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...]
Automotive Transient Emission Test System Complies with ISO 7637-2
The new AES 5500 automotive transient emissions system from Teseq is the only complete solution for emission testing that is compliant to ISO 7637-2. This compliance makes this system the logical choice for testing the compatibility of conducted electrical transients of equipment installed in passenger cars and light commercial vehicles fitted with a 12-V electrical system. The … [Read more...]
New 1394 Standard on Copper in Vehicle Applications Said to Overcome EM Problems
The 1394 Trade Association has introduced the new 1394 Automotive specification for copper cabling media designed to optimize the use of the 1394 (FireWire™) standard in entertainment, environmental control, camera, and other in-vehicle applications. The new specification extends the original IDB-1394 Automotive Specification to include operation over cost-effective … [Read more...]
Solar Inverters and the Issue of EMC Compliance
EMC regulation of solar installation equipment has failed to keep pace with actual developments. Siegfried W. Best As populations throughout the world become more aware of environmental issues and the necessity of forestalling further damage and pollution, attention has been focused on finding eco-friendly means of generating electric power. Wind farms are one highly touted … [Read more...]
Electrical Noise Shielding Jacket Protects Data Cables
Swift-Lock from Swift Textile Metalizing (STM) LLC is used to close an electrical shielding jacket that covers each data cable and prevents the manufacturing equipment floor from interfering with computers and bar code readers used on the factory floor. Swift-Lock is a reusable electrically conductive hook-and-loop for grounding static electricity and closing shielding … [Read more...]
RF Filters Available in Both Standard and Custom Models.
The µFilter™ line of RF filters from NuWaves Ltd. are offered in both standard and custom frequency models offering a wide frequency range and housed in a small, rugged aluminum case that measures a compact 1.0 x 0.75 x 0.5 inch. These filters use SMA connectors to provide design versatility as modules can be changed easily as filtering needs change. The custom designed models … [Read more...]
Filter Connectors Provide EMI/EMP and ESD Protection
A line of Filter Connectors from Amphenol utilizes two manufacturing technologies to provide cost effective performance across the indicated frequency range. All filter contacts with the connector share a common ground plane, which is connected to the filter shell. The pin-to-pin isolation is 85 dB minimum at 100 MHz. The planar capacitor design joins pins to a multi-layered … [Read more...]
Connector Company Expands Fiber Optic EMI Adapters Product Line
Molex expands its Fiber Optic EMI (Electro Magnetic Interference) Shielding Adapters product line to allow for more design flexibility. New features include a Multi-Format 45 degree rear mount single screw EMI adapter.The new version allows internally mounted simplex LC Connectors to mate directly to LC, MU or LX.5™ connectors on the customer facing port.Developed to address … [Read more...]
The International Medical Device EMC Standard—IEC 60601-1-2
The “-2” standard is increasingly important in the electrical medical device world. Dan Hoolihan, Houlihan EMC Consulting, Lindstrom, MN, USA INTRODUCTION The most well-known and used EMC Standard for Electrical Medical Devices is IEC 60601-1-2 ("-2") which is entitled "Medical Electrical Equipment – Part 1-2: General Requirements for Basic Safety and Essential … [Read more...]
Video IC Eliminates Data Control Cables and Improves EMI/EMC Performance
Intersil Corporation announced the release of the ISL34340. This SERDES Interface transports 27 bits of video data and bi-directional I2C into a single high-speed LVDS cable of up to 10 meters long. The device allows designers to dramatically lower costs and improve video signal distance and reliability through a number of performance and integration enhancements. It has a … [Read more...]
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