How to determine an effective damping factor for a third-order PLL
Jun 1, 2007
By Ken Gentile A clever means for calculating without using circuit simulations is presented. The advantage is that a relatively dense plot (55 points) of vs. phase margin can be produced in a matter of seconds....
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. ...
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....
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...
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...
Selecting the right signal analyzer
May 1, 2007
By Mark Elo In order to get the most for your investment, a little knowledge of your specific application needs along with some general information about signal analyzer functionality will help you make a well-informed decision when selecting from a broad range of available instruments....
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...
Companies form wireless partnership
May 1, 2007
General Electric's sensing business unit, GE Sensing, has partnered with wireless sensor networking (WSN) systems provider Dust Networks to build dynamic,...
Quick tips and resources
May 1, 2007
While all the details of the next-generation mobile, or converged, device have yet to be formalized, what is clear is that a number of different standard...
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...
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...
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...
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....
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...
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...