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New power-supply efficiency numbers herald a new era in power management 11/17/2009
GUEST OPINION: The EDN article "Industry standards lead push toward energy-efficient computing" discussed the new Platinum power requirements for high-efficiency ac/dc power supplies. But have we reached the point of diminishing returns by pushing efficiency requirements too high?Understanding power-over-Ethernet power allocation 8/10/2009
GUEST OPINION: Along with power-over-Ethernet's growing popularity has come growing demand for intelligent and efficient POE power allocation and management. In response, today's POE silicon suppliers have made sure that real-time power management is an integral part of virtually every enterprise-grade midspan and switch. Still, confusion about power-allocation best practices persists.Can’t see the forest ... 6/25/2009
Analog design is all about trade-offs, so system-design expertise is vital to any company offering analog chips.Voices: Avnet LightSpeed’s Cary Eskow: illuminating energy-efficient design 11/27/2008
Cary Eskow is director of LightSpeed, the solid-state-lighting- and LED (light-emitting-diode)-business unit of Avnet Electronics Marketing. A 28-year Avnet veteran, he leads Avnet’s national team of illumination-focused engineers experienced in thermal, drive-stage, and optics design and has worked closely with LED manufacturers, advanced analog IC,Voices: National Semiconductor’s David Anderson 7/10/2008
EDN's Paul Rako talks with David Anderson, National Semiconductor's chief technologist for power management, about his long and distinguished engineering career, his company, and the present and future of power management.Honest energy, part two: Readers respond on low-power-factor loads 5/29/2008
Reader response to the last installment of Analog Domain has been both strong and informative—so much so that I’d like to share some of the feedback with you.Honest energy: The danger low-power-factor loads pose for the energy grid 4/2/2008
As typical household products become more sophisticated, the power factor of the load they represent decays—a trend that is exacerbating a growing stress on our electric-power infrastructure.Voices: GreenPeak Technologies’ Cees Links: wireless-networking visionary 2/21/2008
Cees (pronounced case) Links is an engineer and the chief executive officer at GreenPeak Technologies, an international supplier of low-power wireless-system modules compatible with IEEE 802.15.4 and ZigBee. Based in Utrecht, the Netherlands, Links has been a pioneer in the wireless industry and was involved in the establishment of the IEEE 802.H1-B questions hit EDN readers' hot button 10/18/2007
Our online career-oriented survey revealed engineers' strong feelings on outsourcing, education, and the profession most would still choose if they had it to do all over again.Voices: IBM's Jeffrey Taft: Bringing intelligence to the power grid 9/3/2007
Voices: Architect discusses what the intelligent grid entails, what benefits it promises businesses and consumers, and how digital-signal processing plays a role in delivering power.ADVERTISEMENT
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