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TECHNICAL FEATURE Complex Coaxial-waveguide Transitions at Millimeter-waves Millimeter-waves have been used in commercial applications during the last decade as a result of the growing development of microwave multipoint distribution systems, local multipoint distribution systems, and digital audio and video broadcasting. In spite of many proposed simulation methods, experimentation remains...

TECHNICAL FEATURE Adaptive Feedforward Amplifier Linearizer Using Analog Circuitry Alfonso J. Zozaya, Eduard Bertran Albertí and Jordi Berenguer-Sau Dept. of Signal Theory and Communications Polytechnic University of Catalonia Barcelona, Spain Nowadays, feedforward is the most effective and broadly used linearization technique employed in modern multi-carrier communications systems. Different versions,...

TUTORIAL MEMS for RF/Microwave Wireless Applications: The Next Wave ­ Part II Microelectromechanical systems (MEMS) technology is on the verge of revolutionizing RF and microwave applications.1 The requirements of present day and future RF and microwave systems for lower weight, volume, power consumption and cost with increased functionality, frequency...

THE BOOK END * RF and Microwave Wireless Systems Kai Chang Wiley-Inter-science 339 pages; $79.95 ISBN: 0-471-35199-7 RF and microwave wireless systems are currently at the cutting edge of technology. Already, it is possible to communicate or transmit information instantly all over the world and this field is expanding...

CATALOG UPDATE * Short Form Catalog This eight-page catalog features the company's waveguide couplers, waveguide components, waveguide terminations, phase shifters, variable attenuators, coaxial components and custom products. Products photographs, schematics, specifications, ordering information and a company overview are provided. Advanced Technical Materials Inc. (ATM), Patchogue, NY (631) 289-0363. Circle...

AROUND THE CIRCUIT INDUSTRY NEWS * Taconic announced that the closing of Rogers' acquisition of Taconic, which the parties had hoped would occur by the end of April, did not occur. The parties have encountered important differences over key terms in their agreement , and at this point it...

THE COMMERCIAL MARKET Nokia and Bertone-SKF Present Vision of the Future at Geneva Motor Show Nokia unveiled a future in-car wireless communication scenario at the 71st Geneva Motor Show, according to NewsEdge Corp. The aim of Nokia's contribution to the Bertone-SKF "Filo" concept car was to evoke ideas about...

ERRATUM In "MEMS for RF/Microwave Wireless Applications: The Next Wave," a tutorial by Randy J. Richards and Héctor J. De Los Santos that appeared in the March issue of Microwave Journal, a number of figures were published without proper credits. Figures 2, 3, 4, 5, 7, 10c, 11, 13a,...

COMING EVENTS 2001 International Microwave and Optoelectronics Conference (IMOC) August 6-10, 2001 Belem, Brazil Sponsors: Brazilian Microwave and Optoelectronics Society (SBMO), IEEE. Additional information and a topic list are available at www.imoc2001.com.br . Short courses given by a group of specialists on a wide range of timely and interesting...

INTERNATIONAL REPORT Alcatel to Build ESA Herschel and Planck Research Satellites The European Space Agency has selected Alcatel Space to build, test and launch its Herschel and Planck science satellites in a $332 M deal that is being billed as Europe's largest ever space science award. With Astrium and...