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Power Electronics and Renewable Energy, a Contrast by Region in Uncertain Times

Date Published: October 14, 2008

Competitive energy markets, advancing generational technology and innovative financing tools are creating new opportunities for the distributed and cogeneration (DCG) market sector.

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Integrated Battery Charging and Power Delivery Implementations

Date Published: August 8, 2008

The popularity of the different portable consumer devices over the last decade has introduced new requirements in terms of usage time, form factor, environmental friendliness and functionality. Lithium-based rechargeable batteries have emerged as the power source of choice to address these requirements – they offer the highest energy density, no memory effect, better environmental attributes and a reduced self-discharge rate.

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Non-Traditional Thinking Improves Efficiency in Cell Phones

Date Published: July 24, 2008

One of the customers I work with is a company that designs and manufactures cellular phones. This industry is very competitive, and customers have many stringent requirements in this industry. One concern is battery life, and another concern is the size of the phone. Both of these must be optimized while the cost of the phone is minimized. This demand pressures the designers have to scrutinize the design to eliminate components and current drain wherever possible.

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Power System Protection Crucial to Nuclear Weapons Test Simulations at Lawrence Livermore Facility

Date Published: March 28, 2008

Lawrence Livermore National Laboratory (LLNL), a pre-eminent scientific resource for U.S. defense, science, and industry, is the institution that applies advanced inter-disciplinary science and technologies to ensure that the nation’s nuclear weapons remain safe, secure, and reliable. This is known as the Stockpile Stewardship Program, which entails authentication of the U.S. nuclear weapons stockpile (a responsibility of LLNL as part of the National Nuclear Security Commission) in support of the comprehensive nuclear test ban treaty.

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Linear Dropout Regulators (LDOs)

Date Published: January 31, 2008

The second half of 2007 witnessed several interesting product releases and developments in the field of Linear Dropout Regulators (LDOs). Some of the releases involved the integration of LDOs into wider power systems, and one even claims to be the "LDO" killer, promising to replace the need for LDOs!

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