MINLP Based Topology Synthesis for Delta Sigma Modulators Optimized for Signal Path Complexity, Sensitivity and Power Consumption

  • Authors:
  • Hua Tang;Ying Wei;Alex Doboli

  • Affiliations:
  • Stony Brook University, Stony Brook, NY;Stony Brook University, Stony Brook, NY;Stony Brook University, Stony Brook, NY

  • Venue:
  • Proceedings of the conference on Design, Automation and Test in Europe - Volume 1
  • Year:
  • 2005

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Abstract

This paper proposes a novel architecture synthesis algorithm for single-loop single-bit 驴驴 modulators. We defined a generic modulator architecture and derived its noise and signal transfer function (NTF/STF) in symbolic forms. We then used the TF in MINLP to generate optimal topologies for a variety of design requirement, such as modulator complexity, sensitivity and power consumption, which appeard as cost functions. Experiments show the superiority of synthesized topologies as compared to traditional solutions.