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Design of Analog Circuits Through Symbolic Analysis
Editors of Design of Analog Circuits Through Symbolic Analysis
Mourad Fakhfakh acquired the engineering and the Ph.D. levels from the nationwide engineering faculty of Sfax Tunisia in 1996 and 2006 respectively.
From 1998 to 2004 he labored within the Tunisian Nationwide Firm of Electrical energy and Fuel (STEG) as the pinnacle of the technical intervention division.
In September 2004, he joined the upper institute of electronics and communications (ISECS) the place he’s at present working as an Assistant Professor.
Dr. Fakhfakh serves as a reviewer in some prestigious journals and worldwide conferences. He has been a TPC member in outstanding worldwide conferences and (co-)authored greater than 80 papers in worldwide journals and conferences.
His analysis pursuits embody analog & RF design automation, symbolic evaluation, analog circuit synthesis, and optimization methods.
Esteban Tlelo-Cuautle obtained a B.Sc. diploma from Instituto Tecnológico de Puebla (ITP), México in 1993. He then obtained each M.Sc. and Ph.D. levels from Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE), México, in 1995 and 2000, respectively.
From 1995-2000, he was an element of the digital engineering division at ITP, and in 2001 he was appointed as full professor-researcher at INAOE.
From 2009- 2010, he served as a Visiting Researcher within the division of electrical engineering on the College of California Riverside. He has authored and co-authored 4 books, ten guide chapters, 45 journal articles, and round 100 convention papers.
He’s an IEEE Senior Member, IEICE Member, and a member of the Nationwide System for Researchers (SNI-CONACyT in México). He commonly serves as a reviewer in 18 excessive impact-factor journals in engineering and 15 internationally acknowledged conferences.
He has been a member of Program Committees at prestigious worldwide conferences. His analysis pursuits embody systematic synthesis and behavioral modeling and simulation of linear and nonlinear circuits and methods, chaotic oscillators, symbolic evaluation, multi-objective evolutionary algorithms, and analog/RF and mixed-signal design automation instruments.
Francisco V. Fernándezacquired the Physics-Electronics diploma from the College of Seville in 1988 and his Ph.D. diploma in 1992. In 1993, he labored as a postdoctoral analysis fellow at Katholieke Universiteit Leuven (Belgium).
Between 1995 and 2009 he was Affiliate Professor on the Dept. of Electronics and Electromagnetism of College of Seville, and since 2009 he’s a Full Professor on the identical College. He’s additionally a researcher at CSIC-IMSE-CNM.
His analysis pursuits lie within the design and design methodologies of analog and mixed-signal circuits. Dr. Fernández has authored or edited three books and co-authored greater than 100 papers in worldwide journals and conferences.
Dr. Fernández is at present the Editor-in-Chief of Integration, the VLSI Journal (Elsevier). He commonly serves on the Program Committee of a number of worldwide conferences. In addition to the above, he has additionally participated as the primary researcher in a number of Nationwide and European R&D tasks.
Analog Circuits Through Symbolic Analysis Contents
- Latest Improvement in Symbolic Analysis: An Overview
- Modified Nodal Analysis
- Modeling Lively Gadgets with Nullor for Analog Sign Processing
- Era of the Switch Capabilities for MIMO Methods
- Symbolic Analysis of Analog Circuits by Circulation-Graphs
- Analysis and Synthesis of Digital Circuits by Two-Graph Methodology
- Approximation Strategies in Symbolic Circuit Analysis
- Symbolic Analysis by Determinant Resolution Diagrams and Functions
- Sensitivity Computation Based mostly on the Auxiliary Circuits
- Symbolic Noise Analysis in Analog Circuits
- Symbolic Pole/Zero Analysis
- Automated Nonlinear Behavioral Mannequin Era Utilizing Symbolic Circuit Analysis
- Nonlinear Template-Free Symbolic Efficiency Modeling for Design and Course of Variation Analysis of Analog Circuits
- Symbolic Analysis Strategies for Fault Prognosis and Automated Design of Analog Circuits
- Symbolic Characterization of VCOs and its Utility to Optimization-Based mostly Design
- AMS Synthesis Utilizing Symbolic Strategies
- Utility of Symbolic Circuit Analysis for Failure Detection and Optimization of Industrial Built-in Circuits
Preface to Design of Analog Circuits Through Symbolic Analysis
Symbolic analyzers have the potential to supply data to sophomores in addition to practitioners of analog circuit design.
Truly, they’re a necessary complement to numerical simulators, since they supply perception into circuit conduct that numerical analyzers don’t.
Symbolic evaluation of digital circuits addresses the technology of symbolic expressions for the parameters that describe the efficiency of linear and nonlinear circuits within the three domains: DC, AC, and time; some or all of the circuit parameters might be saved as symbols.
Particularly, in AC evaluation these expressions are generated as ratios of polynomials within the Laplace variable s, with, as coefficients, the sum of merchandise of small-signal parts of the design vector.
Symbolic expressions for traits, corresponding to voltage and present achieve, enter and output impedance, and so on. might be simply obtained. Moreover, it’s simple to accumulate community traits corresponding to sensitivity and noise.
As a consequence of the truth that these expressions stay legitimate throughout the change of element values (so long as fashions stay legitimate), designers cannot solely have an perception into the conduct of the community but in addition they will use the expressions to optimize the circuit’s performances.
The primary technology of symbolic analyzers was proposed within the late ’60s. Since then, these analyzers had been promptly acknowledged as essential instruments to mechanically generate the behavioral mannequin of analog built-in circuits.
Truly, many methods and applications have been introduced for the symbolic evaluation of linear and even nonlinear lumped time-invariant circuits.
These proposed methods might be labeled into 4 main classes:
Matrix manipulation strategies,
- Tree enumeration strategies,
- (Sign) flow-graphs,
Parameter extraction strategies,
This guide presents particulars and exemplifies such well-known methods. This makes the guide a superb useful resource for circuit evaluation. Thus, it’s meant for college students and researchers in addition to for industrial designers.
For big (and medium) dimension circuits, computed analytical expressions change into too massive and their quantity of phrases is so necessary that its manipulation and interpretation change into unimaginable.
The guide places additionally the stress on this downside and highlights some methods tailored to the approximate symbolic description of circuit traits.
Furthermore, industrial present R&D subjects, current developments, and future developments within the subject of symbolic evaluation are highlighted.
The Define of The Ebook is as Follows
Chapter 1, an outline chapter, presents a survey of the state-of-the-art of symbolic evaluation methods for the design and verification of analog built-in circuits.
It highlights main developments on this subject over the previous a number of years and presents excellent issues for future analysis.
Chapter 2 offers an outline of the Modified Nodal Analysis methodology. Analysis procedures of circuits containing classical and fashionable circuit parts are described.
These strategies are defined clearly in a quantity of examples with a view to the matrix type which is acceptable for pc implementation.
Chapter 3 describes the modeling of null or-based lively units from the circuit degree of abstraction: lively units (voltage-mode, current-mode, and mixed-mode operations).
A number of examples utilizing null or-based fashions illustrate its use to calculate fully-symbolic small-signal traits of linear analog circuits in addition to on the evaluation of nonlinear circuits.
Chapter 4 presents two approaches based mostly on the state equations and on the semi-state equations, respectively-for the technology of the switch capabilities of MIMO methods in symbolic/numeric-symbolic matrix type.
The state variable method is developed in two variants: one makes use of the circuit matrices A, B, C, D, and the opposite one straight makes use of the state equations within the frequency area.
The strategy based mostly on semi-state equations is developed each in two matrix illustration and in a single matrix illustration. Illustrative examples are given.
Chapter 5 particulars and exemplifies the flow-graph method. It presents used approaches for the willpower of the modified Coates flow-graphs. Symbolic sensitivity utilizing this method is briefly launched.
Chapter 6 introduces the two-graph methodology. It particulars the development of the corresponding networks and presents such evaluation each the frequency and time domains. The chapter additionally focuses on partitioning methods and on lively RC-circuit synthesis utilizing the two-graph methodology.
Chapter 7 particulars approximation methods in symbolic circuit evaluation. It critiques from the primary approximation methods, solely meant to enhance the interpretability of symbolic outcomes, to essentially the most fashionable approximate symbolic evaluation methods based mostly on the approximation of the community equations and the direct technology of the approximated symbolic outcomes.
Chapter 8 offers with the symbolic evaluation by the determinant choice diagrams. It exhibits how DDD-based symbolic evaluation allows the precise symbolic evaluation of many analog circuits considerably bigger than the earlier strategies and open new functions for symbolic evaluation.
This chapter additionally covers approximation strategies based mostly on DDD-based symbolic evaluation. Chapter 9 offers with sensitivity computation based mostly on the auxiliary circuits.
Three procedures, for the sensitivity evaluation utilizing auxiliary circuits: the Bykhovsky Perkins Cruz’s methodology, the incremental-circuit method and the adjoint-circuit method, are introduced.
The benefits and disadvantages of these procedures are identified. Some illustrative examples are uncovered.
Chapter 10 focuses on symbolic noise evaluation in analog circuits. The symbolic noise evaluation of linear or linearized analog circuits on the transistor degree of abstraction is introduced.
A short exposition on the sign path method into analog circuits working in voltage-mode and current-mode is given. The computation of symbolic noise parameters of analog circuits is detailed. Two examples are launched as an example the potentiality of the method.
Chapter 11 treats symbolic pole/zero evaluation. It critiques some just lately reported methods purposely developed to generate approximate symbolic expressions for poles and zeros below given accuracy constraints.
Chapter 12 focuses on the automated nonlinear behavioral mannequin technology utilizing symbolic circuit evaluation.
It offers an outline of the symbolic/numerical algorithms for extraction of dominant conduct of linear methods, e.g. formulation for poles and zeros in addition to algorithms for producing behavioral fashions from nonlinear differential-algebraic methods of equations.
Functions of evaluation and modeling of blended electrical and mechanical methods are additionally introduced.
Chapter 13 offers with nonlinear template-free symbolic efficiency fashions of design and course of variation.
It presents a technique for producing efficiency fashions which want no prior specification of an equation template, and that deal with strongly nonlinear circuits, statistical course of variations, and a spread of evaluation varieties.
Chapter 14 is worried with symbolic evaluation methods for analog circuit fault analysis and automated design. It presents a symbolic method to the design centering downside, and particulars testability and fault analysis of analog built-in circuits.
As well as, it highlights the modeling of energy digital units based mostly on symbolic methods.
Chapter 15 presents a short description of CMOS ring VCOs, the place the actual emphasis for differential delay cell ring VCOs is given. Then, the symbolic characterizations of the VCOs are detailed.
The proposed method depends on the decision of the differential equations modeling every VCO delay cell. A working instance for the case for uneven load ring VCO is introduced, and obtained outcomes are in contrast in opposition to these obtained with numerical simulation.
Chapter 16 describes the use of symbolic strategies utilized to the automated exploration and characterization of analog and mixed-signal methods topologies and architectures.
Synthesis methods based mostly on algorithm-level, utilizing an HDL description, and using, each, a modified sign flow-graph method and a sample recognition approach are introduced.
Chapter 17 offers with the applying of symbolic circuit evaluation for failure detection and optimization of industrial built-in circuits.
It demonstrates how symbolic evaluation and approximation permit analyzing industrial analog constructing blocks methods which had been thought-about to be symbolically unsolvable earlier than.
In addition to circuit failure evaluation and modeling, a novel methodology that gives a brand new application-specific compensation for attaining the very best efficiency necessities is given. The methodology is demonstrated on a number of industrial examples.
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