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Minimizing Spurious Tones in Digital Delta-Sigma Modulators

  • Book
  • © 2011

Overview

Authors:
  1. Kaveh Hosseini

    1. Cypress Semiconductor, Cork, Ireland

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    You can also search for this author in PubMed   Google Scholar

  2. Michael Peter Kennedy

    1. University College Cork, Cork, Ireland

    View author publications

    You can also search for this author in PubMed   Google Scholar

  • Provides a clear explanation of the cause of spurious tones in digital delta-sigma modulators
  • Includes formulae to predict the positions of spurious tones Describes sample architectures to remove spurious tones
  • Presents Simulink and Matlab code to reproduce the examples in the book
  • Includes supplementary material: sn.pub/extras

Part of the book series: Analog Circuits and Signal Processing (ACSP)

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Table of contents (5 chapters)

  1. Front Matter

    Pages i-xiv
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  2. Introduction

    • Kaveh Hosseini, Michael Peter Kennedy
    Pages 1-6

  3. DDSM and Applications

    • Kaveh Hosseini, Michael Peter Kennedy
    Pages 7-42

  4. Conventional Techniques for Maximizing Cycle Lengths

    • Kaveh Hosseini, Michael Peter Kennedy
    Pages 43-94

  5. Maximizing Cycle Lengths by Architecture Modification

    • Kaveh Hosseini, Michael Peter Kennedy
    Pages 95-115

  6. HK-EFM and HK-SQ-DDSM

    • Kaveh Hosseini, Michael Peter Kennedy
    Pages 117-129

  7. Back Matter

    Pages 131-148
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Keywords

About this book

This book describes several Digital Delta-Sigma Modulator (DDSM) architectures, including multi stage noise shaping (MASH), error feedback modulator (EFM) and single quantizer (SQ)-DDSM modulators, with a focus on predicting and maximizing their cycle lengths. The authors aim to demystify an important aspect of these particular DDSM structures, namely the existence of spurs resulting from the inherent periodicity of DDSMs with constant inputs.  Simulink and MATLAB models and code are presented in Chapters 2–5 to enable the reader to reproduce the results in this work and to explore further. These examples will also be helpful for first-time designers of DDSMs.

Authors and Affiliations

  • Cypress Semiconductor, Cork, Ireland

    Kaveh Hosseini

  • University College Cork, Cork, Ireland

    Michael Peter Kennedy

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