RF & Microwave Industry News

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A High Speed Radio Communications Analyzer Anritsu Wiltron Co. Morgan Hill, CA Speed and flexibility are increasingly crucial requirements of test instruments used by cellular handset manufacturers. The ability to test thousands of handsets -- based on multiple standards -- in as little as an hour is now the...

A Digital Radio LNA Salisbury Engineering Inc. Salisbury, MD The digital radio systems being deployed currently promise increases in spectrum efficiency as well as voice quality. In order to realize this performance outside the laboratory environment, the RF front ends must be more sensitive, linear and robust than their...

Phase-locked Sources for LMDS and MVDS Applications Micro Lambda Inc. Fremont, CA Currently, 28 and 42 GHz mm-wave systems are being offered for wireless local multipoint distribution systems (LMDS) and multipoint video distribution systems (MVDS). Systems operating at 31 GHz have also been proposed for these applications. These systems...

Database Sampling: A Real-world Solution to MMIC Yield Sensitivity Analysis Randall North and David Kennedy Optotek Ltd. Kanata, Ontario, Canada Mike Murphy M/A-COM, Microelectronics Division Lowell, MA In the course of a typical MMIC development and manufacturing program, there are a number of common issues that affect design success...

A Direct 64-QAM Modulator Suitable for MMIC Implementation Surinder Kumar, Abbas Mohammadi and David Klymyshyn Telecommunications Research Labs (TRLabs) and University of Saskatchewan Saskatoon, Saskatchewan, Canada There is considerable worldwide interest in personal communications services (PCS) with wireless data communication. Spectrum allocation for such services has been made and...

Design and Characterization of a Multipurpose PCS Class A Amplifier E. James Crescenzi, Jr. and Walter A. Strifler Watkins-Johnson Co., Microwave Products Group Palo Alto, CA The rapid expansion of personal communications service (PCS) base stations and services has resulted in an increased demand for linear power amplifiers in...

Acronyms and Abbreviations Used by the RF/Microwave Industry: Part II Part two of a two-part list of acronyms and abbreviations used in Microwave Journal articles over the past few years follows. Part one appeared in the February issue. GMDSS Global Maritime Distress Signal System GMSK Gaussian-filtered minimum-shift keying GPIB...

Around the Circuit Industry News Commercial and defense electronic supplier Raytheon Co. has entered into a definitive agreement to merge with Hughes Aircraft, Hughes Electronics Corp. 's defense operations. The consolidated company will be known as Raytheon Co. and will have headquarters based in Raytheon's Lexington, MA facility. The...

New Literature Chip Attenuator Catalog This catalog provides information on chip attenuator application, as well as the company's capabilities, including photolithography, etching, dicing/sawing, plating, assembly, and consulting and design. Specifications are listed. Performance graphs are provided. DAV Technology, Tyngsborough, MA (508) 649-4231. Structural Adhesive Selector Guide This selector guide...

News from Washington Sanders Receives Navy Multifunction Antenna Contract Sanders, a Lockheed Martin company, has received an $8.9 M contract from the US Navy for the advanced technology demonstration concept phase of the multifunction electromagnetic radiating system program. Terms of the contract call for Sanders to design, develop and...