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The Design of Low-Voltage, Low-Power Sigma-Delta Modulators by Bruce A. Wooley (
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Specificaties
- Objectstaat
- ISBN-13
- 9781461373223
- Book Title
- The Design of Low-Voltage, Low-Power Sigma-Delta Modulators
- ISBN
- 9781461373223
- Subject Area
- Computers, Technology & Engineering
- Publication Name
- Design of Low-Voltage, Low-Power Sigma-Delta Modulators
- Publisher
- Springer
- Item Length
- 9.3 in
- Subject
- Cad-Cam, Electronics / Circuits / General, Electrical
- Publication Year
- 2012
- Series
- The Springer International Series in Engineering and Computer Science Ser.
- Type
- Textbook
- Format
- Trade Paperback
- Language
- English
- Item Weight
- 11.5 Oz
- Item Width
- 6.1 in
- Number of Pages
- Xviii, 187 Pages
Over dit product
Product Identifiers
Publisher
Springer
ISBN-10
1461373220
ISBN-13
9781461373223
eBay Product ID (ePID)
169564056
Product Key Features
Number of Pages
Xviii, 187 Pages
Publication Name
Design of Low-Voltage, Low-Power Sigma-Delta Modulators
Language
English
Subject
Cad-Cam, Electronics / Circuits / General, Electrical
Publication Year
2012
Type
Textbook
Subject Area
Computers, Technology & Engineering
Series
The Springer International Series in Engineering and Computer Science Ser.
Format
Trade Paperback
Dimensions
Item Weight
11.5 Oz
Item Length
9.3 in
Item Width
6.1 in
Additional Product Features
Intended Audience
Scholarly & Professional
TitleLeading
The
Series Volume Number
483
Number of Volumes
1 vol.
Illustrated
Yes
Table Of Content
1 Introduction.- 1.1 Organization.- 1.2 Simulation Details.- 2 Trends Toward Low-Voltage Power Supplies.- 2.1 Technology Scaling in CMOS Processes.- 2.2 Scaling Theory.- 2.3 Battery Cell Technologies for Portable Electronic Systems.- 2.4 Summary.- 3 Analog-to-Digital Conversion.- 3.1 Analog-to-Digital Converters.- 3.2 Nyquist-Rate A/D Converters.- 3.3 Oversampling A/D Converters.- 3.4 Summary.- 4 Power Dissipation in Sigma-Delta A/D Converters.- 4.1 Power Dissipation in a Sigma-Delta Modulator.- 4.2 Ideal Integrator Power Dissipation.- 4.3 Impact of Circuit Nonidealities.- 4.4 Comparison of Amplifier Topologies.- 4.5 Power Dissipation in the Decimation Filter.- 4.6 Summary.- 5 Design of a Low-Voltage, High-Resolution Sigma-Delta Modulator.- 5.1 Modulator Architecture.- 5.2 Signal Scaling.- 5.3 Integrator Implementation.- 5.4 Circuit Noise.- 5.5 Modulator Specifications.- 5.6 Summary.- 6 Implementation of an Experimental Low-Voltage Modulator.- 6.1 The Integrators.- 6.2 The Operational Amplifiers.- 6.3 The Quantizers.- 6.4 The Clocks.- 6.5 Clock Boosters.- 6.6 Decimation Filtering.- 6.7 Experimental Results.- 6.8 Comparison of the Power Efficiency of A/D Converters.- 6.9 Summary.- 7 Conclusion.- 7.1 Recommendations for Further Investigation.- A Fundamental Limits.- A.1 Power in a Switched-Capacitor Integrator.- A.2 Power in a Continuous-Time Integrator.- A.3 Power in a Switched-Current Integrator.- B Power Dissipation vs. Supply Voltage and Oversampling Ratio.- B.1 Folded Cascode Amplifier.- B.2 Two-Stage Class A Amplifier.- B.3 Two-Stage Class A/AB Amplifier.- C Effects of Capacitor Mismatch.- D Test Setup.
Synopsis
Oversampling techniques based on sigma-delta modulation are widely used to implement the analog/digital interfaces in CMOS VLSI technologies. This approach is relatively insensitive to imperfections in the manufacturing process and offers numerous advantages for the realization of high-resolution analog-to-digital (A/D) converters in the low-voltage environment that is increasingly demanded by advanced VLSI technologies and by portable electronic systems. In The Design of Low-Voltage, Low-Power Sigma-Delta Modulators , an analysis of power dissipation in sigma-delta modulators is presented, and a low-voltage implementation of a digital-audio performance A/D converter based on the results of this analysis is described. Although significant power savings can typically be achieved in digital circuits by reducing the power supply voltage, the power dissipation in analog circuits actually tends to increase with decreasing supply voltages. Oversampling architectures are a potentially power-efficient means of implementing high-resolution A/D converters because they reduce the number and complexity of the analog circuits in comparison with Nyquist-rate converters. In fact, it is shown that the power dissipation of a sigma-delta modulator can approach that of a single integrator with the resolution and bandwidth required for a given application. In this research the influence of various parameters on the power dissipation of the modulator has been evaluated and strategies for the design of a power-efficient implementation have been identified. The Design of Low-Voltage, Low-Power Sigma-Delta Modulators begins with an overview of A/D conversion, emphasizing sigma-delta modulators. It includes a detailed analysis of noise in sigma-delta modulators, analyzes power dissipation in integrator circuits, and addresses practical issues in the circuit design and testing of a high-resolution modulator. The Design of Low-Voltage, Low-Power Sigma-Delta Modulators will be of interest to practicing engineers and researchers in the areas of mixed-signal and analog integrated circuit design., Oversampling techniques based on sigma-delta modulation are widely used to implement the analog/digital interfaces in CMOS VLSI technologies. This approach is relatively insensitive to imperfections in the manufacturing process and offers numerous advantages for the realization of high-resolution analog-to-digital (A/D) converters in the low-voltage environment that is increasingly demanded by advanced VLSI technologies and by portable electronic systems. In The Design of Low-Voltage, Low-Power Sigma-Delta Modulators, an analysis of power dissipation in sigma-delta modulators is presented, and a low-voltage implementation of a digital-audio performance A/D converter based on the results of this analysis is described. Although significant power savings can typically be achieved in digital circuits by reducing the power supply voltage, the power dissipation in analog circuits actually tends to increase with decreasing supply voltages. Oversampling architectures are a potentially power-efficient means of implementing high-resolution A/D converters because they reduce the number and complexity of the analog circuits in comparison with Nyquist-rate converters. In fact, it is shown that the power dissipation of a sigma-delta modulator can approach that of a single integrator with the resolution and bandwidth required for a given application. In this research the influence of various parameters on the power dissipation of the modulator has been evaluated and strategies for the design of a power-efficient implementation have been identified. The Design of Low-Voltage, Low-Power Sigma-Delta Modulators begins with an overview of A/D conversion, emphasizing sigma-delta modulators. It includes a detailed analysis of noise in sigma-delta modulators, analyzes power dissipation in integrator circuits, and addresses practical issues in the circuit design and testing of a high-resolution modulator. The Design of Low-Voltage, Low-Power Sigma-Delta Modulators will be of interest to practicing engineers and researchers in the areas of mixed-signal and analog integrated circuit design.
LC Classification Number
TK7867-7867.5
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