Evolution of Digital Filters Using a Gate Array Model

  title={Evolution of Digital Filters Using a Gate Array Model},
  author={Julian Francis Miller},
The traditional paradigm for digital filter design is based on the concept of a linear difference equation with the output response being a weighted sum of signal samples with usually floating point coeff icients. Unfortunately such a model is necessarily expensive in terms of hardware as it requires many large bit additions and multiplications. In this paper it is shown how it is possible to evolve a small rectangular array of logic gates to perform low pass FIR filtering. The circuit is… CONTINUE READING


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