Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
66 (1989), S. 2736-2738
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Fang and van der Ziel's analysis of secondary emission 1/f noise in secondary emission pentodes is extended to 16 individual data points. It is found that by proper choice of the secondary electron path length dda, good agreement between the experimental values of the Hooge parameter αH and the theoretical values predicted by Handel's quantum 1/f noise theory is obtained for 14 data points. Handel's equations for the Hooge parameter of the tubes thus seem to have heuristic validity. The values of the secondary electron path length dda differ somewhat from tube to tube and may also depend slightly on bias; these effects are attributed to the electron-optical system formed by screen grid, dynode, and anode.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.344216
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