Showing posts with label technical. Show all posts
Showing posts with label technical. Show all posts

2/21/2012

Optimizing Op Amp Performance Review

Optimizing Op Amp Performance
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This book is an excellent treatment of this subject that is intuitive and not overly theoretical. It draws together a lot of material available in magazines and on vendor websites, but not available in book format. The author starts with the traditional op amp symbol, and derives Black's classic feedback model for various configurations (inverting, non-inverting, etc) of the op amp. A generalized expression for the closed loop gain is eventually obtained where the numerator is the ideal closed loop gain, and the denominator contains the frequency response that can be analyzed with the aid of the Bode plot. Practical design issues are logically addressed using this simple formalism including bandwidth, phase compensation for input and output capacitances, power supply by-pass requirements, distortion, etc. Care is taken to indicate what conclusions apply to all op amp configurations, and which address specific design issues. As a writer, the author is very pointed in his approach and thorough with his analyses; and will not win any awards for fiction suited for a general audience. However, I highly recommend the book to anyone trying to learn how to use op amps in a systematic way.

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A new approach for maximizing op amp behavior in circuit designs- without extensive mathematical analysis This guide from one of the world's leading op amp designers takes you through the causes of op amp performance problems- such as oscillations, errors, bandwidth limitations, noise, and distortion - and shows you how to develop simple models and design equations that lead to optimal results. You'll find detailed solutions for feedback conditions; power supply bypass; phase compensation; reducing radiated interference; and measuring distortion.Combining intuitive and mathematical evaluations, this get-it-done tool packs varied examples that enable you to optimize a range of performance characteristics.

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2/20/2012

Troubleshooting and Servicing HVAC&R Electrical Systems Review

Troubleshooting and Servicing HVACandR Electrical Systems
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If you actually have good skill in electricities concept and pratical use maybe you will find this book too much elementary. It proposes good info. and a easy to understand chapter on troubles shooting but i find they could put more info. and some higher level of theories without to fall on a engineer type of writting. You could find the same info. in the Answer Man pocket reference from the same editor.Ron b.

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This book details HVAC&R electrical system operation, systematic troubleshooting and service. It was written with the non electrician in mind. It provides service technicians with all the information necessary to accurately diagnose and solve electrical system faults. Sections on safety, schematic interpretation, system components, motors, electric heat and troubleshooting are included.

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12/11/2011

Above Ground Storage Tanks Review

Above Ground Storage Tanks
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As a mechanical engineer with nearly 30 years of process equipment experience, I find this book invaluable for the design, specification and operation of storage facilities.
Meyers has a well organized, informative text with an easy to find index. The book is particularly useful where the pros and cons of design alternatives are compared. I have seen heated discussions resoved based on Meyer's recommendations.
As anyone who has delt with tank design over the past several years can tell you, design practices, recollections and anecdotes, combined with the occasional company guideline were the only references available. Now Meyers comes forth with an authoritative text that fills a long standing need.
Purchase this book along with the Aboveground Steel Storage Tank Handbook by Brian Digrado and you have (virtually) everything important that has been written about aboveground storage tanks.

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The one reference devoted exclusively to aboveground storage tanks (ASTs), this book helps owners and regulators understand the design, operation, and maintenance of ASTs in the face of new industry regulations and meet the rigorous compliance requirements. Here is an ideal handbook for chemical, environmental, and civil engineers, and others concerned with the regulatory issues of ASTs. Sections examine various types of storage media and their applications; fundamental environmental engineering concerns; how to select the right industrial codes and standards for the tank; design considerations for ASTs; the construction, fabrication, and erection of tanks; and the requirements designed to keep ASTs environmentally sound.

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12/01/2011

Control System Design Guide, Third Edition: Using Your Computer to Understand and Diagnose Feedback Controllers Review

Control System Design Guide, Third Edition: Using Your Computer to Understand and Diagnose Feedback Controllers
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While the 1st edition of the book is itself a good text on the subject, how could this book be improved upon? It appears that the 1st edition is at best only an outline of what appears it the 2nd edition. Each of the subjects is covered in much more detail than the 1st edition. New subjects have also been added. Just the section on motors makes this book worth reading. The appendix is very interesting reading, and could almost be made into a quick reference book itself!
The book is well organized, and subjects are presented in a logical sequence: The Z domain makes a lot more sense if one first understands the S domain. The writing style is excellent, and has a way of explaining potentially confusing material, in a simple, clear manner. The mathematics throughout the book helps explain the much of theory, but if the reader doesn't care for the math, an understanding of the subject can still be gained without it.
Many college texts approach the subject from theory alone. While this book also provides the theory, it also presents the practical application side in a perfect balance. It is apparent that the author has worked in the real world. Also appreciated was the free Model-Q software examples sprinkled through out the book. They enable a reader the ability to experiment with the examples, and gain a better understanding of each of the subjects.
While this text is a very thorough, where a reader wants to explore a subject further, the numerous references to other sources are everywhere. No matter how much you think you may know about the subject, there is something everyone can learn from this book. This book is control systems A-Z, and is the best book I have seen on the subject. I highly recommend this book to anyone regardless of his or hers expertise level.
-Dave Trapasso

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