His quest for the blameless amplifier takes readers through the causes of distortion, measurement techniques, and design solutions to minimise distortion and. Douglas self is a british electronics engineer and author with a particular interest in audio. Audio power amplifier design handbook third edition douglas self ma, msc newnes. Recently, switch mode technology various forms of class d has been applied to high power amplifiers, most successfully for lowfrequency applica tions. Audio power amplifier design handbook douglas self on. It was published by focal press and has a total of 718 pages in the book.
This is the single best source of knowledge for anyone who wants to design an audio power amplifier, whether for fun or profit. The starting point was the mjr6, which was just an attempt to determine the simplest possible classb or classab amplifier circuit with adequately low distortion. Aug 22, 2006 self is senior designer with a highend audio manufacturer, as well as author of numerous magazine articles in the pages of electronics world wireless world. To drive the output power transistors, the digital pwm signal is fed to a control and handshake block and to high. Assuming a basic knowledge of electronics, this analysis is clear and easy to follow. Ece 145a218a power amplifier design lectures power amplifier design 1 52407 2 of 18 prof. Whether you are a dedicated audiophile who wants to gain a more complete understanding of the design issues behind a truly great amp, or a professional electronic designer seeking to learn more about the art of amplifier design, douglas self s handbook is the essential guide to design principles and practice. The title of this book is audio power amplifier design, sixth edition and it was written by douglas self. Tas5733l digital input audio power amplifier with eq and 3. The result of the design effort is a topnotch preamp thats brilliant not just sonically. At least 50 wchan into 8 ohms, but fully rated into 2 ohms. Long the small signal conjugate match leads to limitations on voltage and current swing. His rigorous and thoroughly practical approach has established him as a.
In parallel bridge tied load pbtl in can produce higher power by driving the parallel outputs into a single lower impedance load. Lower power midrange and highfrequency amplifiers can still use class h linear outputs to optimize audio performance with acceptable efficiency. This is the essential book reference for amplifier designers. Class d audio amplifier design, trend in class d amplifiers, traditional linear amplifier, basic pwm operation, analogy to buck dcdc converter, power dissipation in gate driver, gate driver for class d applications, mosfet technologies and thermal design. He also tackles unusual forms of compensation and unexpected sources of distortion such as capacitors and fuses. These two genres were chosen partly because they are of wide interest in themselves, but mainly because they use a large number of different functional blocks, with very little overlap. Read online and download ebook audio power amplifier design handbook. Author douglas self covers all the issues of distortion and linearity, power supplies, protection, reliability and layout. The power amplifier is broken down into separate sections and analysed in detail, with a view to designing a distortionless and very low noise power amplifier, from 20hz to 20khz. Douglas self is dedicated to demystifying speaker design and creating experimental design techniques based on electronic design principles and experimental data. Audio power ampli er design handbook by douglas self samuel groner february, 2011 1 introduction douglas selfs writing on audio power ampli ers provides the reader with invaluable information.
The audio power amplifier design handbook douglas self. The tda8953 is a stereo or mono highefficiency class d audio power amplifier in a single ic featuring low power dissipation. Audio power amplifier design 6th edition by douglas self this book, is no lightweight read in both senses of the word. Design considerations for highoutput portable amplifiers. Discussions on power amplifier design sent to me by peter baxandall linear audio. Switchedcapacitor versus switchedcurrent design the main requirements for audio modulators are. Im not an electronics engineer, so this book wasnt aimed at me, but it looked fascinating so i bought it. Douglas self offers a tried and tested method for designing audio amplifiers in a way that improves performance at every point in the circuit where distortion can creep in without significantly increasing cost.
Useful to fix an amplifier problem, for hobbyist or just for a. Speaker equalization improves audio 23 v performance. Download audio power amplifier design handbook pdf. Audio power amplifier design 6th edition douglas self.
His rigorous and thoroughly practical approach has established him as a leading authority on amplifier design, especially through the pages of electronics world where he is. The book provides a clear and practical guide to the state of the art, and includes detailed design and construction information. Download for offline reading, highlight, bookmark or take notes while you read audio power amplifier design. Many of selfs designs were originally published as doityourself projects for the. Besides presenting a truly high end audio control preamplifier for home construction, this article series also aims to show how lowimpedance design and multipleamplifier techniques can be used to significantly reduce the noise levels in analogue circuitry. Not important for ss amps, but crucial for power amps. He describes advanced forms of compensation that give dramatically lower distortion. The first few chapters cover the principles of highquality smallsignal design, moving on to look closely at first hifi preamplifiers, and then mixing consoles. His rigorous and thoroughly practical approach has established him as a leading authority on audio amplifier design. Audio power ampli er design handbook by douglas self samuel groner february, 2011 1 introduction douglas self s writing on audio power ampli ers provides the reader with invaluable information. Small signal audio design by douglas self goodreads. This may be look to other amplifiers that ufos are to planes.
Self is senior designer with a highend audio manufacturer, as well as author of numerous magazine articles in the pages of electronics world wireless world. An integrated amplifier that includes a phono input. Aug 09, 20 buy audio power amplifier design 6 by self, douglas isbn. Douglas self has called upon his years of experience at the cutting edge of audio design to compile this handbook for professionals and students. Sydney tokyo focal press is an imprint of elsevier focal press. Douglas self has dedicated himself to demystifying amplifier design and establishing empirical design techniques based on electronic design principles and experimental data.
Audio amplifier pcb design crosstalk rail induction distortion the mounting of output devices single and doublesided pcbs power supplies power amplifier pcb layout details the audio pcb layout sequence miscellaneous points amplifier grounding ground loops. Includes a chapter on powersupplies, full of practical ways to keep both the ripple and the cost down, showing how to power everything. Small signal audio design douglas self amsterdam boston heidelberg london. This much expanded and updated fifth edition includes four. His career as an electronics design engineer has spanned everything from serious mixing consoles to high. Lowcost audio equipment 3 description the tas5733l device is an efficient, digitalinput audio amplifier for driving stereo speakers configured as a bridge tied load btl. Reliable, conservative, robust design that will last forever. Douglas wears his learning lightly, and this book features the engaging prose style familiar to readers of his other books the audio power amplifier design handbook and self on audio. Class g amplifier design from audio power amplifier design handbook by douglas self input stage.
His audio power amplifier design handbook was recommended by walt jung and. Simple procedures for heatsinking and power supply design are given. Several years ago i purchased a book about power amplifier design by douglas self. Douglas self covers all the design issues of noise, distortion, power supply rejection, protection. His rigorous and pragmatic approach has proven just as a leading force in the design of amplifiers, especially through the pages of the electronics world where he contributes regularly. Tone controls have all but disappeared from commercial equipment as implementations were not always high enough quality. For each channel, the audio input signal is converted into a digital pwm signal using an analog input stage and a pwm modulator. Douglas selfs writing on audio power amplifiers provides the reader with invaluable information. Douglas self has established straightforward but highly effective amplifier design techniques based on sound engineering principles and experimental data.
Anyone interested in audio electronics will encounter the works of douglas self sooner or later. Tas5733l digital input audio power amplifier with eq and. Designing audio power amplifiers bob cordell new york chicago san francisco lisbon london madrid mexico city milan new delhi san juan seoul singapore sydney toronto. You could literally design a mixing console with the information in this book, and design it well.
Their views were always accurate, refreshing and illuminating compared to the ravings of most modern pseudo gurus. Douglas self has a worldwide reputation as a leading authority on audio amplifier design, but it is perhaps less well known that he has devoted a good deal of study to smallsignal circuitry, including many years as the chief design engineer at one of the major mixing console manufacturers, where his achievements included winning a design council award. Audio power amplifier design, sixth edition by douglas self. Load from an 18vsupply benefits wide powersupplyrange from 8 v to eq. Audio amplifier pcb design crosstalk rail induction distortion the mounting of output devices. The right of douglas self to be identified as the author of this work has.
Tas5705 1features sample rates 23 audio inputoutput thermal and shortcircuitprotection 20winto an 8. Doug self published a fullfledged preamp design in volume 5. Audio power amplifier design handbook by douglas self. Audio power amplifier design, sixth edition douglas self on. The design features a sophisticated tone control system. Many of selfs designs were originally published as doit. Audio power amplifier design handbook, fifth edition. I can recommend the book as a general source of audio power amplifier knowledge.
This book is the essential reference for audio power amplifier designers and engineers. A friend of mine actually does design power amps, as a hobby, and he was quite keen on borrowing it from me. His career in audio design is the foundation of a book that is based solidly on practical experience as well as a dedication to a methodology based on measurement, analysis and. An excellent bookzine by jan didden volume 0 contains an article by me on inclusive power amplifier compensation, and volume 1 has a note on capacitor distortion. Everyday low prices and free delivery on eligible orders. V audio amplifier design pdf 54p this note covers the following topics. However, tone controls can help to improve the sound in your. Audio power amplifier design handbook douglas self. Audio power amplifier design, sixth edition by douglas. But as pointed out in douglas selfs book small signal audio design and the fifth edition of audio power amplifier design handbook, a standard electronically balanced 5532 circuit such as the one pictured below with. Includes a chapter on power supplies, full of practical ways to keep both the ripple and the cost down, showing how to power everything. Audio power amplifier design by douglas self nook book. Audio power amplifier design handbook samuel groner. Audio power amplifier design handbook pdf pdfoverjunp.
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