Design of Low Power and Low Area Passive Sigma Delta Modulators for Audio Applications
| By: | David Fouto; Nuno Paulino |
| Publisher: | Springer Nature |
| Print ISBN: | 9783319570327 |
| eText ISBN: | 9783319570334 |
| Edition: | 0 |
| Copyright: | 2017 |
| Format: | Page Fidelity |
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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.