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This paper presents a tutorial overview of ΣΔ modulators, their operating principles and architectures, circuit errors and models, design methods, and practical issues. A review of the state of the art on nanometer CMOS implementations is described, giving a survey of cutting-edge ΣΔ architectures, with emphasis on their application to the next generation of wireless telecom systems.
Circuits and Systems I: Regular Papers, IEEE Transactions on (Volume:58 , Issue: 1 )
Date of Publication: Jan. 2011