音频功率放大器设计手册(英)道格拉斯·索夫 第五版

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此书是我们从世界著名出版集团爱思唯尔引进的功放设计师的权威实用手册,作者道格拉斯·索夫(Douglas Self)是功率放大器设计方面的权威学者,在此书中,他汇集自己多年的功放设计实例,深入浅出地讲解功放的设计和制作的细节。索夫的功放设计理念是,基于电路原理、实验数据及综合经验进行设计。他希望借此能使功放设计领域显得不是那么神秘。
This Page is Intentionally Left blank Audi。P。wer Amplifier Design Handbook Fourth edition D。 uglas Self MA,MSc AMSTERDAM· BOSTON·HE| DELBERO· LONDON· NEW YORK· OXFORD PARS· SAN DIEGO· SAN FRANCISCO·S| NGAPORE· SYDNEY· TOKYO ELSEVIER Newnes is an imprint of elsevi Newnes Newnes is an imprint of Elsevier Linacre House, Jordan Hill, Oxford OX2 8DP 30 Corporate Drive, Burlington, MA 01803 First published 2006 Copyright O 2006, Douglas Self. All rights reserved The right of Douglas Self to be identified as the author of this work has been asserted in accordance with the Copyright, Designs and Patents Act 1988 No part of this publication may be reproduced in any material form(including photocopying or storing in any medium by electronic means and whether or not permission of the copyright holder except in accordance with the provisions of tf o transiently or incidentally to some other use of this publication) without the writt Copyright, Designs and Patents Act 1988 or under the terms of a licence issued Q by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London, England W1T 4LP. Applications for the copyright holders written permission to reproduce any part of this publication should be addressed to the publisher Permissions may be sought directly from Elseviers Science and Technology Rights Department in Oxford, UK: phone: (+44)(0)1865 843830; fax: (+44)(0)1865 853333; e-mail: permissions @elsevier. co. uk. You may also complete your request on-lineviatheElsevierhomepage(http://www.elsevier.com),byselecting Customer Support and then 'Obtaining Permissions British Library Cataloguing in Publication Data Self, Douglas Audio power amplifier design handbook.--4th ed 1. Audio amplifiers- Design 2. Power amplifiers-Design Title 621.381535 Library of Congress Control Number 2006927666 SBN-13:978-0-7506-8072-1 SBN-10:0-7506-8072-5 For information on all Newnes publications visitourwebsiteatwww.newnespress.com Printed and bound in great Britain 06070809101098765432 Working together to grow libraries in developing countries www.elsevier.comwww.bookaid.orgiwww.sabre.org ELSEVIER ookaId Sabre Foundation International Contents topsis to fourth editi Preface ntroduction an 2. History, architecture and negative feedback 31 3. The general principles of power amplifiers 62 he small sigr 75 5. The output stage 109 6. The output stage II 166 7. Compensation, slew-rate, and stability 186 8. Power supplies and PSRR 239 9. Class-a power amplifiers 259 10. Class-G power amplifiers 294 11. Class-D amplifiers 319 12. FET outi 328 13. Thermal compensation and thermal dynamics 339 4. The design of DC servos 385 15. Amplifier and loudspeaker protection 397 16. Grounding and practical matters 432 7. Testing and safety 454 464 This Page is Intentionally Left blank Synopsis Chapter 1 Introduction and general survey The economic importance of power amplifiers Assumptions Origins and aims The study of amplifier design Misinformation in audio Science and subjectivism The Subjectivist positi a short history of subjectivism The limits of hearing Articles of faith: the tenets of subjectivism The length of the audio chain The implications The reasons wh The outlook Technical errors The performance requirements for amplifiers Reliability Frequency response nois Distortio Damping factor Absolute phase Chapter 2 History, architecture and negative feedback a brief history of amplifiers Amplifier architectures noesIs The three-stage architecture The two-stage amplifier architecture Power amplifier classes ClaSS-A Class-AB ass-B CCCc lass-C D laSs-E Class-F Class-G Class-H Class-S Variations on Class-B Error-correcting amplifiers Non-switching amplifiers Current-drive amplifiers The bromley principle Geometric mean ClaSS-AB Nested differentiating feedback AC- and DC-coupled amplifiers The advantages of AC-coupling The advantages of DC-coupling Negative feedback in power amplifiers Some common misconceptions about negative feedback Amplifier stability and nfb Maximising the nFb Maximising linearity before feedback Chapter 3 The general principles of power amplifiers How a generic amplifier works The advantages of convention The eight distortions Distortion one: input stage distortion Distortion two: vas distortion Distortion three: output stage distortion Distortion four Vas loading distortion Distortion five: rail decoupling distortion Distortion six: induction distortion Distortion seven: nfb takeoff distortion Distortion eight: capacitor distortion Non-existent distortions The performance of a standard amplifier Open-loop linearity and how to determine it noesIs Direct open-loop gain measurement Using model amplifiers The concept of the blameless amplifier Chapter 4 The small signal stages The role of the input stage Distortion from the input stage BJTs vs FEts for the input stage Advantages of the FET input stage Disadvantages of FET input stage Singleton input stage versus differential pair The input stage distortion in isolation Input stage balance The joy of current-mirrors Improving input-stage linearit Radical methods of improving input linearity Input stage cascode configurations Input noise and how to reduce it Offset and match: the DC precision issue The input stage and the slew-rate The voltage-amplifier stage Measuring vas distortion in isolation VAS operation vas distortion Linearising the VAS: active load techniques VAS enhancements The importance of voltage drive The balanced VAS The VAS and manipulating open-loop bandwidth Manipulating open-loop bandwidth Conclusions Chapter 5 The output stage Classes and devices The distortions of the output Harmonic generation by crossover distortion Comparing output stages The emitter-follower output The Cfp output Quasi-complementary outputs Triple-based output configurations Triple EF output stages Distortion and its mechanisms

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fengyunxinwei 很不错的一本书
2014-10-20
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