Minggu, 16 Mei 2010

[Q833.Ebook] Download PDF Small Signal Audio Design, by Douglas Self

Download PDF Small Signal Audio Design, by Douglas Self

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Small Signal Audio Design, by Douglas Self

Small Signal Audio Design, by Douglas Self



Small Signal Audio Design, by Douglas Self

Download PDF Small Signal Audio Design, by Douglas Self

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Small Signal Audio Design, by Douglas Self

Small Signal Audio Design is a unique guide to the design of high-quality circuitry for preamplifiers, mixing consoles, and a host of other signal-processing devices. Learn to use inexpensive and readily available parts to obtain state-of-the-art performance in all the vital parameters of noise, distortion, crosstalk and so on. Focusing mainly on preamplifiers and mixers this practical handbook gives you an extensive repertoire of circuits that can be put together to make almost any type of audio system.

A resource packed full of valuable information, with virtually every page revealing nuggets of specialized knowledge never before published. Essential points of theory that bear on practical performance are lucidly and thoroughly explained, with the mathematics kept to an essential minimum. Douglas' background in design for manufacture ensures he keeps a wary eye on the cost of things. Includes a chapter on power-supplies, full of practical ways to keep both the ripple and the cost down, showing how to power everything.

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. You will learn why mercury cables are not a good idea, the pitfalls of plating gold on copper, and what quotes from Star Trek have to do with PCB design.

*Provides an enormous amount of knowledge in one unique volume, making it an essential guide to design principles and practice in the wide are of small-signal audio

*Includes numerous circuit blocks with all component values given so you can build on them and easily adapt them to your own requirements

*Lavishly illustrated with diagrams and graphs, and full of practical measurements on real circuitry so you can be sure just how well it will perform

Learn how to:

  • make amplifiers with apparently impossibly low noise
  • design discrete circuitry that can handle enormous signals with vanishingly low distortion
  • use humble low-gain transistors to make an amplifier with an input impedance of more than 50 Megohms
  • transform the performance of low-cost-opamps, how to make filters with very low noise and distortion
  • make incredibly accurate volume controls
  • make a huge variety of audio equalisers
  • make magnetic cartridge preamplifiers that have noise so low it is limited by basic physics
  • sum, switch, clip, compress, and route audio signals

  • Sales Rank: #1232896 in Books
  • Published on: 2010-01-26
  • Original language: English
  • Number of items: 1
  • Dimensions: 1.20" h x 7.40" w x 9.40" l, 2.30 pounds
  • Binding: Paperback
  • 576 pages

Review

"Douglas Self, who has been designing both pro and consumer audio products for more than 20 years gave an excellent tutorial on designing balanced interconnections. This talk was part of the Product Design track, so the goal, it seemed, was to expose product designers to the advantages of providing balanced connections (whether the user uses them at not) and that it can be done for very little added cost. He went through several evolutions of the differential amplifier and how to greatly improve common mode rejection for very little parts cost."--MikeRiversAudio.com

From the Back Cover

Small Signal Audio Design is a unique guide to the design of high-quality circuitry for preamplifiers, mixing consoles, and a host of other signal-processing devices. Learn to use inexpensive and readily available parts to obtain state-of-the-art performance in all the vital parameters of noise, distortion, crosstalk and so on. Focusing mainly on preamplifiers and mixers this practical handbook gives you an extensive repertoire of circuits that can be put together to make almost any type of audio system.

A resource packed full of valuable information, with virtually every page revealing nuggets of specialized knowledge never before published. Essential points of theory that bear on practical performance are lucidly and thoroughly explained, with the mathematics kept to an essential minimum. Douglas' background in design for manufacture ensures he keeps a wary eye on the cost of things. Includes a chapter on power-supplies, full of practical ways to keep both the ripple and the cost down, showing how to power everything.

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. You will learn why mercury cables are not a good idea, the pitfalls of plating gold on copper, and what quotes from Star Trek have to do with PCB design.

*Provides an enormous amount of knowledge in one unique volume, making it an essential guide to design principles and practice in the wide are of small-signal audio

*Includes numerous circuit blocks with all component values given so you can build on them and easily adapt them to your own requirements

*Lavishly illustrated with diagrams and graphs, and full of practical measurements on real circuitry so you can be sure just how well it will perform

Learn how to:

  • make amplifiers with apparently impossibly low noise
  • design discrete circuitry that can handle enormous signals with vanishingly low distortion
  • use humble low-gain transistors to make an amplifier with an input impedance of more than 50 Megohms
  • transform the performance of low-cost-opamps, how to make filters with very low noise and distortion
  • make incredibly accurate volume controls
  • make a huge variety of audio equalisers
  • make magnetic cartridge preamplifiers that have noise so low it is limited by basic physics
  • sum, switch, clip, compress, and route audio signals

About the Author
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.

Most helpful customer reviews

9 of 9 people found the following review helpful.
Do not buy the kindle edition
By Amazon Customer
For some reason that is not evident to me they have chosen to provide many of the circuit diagrams, charts and tables in the size of postage stamps in the Kindle edition. Reading this with kindle for PC as I do is futile. Attempts at zooming in to figure out what a component is, or behold the component value, just brings up a grainy pixelated mush.

Because the pictures are such an integral part of a book like this I give it a one star. The text however is excellent! With proper picture sizing I would have given it four or five stars.

If I were the author I would be furious with whomever decided on the ridiculous picture sizes and unzoomability in the editing process. Probably some feng shui obsessed teenybopper with cute fluffy bunny rabbits on the bed covers decided that schematics and graphs look untidy and should be kept small.

My humble suggestion for a solution to this is to make available to the customers an additional appendix with all the diagrams and schematics in a properly intelligibly readable size. I am willing to sign a waiver that large scale messy pictures with lots and lots of confusing squiggly lines with wicked 90 degree bends snaking their way between strange outlandish looking symbols will not damage my brain or induce some OCD triggered hyperventilation fit if that is what it takes. By putting the big images in an appendix the feng shui of the main text is not compromised, and the teenybopper with a passion for tidyness can go back to dreaming about pretty pretty pastel colored objects while listening to pop tunes with pitch-corrected vocals or whatever crap such a useless person is listening to.

As mentioned, this review covers the Kindle edition. The pictures may be OK in the paper version - I do not know. I also want to reiterate that the text is really good, the author has delivered a brilliant product.

10 of 12 people found the following review helpful.
Complete discussion of analog audio processing
By Mark Colan
Solid-state analog amplification has been around a long time. In recent years, the most important changes have been in fine-tuning componentry and circuit design to minimize noise and distortion. This book appears to give the state of the art for 2010, and it offers a cookbook-style approach for those who would like to build them, or just gain more insight on how things work.

The author defined his content, structured it well, and wrote about each topic at approximately the same level. This consistency is very helpful in treating the subject.

In my comments below, I point out some areas that are not covered. I do this to describe the book - NOT to criticize it. When a topic is missing, it is because it is outside of the intended scope of the book.

CONTENT

This book provides full coverage of high-quality, low-noise, and low-distortion analog audio preamplifiers and mixers, from circuits to amplify very low signals (mikes, phono cartridges), to input selection, volume and tone controls, balance and panning, metering, compression, and more. For each subject, he describes the circuit at a high level, with some discussion of key aspects of the design, and provides alternatives with their advantages and disadvantages.

Each circuit is a module that can be combined with others to create complete systems, for example, a preamp for a high-quality stereo system or a mixing board. To help you put it together, he has a short chapter on combining modules for a complete preamp, and some discussion and mixing board architecture.

At the end he includes a chapter on a variety of power supplies of the quality that is required for the audio circuits. Rather than give a complete treatment of power supplies, he gives several examples that illustrate the range that might be required.

Digital audio processing is NOT covered, except that he offers circuits for converting between analog to digital and vice versa, and for selecting inputs under digital control. Power amplification is not covered here: he has a separate book on that subject.

TARGET AUDIENCE

This is a cookbook with many practical circuits, complete with semiconductor numbers and values for all components, such that a person experienced in building electronics circuits could take the diagram, buy the parts, and build it.

It is not a beginners' book. He does not discuss how to build circuits, provide parts lists, circuit boards design, provide suppliers of parts, etc. There are many project-oriented books that offer this level of detail. Instead, we get many more design choices and the flexibility to build as we see fit.

It is also not an engineering text to teach you to design such circuits; he has done that for us.

For me, this practical treatment is perfect. I am confident I could build anything here from my past experience, and I don't need to know the operational details.

For those who would prefer the availability of circuit boards, unbuilt but complete kits, or built and tested versions, search the Web for "The Signal Transfer Company", which has some of these circuits available in kit or built forms. The link is also at the end of the book.

BOTTOM LINE

In a world where the electronics hobby has been snowed by ever-increasting complexity as the state of the art advances, this book is a breath of fresh air that makes sense of it all, and makes it possible for a non-pro to build precision equipment. For those seeking a cookbook of circuits they can combine to build what they need, it is exceptionally useful. It is everything I could want in a book of this subject, and better than any other treatment I have seen, so I can only give it five stars.

NOTE: I am an Amazon Vine reviewer. This book was provided to me free for my review, but I am not paid. My opinions are not influenced by getting a free book, nor am I asked to write positive reviews: I call them like I see them, and my reviews are not always positive.

10 of 13 people found the following review helpful.
Analog design in the Audio frequency range
By M. L Strickland
I am very impressed with this book because of the guidance it gives for the design of low noise, low distortion analog circuitry. Once the concepts in Self's book are mastered, the audio frequency range engineer can design circuits that rival the performance of vacuum tube circuits which have been the "gold standard" devices in the past.

The book is directed to relatively low signal level audio frequencies, but many of the principles can be extended to circuits for somewhat higher frequencies if the designer has the correct electronics engineering skills. All of the functions that an analog engineer would want to perform on a signal are covered. Once the signal has been modified in the desired manner, it can then be amplified to increase power. It is much easier the manipulate analog signals at low amplitude and power levels.

Audio circuits are the primary focus of this book, but instrumentation engineers, and control engineers will also find this book to be very helpful as well as anyone performing designs in these frequency ranges.

One of the other reviewers gives an excellent outline of the contents of the book so I won't try to repeat that information.

To fully understand and apply the information on this book, the designer should have experience in analog design using op-amps as well as semiconductor transistors of various types. Also, an analytical background in electronic circuitry would be very helpful to understanding and applying the principles in this book. The "hobbyist" would need some experience in analog design. A bachelor level electronic engineer would find it to be at the right level.

Anyone doing this type of design who is struggling with improving the noise and distortion performance of their circuits will find this to be an extremely helpful book.

See all 29 customer reviews...

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