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Industry News

Analog Devices Introduces 8 GHz PLL Synthesizer

Furthering its commitment to innovation in wireless and RF IC design, Analog Devices Inc. , a global leader in high performance semiconductors for signal processing applications, announced an 8 GHz phase-locked loop (PLL) synthesizer. The new ADF4108 is targeted at high frequency wireless systems, such as those used for...
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Hittite Debuts 36 New Products at IMS 2006

Hittite Microwave Corp. , a supplier of complete MMIC-based solutions for communication and military markets, announced that it is introducing 36 new products, including three new leading performance product lines, at the 2006 IEEE MTT-S International Microwave Symposium and Exhibition. These and other Hittite Microwave products are on display,...
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Philips Forms Collaboration for Development of Cellular Infrastructure Technology

Philips has formed an alliance to develop Gallium Nitride (GaN) technology and products for the growing cellular infrastructure market. Philips has joined with United Monolithic Semiconductors and Fraunhofer Institut Angewandte Festkorperphysik (IAF) for collaboration in the research and development of GaN technologies. While Philips stays committed to the evolution...
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Around the Circuit

Industry News Murata Manufacturing Co. Ltd . announced that it has acquired privately held US-based venture company SyChip Inc ., a leader in radio frequency chip scale modules (CSM). Murata Manufacturing Co. Ltd. is an innovator in electronics and a global supplier of passive components. Murata agreed to pay...
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Rosenberger Acquires Assets of Agilent

Rosenberger of North America LLC and Agilent Technologies Inc. announced that they have signed an agreement for Rosenberger to purchase assets and to license technology used by Agilent at its Santa Rosa, CA cable assembly shop. Upon completion of the sale, Agilent will obtain these products and services from...
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Z-Communications Appoints President

Z-Communications Inc. , a leader in VCO and PLL technology since 1987, announced the appointment of Mahadevan Sridharan (Sri) as its president. Sri was previously vice president of engineering and marketing of Z-Communications. He holds a PhD degree in microwave circuit design and brings with him a wealth of...
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Fairchild Opens Design Center in South America

Fairchild Semiconductor has expanded its Global Power Resource™ design centers to nine worldwide with the addition of a facility in São Paulo, Brazil. This new design center responds to the burgeoning high technology markets in South America. Fairchild is focusing on the South American region, projected by WSTS to...
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Ask Harlan, June 7, 2006

Harlan Howe has 34 years experience as a microwave design engineer and fifteen as publisher and editor of Microwave Journal ® , and is an IEEE Fellow and past president of MTT-S. He's here to answer your questions on RF and Microwave engineering.
Published June 7, 2006 From: Devendra Chitguppa, BEL Bangalore What is the relation between CW (unmodulated carrier power) and modulated carrier power in the case of BPSK, QPSK, 16QAM, 32QAM, 64QAM, 128QAM and 256QAM? Dear Devendra, The theoretical modulation losses for various schemes are a function not only of...
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