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Limitless Wireless: Hybrid Lithium Batteries Can Power Remote Wireless Sensors for over 25 Years
By Sol Jacobs, Tadiran Batteries
Rapidly evolving technology and wireless communications have unlocked the dynamic growth potential of remote wireless sensors, resulting in growing demand for hybrid lithium batteries that combine exceptional long life with the ability to handle high current pulses.
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Power Saving Techniques in GSM-GPRS-EDGE Handsets
By Dr. Oleksandr Gorbachov, CTO, RFaxis, Inc.
With over 600 million new mobile phone handsets shipped each year, mobile phones have become an integral part of our daily lives. As more and more new features are being demanded in smaller and thinner handset form factors, excessive current consumption and poor battery life become real issues for the mobile phone user.
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RF Envelope Detection Enables Drain Modulation Systems
By Eamon Nash and Ashraf Elghamrawi, RF Group, Analog Devices, Inc.
Improving the Power Added Efficiency (PAE) of High Powered Amplifiers continues to be a challenging goal in a Wireless equipment industry that is struggling to deliver cheaper, smaller equipment that consumes either less electricity or in the case of portable devices, less battery current.
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How Femtocells Are Playing a Critical Role in the Transition to 4G
By Joe Cozzarelli, ANADIGICS
As mobile carriers and network operators transition to 4G service, they are faced with several challenges, including the massive amount of smartphones available in the market, the volume of data traffic per phone that is rising exponentially, and all the steps required to deploy and upgrade their network infrastructures.
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Design Considerations Using Lithium Polymer Batteries
Dr. Robin Tichy, Micro Power Electronics
Li-ion cells come in three basic form factors: cylindrical, prismatic (rectangular brick shape) and the flat Lithium polymer cells. Lithium polymer cells, sometimes called laminate cells, are available in custom footprint size.
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One Small Step for Bluetooth Low Energy Technology
By Jay Tyzzer, Nordic Semiconductor
Last December, the Bluetooth Special Interest Group (SIG) announced in a statement that it had adopted Bluetooth low energy wireless technology and that the much anticipated ultra-low power (ULP) form of the popular wireless technology, would be the hallmark feature of the Bluetooth Core Specification Version 4.
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The RF Sting in the Digital Transmission Tail
Simon Whittle, Nujira Ltd.
The new generation of data-oriented digital communications networks being rolled out in the cellular, broadcast, military and other environments carries a sting in the tail for RF designers.
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Highest Efficiency Solar Panels to Date Feature New BOOST™ Cell Technology
Evergreen Solar, Inc., a manufacturer of String Ribbon™ solar panels with its proprietary silicon wafer technology, recently unveiled its upcoming line of higher efficiency solar panels featuring its newly developed BOOST™ Cell Technology, at Intersolar 2010 in Munich, Germany.
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Siemens to Provide HVDC Link for German Offshore Wind Farms
Siemens Energy and Prysmian Powerlink will connect two North Sea offshore wind farms to the German grid using a high voltage direct current (HVDC) link for transpower.
The order awarded to the BorWin2 consortium is worth more than €500 millio.
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National Semiconductor Reaches Deals with GESolar & QC Solar
National Semiconductor Corp. recently announced that it has reached new deals related to its SolarMagic technology with Green Energy Solar (GESolar) and QC Solar.
SolarMagic monitors and maximizes the energy harvest of each individual PV panel through a combination of advanced algorithms and leading-edge mixed-signal technology.
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After Record-Breaking 2009, US Wind Markets Face a Growth-Constrained 2010
Following a record-breaking year of capacity additions in 2009 - with 9.8 GW of wind projects installed - the US wind market finds itself confronting a growth-constrained 2010 and a near-term market landscape wrought with increased competition, according to a new market study, US Wind Power Markets and Strategies: 2010-2025 from IHS Emerging Energy Research.
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EPA Honors Three Universities for Significant Energy Savings
WASHINGTON- The U.S. Environmental Protection Agency (EPA) is recognizing three universities with the Combined Heat and Power (CHP) awards for generating power and thermal energy while saving energy, lowering greenhouse gas emissions and decreasing air pollution, which can reduce impacts on the public’s health.
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Substantial Energy Efficiency Provisions in Lugar Energy Bill a ‘Solid Foundation,’ says Alliance
Washington, D.C., -- A new energy bill introduced by Sen. Richard Lugar (R-Ind) wisely uses energy efficiency as the core of its provisions, the Alliance to Save Energy said today.
The Lugar Practical Energy and Climate Plan focuses on money-saving efficiency policies designed to create long-term energy savings for cars and trucks, new buildings and appliances, existing homes and commercial buildings and industry.
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Company Reaches Milestone by Shipping Enough Product for 15,000 Megawatts of Wind Power
DEVENS, Mass.,(BUSINESS WIRE) -- American Superconductor Corporation, a global power technologies company, announces in conjunction with Global Wind Day 2010 that it has achieved a significant milestone by supporting the production of more than 15,000 megawatts (MW) of wind power worldwide with its proprietary power electronic solutions.
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What is Energy Harvesting and How Does it Work?
Energy harvesting is the process of capturing and accumulating byproduct energy as the energy becomes available, storing the energy for a period of time and conditioning it into a form that can be used later.
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Benchmarking RF Front Ends Powered by DC-DC Converters Across a Discharging Battery
In the last decade mobile device users have seen unprecedented changes in technology. These changes have brought more functionality and lower cost to the overall handset market.
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What is Energy Harvesting and How Does it Work?
Energy harvesting is the process of capturing and accumulating byproduct energy as the energy becomes available, storing the energy for a period of time and conditioning it into a form that can be used later – such as operating a microprocessor with in its limits.
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Wireless Basestation Design Challenges Using High-Speed, 16-bit ADCs
Cutting-edge 16-bit, high-speed analog-to-digital converters (ADC) can offer the very high dynamic range and low distortion levels required to meet today's most demanding wireless communications standards.
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Bluetooth Low Energy – Not Just Another Radio Frequency Networking Protocol
Bluetooth Low Energy (BLE) is fast-becoming the hottest buzz-word in low-power wireless communications. Within five years, we have seen a variety of standard and proprietary networking protocols emerge, begin to show promise, and occasionally open up new market spaces and fundamental opportunities for technical innovation.
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Integration and Power Management Open the Door for RKE Applications
Wireless transceiver technology is truly established in the automotive industry with Remote Keyless Entry (RKE) now a standard feature of even basic specification vehicles. Following on its heels has been Passive Keyless Entry (PKE), dual transceiver devices that combine remote entry and remote starting, and systems that enable features such as tyre pressure monitoring and car-to-home communications.
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Protecting Chinese 3G Base Stations
Despite the worldwide recession, the Chinese economy continues to expand, and in an effort to move it along faster the Chinese government announced in November of 2008 an economic stimulus package totaling a massive $586 billion.
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Remote Possibilities
"Smart infrastructure" programs could generate significant demand for remote wireless sensors interfacing with advanced communications, computers and the internet to efficiently monitor and manage everything from intelligent transportation systems to vehicle infrastructure integration (VII), vibration and stress sensors for bridges and tunnels, smart grids and smart metering, as well as smart water technologies.
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Noise Elimination Power Converter Control Circuit
Power converters perform an essential task in this world where electronic equipment is so pervasive.
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Trend Report: Energy Conservation and Sustainable Design
One of the most interesting trends in the electronics industry at the moment is the movement towards designing products in an environmentally friendly way. Buzzwords such as Carbon Neutral, Sustainable Design and Eco-design have recently entered the vocabulary of designers and in the near future, energy efficiency may become just as important as performance and cost are now.
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How US Design Engineers Can Meet Global Legislation Challenges (Part 2)
Designers of electronic and electrical equipment are increasingly challenged to design new products that comply with legislation which applies in the markets where their products will be sold. Previously, we took a look at all the different flavors of RoHS. If you missed this, you can read about it at our Legislation Center on www.newark.com/edworld.
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How US Design Engineers Can Meet Global Legislation Challenges (Part 1)
Designers of electronic and electrical equipment are increasingly challenged to design new products that comply with legislation that applies in the markets where their products will be sold. As more US manufacturers sell their products internationally, design engineers not only need to consider legislation in the U.S., but also the rest of the world.
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