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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 | Articles | 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...                

Testing Times in the Continuing Evolution of WLAN

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

The Internet of Things (IoT) — forecast by some companies to host up to 50 billion wirelessly-...

Bridge-Saving Sensors

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

According to the American Society of Civil Engineers (ASCE), “One in nine of the nation’s...

Wirelessly Charged Microchip Opens Doors into 'Electroceutical’ Devices'

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

In their quest to integrate microchip technology with internal medical devices, a team of...

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May/June 2014 – Connected Cars – Changing the Way We Travel

June 13, 2014 5:08 pm | by WDD Staff | Digital Editions | Comments

The May/June issue of Wireless Design and Development focuses on connected cars, EMI-quiet environments, and byte-level caching.

EMI-Quiet Environments Anywhere ... Almost

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

The Evolution & Economics of E-Band for Wireless Backhaul

May 30, 2014 9:03 am | by David Richardson, Product Line Director, Wireless, MACOM | Articles | Comments

The ongoing, rapid proliferation of wireless devices and accelerating demand for bandwidth-intensive data services is putting a strain on point-to-point and backhaul radio networks, and cellular base stations, particularly in densely populated metro environments...           

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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 | Articles | 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...                      

Optimizing Throughput in Transceiver Testing with a PXIe Vector Signal Generator

May 23, 2014 12:44 pm | by Mike Millhaem, Application Engineer, Agilent Technologies | Articles | Comments

Transceivers are one of the basic building blocks for mobile phones, wireless LAN access points, and the cellular infrastructure. These devices handle both reception and transmission of multiple wireless formats, so testing can be complex, time-consuming, and costly...            

Device Miniaturization, Isolation & Multiband Operation

May 23, 2014 12:12 pm | by Meaghan Ziemba, Editor | Articles | Comments

According to a recent Wireless Design and Development (WDD) reader survey, some of the growing trends among RF power dividers, which are used for splitting or combining signals in the RF/microwave community, include wider bandwidth, device miniaturization, multiband operation, increased insulation and energy conservation, and isolation...

Connected Cars – Changing the Way We Travel

May 23, 2014 10:16 am | by Meaghan Ziemba, Editor | Articles | Comments

Recent advancements in wireless technologies are not only leading to exciting and innovative car designs, but are also changing the ways in which we travel. A recent U.S. Department of Transportation (USDOT) announcement exemplifies this, outlining how vehicle-to-vehicle...    

Meet the Board: Janine R. Whitacre – Agilent Technologies

April 23, 2014 10:38 am | by WDD Staff | Articles | Comments

Wireless Design and Development is excited for its newest editorial advisory board. From Agilent Technologies, we are honored to introduce Janine R. Whitacre, LTE Mkt Program Manager, Electronic Measurement Group...           

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Energy Harvesting – Powerful Options for Remote Wireless Devices

April 14, 2014 4:20 pm | by Sol Jacobs, VP and General Manager, Tadiran Batteries | Articles | Comments

Wireless sensors are becoming increasingly essential to everyday life, with new applications emerging that offer enhanced system functionality, such as periodic two-way communications and remote shut-off capabilities. Satisfying the power-hungry demands of these devices requires the careful choice of a power management system... 

Simplifying M2M Data Networking

April 11, 2014 11:41 am | by Bill Conley; B&B Electronics; | Articles | Comments

There is currently no universal standard for cellular network certification and provisioning in North America. Instead, the North American cellular carriers and standards bodies like CTIA/PTCRB force mobile virtual network operators and M2M device manufacturers to navigate a labyrinth of different certification processes and requirements...               

NASA’s CubeSat Fleet Gives Fresh Perspective

April 9, 2014 5:09 pm | by Melissa Barnes, Associate Editor | Articles | Comments

In an effort to revitalize current technology, NASA recently launched an ongoing program called the CubeSat Launch Initiative (CSLI). The program invites engineering students and faculty from across the nation to compete in inventing CubeSats that will ultimately fly as...                 

Wireless Communication & DAS Transmission Changes Higher Education and Healthcare Environments

April 3, 2014 11:49 am | by Jim Otte, SSOE Group | Articles | Comments

Wireless connectivity rules just about everything today. Being connected is important for the rapid exchange of information, improving communication, and increasing productivity...                         

Chemicals Not in Your Line of Sight? RFID Gives You a Clear View

April 1, 2014 12:22 pm | by Angela Hoffman, Northern Apex Corporation | Articles | Comments

There are known issues within laboratories that involve tracking, inventorying, and accounting for compounds, chemicals and reagents. If this issue has ever presented itself in your laboratory, radio frequency identification (RFID) solutions will help you and your staff monitor every chemical that enters and exits your facility...

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New Test Methodology Simplifies Envelope Tracking Design in Mobile Devices

March 19, 2014 5:24 pm | by Lawrence Wilson, Product Manager Signal Generators and Power Meters, Rohde & Schwarz | Articles | Comments

The mobile communications industry is moving faster than ever to deliver the connected experience of video, voice, and data to the billions of people worldwide who are eager to consume it...                           

Maximize DC-DC Synchronous Buck Converter Performance

March 19, 2014 2:42 pm | by ON Semiconductor | Articles | Comments

Switched mode power converters are very prominent in industry today and provide high efficiency solutions for a wide range of end applications. They can be found in power supplies and battery charging circuitry for computers, power tools, televisions, media tablets, smart phones, automobiles, and countless other electronic devices...

Implementing Sub-GHz Wireless Connectivity in Embedded Devices

March 7, 2014 5:21 pm | by Matt Maupin, SoC Marketing Manager, Silicon Labs | Articles | Comments

Wireless connectivity continues to expand across all markets and industries as growing numbers of electronic devices and systems add wireless controls and communications. Consumers desire the convenience of ubiquitous communication so wireless functionality is...               

Solving Discrepancies between 3G and 4G

March 6, 2014 4:14 pm | by Anjan Ghosal, President and CEO, Diametriq | Articles | Comments

Today, most of the world still communicates wirelessly over 3G and 2G networks. That’s expected to change as more cellular traffic moves to 4G (for fourth generation) LTE (Long Term Evolution) networks. Meanwhile, the majority of cellular subscribers use pre-paid, rather than...                 

Lightning Protection for Fiber-to-the-Antenna

March 5, 2014 3:53 pm | by Paul McClusky, Member IEEE, Product Marketing Manager, TRABTECH, Phoenix Contact USA | Articles | Comments

The telecommunications world is quickly moving from third-generation (3G) to fourth-generation (4G) configurations, with announcements for 5G already starting. The 4G has acted as a stimulus for a paradigm shift of the cell tower structure, which has included the implementation of fiber-to-the-antenna (FTTA) architecture...                

The Brainstorm: GaN Amplifiers

February 21, 2014 9:09 am | by WDD Staff | Articles | Comments

What are the benefits of using GaN HEMTs in place of silicon LDMOS for Doherty amplifiers...                                                                                 

Maximizing the Output Power from Thermoelectric Harvesters

February 20, 2014 4:45 pm | by Yogesh Ramadass, Electrical Design Engineer, Texas Instruments | Articles | Comments

Thermoelectric harvesters are a preferred medium to harvest electrical energy from ambient heat energy. Applications for these harvesters can be found in industrial and residential settings, along with the emerging wearable sensors market. While it is well-known that operating the...

Sub-GHz Wireless Design Choices for Smart Metering

February 19, 2014 3:43 pm | by Vivek Mohan, Senior Product Manager, Wireless Products, Silicon Labs | Articles | Comments

The worldwide focus on energy conservation in the last decade has led to tremendous growth in smart meter deployments, which help manage energy distribution and consumption more efficiently than traditional utility meters...                       

Cost, Compliance, and EMC Layout Shape EMI Future

February 19, 2014 2:54 pm | by Caitlin Johnson, Contributing Editor | Articles | Comments

Electromagnetic interference (EMI) is everywhere. According to Electronics.ca Publications, the global market for EMI materials and technologies is expected to reach $5.2 billion in 2016, for a compound annual growth rate (CGR) of 2.8 percent. Wireless communication, broadcast radio, television, and medical devices are...  

Exclusive: Providing Prosthetics With a Sense of Touch

February 19, 2014 9:27 am | by Meaghan Ziemab, Editor | Articles | Comments

Losing the ability to move is a traumatic experience, mentally and physically, but recent advances in medical technologies have helped tetraplegics regain a part of their lives they once thought to be lost forever. Losing the ability to move results in the loss of touch, a sense necessary to perform the most basic tasks – from...

A Fireside Chat: How Wall-E Inspired the Ninja Sphere

January 7, 2014 2:32 pm | by Melissa Fassbender, Associate Editor | Articles | Comments

Using sensors and actuators, the Ninja Sphere learns about its environment and knows when something is out of place – even the dog. The next generation of environment control, the sphere monitors temperature, light, energy, and location ...            

What’s New in Real-Time Location Systems?

December 18, 2013 4:15 pm | by Ciaran Connell, DecaWave | Articles | Comments

Real-time location systems (RTLS), which enable devices to determine location in the absence of GPS, are gaining popularity. Google is promoting Google Maps indoors, and Apple acquired WiFiSLAM and announced iBeacons...                       

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