Fundamentals of Digital Quadrature Modulation
Feb 1, 2003
By Ken Gentile How a formerly analog-only
application, the quadrature
modulator, is finding a home
in modern digital CMOS
fabrication techniques...
To Old Friends and New Beginnings
Feb 1, 2003
Todd Judd Erickson Editor terickson@primediabusiness.com If you are a reader of both PriMedia radio franchise publications, RF Design and Mobile Radio Technology (MRT) magazines, you will notice that both magazines...
Securing Unlicensed WLAN Data Communications
Feb 1, 2003
By Bob Cromwell Wireless networking has serious security problems. RF signals sometimes propagate through structures and out of windows, and RF engineers need to understand the major issues of wireless network security, including data integrity and confidentiality, and device authentication. There is technology available today to secure wireless local area networks, and this article will make sense of the alphabet soup of wireless LAN modes, and it will explain security mechanisms and security protocols....
product focus military and aerospace
Feb 1, 2003
Broadband Synthesizer for Military Applications Elcom Technologies Inc. has designed a new ultra-fast, ultra-low phase noise (0.5 GHz to 40 GHz) Broadband...
Customer Focus Rules, Even in the Technology Business
Feb 1, 2003
By Todd Judd Erickson Editor terickson@primediabusiness.com When Harvey Kaylie was an electrical engineer in 1969, he knew mixers. He also knew good customer service when he saw it. So he combined his knowledge of component technology, customer service and solid business principles to start Mini-Circuits Inc. Kaylie sat down with RF Design in December 2002 to talk about the success of his company, the wireless components industry in general, and how slow growth in 2003 will better the industry in the long term....
An Optimal Mixer Matching Design Technique Under Large Signal Pumping
Jan 1, 2003
By J. P. Pascual, M. L. de la Fuente, M. Rodríguez-Gironés, E. Artal and H. L. Hartnagel A mixer design protocol that improves the conversion efficiency by defining the
circuit parameters for maximum RF and IF matching. By applying this technique under
different levels of large signal pumping, the optimum mixer of reference is defined for the non-linear element....
Thales to Incorporate Agilent's ADS
Jan 1, 2003
Agilent Technologies Inc. (www.agilent.com) announced that Thales (www.thalesgroup.com) plans to incorporate Agilent's software tools into the design...
RF Solutions Selects LTX's Fusion CX Test System
Jan 1, 2003
LTX Corp. (www.ltx.com) announced that its Fusion CX configuration was selected by RF Solutions Inc. (www.rfsolutions.co.uk) for use with its WLAN semiconductor...
Philips and Sasken Partner for 2.5G/3G Enhancements
Jan 1, 2003
Royal Philips Electronics (www.philips.com) announced a partnership with Sasken (www.sasken.com), a telecommunications software solutions provider. Philips'...
Mimix Broadband Relocates Corporate HQ
Jan 1, 2003
Mimix Broadband Inc. (www.mimixbroadband.com) announced the relocation of its corporate headquarters to a new facility in Houston, Texas, where it will...
Ansoft Partners With Carnegie Mellon
Jan 1, 2003
Ansoft Corp. (www.ansoft.com) announced the formation of an educational partnership with Carnegie Mellon University's (www.cmu.edu) new center for wireless...
WLAN RFICs Test Challenges
Jan 1, 2003
Warren Strand Consumers' insatiable thirst for high data rates coupled with mobility is creating rapid growth in WLAN market requirements and device volume. In turn, this demand has created unprecedented challenges for RFIC testing....
product focus cables and connectors
Jan 1, 2003
In-line Couplers Optimized for Wireless Band Applications Meca Electronics Inc. has developed a series of in-line single and dual directional couplers...
Microwave PA Thermal Design for SATCOM Systems
Jan 1, 2003
By Stephen D. Turner, and Ahmed M. Zaghlol For many years, solid state power amplifiers and traveling wave tube amplifiers have been in competition in communication services. This is particularly so in satellite communication systems. Currently, the highest RF output power achievable from microwave transistors is 60 W at 6 GHz and 20 W at 14 GHz. Not only is the DC to RF efficiency a concern, but the RF combining efficiency is also critical to the success of a solid state power amplifier....
products
Jan 1, 2003
Hand-held Analyzers for Measurement of Systems with Microwave Links Anritsu Corp. introduced the S810C and S820C microwave Site Master models for installing,...
Characterizing Phase Noise
Jan 1, 2003
By Mini-Circuits Inc. A tutorial for the novice RF engineer on how to characterize phase noise....
Arrow Joins Mentor Graphics ADAPT
Jan 1, 2003
The Global Information Business, a business unit of Arrow Electronics (www.arrow.com), joined the Authorized DataFusion Partner program of Mentor Graphics...
CPS and TI to Enable High-Accuracy E-OTD Location
Jan 1, 2003
Cambridge Positioning Systems Ltd. (www.coverge.com) announced it will integrate its Enhanced Observed Time Difference (E-OTD) high accuracy location...
RF Micro Devices Opens Office in China
Jan 1, 2003
RF Micro Devices Inc. (www.rfmd.com) announced the opening of a new sales and customer support office in Beijing, China. The sales and customer support...
Are Wireless LANs This Year's Golden Child?
Jan 1, 2003
by Ernest Worthman Technology Editor eworthman@primediabusiness.com Welcome all to the new year. In the Chinese calendar, this is the year of the sheep. For the high-tech calendar, hopefully, this is the year of the turn-around....
AWR and WIN Join to Support Power pHEMTs
Jan 1, 2003
Applied Wave Research Inc. (www.appwave.com) and WIN Semiconductors Corp. (www.winfoundry.com) announced the immediate availability of a process design...
software
Jan 1, 2003
Ansoft Releases PExprt Software Tool Ansoft Corp. (www.ansoft.com) released PExprt, a new software tool that helps to optimize and speed the design of...
Micrel Licenses ARM922T Core
Jan 1, 2003
Micrel Semiconductor Corp. (www.micrel.com) and ARM Ltd. (www.arm.com) announced that Micrel has licensed the ARM922T core. Micrel has utilized the core...
Relating Cascaded Noise Figures to Real-world Performance
Jan 1, 2003
By Rulon VanDyke A common issue that often arises is, after the design and build of a receiver, it is determined that the sensitivity is worse than of the calculated model....
National and ARM Announce Strategic Relationship
Jan 1, 2003
National Semiconductor Corp. (www.national.com) and ARM Ltd. (www.arm.com) announced a strategic business relationship to jointly develop and market power...
