Systematic methodology for designing reconfigurable ΔΣ modulator topologies for multimode communication systems

Ying Wei, Alex Doboli, Hua Tang

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

This paper proposes a systematic methodology for designing reconfigurable continuous-time ΔΣ modulator topologies. Topologies are optimized by minimizing the complexity of the topologies, maximizing the sharing of circuits between the different modes, maximizing the topology robustness with respect to circuit nonidealities, and minimizing the total power consumption. This paper presents a case study for designing topologies for a three-mode reconfigurable ΔΣ modulator and compares the obtained topologies with a state-of-the-art design and topologies obtained using the ΔΣ Toolbox.

Original languageEnglish (US)
Pages (from-to)480-495
Number of pages16
JournalIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Volume26
Issue number3
DOIs
StatePublished - Mar 2007

Keywords

  • Delta-sigma modulator
  • Multimode
  • Topology

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