Military-equipment enhancements require backward compatibility
Jun 1, 2007
Mark Valentine, Technical Editor Many times when a branch of the armed forces considers a new weapons system, one of the key aspects to be evaluated is how effectively the potential addition will integrate with existing arsenal....
Implantable ultralow-power radio chip facilitates in-body communications
Jun 1, 2007
By Peter D. Bradley Targeting implantable applications like pacemakers, nerve stimulators, drug
pumps, and other such medical devices, an ultralow-power RF transceiver
chip has been developed that delivers high data rates, low power consumption
and unique wake-up circuitry. This article discusses the design of an in-body
communication system....
Is the handset the center of your personal universe?
May 1, 2007
By Jon Adams The cellular handset is the most carried piece of high technology in the world. Equipped with a display, well-understood user interface, wireless connectivity...
ZigBee enhances eldercare
May 1, 2007
New wireless technology from France Telecom Orange and Ember may someday enable eldercare facilities and people with elderly family members to keep tabs...
WHAT'S IN A TAG?
May 1, 2007
Today, four different kinds of tags are commonly used. They are categorized by their radio frequency according to the following: low-frequency tags (between...
Will 3G LTE give mobile devices a new edge?
May 1, 2007
Ashok Bindra, Editorial Director With competitive pressure building from mobile WiMAX and ultramobile broadband, supporters at the Third Generation Partnership Project are looking beyond the current 3G wireless technologies, such as wideband CDMA, which were developed for a mixture of voice and data communications over the same wireless network. ...
Applying a high linearity variable gain amplifier
May 1, 2007
By Tuan Nguyen The high linearity variable gain amplifier VG025 is designed for use in transmitter and receiver automatic gain-control circuits, and as variable gain blocks following low-noise amplifier stages in high dynamic range receiver front-ends....
RF MEMS switch boasts 26.5 GHz performance
May 1, 2007
By leveraging the baseline process and MEMS manufacturing technology, TeraVicta Technologies has announced the availability of its dc to 26.5 GHz SPDT...
IEEE's International Microwave Symposium sparks new trends
May 1, 2007
By the RF Design staff Keeping the Aloha spirit in mind to promote better understanding and cooperation between East and West, IEEE's Microwave Theory and Techniques Society...
Antenna chip tailored for mobile TV
May 1, 2007
Netanya, Israel-based Siano Mobile Silicon, a developer of semiconductor solutions for mobile digital TV (MDTV), and Vishay Intertechnology have unveiled...
CONVERGED MOBILE DEVICE PRODUCTS
May 1, 2007
Network operating platform simplifies ZigBee applications The Tendril network operating platform has been improved and expanded to dramatically simplify...
NEWSWORTHY
May 1, 2007
WiMedia Alliance The WiMedia Alliance (www.wimedia.org) has announced that the Ecma International standard forUWB technology has been approved for release...
Miniaturized HF direction-finding antenna system is portable
May 1, 2007
By Joseph R. Jahoda By incorporating advanced techniques and an effi cient loop antenna
confi guration, a direction-fi nding antenna array has been achieved, which is
small and portable for 2 MHz to 30 MHz applications....
Tackling complex signal-processing tasks for 3G LTE
May 1, 2007
By Ashok Bindra While semiconductor
suppliers are readying their DSPs and FPGAs, as well as front-end data
converters and RF power amplifiers, test gear providers are unveiling their
test strategies. ...
Low additive noise frequency tripler
May 1, 2007
By Bogdan Sadowski Design of a frequency tripler is presented and its noise degradation, due to
the presence of additive noise of the multiplier, is measured and compared to
theoretical limits....
RFID deal is estimated at $3 million
May 1, 2007
KMA Global Solutions International has announced its first major radio-frequency identification (RFID) deal valued at nearly $3 million. KMA, in conjunction...
Test & Measurement
May 1, 2007
Digital spectrum analyzers The Aeroflex 3280 series spectrum analyzers offer digital demodulation for the analysis of 802.11a, b and g wireless networks....
Reducing RF design cycles through improved design methodologies
May 1, 2007
By Per Viklund The evolution of RF design methodologies has not kept pace with advances
in RF technology, resulting in delays in the deployment of advanced RF
capabilities caused by protracted design cycles. New practices based on the
use of design tools working together in highly integrated environments can
resolve this dilemma by considering system-level RF effects at the beginning
of the design process....
Products
May 1, 2007
Amplifiers MMIC broadband amplifiers iTerra Communications' iT2005 family of die and packaged MMIC broadband amplifiers deliver high RF output power from...
A closer look at the evolving cellular handset
May 1, 2007
By Cheryl Ajluni, Editor The world is changing right before our very eyes. It seems like only yesterday that everyone used rotary-style landlines and the idea of using a cellular...