The Art and Science of Analog Circuit Design The EDN Series for Design Engineers J. Williams The Art and Science of Analog Circuit Design J. Lenk Simplified Design of Switching Power Supplies V. Lakshminarayanan Electronic Circuit Design Ideas J. Lenk Simplified Design of Linear Power Supplies M. Brown Power Supply Cookbook B. Travis and I. Hickman EDN Designer's Companion J. Dostal Operational Amplifiers, Second Edition T. Williams Circuit Designer's Companion R. Marston Electronics Circuits Pocket Book: Passive and Discrete Circuits (Vol. 2) N. Dye and H. Granberg Radio Frequency Transistors: Principles and Practical Applications Gates Energy Products Rechargeable Batteries: Applications Handbook T. Williams EMC for Product Designers J. Williams Analog Circuit Design: Art, Science, and Personalities R. Pease Troubleshooting Analog Circuits I. Hickman Electronic Circuits, Systems and Standards R. Marston Electronic Circuits Pocket Book: Linear ICs (Vol. 1) R. Marston Integrated Circuit and Waveform Generator Handbook I. Sinclair Passive Components: A User's Guide The Art and Science of An3iOQ H ^R • • ^|MB H ^9^r '^B^l Circuit Design Edited by Jim Williams Butterworth-Heinemann Boston Oxford Melbourne Singapore Toronto Munich New Delhi Tokyo Newnes is an imprint of Butterworth-Heinemann. Copyright © 1998 by Butterworth-Heinemann "\lS<^ A member of the Reed Elsevier group All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Recognizing the importance of preserving what has been written, Butterworth-Heinemann prints its books on acid-free paper whenever possible. Butterworth-Heinemann supports the efforts of American Forests and the Global ReLeaf program in its campaign for the betterment of trees, forests, and our environment. ISBN: 0-7506-7062-2 A catalogue record for this book is available from the British Library. The publisher offers special discounts on bulk orders of this book. For information, please contact: Manager of Special Sales Butterworth-Heinemann 225 Wildwood Avenue Woburn,MA01801-2041 Tel: 781-904-2500 Fax: 781-904-2620 For information on all Butterworth-Heinemann publications available, contact our World Wide Web home page at: http://www.bh.com 109876543 Printed in the United States of America MIT building 20 at 3:00 A.M. Tek. 547, pizza, breadboard. That's Education. This page intentionally left blank Contents Preface ix Contributors xi Part One Learning How 1. The Importance of Fixing 3 Jim Williams 2. How to Grow Strong, Healthy Engineers 9 Barry Harvey 3. We Used to Get Burned a Lot, and We Liked It 17 Barry Harvey 4. Analog Design Productivity and the Challenge of Creating Future Generations of Analog Engineers 31 Keitaro Sekine 5. Thoughts on Becoming and Being an Analog Circuit Designer 41 Gregory T. A. Kovacs 6. Cargo Cult Science 55 Richard P. Feynman Part Two Making It Work 7. Signal Conditioning in Oscilloscopes and the Spirit of Invention 65 Steve Roach 8. One Trip Down the 1C Development Road 85 William H. Gross 9. Analog Breadboarding 103 James M. Bryant 10. Who Wakes the Bugler? 121 Carl Battjes 11. Tripping the Light Fantastic 139 Jim Williams vii Contents Part Three Selling It 12. Analog Circuit Design for Fun and Profit 197 Doug Grant 13. A New Graduate's Guide to the Analog Interview 219 Robert Reay 14. John Harrison's "Ticking Box" 233 Lloyd Brown Part Four Guidance and Commentary 15. Moore's Law 251 Eric Swanson 16. Analog Circuit Design 263 John Willison 17. There's No Place Like Home 269 Jim Williams 18. It Starts with Tomorrow 279 Barrie Gilbert 19. The Art and Science of Linear 1C Design 327 Carl Nelson 20. Analog Design—Thought Process, Bag of Tricks, Trial and Error, or Dumb Luck? 343 Arthur D. Delagrange Index 391 mil Preface This book continues the approach originated in an earlier effort, "Analog Circuit Design—Art, Science, and Personalities." In that book twenty-six authors presented tutorial, historical, and editorial viewpoints on subjects related to analog circuit design. The book encouraged readers to develop their own approach to design. It attempted this by presenting the diver- gent methods and views of people who had achieved some measure of success in the field. A complete statement of this approach was contained in the first book's preface, which is reprinted here (immediately follow- ing) for convenience. The surprisingly enthusiastic response to the first book has resulted in this second effort. This book is similar in spirit, but some changes have occurred. The most obvious difference is that almost all contributors are new recruits. This seems a reasonable choice: new authors with new things to say, hopefully augmenting the first book's message. Although accomplished, some of this book's writers are significantly younger and have less experience at analog design than the previous book's authors. This is deliberate, and an attempt to maintain a balanced and divergent forum unencumbered by an aging priesthood. A final difference is the heavy capitalistic and marketeering influence in many of the chapters. This unplanned emphasis is at center stage in sections by Grant, Williams, Brown, and others, and appears in most chapters. The influence of economics was present in parts of the earlier book, but is much more pronounced here. The pristine pursuit of circuit design is tempered by economic realities, and the role of money as de- sign motivator and modulator is undeniable. We hope this book is as well received as the earlier effort, even as it broadens the scope of topics and utilizes new authors. As before, it was fun to put together. If we have done our job, it should be rewarding for the reader. Preface to "Analog Circuit Design—Art, Science, and Personalities" This is a weird book. When I was asked to write it I refused, because I didn't believe anybody could, or should, try to explain how to do analog design. Later, I decided the book might be possible, but only if it was written by many authors, all with their own styles, topics, and opinions. ix
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