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NEW PRODUCTS COMPONENTS * 60 GHz Waveguide Diplexers The 70015 Series of diplexers is designed for the 59 to 64 GHz frequency range. Using WR15 waveguide, these diplexers are designed to work with full specifications over the ­35° to +75°C range. One model has channel filters of 1350 MHz...

NEWS FROM WASHINGTON FCC Requirements Impact Carriers and Handset Manufacturers The Cahners In-Stat Group ( www.instat.com ) reports that the FCC is driving the deployment of mobile location technologies in the United States. Their requirements will have a major impact on the cellular industry as a whole. Recently, emergency...

WORKSHOPS & COURSES MEMS for Communications ­ From Concept to Product * Topics: MEMS technology and applications in communications, with specific information on CoventorWare™ software products and intellectual property for rapid development and integration of MEMS into products. * Site: Fremont, CA * Date: August 1, 2001 * Contact:...

PRODUCT FEATURE Low Phase Noise Voltage Tunable Oscillators Paratek Columbia, MD Driven by the VCO market's insatiable need for lower phase noise and wider tuning ranges, a new line of voltage tunable oscillators (VTO) has been introduced with superior performance in these areas. The new VTOs operate at fundamental...

PRODUCT FEATURE Miniature, High Performance GPS RF SAW Filters Location-based products using Global Positioning Satellite (GPS) signals are poised to revolutionize wireless service. Implementation of federally mandated mobile subscriber location requirements is fueling the rush to market. Meanwhile, manufacturers plan to capitalize on the presence of GPS-enabled mobiles by...

TECHNICAL FEATURE High Speed Analysis and Optimization of Waveguide Bandpass Filter Structures Using Simple Neural Architectures At microwave frequencies, from about 7 to 60 GHz, inductive irises are very often used as coupling networks between half-wavelength cavities in rectangular waveguides to develop very selective low loss bandpass filters. This...

TECHNICAL FEATURE Power Efficient MMIC Frequency Triplers The design of an efficient frequency tripler for an S-/X-band communications receiver is described. An approach for optimizing the tripler for best power efficiency is presented. The tripler topology consists of the harmonic generator circuit, a bandpass filter and an amplifier. A...

TECHNICAL FEATURE SiGe Power Amplifier ICs with SWR Protection for Handset Applications Joe Pusl and Srikanth Sridharan IBM San Diego RFIC Design Center Encinitas, CA Philip Antognetti, David Helms, Anurag Nigam, James Griffiths, Kenneth Louie and Mark Doherty IBM Boston RFIC Design Center Lowell, MA In recent years there...

EUROPEAN SUPPLEMENT A Long Range View of Short Range Wireless Systems Richard Mumford Microwave Journal European Editor The development of short range wireless systems, particularly Bluetooth and wireless local area networks (WLAN) has captured the industry's imagination, if not the market that was initially predicted. Bluetooth technology originated in...

THE BOOK END * Modulation and Coding for Wireless Communications Alistair Burr Prentice Hall/Pearson Education 352 pages; $79 ISBN: 0-201-39857-5 Wireless communications have become one of the most rapidly growing industries in the world. This book is concerned with the principles of modulation and coding as they apply to...