A Reconfigurable Gaussian/Triangular Basis Functions Computation Circuit

  • Authors:
  • Muhammad Taher Abuelma'Ati;Abdullah Shwehneh

  • Affiliations:
  • King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia 31261;King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia 31261

  • Venue:
  • Analog Integrated Circuits and Signal Processing
  • Year:
  • 2006

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Abstract

A CMOS Gaussian/Triangular Basis functions computation circuit suitable for analog neural networks is proposed. The circuit can be configured to realize any of the two functions. The circuit can approximate these functions with relative root-mean-square error less than 1%. It is shown that the center, width, and peak amplitude of the dc transfer characteristic can be independently controlled. SPICE simulation results using 0.18 驴 m CMOS process model parameters of TSMC18 technology are included.