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Interference Technology

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Power Line Communications Chip Compliant with New EMC Standard

 

HD-PLC Alliance, an organization comprised of voluntary groups dedicated to promoting the use of fast power line communication (PLC) technology worldwide, has announced that the company’s IEEE 1901 HD-PLC chipsets have been certified as compliant with the new CENELEC EN50561-1 electromagnetic compatibility standard. According to Michimasa Aramaki, President and Chairman of the … [Read more...]

Integrated Circuits for EMI Reduction of Clock Dependent Signals

 

ON Semiconductor, a supplier of silicon solutions for energy efficient electronics has introduced a new series of active spread spectrum clock generator integrated circuits (ICs) to manage electromagnetic interference (EMI) and radio frequency interference (RFI) and deliver “system-wide EMI reduction of all clock dependent signals.” According to Ryan Cameron, vice president of … [Read more...]

Health Effects of Smart Meters Continue to Arouse Concern

 

In a national effort to create a “smart” electrical grid that can better predict peak energy use and system overloads while accommodating renewable energy sources, power companies are in the process of installing thousands of wireless meter-reading devices known as “smart meters” in homes and businesses across the United States. However, many consumers continue to voice … [Read more...]

FCC Increases Efforts to Combat Cell Phone Jammers

 

The FCC increased enforcement efforts this month to prevent the marketing and sale of illegal signal jamming devices. According to the Communications Act of 1934 that bans the blocking of radio communications in public, the sale or operation of devices that jam wireless communications is prohibited. In a recent statement from the FCC, the organization reveals its concern that … [Read more...]

Pennsylvania Voting Machine Malfunction EMI Related?

 

The recent election night proved to be a test for even the most determined voters. In addition to the long, slow-moving polling lines and the haphazard solutions put hastily into place for hurricane-ravaged areas of the Northeast, voters were also subjected to electronic voting machine malfunctions in several states across the country. In Pennsylvania, a voting machine was … [Read more...]

New Radar Technology Uses Microwaves to “See Through Walls”

 

Researchers at the Massachusetts Institute of Technology’s Lincoln Laboratory have created a new radar technology that will allow humans to see through a solid wall by emitting frequency waves at a low-power microwave signal. According to project leader Dr. Gregory Charvat, the technology was conceived with the idea that it would be used by U.S. soldiers in urban combat … [Read more...]

Immunity Tester for Use in EMC Testing Laboratories

 

Impulse test equipment supplier EMC-Partner has released the IMU3000 Immunity Tester for testing applications in EMC laboratories. According to the company, the IMU3000 provides the ability to “extend test capability with on-side upgrades, reduce service costs and  increase system availability.” IMU3000 covers all international standards and combines surge voltages up to 8kV … [Read more...]

Full-Digital Audio Amplifier Eliminates Need for Filtering Circuitry

 

Semiconductor manufacturer STMicroelectronics has released a full-digital, audio amplifier system-on-chip family for use in dash-mounted sound-system automotive control panels. According to the company, the new full-digital amplifier represents the company’s triumph over traditional cost, pc-board size and EMI issues that have confined automotive class-D applications to … [Read more...]

Practical Reasons for Shifting to the Application of Dielectric-Independent EMI Filters with Integral Surge Protection in Product Designs

 

Philip F. Keebler, D. Michael Evans and Nathan A. Reid KCE Engineering, LLC Knoxville, Tennessee 37918 Introduction The protection of equipment from threatening electrical disturbances that occur on the power grid and inside customer facilities and the protection of equipment from conducted disturbances (i.e., emissions) are critical to the life and operation of any electronic … [Read more...]

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