Numerex Corporation recently announced the successful completion of testing of its SX1 satellite tracking device under the Cooperative Research and Development Agreements with US Transportation Command (USTRANCOM). After HERO (Hazards of Electromagnetic Radiation to Ordnance) testing, Numerex received HERO certification, which, along with successful environmental testing, … [Read more...]
UK’s Department of Health Urges Lifting of Hospital-Wide Mobile Phone Bans
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...]
MORE MILITARY PRODUCTS
Ruggedized Flat Panel Computer Is MIL-STD-461D CompliantThe NAG 20-inch MIL-SPEC flat panel computer from NAG Marine is a fully sealed NEMA 4X unit crafted specifically for harsh marine and/or engine room environments. The unit is built with low power consumption electronics for maximum heat efficiency and shock isolated components for elimination of the effects of shipboard … [Read more...]
QPL Inductor Series Meets Requirements per MIL-PRF-83446
The MLRF3031 series from Gowanda Electronics is a military-approved RF inductor that is on the military’s Qualified Product List per MIL-PRF-83446. These devices have been designed for RF electronic applications in the military, aerospace, and defense sectors. Possible communications applications include space, satellite, radio, sonar, guidance, and GPS systems. Technical … [Read more...]
Ruggedized Flat Panel Computer Is MIL-STD-461D Compliant
The NAG 20-inch MIL-SPEC flat panel computer from NAG Marine is a fully sealed NEMA 4X unit crafted specifically for harsh marine and/or engine room environments. The unit is built with low power consumption electronics for maximum heat efficiency and shock isolated components for elimination of the effects of shipboard vibration. The unit is fully qualified under MIL-STD 461D … [Read more...]
Life Enhancing Medical Products Achieve EMC Compliance
Surface cleanliness is critical to good coating adhesion for any coating process Rocky R. Arnold, Ph.D. WaveZero, Inc. Sunnyvale, CA Many medical product manufacturers achieve electromagnetic compliance (EMC) for their electronic devices by coating the inside of the plastic enclosures with a conductive material; for example, silver-copper particle loaded paint, electroplated … [Read more...]
Military COTS Filter Provides EMI Filtering & Transient Protection
The M-FIAM7 from Vicor is a DC front-end module that provides EMI filtering and transient protection. The M-FIAM7 allows designers using Vicor’s 28-V DC/DC V•I Chip modules to meet conducted emission/conducted susceptibility per MIL-STD-461E; and input transients per MIL-STD-1275A/B/D, MIL-STD-704A-F, and DO-160E. The M-FIAM7 accepts an input voltage of 14 to 50 VDC and … [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...]
Reducing Ground Noise Emissions in Critical Electronic Equipment and Facility Ground Systems to Help Prevent Conducted EMI Problems
Many EMI problems involve emissions that circulate through electrical conductors within a facility and within equipment Philip F. Keebler and Kermit O. Phipps EPRI Knoxville, Tennessee Background The electromagnetic environment includes the areas inside and outside electrical and electronic equipment. The areas inside equipment include unused air spaces, circuit boards, cables … [Read more...]
Optimal Techniques for Minimizing IR-Drop and Supply Bounce
Any multi-supply pinned microcontroller can be improved simply by altering the pin allocation Mart Coenen and Dick de Greef Phillips Applied Technologies Eindhoven, the Netherlands On-chip ir drop, ground bounce, and supply bounce are key parameters that may have a serious impact on both the functional reliability and the EMC of integrated circuits (IC). This paper presents a … [Read more...]
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