Modeling continuous-time delta-sigma modulator in MATLAB SIMULINK for system-level simulation and specification translation

Matthew Webb, Hua Tang

Research output: Contribution to journalArticle

Abstract

System-level simulation is an important component of hierarchical top-down design flow for analog and mixed-signal systems. Done accurately and correctly, system-level simulation can help predict when the circuit operates best and also when and where it fails. This paper discusses an improved method for system-level simulation of continuous-time delta-sigma modulators (CT ΔΣM). Each building block of a CT ΔΣM and the inherent non-idealities associated with each block are explained and techniques to model and implement them in MATLAB SIMULINK [15] are proposed. Simulation results are compared and discussed on a case study of 4th order CT ΔΣM.

Original languageEnglish (US)
Pages (from-to)1760-1767
Number of pages8
JournalWSEAS Transactions on Circuits and Systems
Volume5
Issue number12
StatePublished - Dec 1 2006

Keywords

  • Computer aided design
  • Continuous-time
  • Delta-sigma modulator
  • MATLAB
  • SIMULINK
  • System-level simultaion

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