Continuous efforts are needed to maintain a consistently repeatable test Jason Smith, AR Worldwide Souderton, PA The IEC 61000-4-3 standard on radiated electromagnetic field immunity has long been used in order to satisfy one key criterion of the European Union’s requirements for obtaining the CE mark. It is usually used in conjunction with a specific product test standard … [Read more...]
Towards an EMC Technology Roadmap
A technology roadmap is a tool for attaining the optimum development within a sector of technology Marcel Van Doorn, Phillips Electromagnetics & Cooling Competence Center Eindhoven, the Netherlands Introduction This article expands earlier work on the concept of a technology roadmap for EMC technology.1 Just as a traditional terrestrial map helps insure that travelers … [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...]
The Importance and Methods of Full Wave Simulation Validation
Regardless of the accuracy of the modeling tool, each modeling exercise requires some level of validation before simulation results can be trusted. Bruce Archambeault, Ph.D. and Samuel Connor IBM Research Triangle Park, NC The need to validate simulations and model results has never been more vital. Full-wave and quasi-static simulation tools using many different modeling … [Read more...]
Design Software Analyzes EM Effects of RF and Microwave Components
Electromagnetic Professional (EMPro) from Agilent Technologies is a recently introduced design platform for analyzing EM effects of RF and microwave components such as high-speed IC packages, antennas, on-chip embedded passives, and PCB interconnects. The design process is speeded through an entry system including a 3D drawing environment, importing of 3D CAD files, and … [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...]
Four Software Packages Offer Rule-Checking and Cable Simulation Functions
Four recently introduced software packages from SimLab GmbH aid the task of design engineers by providing insight during the development process. EMBoardCheck facilitates PCB development with rules that have been developed, verified, and tested by IBM engineers. Interfaces to all major PCB layout tools are included within EMBoardCheck. PCBCableSim is an adjunct to SimLab’s PCB … [Read more...]
Pre-Assembled Connectors Foil EMI in Profibus and Ethernet Applications
Pre-assembled for Profibus and Ethernet users, the M12 shielded panel mount male or female connectors from Binder-USA offer a receptacle that is attached to a shielded cable with a twisted pair of AWG twisted wires. The Profibus receptacles come in front- or rear-mount designs for attachment to control cabinets. The die-cast zinc housing has a galvanic connection to the braided … [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...]
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