4-A Chips Charge Smart-Phone Li-Ion Batteries
MD&D News Staff
Trumpeted as the first monolithic, 4-A Li-ion battery charger ICs, Summit Microelectronics’ configurable SMB349 and SMB359 operate from a 3.6-V to 16-V input range...
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RF Micro Devices ships two million WLAN transceivers
RF Micro Devices has announced that it has shipped more than two million wireless local area network (WLAN) transceivers. RF Micro Devices has increased...
software
SystemView brings network device models designers Elanix has upgraded its software by integrating network device models into a single-kernel engine that...
Home networking leaps to digital
Keeping up with the demand and proliferation of technologies and applications, home networking breaks the analog barriers....
product focus bluetooth/802.11/WAP
Bluetooth-enabled modular product family SMART Modular Technologies debuts its latest offering of wireless solutions that transmit and receive Bluetooth...
products
High-efficiency GSM/GPRS power amplifier Raytheon has introduced RMPA1958-99, a high efficiency power amplifier module for GSM/GPRS quad-band applications....
BUSINESS BRIEFS
Spectrum Control acquire FSY Microwave Spectrum Control, Fairview, Pa., has acquired all of the outstanding common stock of FSY Microwave, Columbia, Md....
Design Chebychev bandpass filters efficiently
Designing filters is not an easy talk, despite the fact that the technology involved is mature and understood. Modern software tools are available that provide the circuits in terms of lumped electrical components, but designing the actual 3D microwave structure can take weeks. This article shows how a circuit simulator and a 3D field solver can work together to reduce the design time from weeks to days....
Indoor propagation issues for wireless LANs
Wireless local area networks (WLANs) are rapidly gaining popularity. These networks are primarily targeted for indoor use, and most often use the unlicensed bands at 2.4 to 2.5 GHz or 5.15 to 5.85 GHz. It is often said that the higher-frequency unlicensed national information infrastructure band at 5.15 to 5.85 GHz will be intrinsically limited to shorter ranges than the industrial/scientific/medical band due to higher path loss. The purpose of this investigation was to examine that claim....
Survey finds signs that the worst may be over
The Fabless Semiconductor Association (FSA), announced the release of its 3Q 2002 Wafer Demand Survey Report. The survey noted a significant 9 percent...
Five-year MEMS forecast shows $5.7 billion increase
Despite tough economic conditions overall, MicroElectroMechanical systems (MEMS) continues its upward trek, according to In-Stat/MDR, Scottsdale, Ariz....
Harris selected for U.S. Army's WIN-T Program
Harris, Melbourne, Fla., announced that it anticipates the immediate award of a major subcontract from Lockheed Martin Mission Systems, Gaithersburg,...
How Bluetooth's unusual operating characteristics impact test decisions
Bluetooth wireless technology is an open specification for a wireless personal area network that provides limited-range, wireless communications for voice and data transmissions between information appliances. It is a promising solution for portable devices and for interconnecting computer and communications devices via a radio link....
literature
RF, microwave signal control brochure available This 51-page product catalog features all of MECA's high performance RF and Microwave signal control products...
MEMS for wireless apps
300 kHz to 6 GHz RF MEMS single-pole, double-throw (SPDT) switch Teravicta has developed the TT612, an ultra-low loss, 300 kHz to 6 GHz RF MEMS single-pole,...
Think the unthinkable abandon 3G
The bloodletting of the wireless industry (as well as the overall telecom industry) has been going on for over two-years now. And, there still aren't any real indicators that 3G has an immediate future....
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