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商品の説明
内容説明
This book is the essential reference for audio power amplifier designers and engineers. Author Douglas Self covers all the issues of distortion and linearity, power supplies, protection, reliability and layout. He also tackles unusual forms of compensation and unexpected sources of distortion such as capacitors and fuses. This much expanded and updated Fifth Edition includes four NEW chapters, one of them dedicated to the XD crossover-displacement principle, invented by the author, and used by Cambridge Audio. The book has a wealth of new material on four-stage amplifier architectures, current-mirrors, power transistors with internal sensing diodes, amplifier bridging, subtle distortion mechanisms, input stage common-mode distortion, double input stages, amplifier stability, output stages with gain, transformers and hum fields, inrush current suppression, DC servo design, thermal protection, the subtleties of cooling fan control, advanced line input stages, ultra-low-noise design, high and low-pass filtering, testing and safety, infra-red control, signal activation, 12V trigger, level indication and much more. There is significantly expanded material on professional power amplifiers as used in sound reinforcement and PA applications. This book is a must-have for audio power amplifier professionals and audiophiles, amateur constructors and anyone with intellectual curiosity about the struggle towards technical excellence.
*Provides everything you want to know in one volume, offering an essential guide to design principals and practice *Includes numerous graphs and an easy to read layout to illustrate points and aid complete understanding. *Includes the author's own amplifier designs for readers to build upon and adapt
著者について
Douglas Self has dedicated himself to demystifying amplifier design and establishing empirical design techniques based on electronic design principles and experimental data. 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 a regular contributor.
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カスタマーレビュー
最も参考になったカスタマーレビュー
2 人中、1人の方が、｢このレビューが参考になった｣と投票しています。
形式:ペーパーバック
オーディオパワーアンプの設計に考慮しなければならないファクター、スルーレートやノイズに関して詳しく説明しています。本の構成も非常に良いです。インプットからアウトプットまでステージごとに説明しています。またプロテクション回路などの設計説明の章もあります。非常に良い本です。
Amazon.com で最も参考になったカスタマーレビュー (beta)
Amazon.com:
14件のカスタマーレビュー
33 人中、32人の方が、｢このレビューが参考になった｣と投票しています。
Essential reading for power amplifier designers
1999/2/24
形式:ペーパーバック
A generally thorough analysis of a much-misunderstood topic. Many writers have produced books and articles on amplifier design, but only a few have explored the topic in a truly scientific fashion. Many writers instead adopt a "cookery" approach, some even citing "ingredients" as the key to a good design (e.g. special capacitors and resistors, silver wire etc.) but with no clear justification except their own (biased?) personal claims of superior sonic performance. As a professional electronics designer and at the same time an audiophile, I suspect many of these designers are using speculation to cover for their lack of clear understanding.
Love him or hate him, Self at least avoids these sort of traps and, refreshingly, confines himself to demonstrable facts. Some of his comments will inevitably be ill-received by the subjective audio community, but his challenge is simple enough: if your approach sounds better, prove it. For example, he recommends we use blind listening tests under properly controlled conditions. Hopefully someone will rise to the challenge and perhaps subjective reviews will gain a better standing.
Some of my design philosophies differ from Self's, and there is certainly no shortage of other opinions out there! But whether or not you end up agreeing 100% with Mr. Self doesn't really matter. Either way, the book remains an excellent tutorial in the nitty gritty of power amplifier design. In particular I found the breakdown of the amplifier into its key stages,and the discussion of how these stages interact, most illuminating.
Study of this book will help amplifier designers of all persuasions in understanding and optimising their work, and I throughly recommend it.
23 人中、22人の方が、｢このレビューが参考になった｣と投票しています。
Recommended reading for anyone who wants to design an amp
1999/5/13
形式:ペーパーバック
This book is not a "cookbook" approach, but presents well researched and tested approaches. As such it is guaranteed to offend some people (evaluation of design changes and improvements is scientific, as opposed to subjective). Self uses the book to take a shot at much of the patently mumbo-jumbo in high end HiFi, which is entertaining! The book features the "blameless" amplifier and the circuit is given, but it would have been nice for the PCB layout (or a Gerber file..) to be included so that some quick experimentation can be done. The only minus (apart from that) is that there some areas not treated: Nested Differential Feeback loops being one. A very unique book, collecting together a lot of very valuable information.
17 人中、17人の方が、｢このレビューが参考になった｣と投票しています。
Bipolar Transistor Power Amplifier Bible
1998/7/14
形式:ペーパーバック
I can't imagine a better book about push-pull, audio bipolar power amplifiers. Self covers virtually every possible configuration with circuits, notes, simulations and measurements. This book includes an excellent chapter on power, heat and reliability based on many years of design , manufacturing and field service. He is truly an expert in all aspects of this amplifier topology.
He doesn't hide his disdain for MOSFETS, single-ended amplifiers and other "subjectivist" high-end concerns. Contrary to the findings of many others in this field, Self finds Total Harmonic Distortion the only measurement of amplifier quality that matters. He isn't convincing to this reviewer.
A "must have" book for anyone designing audio power amplifiers.
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