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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M/A-COM agrees to supply GPS antennas to Ford
Lowell, Mass. -- M/A-Com, a business unit of Tyco Electronics Corp., announced an agreement with Ford Motor Co. to provide GPS navigation system antennas for several of its vehicle lines....
Topical Workshop on MEMS, Related Microsystems and NanopackagingBoston, MassachusettsNovember 20-22, 2003
Sheraton Boston Hotel
Boston, Massachusetts
November 20-22, 2003...
Berkeley Varitronics adds functionality to Beetle receiver
Metuchen, N.J. -- Berkeley Varitronics Systems Inc. announced it expanded the functionality of its Berkeley's Beetle handheld wireless receiver -- designed for installing and maintaining direct sequence CDMA 802.11b local area networks -- to allow for antenna alignment of many point to multi-point solutions....
Over 930 million new wireless service subscribers by 2007, says market report
Scottsdale, Az. -- The next five years will see more than 931 million new wireless services subscribers, and by 2007 the total worldwide wireless population will exceed two billion subscribers, says a report by In-Stat/MDR. Throughout the forecast period, the annual subscriber growth will average over 186 million....
Planar Monolithics debuts miniature threshold detector
Frederick, Md. -- Planar Monolithic Industries Inc. introduced its newest miniature 2 GHz to 18 GHz threshold detector, model number TD-23T-SS-218. It has an input operating range of -18 dBm to -23 dBm over the full frequency range. The threshold level is internally fixed to provide a minimum signal level of -23 dBm. The input VSWR is < 2.5:1, operating temperature is -5° C to +85° C, and the response time is < 100 uS. The device us...
Polymer Assembly emerges with high-density, low-temperature flip chip assembly
Billerica, Mass. -- Polymer Assembly Technology (PAT) -- a new company founded by industry veteran Jim Clayton, former director of research and development at Polymer Flip Chip Corp. -- has emerged offering flip chip technology with high density, low-temperature processing through the use of polymer conductive adhesives....
Hittite expands MMIC VCO line
Chelmsford, Mass. - Hittite Microwave Corp. announced the release of eight new MMIC VCOs that cover wireless infrastructure, test equipment, microwave radio and military applications between 2 GHz and 6.8 GHz....
Changing designs, changing perceptions
RF Design has received a few inquiries from people questioning the upcoming changes to the magazine starting in the September issue. Some readers are...
Harmonics and double side bands
I've received many responses to my first RF Fundamentals column. There were two messages I overwhelmingly received. First, many people wrote that this...
Microwave chirp radar design: combining virtual and physical hardware performance analysis
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] Aerospace/Defense...
High-temperature superconductor filter technology breaks new ground
Successive generations of wireless systems based on HTS technology continue to offer increasing performance, high reliability and continued tailoring to the specific needs of today's wireless networks. Thousands of HTS systems are deployed today in wireless networks and the rate of adoption of the technology continues to grow....
Why oscillators are the best frequency sources for wireless designs
[For a copy of this article in PDF format, which displays figures and equations, click here. Requires Adobe Acrobat Reader, free download.] The rapid...
Gain and frequency stabilization in polyphase filters with low open-loop gain operational amplifiers
Replacing two separate post-mixer filters with a single polyphase filter1 has several advantages...
literature
Noble Publishing books and CD-ROM courses Noble Publishing Corp. released its newest CD-ROM training courses and books. RF/Microwave Transistor Amplifier...
Bluetooth v1.2 Single Chip Silicon
Cambridge Silicon Radio Inc. (CSR) launched its third generation Bluetooth single chip silicon, BlueCore3. The company says it is the first complete implementation...
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