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May 2003 - In This Issue [Cover Story] Design Suite Bridges System/Circuit Gap Over the course of the past 10 years, wireless-communications-system design has become increasingly difficult. The old way of doing it required engineers to deal with measurements based on things like S-parameters and third-order intercepts.... — Cheryl Ajluni [Special Report] SDR Technology Emphasizes Digitized RF Designs The creation of true software-defined-radio (SDR) systems has been made possible by the digitization of traditionally analog RF hardware. SDRs have been under development for many years. Now, they are beginning to move from the military to the... — John Blyler [Design Application] Guarantee The Success Of Future 3G Handsets Interactive content could lead companies out of the current UMTS predicament. According to research conducted by Forrester Research, consumers in Europe spent some 101 billion Euros on communication via fixed network, mobile phone, and post in 1999.... — Eva Skoglund WLAN RFICs Drive Next-Generation Test Requirements The evolving consumer demand for flexible, high-bandwidth applications is fueling a race for new, high-performance, wireless-local-area-network (WLAN) products. While drawing on the latest international standards for WLAN communications,... — John Lukez [Product Features] Processor Breaks Architectural Ground Wireless networking solves many of the cost problems of wired networking by requiring less infrastructure and equipment. Yet wireless networking also must grapple with its own issues. For instance, in the wireless world, protocols don't have a long... — Nancy Konish Cell Phone Transforms With TFT Technology Today's cellular handsets house an impressive array of features. These features range from voice communication, e-mail, and pager-like text messaging to games and Web-enabled microbrowsers. Generally, these capabilities are adaptations of current... — John Blyler Wireless-Application Tool Gains Support Developing applications for wireless devices—be it cell phones or PDAs—is hardly an easy task. The program must operate in an environment of limited bandwidth and frequent network disconnects. In addition, it must work on mobile devices... — John Blyler [New Products] Assemblies Reach 67 GHz The PHASEFLEX microwave coaxial-test assemblies can now achieve frequency ranges of up to 67 GHz. At the same time, they remain durable, exceptionally lightweight, and flexible. These ruggedized assemblies provide for excellent phase and amplitude... — Staff Product Lines Target Wireless A host of new products from WJ Communications targets the wireless space. The first—a line of surface-mount downconverter modules—is ideal for current and next-generation mobile-infrastructure base-station applications. Known as the CV... — Staff Products Facilitate Assembly Automation To ease assembly woes, Trilithic, Inc. recently introduced three new products: the EPA-127-3 solid-state programmable attenuator, fixed attenuator pads, and UMTS transmit and receive pads. The programmable attenuator operates from 30 MHz to 3 GHz.... — Staff Synthesizer Switches At 30-Microsecond Speeds In a small ruggedized package, the series DFSSB synthesizer offers switching speeds of 30 microseconds. Its package measures just 4.00 x 3.75 x 1.20 in. These features make this synthesizer ideal for a host of applications including SATCOM, wireless... — Staff Surge-Arrestor Line Takes On Lightning A line of Dual Band Surge Arrestors is ready to protect valuable wireless equipment from the harmful effects of electrical surges caused by lightning strikes. The performance of these devices is tuned for the 800-to-960-MHz and the 1710-to-2170-MHz... — Staff TCXOs Raise Performance For GPS Receivers A range of Global Positioning System (GPS) Temperature-Compensated Crystal Oscillators (TCXOs) promises to give GPS receivers superior performance. GPS receivers depend upon their local oscillator. They see it as a precise clock that accurately... — Staff Data Acquisition Squeezes Into One Package The Cougar series of multi-channel data-acquisition systems has welcomed two models: Cougar3400-4 and Cougar3400-2. Using 12-b, 400-MSample/s waveform digitizer technology, each model provides a complete, flexible, and accurate solution in a single... — Staff [Column] Travel The Emerging WLAN World During a three-week period earlier this spring, I flew on business from San Francisco to Newark, Ottawa, Brussels, Stockholm, Munich, Milan, Tel Aviv, Singapore, Shanghai, and a few minor transit points along the way. During my travels, I learned... — Frank Levinson Hack Your Way To WLAN Security Recent global events have emphasized the need for adequate security—both in the real world and in cyberspace. Hacking into a wireless 802.11b network is often easy. In fact, it's too easy. So how do corporate IT administrators or small-office... — John Blyler Results Come From Polygamy Of Quick, Cheap, And Good In the time that it takes to read this article, dozens of new electronics products will have already hit the marketplace. Each one will attempt to service those professionals trying to do more in less time. These individuals believe that their... — Cameron Selogie [News] Online University Targets Analog Technologies No matter how much expertise they may have, engineers occasionally need help keeping up with the latest and greatest innovations. To aid their efforts, National Semiconductor (www.national.com) has launched Analog University Online. It is the first... — Nancy Konish Partners Advance A-GPS The location-services market is expanding quickly. Location-based technologies are finding their way into an increasing number of consumer products. These products, in turn, nurture services like location-sensitive billing and corporate-asset... — Nancy Konish Short Clips MontaVista Software, Inc. (www.mvista.com) has joined the Open Mobile Alliance (www.openmobilealliance.org). The alliance was formed to enable the creation of mobile services by defining an open-standards-based framework.... — Nancy Konish Coverage Moves Underground No matter how pervasive wireless networks have become, they still can't provide coverage everywhere. People assume that "everywhere" is an umbrella term for places with smaller populations. Yet people in urban areas have their share of complaints... — Nancy Konish Calendar Of Events Society for Information Display (SID) Baltimore, MD May 18-23, 2003 www.sid.org/conf/sid2003/sid2003.html MOBILE AMERICAS 2003 Wireless Profitability and... — Nancy Konish Antenna Aims To Improve In-Building Coverage Mobile subscribers are quickly catching on to the convenience of wireless-local-area networks (WLANs). They revel in being able to open up their laptops and access the Internet at airports, coffeshops, and many other locations. In response to this... — Nancy Konish Ultra Wideband Welcomes Antenna Development Since Ultra Wideband (UWB) technology was released by the FCC for commercial use, it has been hailed as the short-range wireless-communications standard of the future. For one thing, it promises to simultaneously provide a high data rate and low... — Nancy Konish On The Wireless Front Monroe, New York Acqiris USA has recently come to market with a 21-slot crate known as the CC121. It enables high-speed digitizer systems to be configured with up to 80 channels in a single, standard,... — Staff [Editor's Note] Ease Of Use Is Not Just Lip Service I had an interesting experience today. My task was a basic one: I needed to locate the address of a well-known company's headquarters for publication with an article. This task should have been easy. Unfortunately, as you will soon find out,... — Cheryl Ajluni |
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