power (physics) , voltage , computational physics , physics , electron , materials science , electrical engineering , nuclear physics , cathode ray , telecommunications , computer science , thermodynamics , engineering , quantum mechanics , composite material

A great deal of experimental evidence shows that the perveance of high‐power klystrons is much higher than normal at low voltage. Thus the three‐halves power law is violated in that range. It is hypothesized that this is caused by edge emission. A detailed analysis is given. The calculated magnitude is reasonably coincident with experimental results. The analysis is also valid for other thermionic tubes.

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