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Industry News

The Book End

RF Power Amplifiers Mihai Albulet Noble Publishing 376 pages; $75 ISBN: 1-884932-12-6 The primary purpose of this book is to present the basic concepts used in the analysis and design of RF power amplifiers. Detailed mathematical derivations reveal the assumptions and limitations of the presented results, allowing readers to...
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A Frequency Discriminator With a Small Footprint

Introduction to a compact, high performance dual-speed delay-line discriminator
Product Feature A Frequency Discriminator With a Small Footprint Merrimac Industries Inc. West Caldwell, NJ Delay-line frequency discriminators have long been fundamental components in radar warning receivers, instantaneous frequency measurement receivers (IFM) and angle of arrival interferometers. They offer a high performance alternative to I and Q networks in...
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Low Cost Millimeter-wave Packaged MMICs

A surface-mount device-packaged MMIC chipset for 26 GHz point-to-point and point-to-multipoint radio links is featured
Cover Feature Low Cost Millimeter-wave Packaged MMICs United Monolithic Semiconductors S.A.S. Orsay Cedex, France Millimeter-wave technology is being recognized as having potential for emerging markets, such as broadband radio links for cellular base station backhaul networking and automotive safety systems. For such development to occur, however, the requested volumes...
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LDMOS Linearity and Reliability

Introduction to a self-aligned shadow isolated LDMOS device designed to improve linearity and reliability
Technical Features LDMOS Linearity and Reliability Laterally diffused metal-oxide-semiconductor (LDMOS) devices have been available as high power, low frequency amplifiers for almost three decades. The original devices had problems with linearity and reliability. More recent developments have improved the device performance and make LDMOS suitable in cellular base station...
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Q- and V-band MMIC Low Noise Amplifiers

Demonstration of a design method for Q- and V-band low noise amplifiers based on a distributed pHEMT model and exact simulation
Technical Feature Q- and V-band MMIC Low Noise Amplifiers This article describes MMIC low noise amplifiers for millimeter-wave applications using 0.15 µ m pHEMT technology. The design emphasis is on the active device model. The deficiency of conventional device models is identified. A distributed device model has been adapted...
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A 2.4 GHz Polarization-diversity Planar Printed Dipole Antenna for WLAN and Wireless Communication Applications

Presentation of the design simulation, fabrication and measured performance of a 2.4 GHz polarization-diversity planar printed dipole antenna for wireless communication applications
Technical Feature A 2.4 GHz Polarization-diversity Planar Printed Dipole Antenna for WLAN and Wireless Communication Applications This article presents the design simulation, fabrication and measured performance of a 2.4 GHz polarization-diversity printed dipole antenna for wireless communication applications. Two orthogonal printed dipole antennas, each with a microstrip via-hole balun...
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Fibercom Clock Timing - A Review of PLL Solutions

Presentation of the emergence of photonic timing devices using phase-locked loops (PLL) for signal generation with challenges in jitter performance, size, power and cost
Tutorial Fibercom Clock Timing - A Review of PLL Solutions Bar-Giora Goldberg Peregrine Semiconductor Corp. San Diego, CA The fiber optics telecommunications market (called here photonics) has experienced huge growth in the last few years. Being a two-level digital transmission format, the requirements for clocking, timing, retiming and sometimes...
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Optical ICs to Reach $1.8 B by 2006

Optical networking and its supporting equipment, components and integrated circuits (ICs) are heading toward a market windfall, according to In-Stat/MDR. The high tech market research firm reports that with the geometric growth of the Internet, private IP networks and business-to-business (B2B) e-commerce, the demand for high speed capacity, within...
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Loral-built Intelsat 903 Telecom Satellite Launched Successfully

Isat 903, the latest in a line of advanced communications satellites built for Intelsat by Space Systems/ Loral (SS/L), a subsidiary of Loral Space and Communications, was successfully launched on March 30, 2002. The satellite was sent into space from the Baikonur Cosmodrome in Kazakhstan, aboard an ILS Proton...
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MEMS at OFC - Two Steps Forward, One Step Back

According to In-Stat, the Optical Fiber Conference (OFC) held in Anaheim, CA, in March, was much quieter than last year's - a real reflection of the dismal market conditions in the telecom sector right now - and the fact that the tremendous hype surrounding the use of MEMS in...
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