The Federal Communications Commission (FCC) has released a study completed last month by its Office of Engineering and Technology. One of the ongoing goals of FCC policy has been to expand broadband access to more citizens—especially in impoverished or rural areas. Any auction of this particular band would be conducted with the proviso that the winning bidder would be obligated … [Read more...]
Industry Canada Issues Technical Changes for Radiotelephone Systems
The Spectrum Management and Telecommunications division of Industry Canada has issued “Technical Requirements for Cellular Telephones Operating in the Bands of 824 – 849 MHz and 869 – 894 MHz.” This document, referred to as Issue 7 of SRSP (Spectrum Radio System Plan) includes a number of changes intended to bring about better coverage and higher throughput for mobile data … [Read more...]
Navy Plans to Buy EMI Shielded Cabinets
The Naval Surface Warfare Center, Panama City Division intends to purchase a number of EMI shielded, shock qualified equipment cabinets with two independent 235 CFM cooling fans, mounted in the top rear of the cabinet with the intake in the bottom. The cabinets will require EMI air filters on the intake and outflow. The cabinets must be certified to MIL-STD-461E, shipboard … [Read more...]
Managing & Planning the EMC of MOTS and COTS Used Within MOD Systems & Platforms
Defense contractors intending to supply military off-the-shelf (MOTS) and/or commercial off-the-shelf (COTS) electrical/electronic equipment for use on UK military platforms, or to integrate them into UK military systems now have new guidance on a risk assessment process for achieving electromagnetic compatibility (EMC). Pete Dorey, senior EMC consultant at TUV Product Services … [Read more...]
RFI Shielding for Volume Manufacture
PCB enclosure design, manufacture and assembly need to be considered early in equipment design to avoid costly modifications and delays in bringing the product to market. Alan Warner Tecan Components Ltd. Weymouth, UK With the proliferation of electronics, especially wireless and radio applications, in all areas of everyday life, the need for reducing radiated interference … [Read more...]
Simulation of In-Vehicle Human Exposure to Electromagnetic Fields from On-Board Transmittors
Numerical models can provide data from enormous numbers of points and for a number of human simulants Alastair R. Ruddle, PH.D., MIRA Limited Nuneaton, UK On-board transmitters are already commonly encountered in the vehicle environment; typical examples include mobile telephones, Bluetooth systems, and communications equipment used by the emergency services and armed forces. … [Read more...]
Parker Hannifin Acquires Remaining Assets of Parker Seal de Mexico
Parker Hannifin Corporation, the parent company of EMI shielding company Chomerics, has announced that as of April 30, 2008, it had acquired the remaining stake in a joint venture Parker Seal de Mexico. Parker had held a 49-percent interest in the $8.3-million company before buying the remaining assets from various partners. The terms of the acquisition were not disclosed. The … [Read more...]
EM Waves as Art
While some people want to ward off electromagnetic waves, others claim to see their aesthetic potential and are determined to embrace them as art. A group of European artists have opened a display of works in the German city of Dortmund that will run through June 29 at the PHOENIX Halle venue in Dortmund-Hörde. Waves: the Art of the Electromagnetic Society includes more than 30 … [Read more...]
Lotions and Potions vs. EMFs: the Controversy Continues
The French cosmetics firm Clarins has incurred the wrath of yet another consumer group. According to the Nevada based National Toxic Encephalopathy Foundation (NTEF), Expertise 3P Poly Pollution Protection (3P) products are touted as "the most advanced protection against every type of pollution known today...for the first time in cosmetology, it also protects against the … [Read more...]
Handheld ESD Detector Indicates Relative Electrical Strength of Each Event
The 3M™ ESD Pro Event Detector from 3M Electronic Solutions is a handheld portable instrument that detects and counts discharges and indicates the relative electrical strength of each ESD event on a bar graph display. The device is intended to provide a quick measure of ESD protection - critical factor in sensitive component applications such as electronics assembly and … [Read more...]
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