Some of his creative designs grew out of many years studying, identifying, isolating and. 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. This is the essential book reference for amplifier designers. Design from audio power amplifier design handbook by douglas self. Audio power amplifier design by douglas self nook book. This much expanded and updated fifth edition includes four new chapters. Douglas self has established straightforward but highly effective amplifier design techniques based on sound engineering principles and experimental data. Audio power amplifier design handbook, fifth edition. Audio power amplifier design, sixth edition by douglas. His rigorous and thoroughly practical approach has established him as a leading authority on audio amplifier design. The right of douglas self to be identified as the author of this work has been. How to select the best audio amplifier for your design. Audio power amplifier design handbook samuel groner.
The ambit aloof shows a channel, and the ability accumulation that it assists to the two channels. Several years ago i purchased a book about power amplifier design by douglas self. A friend of mine actually does design power amps, as a hobby, and he was quite keen on borrowing it from me. A new movingcoil amplifier configuration 2 the complete circuit 216 performance 216. The self detector 464 distortion in output relays 466 output crowbar dc protection 469. Audio power amplifier design, sixth edition by douglas self. Douglas embarked on a design with an absolutely transparent tone control system, and while he was at it, a very sophisticated excellently tracking volume control inspired by the legendary peter baxandall. Download for offline reading, highlight, bookmark or take notes while you read audio power amplifier design.
The audio amplifier will be a self contained, batteryoperated component. For practical transistors, s12 is very small but never 0. Power amplifier design 17 stability of amplifier problem. He also tackles unusual forms of compensation and unexpected. Introduction this note describes a simple and inexpensive highefficiency rf power amplifier based upon the new. Audio power amplifier design handbook 5th fifth edition by self, douglas published by focal press 2009 4. Audio power amplifier design handbook douglas self on. The tda8953 is a stereo or mono highefficiency class d audio power amplifier in a single ic featuring low power dissipation. Chapter 20 power supplies 525 opamp supplyrail voltages 525 designing a 15 v supply 527 designing a 17 v supply 529 using variablevoltage regulators 531 improving ripple performance 532 dual supplies from a single winding 533 power supplies for discrete circuitry 534 larger power supplies 534 mutual shutdown circuitry 536. Audio power amplifier design handbook by douglas self.
Douglas self is a british electronics engineer and author with a particular interest in audio. This is lifted from the precision preamp 96, designed by douglas self and published in wireless world. Discussions on power amplifier design sent to me by peter baxandall linear audio. Audio power amplifier design handbook third edition douglas self ma, msc newnes oxford amsterdam boston london new york paris san diego san francisco singapore sydney tokyo. Naturally, interest was hight at and carl huff took upon him the organisation of a group buy for the pramp pcb. This ambit is of an 2 x 2,500w rms stereo amplifier, superlight and after switchingmode ability supply. Chapter 20 power supplies 525 opamp supplyrail voltages 525.
The audio amplifier will be a selfcontained, batteryoperated component. Amplifier controls tone control tone control, shown in its most basic form in fig. Douglas self audio power amplifier design handbook. Their views were always accurate, refreshing and illuminating compared to the ravings of most modern pseudo gurus. Aug 22, 2006 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.
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. This may be look to other amplifiers that ufos are to planes. Laser harp diagram artistic rendition photodiode 24khz transducer 3 mw. It was published by focal press and has a total of 718 pages in the book. A class dg amplifier senses the magnitude of the output signal and then switches the supply rails, as needed, to supply the required signal power more efficiently. 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. 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. Aug 09, 20 audio power amplifier design handbook 5th fifth edition by self, douglas published by focal press 2009 4. Buy audio power amplifier design book online at low prices. Everyday low prices and free delivery on eligible orders. His quest for the blameless amplifier takes readers through the causes of distortion, measurement techniques, and design solutions to minimise distortion and efficiency. A complete trimodal amplifier circuit 323 the power supply 325 the performance 325 further possibilities 325.
He describes advanced forms of compensation that give dramatically lower distortion. Rfpower mosfets, a simple output transformer, and classd operation. Power amplifier design 18 conditions for stability requirement. Amplifier feedback external circuit feedback parasitic elements internal feedback path, e.
Im not an electronics engineer, so this book wasnt aimed at me, but it looked fascinating so i bought it. Audio amplifier design became simple because it is a deep clear description in lot of aspects done by douglas self. Douglas self covers all the design issues of noise, distortion, power supply rejection, protection, reliability, and layout. Their views were always accurate, refreshing and illuminating compared to the ravings of. Probability distribution function pdf approach is described in self 5. Although, simple is probably not the right word to use in conjunction with classd amplifier design. Buy audio power amplifier design handbook 5 by self, douglas, self, douglas isbn. Design from audio power amplifier design handbook by douglas self bias servo design from audio power amplifier design handbook by. 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.
This is the single best source of knowledge for anyone who wants to design an audio power amplifier, whether for fun or profit. The simplest way to get started is to use somebodys controller ic, or to use a selfoscillating reference design. The right of douglas self to be identified as the author of this work has been asserted in. Audio power amplifier design handbook 5th fifth edition by self, douglas. The title of this book is audio power amplifier design, sixth edition and it was written by douglas self. Audio power amplifier design handbook fifth edition douglas seif. Small signal audio design douglas self amsterdam boston heidelberg london. Audio power amplifier design 6th edition douglas self. 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. This book is the essential reference for audio power amplifier designers and. The high power amplifier has great advantages are 5000w ultralight, highpower audio amplifier, without switchingmode power supply.
Unilateral power gain gugt s120 s21 21g g 21gl 21gls221ggs112 note. The result of the design effort is a topnotch preamp thats brilliant not just sonically but also in terms of. Audio power amplifier design 6th edition by douglas self this book, is no lightweight read in both senses of the word. Read online and download ebook audio power amplifier design handbook. 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 selfs handbook is the essential guide to design principles and practice.
If you cant find the relevant backissue, i recommend that you buy his book self on audio, isbn 0750647655, which contains copies of most of his articles over the last 20 years. Author douglas self covers all the issues of distortion and linearity, power supplies, protection, reliability and layout. The audio power amplifier design handbook douglas self. The compact blameless power amplifier has been introduced to offer an economical and spaceefficient classb amplifer that gives all the benefits of blameless performance. The design features a sophisticated tone control system. In the second part of the lab you will construct a. Useful to fix an amplifier problem, for hobbyist or just for a. The douglas self site, audio amplifiers, the audio power amplifier design handbook. 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. It is mainly intended for use with loads that are nominally 8 ohms but will still give excellent performance into lower impedances. They produce an output of 250w or more at frequencies from 1. He also tackles unusual forms of compensation and unexpected sources of distortion such as capacitors and fuses. Notice that efficiency translates into either lower operation cost e. Tone controls have all but disappeared from commercial equipment as implementations were not always high enough quality.
The design engineer has to often concern himself with the efficiency of the power amplifier. I can recommend the book as a general source of audio power amplifier knowledge. Audio power amplifier design handbook ebook pdf djvu epub audio power amplifier design handbook download pdf epub djvu audio power. The audio ambit should be duplicated, but the ability. Douglas selfs writing on audio power amplifiers provides the reader with invaluable information. Audio power amplifier design handbook fifth edition douglas seif amsterdam boston heidelberg london new york oxford paris san diego san francisco singapore sydney tokyo focal press is an imprint of elsevier.
His audio power amplifier design handbook was recommended by walt jung and. Buy audio power amplifier design 6 by douglas self isbn. This book is the essential reference for audio power amplifier designers and engineers. Audio power amplifier design handbook 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 starting point was the mjr6, which was just an attempt to determine the simplest possible classb or classab amplifier circuit with adequately low distortion. I settled on a fairly simple power amplifier topology, using lateral power mosfets excicon 20n2020p20 because they are rugged, thermally forgiving, support very high current, and are fun to design with. Simple and inexpensive highefficiency power amplifier. Douglas self has dedicated himself to demystifying amplifier design and establishing empirical design techniques based on electronic design principles and experimental data. Doug self published a fullfledged preamp design in volume 5. Even if you follow the guidelines in this article and using a good reference design, some iteration will be required.
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