David Zhang, Nima Molaei, Leslie Bai Abstract New European Union Directive requirements have been introduced for 2.4GHz ISM Data Transmission Equipment, which will be in effect starting January 1, 2015. This article presents an overview of the regulatory compliance requirements, and provides a detailed analysis on the differences between the current standard ETSI EN 300 328 … [Read more...]
2013 EMC Salary Survey
By Vinti Singh As the electronics industry continues to expand, employment opportunities for EMC engineers continue to grow as well. Products are becoming increasingly complex, and compatibility issues are arising ever more frequently. With each new advancement, EMC engineering jobs around the nation become more important, and more secure. Experienced EMC engineers, especially … [Read more...]
EMI Shielding Provided in a New Housing Structure
Justin Moll Director of Marketing VadaTech, Inc. 702-896-3337 www.vadatech.com MicroTCA is an open-standard embedded computing architecture developed by the PCI Industrial Computer Manufacturer’s Group (PICMG). The technology offers tremendous performance in a small form factor. The design of the systems provides inherent EMI protection for all types of designs and … [Read more...]
Charge Generation of ESD Sensitive Devices: Understanding the Risks of Protective Packaging
Bob Vermillion, CPP/Fellow Certified ESD & Product Safety Control Engineer-iNARTE RMV Technology Group, LLC NASA-Ames Research Center Moffett Field, CA 94035 Several years ago, Ray Gompf, Ph.D., PE (Ret.), NASA, Kennedy Space Center and the author evaluated 7” x 7” ESD corrugated, Kraft and bleached B-Flute corrugated substrates for Tribocharge Generation at low … [Read more...]
Defending Ethernet Ports from Electrical Transient Events
Timothy Puls Semtech Corporation Ethernet is ubiquitous. From base station backhaul, to wireless access points, to IP surveillance cameras – Ethernet is found everywhere. And, the devices enabling this Ethernet traffic – the miniature transceiver ICs driving the communications infrastructure – are more advanced than ever before. Before 2010, Ethernet physical-layer … [Read more...]
A National Plan for EMP Protection (Part 1)
Don White Consultant, Don White Consultants Jerry Emanuelson Consultant INTRODUCTION This article has two parts. It begins with a brief EMP historical review demonstrating the field strength threat that must be shielded against in order to assure survival of electrical and electronic items and systems, and the retention of our modern lifestyle. Next comes planning, … [Read more...]
CMOS is Different: PCB Design for Both Low Noise and Low EMI
Earl McCune, RF Communications Consulting ABSTRACT Achieving low power supply noise does not automatically assure low EMI. Fortunately a PCB layout designed for low EMI does automatically result in low noise. The techniques presented here do achieve both goals. INTRODUCTION Much has been written, spanning several decades, on how to design printed circuit layouts for low … [Read more...]
2013 EMC Test & Design Guide
Welcome to the the 2013 Interference Technology EMC Test & Design Guide, where you will find articles on PCB design for low noise and low EMI; Defending Ethernet Ports from Electrical Transient Events; Part One of a National Plan for EMP Protection; a feature story on EMC employment and a world-wide test lab directory. View the issue here. … [Read more...]
Antenna Coupling Inside an Aircraft Using ACA Direct Method
Pascal De Resseguier, Entares Engineering, Toulouse, France Yannick Poiré and Samuel Leman, Nexio, Toulouse, France ABSTRACT A proper study of electromagnetic interferences inside an aircraft has become essential with the recent increase of electronic devices on board. Their effects on the airplane communication and electronic systems need to be considered at an early stage … [Read more...]