NOARK Electric reliable products and efficient solutions to intelligent power and energy systems are now available worldwide. This global supplier of electrical components and intelligent control systems has an assortment of UL 489 listed circuit breakers, relays and contactors. The company’s values are centered on products that improve profitability and maintain the highest levels of […]
Featured
Podcast: Platform to design and build custom embedded computers
Designed for customers who want a device tailored to their specifications, without the cost of conventional electrical engineering, layout and manufacturing, Geppetto is a complete system for building and ordering custom embedded computers without the need for extensive knowledge of electrical engineering. Combining powerful web applications with Gumstix’ own manufacturing capabilities, reduces the process of […]
Three common mistakes when designing power supplies
When I posed this question to companies that design power supplies, I thought that I was going to receive varying answers. Surprisingly, these companies tend to agree on the biggest mistakes that engineers/designers make in designing in-plant power supplies. For the purpose of this article , I have used specifications from a common ATX12V Power […]
How low can you go with power?
Answering the question, “How low can you go with power?” Texas Instruments Incorporated (TI) (NASDAQ: TXN) introduces the industry’s lowest power DC/DC step-down converter, which increases the amount of harvested energy an end application can use as much as 70 percent over alternative devices. The ultra-low power circuit enables battery-free power to applications, such as […]
5 worst EE inventions ever
Electrical Engineers (EE) have come up with some of the most fascinating inventions known to mankind. Because of the discovery of modern electricity and the expansion thereof by Thomas Edison, George Westinghouse and (my favorite) Nicolai Tesla, life has been pretty convenient for modern society. However, there comes inventions that are not worth the paper […]
TDK-Lambda Unveils ITE Certified 10 to 30-watt Switchers
TDK Corporation announces the release of TDK-Lambda’s new ZWS10-30B Series of open-frame, 2-inch wide power supplies, with output power ratings of 10, 15, and 30-watts. These high-density, high efficiency, low profile power supplies are designed for a wide variety of applications including: Industrial, Test & Measurement, Communications, and Point-of-Sale Terminals/Displays. Using innovative design techniques to […]
BF Rated 400 Watt Medical Power Supplies
The PM400 Series’ of AC/DC power supplies from Protek Power offer 400 watts of performance packed design and are approved to 3rd Edition UL60601-1 and EN60601-1 Type BF medical safety standards. Units are also RoHS compliant. This low profile 400W Series is ideal for a variety of medical and dental applications, including patient contact medical devices. […]
Video: What are Digital Systems? (Part One – The AND, OR, NOT gates)
This is part one of the basics in Digital Systems. Beginning with the existence of Boolean Algebra, take on the form of “true” and “false”. This area of thought process is called “Deductive Logic”. This presentation explains the three most common gates, its meanings and how it relates to Boolean algebra. The fundamentals to Digital […]
TI’s new 28-V, 500-mA step-down converter provides highest efficiency at light loads
Texas Instruments Incorporated introduced a synchronous, 28-V, 500-mA step-down DC/DC converter that can operate at less than 5 uA during “sleep” mode. The new TPS62175 maintains high efficiency during light load operation, while supporting ultra-low power microcontrollers that operate in 12-V, 15-V and 24-V applications, such as industrial sensor, smart meter, medical and wireless power […]
NASA Glenn’s GreenLab facility researches algae for alternative fuel
During a recent visit to the NASA Glenn Research Center in Cleveland, Ohio, my colleagues and I were taken on a tour on the GreenLab research facility. Dr. Bilal M. M. Bomani demonstrated and explained how and why the lab is in existence and the purpose it serves. At first glance, you would not know […]