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Simplifying Wide Input Voltage DC-DC Converter Design with COT Topology

July 29, 2014 5:22 pm | by Vijay Choudhary, Applications Engineer, Texas Instruments | Comments

Constant-on-time (COT) regulators provide transient performance with minimum design effort and component count without the requirement of loop compensation. The adaptive on-time provides immediate input voltage feed-forward and fixed switching frequency, making COTs suitable for many low power and bias applications...                

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Testing Times in the Continuing Evolution of WLAN

July 29, 2014 3:52 pm | by Yu Qian, Marketing Engineer, Keysight Technologies | Comments

The Internet of Things (IoT) — forecast by some companies to host up to 50 billion wirelessly-connected devices by 2020 — demands yet more network capability and capacity. Equipment based on the 802.11 wireless LAN (local area network) standard is forecast to fulfill a major part of this need...                 

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Bridge-Saving Sensors

July 29, 2014 12:45 pm | by Meaghan Ziemba, Editor | Comments

According to the American Society of Civil Engineers (ASCE), “One in nine of the nation’s bridges are rated as structurally deficient."1 In order to eliminate bridge infrastructure deficiency, the Federal Highway Administration (FWHA) claims that $20.5 billion needs to be invested on an annual basis...                

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Wirelessly Charged Microchip Opens Doors into 'Electroceutical’ Devices'

July 29, 2014 11:58 am | by Melissa Barnes, Associate Editor | Comments

In their quest to integrate microchip technology with internal medical devices, a team of Stanford engineers, led by Professor Ada Poon, and John Ho, an electrical engineering student, have invented a groundbreaking solution for wirelessly charging devices implanted in the body...               

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Best Practices For Keeping Up in the 100G Era

July 25, 2014 9:42 am | by Dan Joe Barry, Napatech | Comments

As we enter the 100 Gbps era, producers of network management and security applications will need to address numerous analysis challenges in order stay ahead of the data growth curve. Staying faster than the future will require next-generation solutions that not only scale but also deliver and understand data...

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Brainstorm: EMI Shielding

July 18, 2014 2:41 pm | by Donald L. Sweeney, Senior EMC Engineer and President, D.L.S. Electronic Systems, Inc. | Comments

An EMI shielding or filtering component can be used in two ways to correct an area that is prone to high levels of emissions or susceptibility...                                      

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The Advantages of Planar Transformers over Wire-Wound

July 17, 2014 5:20 pm | by Standex-Meder Electronics | Comments

Planar transformers are steadily replacing the need for traditional wire-wound transformers in many industries. Electric vehicles, solar inverters, wind power, aviation, healthcare, and industrial manufacturing are just some of the areas where this technology is gaining ground...

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Letters to the Editor: The Liability of Self-Driving Cars

July 17, 2014 9:13 am | by WDD Staff | Comments

WDD has received another letter concerning self-driving cars, and it asked some important questions about liability. Check out this most recent “Letters to the Editor”...                    

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Picking the Pattern for a Stealth Antenna

July 10, 2014 5:49 pm | by Francesca De Vita, Simone Di Marco, Fabio Costa, and Paolo Turchi, Altran Italy | Comments

One of the largest leaps in defense technology developed in recent years focuses on stealth airplanes and ships that avoid radar detection by combining several technologies that include the shape of the target’s surfaces to reflect energy away from the source...                        

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The Revolution Will be Digitized

July 1, 2014 9:24 am | by TRELLEBORG | Comments

The digital revolution is upon us, and, as in any revolution, chaos will precede order – and completely new opportunities...                       

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The ABCs of RFID

June 30, 2014 1:34 pm | by Klemens Sattlegger, TI NFC/RF Product Marketing | Comments

There are a myriad of acronyms out there related radio frequency identification and near-field communications technology – UHF, LF, RF, UHF, NFC, LF. What do they all mean and how exactly do designers use these types of NFC/RF technology and specifications in application design?...

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Benefits of a Multi-Band Summation Block in an Interpolating DAC

June 19, 2014 1:22 pm | by Philip Pratt, Business Development Manager, Texas Instruments | Comments

Field-programmable gate arrays (FPGA) in wideband transmit systems can be expensive. Two factors that drive up FPGA cost are requirements for high internal logic speed and high-speed serializer/deserializer. In communications systems that transmit very wideband signals...

Letters to the Editor: The Societal Risks of Self-Driving Cars

June 17, 2014 9:25 am | by WDD Staff | Comments

A recent letter to the editor identifies some apprehensions with connected car technologies...                             

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EMI-Quiet Environments Anywhere ... Almost

May 30, 2014 10:52 am | by Alan Lowne, CEO, Saelig Company | Comments

RF signal reduction structures are also needed for command and control operations, as well as other applications where strength, weight, collapsibility, and portability are vital for successful and secure military field operations...                         

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How Byte-Level Caching Relieves the Mobile Data Crunch

May 29, 2014 10:54 am | by Vaughan Emery, President and CEO, CENTRI Technology | Comments

For mobile operators, it’s the best of times and the worst of times. According to Yankee Group, mobile data traffic is growing more than 60 percent annually, but average revenue per user (ARPU) growth is in the low single digits...                      

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