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Noise in Semiconductors: Spectrum of a Two-Parameter Random Signal

J. Appl. Phys. 25, 341 (1954); doi:10.1063/1.1721637

Issue Date: March 1954

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Stefan Machlup
Bell Telephone Laboratories, Inc., Murray Hill, New Jersey
With intended application to the theory of current noise in semiconductors, the spectrum is calculated of a random signal which may be in one of two states (YES-NO: random telegraph signal), where the mean lives sigma and tau of the two states may be different. The form of the spectrum is the same as for the case with equal lives, the single parameter tau for that (classical) case now being replaced by 2[(1/sigma)+(1/tau)]−1; i.e., the rates of transition are additive. Journal of Applied Physics is copyrighted by The American Institute of Physics.
History: Received July 15, 1953
Permalink: http://link.aip.org/link/?JAPIAU/25/341/1
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PUBLICATION DATA

ISSN:
0021-8979 (print)   1089-7550 (online)
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REFERENCES (4)

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  1. S. O. Rice, Bell System Tech. J. 23, 282 (1945), Sec. 2.7.
  2. This has the form of the expression obtained by J. Bernamont, Proc. Phys. Soc. (London) 49, E138 (1937).
  3. A. Van der Ziel, J. Appl. Phys. 24, 222 (1953);
  4. R. L. Petritz, Proc. Inst. Radio Engrs. 40, 1440 (1952), also references cited therein.
  5. This approximation makes alpha (Eq. 21) = 1; hence its use in Van der Ziel's (reference 3) “case (a)” does not seem justified.

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