Engineering Essentials

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  • Dec 19, 2013
    Commentary

    Book Covers DIY Open-Source Hardware for Science Projects 1

      Research projects can benefit from do it yourself (DIY) techniques to design and build open-source hardware. Open-Source Lab: How to Build Your Own Hardware and Reduce Research Costs was written by Joshua M. Pearce, a member of the faculty of Michigan Technological University, Houghton, MI. The book is intended as an introductory guide on how to take advantage of the benefits of open-source hardware for science-related projects. Briefly, the chapters are:...More
  • Sep 3, 2013
    Commentary

    Op Amps for Everyone 1

      Bruce Carter’s 4th edition of “Op Amps for Everyone” updates current technology associated with operational amplifiers, including some of the newer design aids. Carter mentions some of the early history of IC op amps that started with the µA709 designed by Bob Widlar. This was followed by the µA741 and hundreds more op amp ICs. Fig. 1 shows the schematic of a typical op amp. Carter’s 280-page op amp book has the following chapters: 1.     The Op Amps Place in the World...More
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