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

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

Fouto, David; Paulino, Nuno

Springer International Publishing AG

06/2017

78

Mole

Inglês

9783319570327

15 a 20 dias

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