A small-signal, one-flux analysis of short-base transport

M. A. Alam, Shin Ichi Tanaka, M. S. Lundstrom

研究成果: Article

9 引用 (Scopus)


In this paper, we present an exactly solvable small-signal model to analyze transport in the base region of a bipolar transistor. Both graded-base and uniform-base structures are considered. The solutions describe both ballistic and diffusive transport under specific, simplifying conditions. Moreover, these results are in excellent agreement with a numerical solution of the Boltzmann equation. This model predicts a number of interesting features of the current-gain factor α(f) in the quasi-ballistic regime and explains the importance of scattering, however small, on the base transport properties of electrons. Finally, we use this model to interpret some recent experiments on short-base transport.

ジャーナルSolid State Electronics
出版物ステータスPublished - 1995 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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