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Systematic Design of Sigma-Delta Analog-to-Digital Converters : The Springer International Series in Engineering and Computer Science - Ovidiu Bajdechi

Systematic Design of Sigma-Delta Analog-to-Digital Converters

The Springer International Series in Engineering and Computer Science

Hardcover

Published: 30th April 2004
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Systematic Design of Sigma-Delta Analog-to-Digital Converters describes the issues related to the sigma-delta analog-to-digital converters (ADCs) design in a systematic manner: from the top level of abstraction represented by the filters defining signal and noise transfer functions (STF, NTF), passing through the architecture level where topology-related performance is calculated and simulated, and finally down to parameters of circuit elements like resistors, capacitors, and amplifier transconductances used in individual integrators. The systematic approach allows the evaluation of different loop filters (order, aggressiveness, discrete-time or continuous-time implementation) with quantizers varying in resolution. Topologies explored range from simple single loops to multiple cascaded loops with complex structures including more feedbacks and feedforwards. For differential circuits, with switched-capacitor integrators for discrete-time (DT) loop filters and active-RC for continuous-time (CT) ones, the passive integrator components are calculated and the power consumption is estimated, based on top-level requirements like harmonic distortion and noise budget.
This unified, systematic approach to choosing the best sigma-delta ADC implementation for a given design target yields an interesting solution for a high-resolution, broadband (DSL-like) ADC operated at low oversampling ratio, which is detailed down to transistor-level schematics.
The target audience of Systematic Design of Sigma-Delta Analog-to-Digital Converters are engineers designing sigma-delta ADCs and/or switched-capacitor and continuous-time filters, both beginners and experienced. It is also intended for students/academics involved in sigma-delta and analog CAD research.

Introduction
Analog-to-Digital Conversion
Motivation
Book Organization
Architecture-Level Analysis of Sigma-Delta ADCs
Principle and Operation
Sigma-Delta ADCs with Discrete-Time Loop Filters
Sigma-Delta ADCs with Continuous-Time Loop Filters
Discrete-Time Circuit Design
Switched-Capacitor Integrators
Switched-Capacitor Amplifiers
Quantizer
Multibit, SC Digital-to-Analog Converters
Continuous-Time Circuit Design
Active RC Integrator
Quantizer
Digital-to-Analog Converters
Computer Aided Design of Sigma-Delta ADCs
Filter-Level Design
Architecture-Level Design
design Examples
Sigma-Delta ADC for Audio Applications
The Electret Microphone
System Design
Sigma-Delta ADC Design
Linearity Analysis
Experimental Results
Broadband, High Dynamic Range Sigma-Delta ADC
Project Specifications
CAD-Assisted Design Optimization
Design of the 16-bit CT Integrator
Design of the 14-bit CT Integrator
Higher Order Integrators
Feed-Forwards Adder and 31-levels Quantizer
Calibration of Current-Mode CT DAC
Transistor-Level Simulation Results
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9781402079450
ISBN-10: 1402079451
Series: The Springer International Series in Engineering and Computer Science
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 196
Published: 30th April 2004
Publisher: Springer-Verlag New York Inc.
Country of Publication: US
Dimensions (cm): 23.5 x 15.5  x 1.27
Weight (kg): 1.05