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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...

ANTENNAS Extreme Interference Antenna The 26000 series antenna is designed for interference levels in the Global Positioning System (GPS) band and offers high, narrowband filtering that eliminates the fundamental interference at lower frequencies. The antenna has a high front-to-back ratio null to attenuate the narrowband third-order harmonic. A tilt...

AMPLIFIERS 2 W X-band Amplifiers These 2 W power amplifiers are designed for radar and phased-array applications and offer coverage over standard X-band frequencies with high dependability and reliability. All units can be customized to meet exact gain and frequency requirements. JCA Technology Inc., Camarillo, CA (805) 445-9888. Dual-band...

INTEGRATED CIRCUITS Nonvolatile FPGA The model RH1020 nonvolatile, radiation-hardened field-programmable gate array (FPGA) (part of the company’s RadHard product line) offers short time-to-launch in the commercial satellite market. The model is based on the company’s antifuse architecture that survives exposure to a maximum total dose of 300 KRAD (Si)...

SOURCES High Frequency PLL The model PLL800-5800 high frequency phase-locked loop (PLL) operates from 5700 to 5900 MHz with a supply voltage of +5 V and step size of 500 kHz (typ). Additional features include a phase noise of –105 dBc/Hz (typ) at 100 kHz offset, typical output power...