Tough math is made easier in this much-needed book of simple and unique solutions to a basic and widespread circuit design problem. All electronics engineers confront feedback issues that distort circuit and system performance; Friauf shows how to circumvent and/or analyze problems for satisfactory resolution. By breaking down the complex mathematics and verbally interpreting the results, he helps readers develop the intuitive "feel" that underlies practical solutions. Contains examples, worked-out problems, and a wealth of illustrated bode plots for visual interpretation and reference.
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Editorial Reviews
From the Back Cover
Feedback Loop Stability Analysis. Now you can exploit minimum phase characteristics-and simplify the analysis and design of high-performance feedback circuits-without all the complex math! Every electronic circuit designer knows how seriously incontrolled feedback can degrade circuit performance, but practical solutions have been hard to come by-and even harder to understand and apply. Feedback Loop Stability analysis offers a vastly simpler approach to feedback control. Focusing on minimum phase characteristics and new design curves for second- and third-order minimum phase systems, this text makes it easier than ever to optimize performance and streamline circuit analysis and design. The modest level of mathematics required by this book enables anyone-engineers, researchers, college and technical students-to better understand the virutes and stability problems of feedback systems. it provides detailed coverage of such topics as: Bode plots and Bode's weighting function; Loop characteristics, transfer functions, excess phase, and transducers; All types of loops-one-, two-, and three-time constant; Loop compensation, time domain characteristics, op amps, and PID control; Transport lags, other complications, and comparison of methdos. This concise illuminating book renders a difficult, fundamental topic intuitively accessible-while reducing the reader's dependence on computers, cleverly relating the mathematics involved to physical reality, and teaching the old-fashioned technique of confidently using simple tools to successfully solve complex problems. design
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Most Helpful Customer Reviews
6 of 6 people found the following review helpful:
5.0 out of 5 stars
A modern look at Bode plots for feedback control loops,
By Barry Hansen (Seattle, WA) - See all my reviews
This review is from: Feedback Loop Stability Analysis (Circuit Solutions Series) (Hardcover)
Many years after leaving college, I've started playing with closed loop control systems for small toys. (Think: science projects for kids!) This book was an excellent re-introduction to Bode plots, transfer functions, control loops and compensation. There was a wealth of practical information on modelling control loops containing various degrees of complexity. The sections on second-order loops and output stiffness were particularly useful for my purposes. Your mileage may vary depending on your application, but the book includes a good range of examples, and has something to offer any engineer doing practical circuit design.
7 of 8 people found the following review helpful:
3.0 out of 5 stars
Adequate introduction to control loop stability and analysis,
By steve_ranta@hp.com (Seattle, WA) - See all my reviews
This review is from: Feedback Loop Stability Analysis (Circuit Solutions Series) (Hardcover)
I took control theory in college and found it hard to grasp. The mathematics involved in analyzing control loops with higher order systems became daunting and difficult to postulate. Several years out of school, I ordered this book to help refresh myself in the principles of control loop design. Although the information presented is practically valid, the information is hard to decipher. The author's writing style is difficult to follow sometimes. I almost think the book was written quickly due to partially completed thoughts in sentences, awkward sentence structure, and run-on sentences. The chapters seem to be out of order and I found myself jumping forward and backward trying to tie the author's concepts together. I think that if one had never taken a control theory class and read this book, they would struggle with the topic due to the amount of "de-cyphering" required to comprehend the text. I believe the author does know what he is writing about but has trouble communicating his ideas in written text. If the author intends to write again, I would suggest a third party somewhat proficient in the subject manner check the grammar of the text.
4 of 5 people found the following review helpful:
2.0 out of 5 stars
Very simple preliminary stuff,
By A Customer
This review is from: Feedback Loop Stability Analysis (Circuit Solutions Series) (Hardcover)
This book is very simple and preliminary. I had bought this book with the intention of getting deep insight into feedback compensation networks that go in day to day power supply circuits. Unfortunately, I was disappointed. Even some general books like Switching power supply and Power supply cookbook have good amount of detail on compensation circuit. If you are a beginner, then this is probably the book for you.
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