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...]
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...]
MRI Shielding and Anechoic Chamber Firms Forge Trans-Atlantic Joint Venture Agreement
Braden Shielding Systems USA and Rainford EMC Systems UK have entered into a joint venture relationship that includes technology transfer, cooperative sales, and marketing strategies for their respective medical MRI and EMC anechoic chamber technologies. Rainford with its existing shielding capabilities and support structure throughout Europe and Asia will be the exclusive … [Read more...]
TI unveils lowest power zero-drift instrumentation amplifier for portable, precision applications
Providing an unmatched combination of precision, low power and low supply voltage, Texas Instruments Incorporated introduced the industry's lowest power zero-drift instrumentation amplifier. The device features the lowest quiescent current and lowest input bias current versus the nearest competition, as well as an impressive power-to-noise ratio, very low offset voltage/drift … [Read more...]
Impinj Acquires Intel’s UHF RFID Reader Chip Operation
RFID Solutions Provider Impinj has acquired the UHF RFID chip operation of Intel Corporation. Chip maker Intel had developed the awarding-winning R1000 RFID reader chip. The acquisition of Intel’s RFID unit enhances the range of Impinj’s RFID offerings. It is especially noteworthy that the single R1000 chip enables 90 percent of the components required all reader form … [Read more...]
Instrumentation Amplifier Includes Filters to Reduce RF Interference
The new INA333 is a is a zero-drift instrumentation amplifier from Texas Instruments with input bias current of 200 pA and quiescent current of 75 µA. Offset voltage is 25 µV, and offset drift is 0.1 µV/°C. The INA333 yields an input voltage noise of 50 nV/rt-Hz with a proprietary switched capacitor notch filter. The MSOP-8-packaged amplifier has 3 op-amp architecture and … [Read more...]
Long Term Exposure to ELF EM Fields Impairs Spatial Recognition Memory in Mice
A study reported in the current issue of a prominent medical publication indicates that mice that were subjected to prolonged exposure to extremely low-frequency (ELF) electromagnetic fields displayed significantly impaired spatial recognition memory. Researchers exposed the mice to 25 or 50 Hz of electromagnetic fields for either 7 or 25 days and then tested them in a Y maze. … [Read more...]
3M and Sonitor Team on Hospital Locator Project; Stress Assurance on Interference Issue
3M has announced that it is bringing Sonitor’s high definition, ultra-sound based Real Time Location System (RTLS) technology to its Track and Trace customer base. RTLS technology, which is already deployed in several leading hospitals, automatically tracks, with room-level or sub-room level accuracy, the location of mobile equipment or people within complex environments such … [Read more...]
Pitt Oncologist Issues Warning on EM Fields from Mobile
In an unprecedented move, Dr. Ronald B. Herberman, (shown at left) head of the University of Pittsburgh Cancer Institute (UPCI), issued a warning to 3000 staff members about the possible health risks associated with the electromagnetic fields from mobile phones. Dr. Herberman’s explicit list of ways to cut exposure contrasts with the usual advice from medical experts. The usual … [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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