RBF circuits based on folded cascode differential pairs

  • Authors:
  • Marcio Barbosa Lucks;Nobuo Oki

  • Affiliations:
  • Instituto de Aeronáutica e Espaço - IAE, São José dos Campos, Brazil;UNESP, Ilha Solteira, Brazil

  • Venue:
  • Proceedings of the 21st annual symposium on Integrated circuits and system design
  • Year:
  • 2008

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Abstract

We propose new circuits for the implementation of Radial Basis Functions such as Gaussian and Gaussian-like functions. These RBFs are obtained by the subtraction of two differential pair output currents in a folded cascode configuration. We also propose a multidimensional version based on the unidimensional circuits. SPICE simulation results indicate good functionality. These circuits are intended to be applied in the implementation of radial basis function networks. One possible application of these networks is transducer signal conditioning in aircraft and spacecraft vehicles onboard telemetry systems.