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Interference Technology

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FCC to Test for Interference Between Wi-Fi and Cellular Phone Networks

 

The Federal Communications Commissions’ Office of Engineering and Technology has begun running tests in Seattle, WA to determine the extent of spectrum interference between next-generation Wi-Max systems and cellular phone networks. A provision of the FCC’s slated auction of the 2155- to 2180-MHz band is that a winning bidder must set up a free wireless broadband network. … [Read more...]

Kits Include All Needed Antennas for Shielding Effectiveness Testing

 

The AK-285R and the AK-285T from A.H. Systems are antenna kits that include all the antennas required for shielding effectiveness testing. Included are a log periodic antenna, a bi-conical antenna, an active monopole/loop antenna, and a double ridge guide horn antenna.  Each component has a specific storage compartment in the carrying case, thus forestalling possible loss or … [Read more...]

Solving the Galvanic Corrosion Issue in EMI Shielding

 

Tungsten carbide/aluminum composite particles inhibit galvanic corrosion of aluminum. Harry Fuerhaupter, Potters Industries, Inc. ABSTRACT An ongoing issue in the design of reliable EMC shielding is galvanic corrosion of aluminum. How can an aluminum frame be protected from galvanic corrosion if it contacts an EMI gasket containing non-aluminum particles? Chromate conversion … [Read more...]

Filtered AC Inlet Performs at High Frequencies up to 1 GHz

 

The 5150 Series of AC Filtered Inlets from Schurter utilizes X2Y® filter technology. These devices are characterized by broadband suppression properties to 1 GHz in tandem with a simple and universal input. Unlike previous products that used X2Y® but were limited to DC applications, the 5150 Series provides EMI protection for AC power input. X2Y® combines the X and Y capacitors … [Read more...]

Line of Small Shielded Chambers Targets Pre-Compliance Test Needs

 

A new line of small fully anechoic chambers from Netherlands-based Comtest meets a growing need for pre-compliance testing of small products. The chamber design is based on Comtest’s Pan-Shield shielding panels that provide high shielding effectiveness over a wide frequency range. Additional RF absorbers within the chamber prevent reflections from the metal walls that could … [Read more...]

More Conductive Material Products

 

Nickel Graphite Conductive Fillers Assure Corrosion Resistance in Severe EnvironmentsE-Fill™ nickel graphite powder from Sulzer Metco is a conductive filler used in the formulation of raw material for EMI gaskets and seals. Ni graphite powders are polymer additives that are usually combined with silicone to form electrically conductive elastomers. These nickel graphite … [Read more...]

Nickel Graphite Conductive Fillers Assure Corrosion Resistance in Severe Environments

 

E-Fill™ nickel graphite powder from Sulzer Metco is a conductive filler used in the formulation of raw material for EMI gaskets and seals. Ni graphite powders are polymer additives that are usually combined with silicone to form electrically conductive elastomers. These nickel graphite conductive fillers give EMI gaskets shielding capabilities comparable to that of silver … [Read more...]

IEEE EMC Society UKRI Slates Additional Demonstrations for EMC UK 2008 at Newbury

 

The IEEE EMC Society of the United Kingdom/Republic of Ireland has announced that it will be holding EMC-related demonstrations on October 14, and 15, 2008 during EMC UK 2008 at Newbury. There will be five demonstrations each day, and topics will include Static Electricity and Real ESD Sources, Live Demonstrations of Filter Topologies, Measuring Transfer Impedance to IEC … [Read more...]

Industry Reacts to JAMA Article on Possible RFID Hazards to Medical Electronics

 

As regular eNews readers may recall, a Dutch study on RFID tags and medical equipment published in the Journal of the American Medical Association (JAMA) indicated that the radio frequency emissions from these tags could have unintended and dangerous consequences by interfering with vital medical devices. Electrical interference was found to alter the rates of ventilators that … [Read more...]

Rainford EMC Systems' Perren Announces an Agreement with Wavecontrol

 

Garry Perren of UK-based Rainford EMC Systems has an agreement announced with distribution firm Wavecontrol for the countries of Spain and Portugal. This distributon agreement is for Wavecontrol to represent and support Rainford EMC’s growing EMC shielding and anechoic business. Perren stated “This is a great opportunity for both companies. We are constantly expanding our … [Read more...]

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