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Interference Technology

For EMI / EMC Engineers

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Shielding

New EMI Cages Introduced as Part of Next-Gen Interconnect Solution

 

Interconnect solutions provider Molex Inc. has released its new series of EMI cages. Part of the Molex zQSFP+(TM) interconnect solution, which supports next-generation 100 Gbps Ethernet and 100 Gbps InfiniBand Enhanced Data Rate (EDR) applications, the cages are assembled with zQSFP+ SMT connectors and are offered in 1-by-4 ganged and 1-by-6 ganged. The company is showcasing … [Read more...]

New Techniques in Shielding for EMI

 

NOTE: This article has been translated from Spanish to English. It can be found in its original language in the 2014 Europe EMC Guide. Tim Fornes, Ph.D. Senior Staff Scientist, Chemical Research LORD Corporation Electromagnetic interference (EMI) is an unwanted disruption in the communication of an electrical device caused by foreign electromagnetic waves. Such foreign waves … [Read more...]

IEC 62153-4-3:2013: Metallic Communication Cable Test Methods – Part 4-3: EMC – Surface Transfer Impedance – Triaxial Method

 

From the International Electrotechnical Commission webstore: IEC 62153-4-3:2013(E) determines the screening effectiveness of a cable shield by applying a well-defined current and voltage to the screen of the cable and measuring the induced voltage in order to determine the surface transfer impedance. This test measures only the magnetic component of the transfer … [Read more...]

Spring Contacts for Shielding, Grounding and Electrical Connection Applications

 

Harwin, a manufacturer of electrical and electronic interconnect solutions, has expanded its range of EZ-Spring Contacts with new contact styles and heights. Part of the EZ-BoardWare range of PCB hardware products, the surface mount spring contacts—also known as spring fingers or grounding contacts—are now available in 15 different sizes, ranging from 1.70mm to 7.25mm free … [Read more...]

Canadian Air Force Helicopters Beset With EMI Woes

 

Electromagnetic interference concerns are hampering progress on a Canadian Air Force project. According to The Canadian Press, the Canadian government has refused to accept four CH-148 Cyclone test helicopters currently parked at the Canadian Forces facility in Shearwater, N.S., on the basis that they are "non-compliant." Designed by Sikorsky Aircraft Corporation, the … [Read more...]

Patent Awarded for Modular Shielded Electronics Enclosure with EMI Seals

 

The U.S. Patent and Trademark Office has awarded patent No. 8508956, “Modular Shielded Electronics Enclosure,” to CareFusion 303, Inc. of San Diego, Calif. According to the background information supplied by the inventors, the new patent covers “a modular electronics enclosure that incorporates EMI shielding for the enclosed electronics [while] reducing the electromagnetic … [Read more...]

New Board Level Shielding Products Announced

 

TE Connectivity has announced the availability of new board level shielding (BLS) products, stamped or drawn one- and two-piece metal cages that help provide isolation of board level components, minimize crosstalk and reduce EMI susceptibility without impacting system speed. Ideal for use in smartphones and tablet computers, the new BLS products will use standardized features, … [Read more...]

Satellites Need Better Shielding from Space Weather, Say Researchers

 

Scientists are investigating the effects of extreme space weather on geostationary satellites with the intention of better preventing electronics failure. In a new study published in Space Weather, researchers from the Massachusetts Institute of Technology (MIT) say that solar flares, geomagnetic storms and other forms of electromagnetic radiation may be to blame for up to 26 … [Read more...]

Ultra-Low-Loss Flexible Microwave Coaxial Cables Meet Aerospace and Defense Specifications

 

Interconnect solutions provider Molex Incorporated has released a new line of microwave cable assemblies equipped that utilizes its Temp-Flex™ air-dielectric ultra-low-loss flexible microwave coaxial cables. Developed for device manufacturers specifying microwave coaxial cables in high frequency aerospace, defense and commercial applications, the Temp-Flex air-dielectric … [Read more...]

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