Title Generalized low-voltage circuit techniques for very high-speed time-interleaved analog-to-digital converters / Sai Weng Sin, Seng-Pan U, Rui Paulo Martins

Published Dordrecht ; New York : Springer Science+Business Media B.V., ©2010

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Description 1 online resource (xvi, 134 pages) : illustrations (some color) Series Analog circuits and signal processing series Analog circuits and signal processing series. Contents Machine generated contents note: 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. Main Objective and Design Challenges -- References -- 2. Challenges in Low-Voltage Circuit Designs -- 2.1. Introduction -- 2.2. Impact of CMOS Technology Scaling -- 2.3. Design Challenges: Intrinsic Performance Degradation -- 2.3.1. Transconductance Degradation -- 2.3.2. Output Resistance Degradation -- 2.3.3. Trends of Unity-Gain Frequency in Technology Scaling -- 2.4. Circuit Level Design Challenges: Opamps -- 2.5. Circuit Level Design Challenges: Switches -- 2.5.1. Switch Positioning -- 2.5.2. Clock Boosting -- 2.5.3. Bootstrapped Switches -- 2.5.4. Switched-Opamp -- 2.5.5. Reset-Opamp -- 2.5.6. Switched-RC Techniques -- 2.6. Summary -- References -- 3 Note continued: 4.4. Offset Mismatch -- 4.5. Gain Mismatch -- 4.6. Timing Mismatch -- 4.7. Bandwidth Mismatch -- 4.8. Summary -- References -- 5. Design of a 1.2 V, 10-bit, 60-360 MHz Time-Interleaved Pipelined ADC -- 5.1. Introduction -- 5.2. Overall ADC Architecture -- 5.3. Prototype Circuit-Level Design -- 5.3.1. Resistively Demultiplexed Front-End Sample-and-Hold -- 5.3.2. 1.5 b/Stage Multiplying-Digital-to-Analog-Converter (MDAC) -- 5.3.3. Current-Mode Sub-ADC Design -- 5.3.4. Programmable Timing-Skew Insensitive Clock Generator -- 5.3.5. Noise Analysis -- 5.3.6. Channel Mismatch Analysis -- 5.4. Layout Considerations -- 5.5. Simulation Results -- 5.5.1. Opamp Simulations -- 5.5.2. Front-End S/H -- 5.5.3. Current-Mode Comparator -- 5.5.4. Overall ADC Simulations -- 5.6. Summary -- References -- 6. Experimental Results -- 6.1. Introduction -- ̂ 6.2. Prototype PCB Design -- 6.2.1. Floor Plan -- 6.2.2. Power Supply Considerations -- 6.2.3. Signal Trace Routing -- 6.3. Measurement Setup and Results -- 6.3.1. Time-Domain Digital Output Code Pattern -- 6.3.2. Static Performance -- 6.3.3. Dynamic Performance -- 6.4. Summary -- References -- 7. Conclusions and prospective for Future Work -- 7.1. Conclusions -- 7.2. Prospective for Future Work -- 7.2.1. Low-Noise and Low-Voltage Circuit Techniques Implementation -- 7.2.2. Fully Dynamic ADC Implementations -- 7.2.3. SC Circuits Implemented with Open-Loop Amplifiers -- 7.2.4. Digital Calibration -- References -- Appendix A Operating Principle of VG-CMFB with O-CMEC -- Appendix B Mathematical Analysis of Bandwidth Mismatches -- Appendix C Noise Analysis of Advanced Reset-Opamp Circuits -- Cross-Coupled Front-End S/H -- MDAC with Auxiliary Amplifier -- Appendix D̂ Special Case in Gain Mismatch Summary 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 Analysis engineering elektronica electronics instrumentatie instrumentation circuits Engineering (General) Techniek (algemeen) Bibliography Includes bibliographical references and index Notes Print version record Subject Analog-to-digital converters. COMPUTERS -- Data Transmission Systems -- General. Ingénierie. Analog-to-digital converters Form Electronic book Author U, Seng-Pan. Martins, Rui Paulo. ISBN 9789048197101 9048197104

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