A family of miniature TVS diodes from OnChip Devices provides high levels of ESD protection. The ESD2200 device safely dissipates ESD strikes of ±30 kV contact discharge, well beyond the maximum requirements of IEC 61000-4-2. It is offered in 2, 3, 4, or 5 channels. Despite the high level of ESD dissipated, the ESD2000 exhibits a relatively low input capacitance of under 20 pF. … [Read more...]
Lightning Arrestors Optimize RF Performance at Frequencies Up to 6 GHz
The E-Class Series of SurgeGuard Lightning Arrestors from NexTek, Inc. have been designed to optimize RF performance at frequencies up to 6 GHz. The series provides bi-directional protection, and it passes DC without any performance degradation. This series was developed to meet the demands of RF applications including Ultra Wideband, Wi-Fi, WiMAX, ground penetrating radar, … [Read more...]
Clamp Device Provides Lightning Protection for Ethernet
The TClamp™ 3302N from Semtech, Inc. is a new ESD, cable discharge-, and lightning rated device for Ethernet systems. The 3302N is the latest addition to the TClamp™ product line. This new device provides telecom/datacom system designers a compact 3.3-V working voltage protection device rated for 100 A GR-1089 intra-building lightning surge. Utilizing the proprietary Enhanced … [Read more...]
New British Lightning Standard Goes into Effect in September
In just a few weeks, significant changes in British lightning protection standards will be in place as the old BS EN 6651:1999 is withdrawn and the new BS EN 62305:2006 takes its place. The new standard is a much longer and more complex document with extensive sections on risk assessment and the protection of electrical and electronic equipment. The new BS EN62305:2006 can be … [Read more...]
ON Semiconductor Opens R&D Facility in Limerick, Ireland
Tánaiste (Deputy Prime Minister) and Minister for Enterprise, Trade, and Employment Mary Coughlan and ON Semiconductor, known for its ESD and EMI protection chips and other silicon solutions, have announced the establishment of a new Research and Development Center at Raheen Business Park, Limerick. The new center will develop controller and driver integrated circuits for next … [Read more...]
FCC Gets Complaint about Wireless Microphones
The Associated Press reports that consumer groups are accusing Broadway actors, mega-church pastors, karaoke DJs and others who use popular wireless microphones of unwittingly violating Federal Communications Commission rules that require government licenses for such devices. In a complaint filed Wednesday, the groups accused manufacturers of deceptive advertising in the way … [Read more...]
New CISPR and IEC EMC Standards Issued
Two new EMC standards are available from the International Electrotechnical Commission. CISPR 14-2 Ed. 1.2 (2008-07) is entitled “Electromagnetic compatibility – Requirements for household appliances, electric tools, and similar apparatus – Part 2: Immunity – Product family standard.” This document deals with the electromagnetic immunity of appliances and similar apparatus for … [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...]
Pankhurst to Head Research Efforts in Biomagnetics
Following a two-and-a-half year closure and a £22 million renovation, the Royal Institution of Great Britain (RI) has announced that Prof. Quentin Pankhurst will be the new director of the Davy-Faraday Research Laboratory (DFRL). Previously, Prof. Pankhurst had been Deputy Director of the London Centre for Nanotechnology (LCN) at University College London. Charged with … [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...]
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