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Surface-mount NPO Capacitors With Ultra-high Self-resonant Frequencies American Technical Ceramics Huntington Station, NY As surface-mount technology responds to the challenge of functioning at higher microwave frequencies, the performance demands on both active and passive components have become increasingly stringent. Typically, ceramic multilayer capacitors (MLC) are required to operate at...

Low Voltage Power Amplifiers for GSM Handsets Alpha Industries Woburn, MA As each successive generation of cellular telephones becomes smaller and lighter, so must the battery technologies that power them. The new generation of cellular telephones will incorporate batteries with low operating voltages between 2.8 and 3.5 V. The...

A 5 W MMIC Driver Amplifier for PCS Base Stations Raytheon Microelectronics Andover, MA Today’s wireless telecommunications equipment demands high performance, low cost components that are readily available and easy to implement. The model RMPA1911-96 GaAs power amplifier is a high efficiency, 5 W unit supplied in a metal-based...

Countdown to the Microwave Millennium If a seasoned observer of the European microwave and RF market was asked to describe the status of play of the major companies, the answer could be summarised in two words: stabilisation and consolidation. There seems to be little doubt that the current resurgence...

InP-based HBT Technology for Next-generation Lightwave Communications InAlAs/InGaAs-InP heterojunction bipolar transistor (HBT) technology offers high device speed, low 1/f flicker noise and monolithic integration of 1.55 mm InGaAs photodetectors making them well suited for next-generation, high data rate optoelectronic communication links. Application toward next-generation > 40 Gbps communication systems...

Microwave Technology: Directions and Measurement Requirements for the 21st Century Dennis Friday NIST Boulder, CO The Electromagnetic Fields Division of the National Institute of Standards and Technology’s (NIST) Electronics and Electrical Engineering Laboratory is hosting a workshop that will review NIST support for the RF/microwave industry. This workshop is...

Around the Circuit INDUSTRY NEWS ITT Industries has acquired Kaman Sciences Corp. , which will be known as ITT Systems & Sciences Corp. The State College, PA facility will continue to support the earth station market with its telecommunications products, including Locus amplifiers and systems. Hawthorne Partners LCC has...

New Literature DC/DC Converter Brochure This 16-page brochure overviews 225 of the company’s high quality, moderate-power, plug-in-style DC/DC converters. Single-, dual- and triple-output versions are described as well as new isolated and nonisolated low voltage devices. Specifications, quality assurance and custom capabilities are provided. DATEL Inc., Mansfield, MA (800)...

COMPONENTS GaAs SPDT Switch The model AS125-73 SPDT GaAs IC switch is designed for use in dual-band/dual-mode digital handsets that require low voltage operation. The switch operates from DC to 2.5 GHz and offers low insertion loss of 0.4 dB (typ) at 900 MHz with control voltages of 0/3...

SYSTEMS High Capacity Digital Relay System The FibeAir 1500™ high capacity digital relay system can carry medium and high capacity payloads such as voice, video and data. Designed specifically for microwave ATM applications, the unit deploys state-of-the-art digital communications and microwave technologies and delivers high spectral efficiencies. Operating from...