In this book, the author presents a new vision of learning through design and production, and describes computer programming as a source of a learning and design power. As means of studying this extended notion of children's programming, the author implemented "Instructional Software Design Projects" to explore the learning that takes place when students develop complete mathematical software products designed for other students in their school. The results demonstrate that the young designers learned not only about mathematics (fractions) and programming (Logo), but also about design and user interfaces, as well as representational, pedagogical, and communicational issues.
This A4 100 page Coloring Book has every team badge from the Top 50 ranked teams in the Champions League to color, and a brief introduction to each club.This unique book is a must for all Soccer fans and would make a fantastic Present or birthday gift for the new season
"Electromagnetic compatibility (EMC) is an engineering discipline often identified as "black magic." This belief exists because the fundamental mechanisms on how radio frequency (RF) energy is developed within a printed circuit board (PCB) is not well understood by practicing engineers. Rigorous mathematical analysis is not required to design a PCB. Using basic EMC theory and converting complex concepts into simple analogies helps engineers understand the mitigation process that deters EMC events from occurring.<br> <br> This user-friendly reference covers a broad spectrum of information never before published, and is as fluid and comprehensive as the first edition. The simplified approach to PCB design and layout is based on real-life experience, training, and knowledge. Printed Circuit Board Techniques for EMC Compliance, Second Edition will help prevent the emission or reception of unwanted RF energy generated by components and interconnects, thus achieving acceptable levels of EMC for electrical equipment. It prepares one for complying with stringent domestic and international regulatory requirements. Also, it teaches how to solve complex problems with a minimal amount of theory and math. Essential topics discussed include:<br> * Introduction to EMC<br> * Interconnects and I/O<br> * PCB basics<br> * Electrostatic discharge protection<br> * Bypassing and decoupling<br> * Backplanes-Ribbon Cables-Daughter Cards<br> * Clock Circuits-Trace Routing-Terminations<br> * Miscellaneous design techniques<br> <br> This rules-driven book-formatted for quick access and cross-reference-is ideal for electrical and EMC engineers, consultants, technicians, and PCB designers regardless of experience or educational background."<br> <br> Sponsored by:<br> IEEE Electromagnetic Compatibility Society
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