Last week the UK Department of Health (DH) released a statement that urged hospitals to consider allowing the more liberal use of mobile phones. The updated guidance indicates that NHS trusts should consider giving patients, staff, and visitors the widest possible use of mobile phones in situations where it does not cause a nuisance or interfere with equipment or the privacy of … [Read more...]
ETSI Technical Report on EMC, Spectrum Use, and Implanted Medical Devices
The European Telecommunications Institute (ETSI) has issued ETSI TR 102 655 V1.1.1, which deals with electromagnetic compatibility and radio spectrum matters. This document defines new requirements for radio frequency spectrum usage for low-power active medical implants and their peripheral radio control systems. The report also proposes a concept that should permit a … [Read more...]
RF Microwave Manufacturer Awarded $1.4 Million Order for High Power Amplifiers for Jamming
In another story touching on the art of jamming, or purposeful interference, RF microwave manufacturer Comtech Telecommunications Corporation has announced that its Melville, NY-based subsidiary, Comtech PST Corporation, has received a $1.4 million order from a domestic prime contractor to supply broadband, solid-state, high power radio signal jamming. These amplifiers, which … [Read more...]
More Software Products
Software Suite Eases EM Design with Accurate Computational SolutionsCST Studio Suite™ from Computational Simulation Technology is comprised of seven modules. CST Design Environment™ is the access point to the entire suite. CST Microwave Studio is a specialist tool for the fast and accurate 3D EM simulation of high frequency problems. Along with a broad application range, this … [Read more...]
The IEC Advisory Committee on EMC (ACEC): Coordination of International EMC Standards
Since its formation, ACEC has developed a unique structure for EMC publications that is used to this day in the IEC and in other regional standardization organizations. While many EMC engineers are familiar with the electromagnetic compatibility (EMC) standards developed by the International Electrotechnical Commission (IEC), they are probably unaware of how the structure of … [Read more...]
FCC Cancels December Meeting; Moves on Controversial Actions Postponed
Late on Friday, December 12, 2008, the Federal Communications Commission cancelled the Open Commission Meeting that had been scheduled for Thursday, December 18. The abrupt cancellation came amidst media reports that two prominent members of Congress—Sen. Jay Rockefeller (D. WV) and Rep. Henry Waxman (D. CA)—had sent a letter to FCC Chairman Kevin Martin urging a delay in … [Read more...]
Digi-Key and Schaffner EMC Announce Global Distribution Agreement
EMI/RFI component manufacturer, Schaffner EMC, and electronics distributor have announced that the two companies have entered into a global distribution agreement for the distribution of Schaffner’s full line of EMC and power quality products, such as chokes, filters, pulse transformers, and feed-through components. Schaffner’s products, now available on Digi-Key’s website, … [Read more...]
Improving the Way We Measure Insertion Loss
A proposed set of new test methods may provide more accurate attenuation data Kermit O. Phipps, Philip F. Keebler, Bradford R. Connatser Many commercial and industrial electrical environments contain equipment that is sensitive to radio-frequency (RF) interference. Theft detectors, digital sensors, and medical-telemetry systems have all been known to malfunction in the … [Read more...]
Performing GR-1089-Core Lightning and Power Cross Test
A review of the test methodologies and equipment required to perform GR-1089-CORE lightning and power cross testing James Press, Jennifer Lawrence, Mark Betts, John Ngo ABSTRACT The pitfalls and difficulties in performing testing in accordance with GR-1089-CORE, Section 4 are discussed. A brief description of the GR-1089-CORE document is presented to familiarize the reader … [Read more...]
EMC in Space …
Successfully dealing with EMC in space systems requires strong EMC engineering Daryl Gerke, PE, and William Kimmel, PE Many of us in the EMC business came of age during the “space race” of the 1950s, 60s, and 70s. We well remember names like Sputnik, Mercury, Gemini, and of course, Apollo. Some of us in the EMC business have even been fortunate enough to spend some (or all) or … [Read more...]
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