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If you read ALL the reviews of ALL seven volumes of Graf's general encyclopedia series, PLUS Graf's 5 "specialty" circuit books (Oscillators, Amplifiers, Detectors, Measuring and Converters), you'll get a noticeable trend: these books are either for very new hobbyists or designers OR very experienced engineers!

Both are actually right, as the series depends on your goals. Since a lot of the info is outdated, it also means a lot is public domain, and you can find some real "gem ideas" that have been forgotten, and with modern component updates, can become the material for a new patent, or components thereof. Circle M's are usually abandoned within 9 years, and didn't even exist back then.

In that vein of advanced scanning, another advanced requirement is the ability to calculate missing values and spot mistakes. Eg. Graf gives a digital power monitor circuit with a missing reset switch and only one (R2) of two resistor values. You can use VSense=r1 + 10K/10K * 2.3, for example, to solve for r1, and use vsense over your VTP, with test values, to get your max voltage.

So, for the newbies, hobbyists and new inventors. Hey, with the right attitude, figuring out the mistakes (without blowing yourself up or burning your garage down) can be a challenge! If you compare circuits with online resources and the awesome McGraw Hill circuit (troubleshooting) series (volume 4 is awesome but very rare and expensive-- had to buy if from India: McGraw-Hill Circuit Encyclopedia and Troubleshooting Guide, Volume 4), you can become the Sherlock Holmes of the design world with this series! Think of it as a puzzle and you won't get as ticked off as some of this series' reviewers seem to!

I test circuits, especially for law firms and inventors, at payroy dot com, for reference, so my perspective and bias is new as well as experienced inventors. If you're an inventor and combine these series with, for example, Practical Electronics for Inventors, Third Edition, you'll have a wonderful and huge set of resources to compare TO the modern web or even smartphone app circuit resources. They say a chess grandmaster has 50,000 positions memorized, I'm guessing that the best inventors eventually have thousands of circuits in mind too! Learning to judge the bad from the good is what the other reviewers who trash this series know how to do-- but studying both good and bad is a GREAT way to learn the difference, as well as spot undiscovered or forgotten gems. Old isn't always bad!!!

Library Picks reviews only for the benefit of Amazon shoppers and has nothing to do with Amazon, the authors, manufacturers or publishers of the items we review. We always buy the items we review for the sake of objectivity, and although we search for gems, are not shy about trashing an item if it's a waste of time or money for Amazon shoppers. If the reviewer identifies herself, her job or her field, it is only as a point of reference to help you gauge the background and any biases.
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on October 25, 2017
ok book like it.
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on January 26, 2011
If you are into creating electronic gadgets or love tinkering with electronic parts, then this is the book for you.
There are lots of beneficial, as well as "just fun" projects, contained within this publication.
This book can also serve the "electronic dreamer" with lots of food for thought...a good volume to own if you are interested in electronics to varying degrees.
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on September 28, 2016
Very complete listing of many commonly used circuits. SOME of the referenced circuits fail to show pinouts (on ICs), but these can be obtained from online datasheets for the IC. It would be nice to have a parts list for the circuits, also.
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I ordered this book, Encyclopedia of Electronic Circuits, Volume 7 [Paperback], to keep around for circuit studies. I can use it for reference and to look up circuits and be relatively sure they have been tried and proven to work. This book is, extensive and has circuits, named and explained, over a thousand of them and yet it is a shortened version of the hardbound. It is an invaluable reference tool for me, and I am just a hobbyist electronics technician rather than a professional. It just about has any type of circuit you might want to make or study. Organized alphabetically and by circuit type, this collection includes something for each circuit, you would find when you are doing experiments or study of electronics. With each circuit you'll find a brief explanation of its operation and more information regarding adjustments or alignment. This is a valuable tool for my work bench.
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on November 19, 2017
thorough and complete! Great to keep for reference. (used it to create some lighting and alarm circuits )
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on March 18, 2013
The set of Encyclopedia of Electronic Circuits is a 7 volume set of copies of MANY different circuits copied from many sources. They are circuits covering almost every imaginable electronic device you could want. And if there are different ways of building the circuit, it will show them too. It will give you a exhaustive supply of building blocks to help you put together any device you might wish to build.
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on November 15, 2014
Fast shipping and hassle free ordering! Great product! Will order again!
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on August 9, 2013
The encyclopedia of circuits volume 7 has circuits for all kinds of applications. Now I want to collect volumes 1-6
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on March 1, 2015
Delivered on time and lots of information and ideas. For me, it is a must have in my collection! Giving me new ideas on curcuits
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