Willy M.C. Sansen's Books

High-Performance CMOS Continuous-Time Filters

By: José Silva-Martínez,Michiel Steyaert,Willy M.C. Sansen

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High-Performance CMOS Continuous-Time Filters

By: José Silva-Martínez,Michiel Steyaert,Willy M.C. Sansen

High-Performance CMOS Continuous-Time Filters is devoted to the design of CMOS continuous-time filters. CMOS is employed because the most complex integrated circuits have been realized with this technology for two decades. The most important advantages and drawbacks of continuous-time filters are clearly shown. The transfer function is one of the most important filter parameters but several others (like intermodulation distortion, power-supply rejection ratio, noise level and dynamic range) are fundamental in the design of high-performance systems. Special attention is paid to the practical aspects of the design, which shows the difference between an academic design and an industrial design. A clear understanding of the behavior of the circuits and techniques is preferred over complex equations or interpretation of simulated results. Step-by-step design procedures are very often used to clarify the use of the techniques and topologies. The organization of this text is hierarchical, starting with the design consideration of the basic building blocks and ending with the design of several high-performance continuous-time filters. Most of the circuits have been fabricated, theoretically analyzed and simulated, and silicon measurement results are compared with each other. High-Performance CMOS Continuous-Time Filters can be used as a text book for senior or graduate courses on this topic and can also be useful for industrial engineers as a reference book.

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Page Count

238

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Springer Science & Business Media

Published Date

ISBN 10

1475722249

ISBN 13

9781475722246

A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits

By: Geert Van der Plas,Georges Gielen,Willy M.C. Sansen

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A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits

By: Geert Van der Plas,Georges Gielen,Willy M.C. Sansen

This text addresses the design methodologies and CAD tools available for the systematic design and design automation of analogue integrated circuits. Two complementary approaches discussed increase analogue design productivity, demonstrated throughout using design times of the different design experiments undertaken.

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230

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Springer Science & Business Media

Published Date

ISBN 10

0792376978

ISBN 13

9780792376972

Static and Dynamic Performance Limitations for High Speed D/A Converters

By: Anne van den Bosch,Michiel Steyaert,Willy M.C. Sansen

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Static and Dynamic Performance Limitations for High Speed D/A Converters

By: Anne van den Bosch,Michiel Steyaert,Willy M.C. Sansen

Static and Dynamic Performance Limitations for High Speed D/A Converters discusses the design and implementation of high speed current-steering CMOS digital-to-analog converters. Starting from the definition of the basic specifications for a D/A converter, the elements determining the static and dynamic performance are identified. Different guidelines based on scientific derivations are suggested to optimize this performance. Furthermore, a new closed formula has been derived to account for the influence of the transistor mismatch on the achievable resolution of the current-steering D/A converter. To allow a thorough understanding of the dynamic behavior, a new factor has been introduced. Moreover, the frequency dependency of the output impedance introduces harmonic distortion components which can limit the maximum attainable spurious free dynamic range. Finally, the last part of the book gives an overview on different existing transistor mismatch models and the link with the static performance of the D/A converter.

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229

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Springer Science & Business Media

Published Date

ISBN 10

1475765797

ISBN 13

9781475765793

Matching Properties of Deep Sub-Micron MOS Transistors

By: Jeroen A. Croon,Willy M. C. Sansen,Herman E. Maes

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Matching Properties of Deep Sub-Micron MOS Transistors

By: Jeroen A. Croon,Willy M. C. Sansen,Herman E. Maes

Matching Properties of Deep Sub-Micron MOS Transistors examines this interesting phenomenon. Microscopic fluctuations cause stochastic parameter fluctuations that affect the accuracy of the MOSFET. For analog circuits this determines the trade-off between speed, power, accuracy and yield. Furthermore, due to the down-scaling of device dimensions, transistor mismatch has an increasing impact on digital circuits. The matching properties of MOSFETs are studied at several levels of abstraction: A simple and physics-based model is presented that accurately describes the mismatch in the drain current. The model is illustrated by dimensioning the unit current cell of a current-steering D/A converter. The most commonly used methods to extract the matching properties of a technology are bench-marked with respect to model accuracy, measurement accuracy and speed, and physical contents of the extracted parameters. The physical origins of microscopic fluctuations and how they affect MOSFET operation are investigated. This leads to a refinement of the generally applied 1/area law. In addition, the analysis of simple transistor models highlights the physical mechanisms that dominate the fluctuations in the drain current and transconductance. The impact of process parameters on the matching properties is discussed. The impact of gate line-edge roughness is investigated, which is considered to be one of the roadblocks to the further down-scaling of the MOS transistor. Matching Properties of Deep Sub-Micron MOS Transistors is aimed at device physicists, characterization engineers, technology designers, circuit designers, or anybody else interested in the stochastic properties of the MOSFET.

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Page Count

222

Publisher

Springer Science & Business Media

Published Date

ISBN 10

0387243143

ISBN 13

9780387243146

Analog Layout Generation for Performance and Manufacturability

By: Koen Lampaert,Georges Gielen,Willy M.C. Sansen

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Analog Layout Generation for Performance and Manufacturability

By: Koen Lampaert,Georges Gielen,Willy M.C. Sansen

Analog integrated circuits are very important as interfaces between the digital parts of integrated electronic systems and the outside world. A large portion of the effort involved in designing these circuits is spent in the layout phase. Whereas the physical design of digital circuits is automated to a large extent, the layout of analog circuits is still a manual, time-consuming and error-prone task. This is mainly due to the continuous nature of analog signals, which causes analog circuit performance to be very sensitive to layout parasitics. The parasitic elements associated with interconnect wires cause loading and coupling effects that degrade the frequency behaviour and the noise performance of analog circuits. Device mismatch and thermal effects put a fundamental limit on the achievable accuracy of circuits. For successful automation of analog layout, advanced place and route tools that can handle these critical parasitics are required. In the past, automatic analog layout tools tried to optimize the layout without quantifying the performance degradation introduced by layout parasitics. Therefore, it was not guaranteed that the resulting layout met the specifications and one or more layout iterations could be needed. In Analog Layout Generation for Performance and Manufacturability, the authors propose a performance driven layout strategy to overcome this problem. In this methodology, the layout tools are driven by performance constraints, such that the final layout, with parasitic effects, still satisfies the specifications of the circuit. The performance degradation associated with an intermediate layout solution is evaluated at runtime using predetermined sensitivities. In contrast with other performance driven layout methodologies, the tools proposed in this book operate directly on the performance constraints, without an intermediate parasitic constraint generation step. This approach makes a complete and sensible trade-off between the different layout alternatives possible at runtime and therefore eliminates the possible feedback route between constraint derivation, placement and layout extraction. Besides its influence on the performance, layout also has a profound impact on the yield and testability of an analog circuit. In Analog Layout Generation for Performance and Manufacturability, the authors outline a new criterion to quantify the detectability of a fault and combine this with a yield model to evaluate the testability of an integrated circuit layout. They then integrate this technique with their performance driven routing algorithm to produce layouts that have optimal manufacturability while still meeting their performance specifications. Analog Layout Generation for Performance and Manufacturability will be of interest to analog engineers, researchers and students.

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186

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Springer Science & Business Media

Published Date

ISBN 10

147574501X

ISBN 13

9781475745016

Low-Power Low-Voltage Sigma-Delta Modulators in Nanometer CMOS

By: Libin Yao,Michiel Steyaert,Willy M. C. Sansen

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Low-Power Low-Voltage Sigma-Delta Modulators in Nanometer CMOS

By: Libin Yao,Michiel Steyaert,Willy M. C. Sansen

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194

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Springer Science & Business Media

Published Date

ISBN 10

140204139X

ISBN 13

9781402041396

Design of Multi-Bit Delta-Sigma A/D Converters

By: Yves Geerts,Michiel Steyaert,Willy M. C. Sansen

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Design of Multi-Bit Delta-Sigma A/D Converters

By: Yves Geerts,Michiel Steyaert,Willy M. C. Sansen

This book discusses both architecture and circuit design aspects of Delta-Sigma A/D converters, with a special focus on multi-bit implementations. The emphasis is on high-speed high-resolution converters in CMOS for ADSL applications, although the material can also be applied for other specification goals and technologies.

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234

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Springer Science & Business Media

Published Date

ISBN 10

1402070780

ISBN 13

9781402070785

Low-Noise Wide-Band Amplifiers in Bipolar and CMOS Technologies

By: Zhong Yuan Chong,Willy M.C. Sansen

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Low-Noise Wide-Band Amplifiers in Bipolar and CMOS Technologies

By: Zhong Yuan Chong,Willy M.C. Sansen

Analog circuit design has grown in importance because so many circuits cannot be realized with digital techniques. Examples are receiver front-ends, particle detector circuits, etc. Actually, all circuits which require high precision, high speed and low power consumption need analog solutions. High precision also needs low noise. Much has been written already on low noise design and optimization for low noise. Very little is available however if the source is not resistive but capacitive or inductive as is the case with antennas or semiconductor detectors. This book provides design techniques for these types of optimization. This book is thus intended firstly for engineers on senior or graduate level who have already designed their first operational amplifiers and want to go further. It is especially for engineers who do not want just a circuit but the best circuit. Design techniques are given that lead to the best performance within a certain technology. Moreover, this is done for all important technologies such as bipolar, CMOS and BiCMOS. Secondly, this book is intended for engineers who want to understand what they are doing. The design techniques are intended to provide insight. In this way, the design techniques can easily be extended to other circuits as well. Also, the design techniques form a first step towards design automation. Thirdly, this book is intended for analog design engineers who want to become familiar with both bipolar and CMOS technologies and who want to learn more about which transistor to choose in BiCMOS.

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219

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Springer Science & Business Media

Published Date

ISBN 10

1475721269

ISBN 13

9781475721263

Design of Wireless Autonomous Datalogger IC's

By: Wim Claes,Willy M. C. Sansen,Robert Puers

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Design of Wireless Autonomous Datalogger IC's

By: Wim Claes,Willy M. C. Sansen,Robert Puers

Design of Wireless Autonomous Dataloggers IC's reveals the state of the art in the design of complex dataloggers, with a special focus on low power consumption. The emphasis is on autonomous dataloggers for stand-alone applications with remote reprogrammability. The book starts with a comprehensive introduction on the most important design aspects and trade-offs for miniaturized low-power telemetric dataloggers. After the general introduction follows an in-depth case study of an autonomous CMOS datalogger IC for the registration of in vivo loads on oral implants. After tackling the design of the datalogger on the system level, the design of the different building blocks is elaborated in detail, with emphasis on low power. A clear overview of the operation, the implementation, and the most important design considerations of the building blocks to achieve optimal system performance is given. Design of Wireless Autonomous Dataloggers IC's discusses the design of correlated double sampling amplifiers and sample-and-holds, binary-weighted current steering DACs, successive approximation ADCs and relaxation clock oscillators and can also be used as a manual for the design of these building blocks. Design of Wireless Autonomous Dataloggers IC's covers the complete design flow of low-power miniaturized autonomous dataloggers with a bi-directional wireless link and on-board data processing, while providing detailed insight into the most critical design issues of the different building blocks. It will allow you to design complex dataloggers faster. It is essential reading for analog design engineers and researchers in the field of miniaturized dataloggers and is also suitable as a text for an advanced course on the subject.

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Page Count

220

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Springer Science & Business Media

Published Date

ISBN 10

1402032080

ISBN 13

9781402032080

Analog Design Essentials

By: Willy M Sansen

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Analog Design Essentials

By: Willy M Sansen

This unique book contains all topics of importance to the analog designer which are essential to obtain sufficient insights to do a thorough job. The book starts with elementary stages in building up operational amplifiers. The synthesis of opamps is covered in great detail. Many examples are included, operating at low supply voltages. Chapters on noise, distortion, filters, ADC/DACs and oscillators follow. These are all based on the extensive amount of teaching that the author has carried out world-wide.

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Page Count

770

Publisher

Springer Science & Business Media

Published Date

ISBN 10

0387257470

ISBN 13

9780387257471

High-Performance CMOS Continuous-Time Filters

By: José Silva-Martínez,Michiel Steyaert,Willy M.C. Sansen

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High-Performance CMOS Continuous-Time Filters

By: José Silva-Martínez,Michiel Steyaert,Willy M.C. Sansen

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Page Count

250

Publisher

Springer Science & Business Media

Published Date

ISBN 10

0792393392

ISBN 13

9780792393399

Static and Dynamic Performance Limitations for High Speed D/A Converters

By: Anne van den Bosch,Michiel Steyaert,Willy M.C. Sansen

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Static and Dynamic Performance Limitations for High Speed D/A Converters

By: Anne van den Bosch,Michiel Steyaert,Willy M.C. Sansen

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Page Count

250

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Springer Science & Business Media

Published Date

ISBN 10

1402077610

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9781402077616

Book's by Willy M.C. Sansen

High-Performance CMOS Continuous-Time Filters

High-Performance CMOS Continuous-Time Filters

A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits

A Computer-Aided Design and Synthesis Environment for Analog Integrated Circuits

Static and Dynamic Performance Limitations for High Speed D/A Converters

Static and Dynamic Performance Limitations for High Speed D/A Converters

Matching Properties of Deep Sub-Micron MOS Transistors

Matching Properties of Deep Sub-Micron MOS Transistors

Analog Layout Generation for Performance and Manufacturability

Analog Layout Generation for Performance and Manufacturability

Low-Power Low-Voltage Sigma-Delta Modulators in Nanometer CMOS

Low-Power Low-Voltage Sigma-Delta Modulators in Nanometer CMOS

Design of Multi-Bit Delta-Sigma A/D Converters

Design of Multi-Bit Delta-Sigma A/D Converters

Low-Noise Wide-Band Amplifiers in Bipolar and CMOS Technologies

Low-Noise Wide-Band Amplifiers in Bipolar and CMOS Technologies

Design of Wireless Autonomous Datalogger IC's

Design of Wireless Autonomous Datalogger IC's

Analog Design Essentials

Analog Design Essentials

High-Performance CMOS Continuous-Time Filters

High-Performance CMOS Continuous-Time Filters

Static and Dynamic Performance Limitations for High Speed D/A Converters

Static and Dynamic Performance Limitations for High Speed D/A Converters

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