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Generalized low-voltage circuit techniques for very high-speed time-interleaved analog-to-digital converters (series: analog circuits and, 2011 Analog Circuits and Signal Processing Series

Langue : Anglais

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Couverture de l’ouvrage Generalized low-voltage circuit techniques for very high-speed time-interleaved analog-to-digital converters (series: analog circuits and
Analog-to-Digital Converters (ADCs) play an important role in most modern signal processing and wireless communication systems where extensive signal manipulation is necessary to be performed by complicated digital signal processing (DSP) circuitry. This trend also creates the possibility of fabricating all functional blocks of a system in a single chip (System On Chip - SoC), with great reductions in cost, chip area and power consumption. However, this tendency places an increasing challenge, in terms of speed, resolution, power consumption, and noise performance, in the design of the front-end ADC which is usually the bottleneck of the whole system, especially under the unavoidable low supply-voltage imposed by technology scaling, as well as the requirement of battery operated portable devices. Generalized Low-Voltage Circuit Techniques for Very High-Speed Time-Interleaved Analog-to-Digital Converters will present new techniques tailored for low-voltage and high-speed Switched-Capacitor (SC) ADC with various design-specific considerations.

Dedication. Preface. Acknowledgements. List of Abbreviations.

1 Introduction. 1.1 Low-Voltage High-Speed Analog-to-Digital Conversion. 1.2 Applications of High-Speed ADCs. 1.3 Deep-Submicron CMOS ADCs Designs. 1.4 Research Objectives and Design Challenges. 1.5 References.

2 Challenges in Low-Voltage Circuit Designs. 2.1 Introduction. 2.2 The Impact of CMOS Technology Scaling. 2.3 Design Challenges - Intrinsic Performance Degradation. 2.4 Circuit Level Design Challenges – Opamps. 2.5 Circuit Level Design Challenges – Switches. 2.6 Summary. 2.7 References.

3 Advanced Low Voltage Circuit Techniques. 3.1 Introduction. 3.2 Virtual-Ground Common-Mode Feedback and Output Common-Mode Error Correction. 3.3 Cross-Coupled Passive Sampling Interface. 3.4 Voltage-Controlled Level Shifting. 3.5 Feedback Current Biasing Technique. 3.6 Low-Voltage Finite-Gain-Compensation. 3.7 Low-Voltage Offset-Compensation 3.8 Summary. 3.9 References.

4 Time-Interleaving: Multiplying the Speed of the ADC. 4.1 Introduction. 4.2 Time-Interleaved ADC Architecture. 4.3 Channel Mismatch Analysis. 4.4 Offset Mismatch. 4.5 Gain Mismatch. 4.6 Timing Mismatch. 4.7 Bandwidth Mismatch. 4.8 Summary. 4.9 References.

5 Design of a 1.2V, 10-bit, 60-360MHz Time-Interleaved Pipelined ADC. 5.1 Introduction. 5.2 The Overall ADC Architecture. 5.3 Prototype Circuit-Level Design. 5.4 Layout Considerations. 5.5 Simulation Results. 5.6 Summary. 5.7 References.

6 Experimental Results. 6.1 Introduction. 6.2 The Prototype PCB Design. 6.3 Measurement Setup and Results. 6.4 Summary. 6.5 References.

7 Conclusions and Prospective for Future Work. 7.1 Conclusions. 7.2 Prospective for Future Work. 7.3 References.

Appendix 1 Operation Principle of VG-CMFB with O-CMEC.

Appendix 2 Mathematical Analysis of Bandwidth Mismatches.

Appendix 3 Noise Analysis of Advanced Reset-Opamp Circuits. A3.1 Cross-Coupled Front-End S/H. A3.2 MDAC with Auxiliary Amplifier.

Appendix 4 Special Case in Gain mismatch.

Detailed mathematical analysis in the various imperfections in the design of the data converters Comprehensive analysis on the various low-voltage analog circuits techniques, and their trade-offs Innovative solutions that enable the implementation of ADCs in low-voltage environments This book is based on the practical works published in IEEE Int. Journals, ensure high-level peer-reviewed contents

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Date de parution :

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