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July/August 2004 - In This Issue [Cover Story] Software Drives Ultra Wideband Home Ultra Wideband (UWB) is used to transmit digital data over a wide spectrum of frequency bands with very low power. This wireless technology can carry huge amounts of data over a short distance. Thankfully, UWB is not prone to the signal... — Cheryl Ajluni [Special Report] Top Wireless-Security Vendors Vary In Their Approaches Who are the major players in the burgeoning wireless-security market? The answer to this question depends on how you define the word "major." Some might suggest that it means the companies with the highest revenues. Others might point to companies... — John Blyler [Design Application] Testing Braces Itself For Voice Over Wi-Fi ASWi-Fi increasingly permeates our lives, it is forever changing the way that we work and communicate. Corporate IT managers can no longer ignore the influx of mobile PCs, PDAs, phones, and other devices. After all, such devices improve the... — Graham Celine , et al. Will RF Detectors Measure Up To 3G? Many systems need to measure radio frequency (RF) power. Some examples include communications transceivers, instrumentation, industrial controls, and radar. Sometimes, these RF-power measurements are required to assure compliance with... — Rick Cory , et al. Cell Phones Demand Better Battery Life Just a few short years ago, the expectations of cell-phone users centered around one capability: being able to reliably conduct voice calls while they were away from a wired telephone set. Since then, impressive technological advances have been... — Walter Croce [New Products] USB 1.1 Switch Offers Low Power And Bandwidth Mobile wireless devices are popping up everywhere. Such devices rely on the high-speed broadband connectivity provided by Wi-Fi and cellular networks. In addition, these devices often need to communicate within a wireless personal-area network.... — Staff Wide-Bandwidth Amplifier Heightens Dynamic Range The design and manufacturing of radio systems can be simplified by selecting a device that supports multiple functions. Mimix Broadband, for example, recently announced an amplifier with low noise bias. This feature makes it suitable as a low-noise... — Staff Operating-System Support Grows With Processor Many designers are using the ColdFire processor families from Freescale Semiconductor, Inc. (www.freescale. com). Now, those engineers have an automated development tool suite at their disposal. The integration of commercial real-time operating... — Staff Battery Charger Keeps Circuits From Overheating Recharging is a necessity for all portable wireless devices. When such devices are recharging, however, they have a tendency to overheat. Linear Technology Corp. wants to address this problem with the introduction of the LTC4059A. This device is a... — Staff ESL Tool Enables Modeling And Verification The promise of electronic-system-level (ESL) design tools rests on their top-down approach to development. In an ideal environment, engineers would easily model complex systems while maintaining full support for the C/C++ and hardware description... — Staff [Column] We Are Fighting A Battle That We Dare Not Lose Did you know that America is really engaged in two major global conflicts? The more prominent of these battles is being fought in the ancient biblical lands of the Middle East. The second battle doesn't center on one geographical area. But it... — John Blyler WiMAX Calls For Broadband Revolution The past year has seen renewed interest and activity in the broadband-wireless-access (BWA) industry. This flurry of activity has begun to spill over into the more mainstream networking world. It provides tantalizing glimpses of the new... — David Sumi Factor In Memory Tradeoffs When Using Today's Processes Today's ever-diminishing process geometries offer system-on-a-chip (SoC) designers unprecedented opportunities to increase their target applications' performance and functionality. But the use of modern processes also poses new challenges that... — Jud Bond [News] Consumers Vote On Future Games In the entertainment industry, previews are a common thing. Whether it's a new movie or the pilot episode of a potential television show, selected audiences get to offer their input on it. Now, consumers also will have a chance to preview and... — Nancy Friedrich Win The Battle Of FPGA Design If you've never read any books written by Clive "Max" Maxfield, then you're in for a treat. True to form, his latest book on FPGAs is enjoyable to read. Yet it's also rich in the technical details that any modern designer would need. This tome... — John Blyler Wi-Fi Takes To The Sky Move over, telematics. Although wireless innovations for automobiles will continue to foster development for years to come, a new target has emerged in the transportation industry: passenger airplanes. With the release of its wideband... — Nancy Friedrich Networks Find Home When we imagine the home of the future, every possible aspect of it is seamlessly networked. Many practical issues must be resolved, however, before such visions can come to life. In an effort to tackle some of the currently known obstacles to... — Nancy Friedrich Camera Phones Shift Into Auto-Focus Since the arrival of camera phones, consumers have shown a clear interest in these devices and—more importantly—a willingness to buy them. Now, cell-phone makers are excitedly touting the improved resolution of the next wave of... — Nancy Friedrich Solution Aligns ICs And Their Packages With the continued rise of densities and I/O counts, integrated-circuit (IC) packages face a multitude of demands. If they don't satisfy these needs, the packages could stand in the way of IC progress. In fact, the semiconductor industry's move to... — Nancy Friedrich 3D EM Simulation Goes Mainstream Instead of competition and dirty dealings, recent cutbacks and smaller staffs have often led to cooperative partnerships between different companies. By sharing, co-developing, and integrating their products, companies are spawning innovations that... — Nancy Friedrich Short Clips TechnoConcepts, Inc. (www.technoconcepts.com) was issued Patent No. 6,748,025 from the U.S. Patent and Trademark Office. This patent, which covers 19 different claims, is for the conversion of RF signals directly into high-speed... — Nancy Friedrich [Editor's Note] Wireless Takes An Unexpected Detour Have you ever considered how many things in life—even if they seem strangely opposite—are actually intertwined? I recently discovered this phenomenon while car shopping with a friend. Halfway through the process, I was frustrated by... — Cheryl Ajluni [Around the World] Snapshots CSR PLC (www.csr.com) appointed Richard Ord as Vice President of the company's Bluetooth Business Unit. As a former VP at VLSI Technology and Philips Semiconductor, Ord has extensive international experience in business-unit... — Nancy Friedrich [On The Wireless Front] On The Wireless Front Milpitas, California A new RF active mixer from Linear Technology provides linearity and signal-to-noise performance that match that of passive mixers. As a result, it allows designers to build 3G cellular... — Cheryl Ajluni |
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