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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Mounting effects on S-parameters for multilayer microwave capacitors
S-parameters, as reported by a capacitor manufacturer's typical software package, can be significantly different from the S-parameters component yields...
Using polyphase filters as image attenuators
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] A large market...
Designing tunable resonators and filters with constant bandwidth
As the number of wireless communications devices continues to increase logarithmically, a natural by-product is a crowded spectrum. One method of addressing...
Broadband Tuners for Modern Systems
Designing tight performance parameters for today's high-performance broadband tuners requires careful attention to key design details....
software
Algorithm evaluation software released NCT Group introduces ClearSpeech-PC, a Windows-based software program designed to facilitate the evaluation and...
Telematics of the future
Considering all the technological achievements of the 20th century, wireless communications devices are still in their infancy in terms of market development....
Two-tone IMD measurement techniques
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] Two-tone testing...
An adaptive spread-spectrum clock generator
Engineers want an adaptive spread-spectrum clock generator (ASSCG) that uses a single set of read-only memory (ROM) codes, that requires no adjustment,...
Location, location, location
Last summer, I spent the day at a public safety answering point (or dispatch center) observing the management of radio traffic and listening in on the...
OADM market to reach $4 billion in 2006
The market for optical add-drop multiplexers (OADM) will grow from $338 million in 2000 to more than $4 billion in 2006, representing a 53% compound average...
Consortium researching 3G phones for the deaf
A consortium of researchers from Germany, Sweden, Spain and the U.K. is working together on a project to incorporate sign language recognition technology...
literature
Catalog features power products IFR Systems announces the Kikusui 2001 product catalog, a resource for users of AC and DC power supplies, electronic loads,...
Bluetooth market to shine: 955M units in 2005
Despite delays, economic slowdown and a recent slew of negative reports, the emerging Bluetooth market will eventually shine, according to Cahners In-Stat...
Save us from drivers with cellphones
There it is. Splattered across your windshield like a big, black bug. A state law against using a hand-held cellular phone while you're driving. In New...
software
ERDAS Imagine 8.5 offers feature enhancements ERDAS Imagine V8.5 offers a number of feature enhancements including upgrades to the mosaicking tool, advanced...
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