May marks the dawn of a new blog created by Interference Technology with emphasis on Electromagnetic Compatibility. I am honored to have been asked to serve as the blogger in this newest venture to reach out to members of the community. I have written many articles over the years and have always strived to make them purely technical, easily readable, and non commercial. This … [Read more...]
Rail Car Company Works On EMI Problem
Kawasaki, the manufacturer of a number of new train cars slated for use in Greenwich, Conn., is working to fix software code problems, which included an electromagnetic interference problem that caused cars to disrupt railway signal systems and garbled on-board public address announcements. Under the state’s contract with Kawasaki, the first eight pilot cars must log at least … [Read more...]
University Breaks Ground on Nation’s Largest Engineering Building
University of Washington leaders recently broke ground on a molecular engineering building, including a large underground space protected from vibrations and electromagnetic interference. The completed building, the largest such lab space on the West Coast, will consist of a 28,000-square-foot basement, an 8,000-square-foot sub-basement, and four above-ground levels each … [Read more...]
System Uses EM Waves to Deliver Wireless Power through the Air
At the recent TED Global Conference in Oxford, UK, a US-based technology firm, WiTricity, demonstrated a system that delivers electricity through the air to power laptops, cell phones, and other electrical devices. This new system is based on the work of Professor Marin Soljacic, a physicist at the Massachusetts Institute of Technology. The concept of sending power wirelessly … [Read more...]
Towards an EMC Technology Roadmap
A technology roadmap is a tool for attaining the optimum development within a sector of technology. Marcel van Doorn Philips Electromagnetics & Cooling Competence Center, Eindhoven, the Netherlands INTRODUCTION This article expands earlier work on the concept of a technology roadmap for EMC technology.1 Just as a traditional terrestrial map helps insure that travelers … [Read more...]
Reverberation Chamber for EMC Testing
The reverberation chamber provides the most realistic simulation/equivalency for electronics functioning within a cavity. Er-Ping Li and Xing-Chang Wei Electromagnetic Labs, Institute of High Performance Computing, Singapore INTRODUCTION The problem is familiar, but growing. The widespread and ever-growing use of electronic devices with high-speed components increases the … [Read more...]
Understanding Inductance in the Real-World
As soon as current flows through metal conductors, inductance exists. Bruce Archambeault, Ph.D. IBM Distinguished Engineer, IBM, Research Triangle Park, NC, USA The concept of inductance is one of the most misunderstood concepts in electrical engineering. Terms such as ‘self inductance’, ‘loop inductance’, ‘partial inductance’, ‘mutual inductance’ are used with little … [Read more...]
Antenna Fundamentals
Introduction to Antenna Fundamentals A proper understanding of antennas requires familiarity with electromagnetics, circuit theory, electronics and signal processing. Candace Suriano, Ph.D., Suriano Solutions John Suriano, Ph.D., Nidec Motors, Auburn Hills, MI, USA Tom Holmes, Agilent Technologies, Tipp City, OH, USA Qin Yu, Alcatel-Lucent, Columbus, OH, USA How does … [Read more...]
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