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



English | PDF | 2017 | 85 Pages | ISBN : 3319570323 | 7 MB

This book presents the study, design, modulation, optimization and implementation of low power, passive DT-ΣΔMs for use in audio applications. The high gain and bandwidth amplifier normally used for integration in ΣΔ 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.

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