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Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications David Fouto

Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications By David Fouto

Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications by David Fouto

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Summary

This book presents the study, design, modulation, optimization and implementation of low power, passive DT- Ms for use in audio applications.

Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications Summary

Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications by David Fouto

This book presents the study, design, modulation, optimization and implementation of low power, passive DT- Ms for use in audio applications. The high gain and bandwidth amplifier normally used for integration in modulation, is replaced by passive, switched-capacitor branches working under the Ultra Incomplete Settling (UIS) condition, leading to a reduction of the consumed power. The authors describe a design process that uses high level models and an optimization process based in genetic algorithms to achieve the desired performance.

About David Fouto

David Fouto is a researcher in the Department of Electrical Engineering, Faculdade de Ciencias e Tecnologia of the Universidade Nova de Lisboa, Portugal.

Nuno Paulino is a Professor in the Department of Electrical Engineering, Faculdade de Ciencias e Tecnologia of the Universidade Nova de Lisboa, Portugal.

Table of Contents

1 Introduction 1.1 Motivation and Background 1.2 Book Organization2 Sigma-Delta Modulation 2.1 Introduction 2.2 First Order Sigma-Delta Modulator 2.3 Second Order Sigma-Delta Modulator 2.4 Higher Order Sigma-Delta Modulator 2.4.1 The MASH Structure3 Architecture and High Level Model 3.1 Passive Integrator 3.1.1 Ultra Incomplete Settling 3.1.2 Discrete Time Transfer Function of the SC Integrator 3.1.3 Thermal Noise Analysis 3.2 Modulator Block Diagram 3.2.1 Signal and Noise Transfer Functions 3.3 Proposed Architecture 3.4 High Level Model 3.5 Optimization 3.6 Reducing the Size of the Capacitors4 Electrical Circuits and Simulation Results 4.1 Introduction 4.2 Digital Circuitry 4.2.1 Logic Gates 4.2.2 Delay Circuits 4.2.3 Phase Generator 4.2.4 Flip-Flop 4.3 Amplifiers 4.3.1 Gain G2 4.3.2 Gain Gmid 4.4 Comparator 4.5 Switching Circuitry 4.5.1 Clock Bootstrapped Switch 4.6 Feedback and Reference Voltages 4.7 Monostable Circuit 4.8 Simulation Results 4.8.1 Second Order Modulator 4.8.2 Third Order MASH Modulator 4.8.3 Third Order MASH M with Monostable Circuit5 Conclusions 5.1 Final RemarksReferences

Additional information

NLS9783319570327
9783319570327
3319570323
Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications by David Fouto
David Fouto
SpringerBriefs in Electrical and Computer Engineering
New
Paperback
Springer International Publishing AG
2017-06-07
78
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
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