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ISSUE DATE: FEBRUARY 2003 | |
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February 2003 - In This Issue [Cover Story] Chip Set Adds Embedded GPS Global-positioning technology is finding its way into more and more wireless products, sometimes by Federal mandate. The E911 ruling by the United States Federal Communications Commission (FCC), which requires position-location capability in new... — Olivier Bernard , et al. [News] Simulators Model System Behavior System design was once the demesne of a chosen few engineers who understand the behavior of different high-frequency functions working together. As more functions become integrated together onto common substrates and housings, however, it is more... — Jack Browne [News] European Event Offers Snapshot Of RF Technology European and international design engineers have long known that the RF & Hyper conference and exhibition each year has provided several days packed with educational meetings, course, and product exhibits on the latest RF and microwave... — Jack Browne [Design Features] Electromagnetic Analysis Speeds RFID Design Radio-frequency identification (RFID) is one of the fast-growing wireless market segments. Strong competition among RFID suppliers, however, requires fast product design times and rapid time to market. Fortunately, fast and accurate electromagnetic... — James B. Rautio [Design Features] Software Shaves Time Off Filter Synthesis Filter designers have a wide choice of commercial software design tools at their disposal. But the latest version (Version 3.0) of the MMICAD filter synthesis software suite from Optotek Ltd. (Kanata, Ontario, Canada) now includes user-defined... — Frank Sulak [Design Features] Model MMIC Nichrome Resistors Nichrome resistors are commonly used as part of the process of fabricating monolithic microwave integrated circuits (MMICs). An effective MMIC model, however, must include an accurate model of a nichrome (NiCr) resistor. Fortunately, what follows is... — Ashok Kumar , et al. [Design Features] LO Buffers/Splitters Ease LO Drive Designs Base-station designers are faced with the daunting task of driving down product costs while achieving superior levels of radio performance. One of the most obvious solutions is to employ greater degrees of circuit integration throughout the receive... — Jim Ahne , et al. [Design Features] Generate Wide-Dynamic Range WCDMA/3GPP Signals Testing multicarrier power amplifiers (MCPAs) for wideband-code-division-multiple-access (WCDMA)/third-generation partnership project (3GPP) wireless systems places great demands on the test-signal source. To obtain the optimum test setup for MCPAs,... — Dr. Markus Banerjee , et al. [Product Technology] EDA Software Suite Expands MMIC Tools Designers of monolithic microwave integrated circuits (MMICs) require powerful modeling tools to avoid excessive design iterations. One of the most powerful MMIC design tools, the Advanced Design System (ADS) from Agilent Technologies, has just been... — Jack Browne [Product Technology] 300-MHz Dual-Mac DSPs Break The Cost Barrier Digital signal processors (DSPs) enable advanced signal-processing functions in communications system, including implementation of complex filters. To meet an increasing need for complex DSP functions at reasonable prices, Texas Instruments, Inc.... — Nancy Konish [Editorial] Modeling Systems With Software System design was once considered a "near-mystical" segment of high-frequency electronics. A few decades earlier, component suppliers were at the mercy of system designers from military contractors such as E-Systems, Martin Marietta, Raytheon, and... — Jack Browne |
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