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...]
High Intensity Radiated Radiated Fields (HIRF) Course
Tuesday, Sept. 30, 2008 -- Friday, Oct. 3, 2008High Intensity Radiated Fields (HIRF) Course OK State University, Stillwater, OK Contact: Dr. Charles Bunting Email:reverb@okstate.eduWebsite:http://hirf-course.okstate.eduThis comprehensive workshop will deal with all aspects and aircraft HIRF testing required for compliance. With the recent release of the finalized FAA rule, it … [Read more...]
IC Family Provides Surge Protection for Implantable Medical Devices
The ZL70270, ZL70271, ZL70272, ZL70273, ZL70274, and ZL70288 from Zarlink Semiconductor make up a family of transient surge suppressing devices designed specifically for implanted medical devices. Five-, six-, and seven- terminal models are available. The device terminals exhibit extremely low leakage during normal voltages and can, therefore, be connected in parallel with the … [Read more...]
New Test Generator Features Innovative Modular Design for Varied Testing Needs
The new NSG 3060 test generator from Teseq, Inc. is characterized by an innovative modular architecture that provides system configurations that meet the needs of both basic and sophisticated testing procedures. A user-friendly interface has a 7-inch high-contrast, color touch screen and graphics that enable quick test set-ups. The device provides a surge voltage of up to 6.6 … [Read more...]
Electromagnetic Waves Could Help with Energy Use, Fuel Economy
Save the World Air, Inc. announced that recently concluded tests that were conducted by the Temple University, Department of Physics, and which were sponsored by JGC Corporation of Japan, resulted in substantial reductions in the viscosity of heavy crude oil, when treated with a patent-pending pulsed electromagnetic device. These results confirmed earlier tests and hold direct … [Read more...]
EMI Filter Array Comes with ESD Protection
The EMF-25ESD and the EMF-35ESD are dual-function devices that provide both EMI filtering and surge protection thus conserving valuable PCB real estate. A zinc oxide varistor is used to enhance the devices’ EDS function. The EMF-25ESD has a cut-off frequency of 300 MHz, capacitance values of 25 pF, attenuation of 30 dB minimum at 0.8 ~ 1.0 GHz and 20 dB minimum at 1.0 ~ 2.5 … [Read more...]
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