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