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Interference Technology

For EMI / EMC Engineers

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Shielding

Cable Assemblies’ Enhanced EMI Shielding

 

Meritec’s RoHS compliant, QSFP+ Passive Copper Cable Assemblies include enhanced EMI shielding, which will reduce ultra low crosstalk and enhance overall performance, the company says. The assemblies mate with all standard QSFP interfaces, support belly to belly applications, provide a lower cost alternative to fiber optics, include multiple conductor sizes and features … [Read more...]

New Aluminum Cases Enhance EMI Shielding

 

Gainta Industries Ltd.’s new IP67 aluminum cases are made from ADC-12 aluminum alloy and include a conductive gasket to provide EMI shielding. With continuous silicon gasket, the cases meet IP67 rating of waterproof and dust and include wall mounting holes and fixing screw outside the sealing area for sealing protection.Learn more from Gainta. … [Read more...]

Noise Reducing Ferrite Filter Option Added to Mini-Din Connector Line

 

Regal Electronic Inc. has added a filtering option to its line of mini-din connectors. The ferrite filter is for common mode noise rejection. The addition of common mode noise reduction provides design engineers a broad range of performance options available with Regal's mini-din connectors, such as shielding and gaskets for tough EMI environments, and now filtering to reduce … [Read more...]

Low Pass RF Filter with Weatherproof Housing

 

Pulse, a Technitrol Company, announces the immediate availability of its point of entry RF filter module for multimedia over coax (MoCA) applications. The standalone CX5060 filter passes cable television (CATV) Docsis 3.0 signals, blocks MoCA signals, and provides RFI shielding and surge protection within a weatherproof metal housing. It is used by CATV service providers to … [Read more...]

New Clip-on Shield for Heavy Duty Applications

 

Holland Shielding Systems B.V. has developed a new clip-on shield 6600, a flexible rubber tube with an all metal cladding. The gasket can be easy clipped on to (stainless) steel or aluminium panels from 0.5 till 3mm thick, making it well-suited for EMI / EMC shielding, electrical conductivity, grounding / earthing, electrostatic discharge (ESD) and alternative for fingerstrips. … [Read more...]

The Effects of the New ESD Standard on ESD Simulators

 

Bruno Straumann, Senior Development Engineer,Haefely Test AG Basel, Switzerland. INTRODUCTION The new IEC 61000-4-2 Edition 2 standard, which replaces IEC 61000-4-2 Edition 1 1995, was initially announced in December 2008. Based on the revised IEC standard, the identical European standard EN 61000-4-2:2009 was also released. The new EN standard can already be applied for ESD … [Read more...]

HEMP Filter Design To Meet MIL -STD-188-125 PCI Test Requirements

 

ABSTRACT Philosophies for the best method of HEMP protection have been around for a long time. MIL-STD-188-125 -1 and -2 are more recent specifications for defining requirements for HEMP protection. They specify PCI (pulse current injection) testing techniques to demonstrate the integrity of the protection system, but require specialist test equipment capable of injecting high … [Read more...]

Some Interesting Twists about Ethernet Cabling

 

A recent TechRepublic.com blog explains why Ethernet cable is built the way it is and discusses how electromagnetic interference comes into play from crosstalk from pairs of wire within the same cable. Shielded Twisted Pair cabling, which uses metal-foil shielding that directs any external noise to ground, is used if there is an abnormal amount of electromagnetic … [Read more...]

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