Intuitive Analog Circuit Design

Intuitive Analog Circuit Design

2nd Edition - November 12, 2013

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  • Author: Marc Thompson
  • Paperback ISBN: 9780124058668
  • eBook ISBN: 9780124059085

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Intuitive Analog Circuit Design outlines ways of thinking about analog circuits and systems that let you develop a feel for what a good, working analog circuit design should be. This book reflects author Marc Thompson's 30 years of experience designing analog and power electronics circuits and teaching graduate-level analog circuit design, and is the ideal reference for anyone who needs a straightforward introduction to the subject. In this book, Dr. Thompson describes intuitive and "back-of-the-envelope" techniques for designing and analyzing analog circuits, including transistor amplifiers (CMOS, JFET, and bipolar), transistor switching, noise in analog circuits, thermal circuit design, magnetic circuit design, and control systems. The application of some simple rules of thumb and design techniques is the first step in developing an intuitive understanding of the behavior of complex electrical systems. Introducing analog circuit design with a minimum of mathematics, this book uses numerous real-world examples to help you make the transition to analog design. The second edition is an ideal introductory text for anyone new to the area of analog circuit design.

Key Features

  • LTSPICE files and PowerPoint files available online to assist readers and instructors in simulating circuits found in the text
  • Design examples are used throughout the text, along with end-of-chapter examples
  • Covers real-world parasitic elements in circuit design and their effects


Electronics engineers and designers; analog designers; engineering students; electronics hobbyists

Table of Contents

  • Dedication

    In memoriam

    Preface to the Second Edition

    Changes in the second edition

    Software used by the author


    From a Next Generation Analog Designer (?)

    Chapter 1. Introduction and Motivation


    The need for analog designers

    Some early history of technological advances in analog integrated circuits

    Digital vs. analog implementation: designer's choice

    So, why do we become analog designers?

    Note on nomenclature in this text

    Note on coverage in this book

    Further reading

    Chapter 2. Review of Signal Processing Basics


    Review of Laplace transforms, transfer functions, and pole-zero plots

    First-order system response

    Second-order systems

    Free vibration of damped, second-order system

    Logarithmic decrement

    Higher order systems

    Review of resonant electrical circuits

    Use of energy methods to analyze undamped resonant circuits

    Risetime for cascaded systems

    Chapter 2 problems

    Further reading

    Chapter 3. Review of Diode Physics and the Ideal (and Later, Nonideal) Diode


    Current flow in insulators, good conductors, and semiconductors

    Electrons and holes

    Drift, diffusion, recombination, and generation

    Effects of semiconductor doping

    PN junction under thermal equilibrium

    PN junction under applied forward bias

    Reverse-biased diode

    The ideal diode equation

    Charge storage in diodes

    Charge storage in the diode under forward bias

    Reverse recovery in bipolar diodes

    Reverse breakdown

    Taking a look at a diode datasheet

    Some quick comments on Schottky diodes

    Chapter 3 problems

    Further reading

    Chapter 4. Bipolar Transistor Models


    A little bit of history

    Basic NPN transistor

    Transistor models in different operating regions

    Low-frequency incremental bipolar transistor model

    High-frequency incremental model

    Reading a transistor datasheet

    Limitations of the hybrid-pi model

    2N3904 datasheet excerpts

    Chapter 4 problems

    Further reading

    Chapter 5. Basic Bipolar Transistor Amplifiers and Biasing


    The issue of transistor biasing

    Some transistor amplifiers

    Chapter 5 problems

    Further reading

    Chapter 6. Amplifier Bandwidth Estimation Techniques


    Introduction to open-circuit time constants

    Transistor amplifier examples

    Short-circuit time constants

    Chapter 6 problems

    Further reading

    Chapter 7. Advanced Amplifier Topics and Design Examples


    Note on cascaded gain stages and the effects of loading

    Worst-case open-circuit time constants calculations

    High-frequency output and input impedance of emitter follower buffers


    Pole splitting

    Chapter 7 problems

    Further reading

    Chapter 8. BJT High-Gain Amplifiers and Current Mirrors


    The need to augment the hybrid-pi model

    Base-width modulation and the extended hybrid-pi model

    Calculating small-signal parameters using a transistor datasheet

    Building blocks

    Chapter 8 problems

    Further reading

    Chapter 9. Introduction to Field-Effect Transistors (FETs) and Amplifiers


    Early history of field-effect transistors

    Qualitative discussion of the basic signal MOSFET

    Figuring out the V-I curve of a MOS device

    MOS small-signal model (low frequency)

    MOS small-signal model (high frequency)

    Basic MOS amplifiers

    Basic JFETs

    Chapter 9 problems

    Further reading

    Chapter 10. Large-Signal Switching of Bipolar Transistors and MOSFETs



    Development of the large-signal switching model for BJTs

    BJT reverse-active region

    BJT saturation

    BJT base–emitter and base–collector depletion capacitances

    Relationship between the charge control and the hybrid–pi parameters in bipolar transistors

    Finding depletion capacitances from the datasheet

    Manufacturers' testing of BJTs

    Charge control model examples

    Large-signal switching of MOSFETs

    Chapter 10 problems

    Further reading

    2N2222 NPN transistor datasheet excerpts

    Si4410DY N-channel MOSFET datasheet excerpts

    Chapter 11. Review of Feedback Systems


    Introduction and some early history of feedback control

    Invention of the negative feedback amplifier

    Control system basics

    Loop transmission and disturbance rejection

    Approximate closed-loop gain of a feedback loop

    Pole locations, damping and relative stability

    The effects of feedback on relative stability

    Routh stability criterion (a.k.a. the “Routh test”)

    The phase margin and gain margin tests

    Relationship between damping ratio and phase margin

    Phase margin, step response, and frequency response

    Loop compensation techniques—lead and lag networks

    Parenthetical comment on some interesting feedback loops

    Chapter 11 problems

    Further reading

    Chapter 12. Basic Operational Amplifier Topologies and a Case Study


    Basic operational amplifier operation

    A brief review of LM741 op-amp schematic

    Some real-world limitations of op-amps


    Chapter 12 Problems

    Further reading

    Chapter 13. Review of Current Feedback Operational Amplifiers


    Conventional voltage-feedback op-amp and the constant “gain–bandwidth product” paradigm

    Slew-rate limitations in a conventional voltage-feedback op-amp

    The current-feedback op-amp

    Absence of slew-rate limit in current-feedback op-amps

    Manufacturer's datasheet information for a current-feedback amplifier

    A more detailed model and some comments on current-feedback op-amp limitations

    Chapter 13 problems

    Further reading

    Appendix: LM6181 current-feedback op-amp

    Chapter 14. Analog Low-Pass Filters



    Review of LPF basics

    Butterworth filter

    Comparison of Butterworth, Chebyshev, and Bessel filters

    Filter implementation

    Active LPF implementations

    Some comments on high-pass and band-pass filters

    Chapter 14 problems

    Further reading

    Chapter 15. Passive Components, Prototyping Issues, and a Case Study in PC Board Layout



    Comments on surface-mount resistors

    Comments on resistor types



    Discussion of some PC board layout issues

    Some personal thoughts on prototyping tools

    Chapter 15 problems

    Further reading

    Chapter 16. Noise


    Thermal (a.k.a. “Johnson” or “White”) noise in resistors

    Schottky (“shot”) noise

    1/f (“pink” or “flicker”) noise

    Excess noise in resistors

    “Popcorn” noise (a.k.a. “burst” noise)

    Bipolar transistor noise

    Field-effect transistor noise

    Op-amp noise model

    Selecting a noise-optimized op-amp

    Signal-to-noise ratio

    Things that are not noise

    Chapter 16 problems

    Further reading

    Chapter 17. Other Useful Design Techniques and Loose Ends


    Thermal circuits

    Steady-state model of conductive heat transfer

    Thermal energy storage

    Using thermal circuit analogies to determine the static semiconductor junction temperature

    Mechanical circuit analogies

    The translinear principle

    Input impedance of an infinitely long resistive ladder

    Transmission lines 101

    Node equations and Cramer's rule

    Finding natural frequencies of LRC circuits

    Some comments on scaling laws in nature

    Geometric scaling

    Some personal comments on the use and abuse of SPICE modeling

    Chapter 17 problems

    Further reading


    Appendix 1: Some useful approximations and identities

    Appendix 2: p, μ, m, k and M

    Appendix 3: MATLAB scripts for control system examples


Product details

  • No. of pages: 722
  • Language: English
  • Copyright: © Newnes 2013
  • Published: November 12, 2013
  • Imprint: Newnes
  • Paperback ISBN: 9780124058668
  • eBook ISBN: 9780124059085

About the Author

Marc Thompson

Dr. Thompson specializes in custom R/D, analysis, and failure investigations into multi-disciplinary electrical, magnetic, electromechanical and electronic systems at Thompson Consulting, Inc. (Harvard MA).

The author is also Teaching Professor of Electrical and Computer Engineering at Worcester Polytechnic Institute. He teaches graduate-level and undergraduate seminars in analog, power quality, power electronics, electomechanics, electric motors, rotating machinery, and power distribution for high-tech companies. He has taught for University of Wisconsin-Madison, covering classes in electric motors, electromechanical systems, power electronics and magnetic design.

Affiliations and Expertise

Thompson Consulting, Inc. MA, USA. Worcester Polytechnic Institute, MA, USA.

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