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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Ford, Qualcomm team for telematics venture
Ford Motor, Dearborn, MI, and Qualcomm, San Diego, are joining forces to create a new company dedicated to the development and deliverance of wireless...
I've got it...it's storage
The other day I came across another interesting tidbit of science. It seems that a group of scientists at, where else, IBM's Almaden Labs, have developed...
ATM, IP contend for broadband video backbone
Many high-ranking companies are competing to install and implement major fiber optic and satellite structures to deliver voice, data and video services,...
Batteries and battery technology for a wireless future
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] Understanding...
Interactive direct-coupled filter design
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] This technique...
Software is all
It's a strange world in which RF hardware seems to diminish in importance and RF engineers seem to increase in importance.When it comes to portable wireless...
Driving my life away?
The Harvard Center for Risk Analysis released an interesting report this July. The report was based on a risk-benefit study conducted by the center that...
Qualcomm to spin off businesses
Qualcomm plans to spin off its business that manufactures semiconductors and software for cellular phones.The move will allow the new company, presently...
DSSS vs. FHSS narrowband interference performance issues
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] An impartial...
WLL to reach 100 million subscribers
Despite limited growth in 1999,wireless local loop (WLL) technologies will provide for a large marketplace by 2006, according to a study from Allied Business...
House passes cellular phone tax bill
A bill that will tax users for cellular phone calls only in their place of primary use was passed through the House in June, according to the Associated...
ITU, IETF agree on standard, bridge networks
After over one year of work in Geneva, experts in the ITU-T Study Group 16 and the Megaco Working Group of the Internet Engineering Task Force (IETF)...
RF planning for broadband wireless access networks
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] The need for...
Improving the vector network analyzer's dynamic range
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] A technique...
U.S. Wireless announces business alliance program
U.S. Wireless, San Ramon, CA, announced the formation of a business alliance program to catalyze the creation and introduction of new location-sensitive...
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