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Technical Feature Design of a Low Phase Noise Ku-band Oscillator Using a SiGe HBT Myrianne Regis, Hugues Lafontaine and Steve Kovacic SiGe Semiconductor Ottawa, ON, Canada Gilles Cibiel and Olivier Llopis LAAS-CNRS Toulouse, France In the past decade, the demand for microwave, millimeter-wave and wireless communication systems has rapidly...
Technical Feature Lossy Linearizers for Reduction of Nonlinear Distortion This article describes a technique for reducing distortion components in nonlinear electronic or electro-optic devices. The linearizer circuits are capable of generating both even- or odd-order distortion, or any combination thereof. Both compressive (180°) and expansive (0°) nonlinearity can be...
Technical Feature Design of a Novel Vector Modulator A vector modulator that controls magnitude and phase of an input signal is proposed in this article. The previous magnitude and phase-controlling circuits, composed of an attenuator and a phase shifter, permit phase and gain cross-coupling. The proposed modulator, which is...
Introduction to the regulatory and operational issues which influence linearity requirements and frequency planning aspects of high frequency microwave radios used for point-to-point or point-to-multipoint systems
Special Report Linearity Requirements for MMICs for 16 Through 128 QAM ETSI Compliant Radios Jim Harvey Mimix Broadband Webster, TX This article highlights some of the regulatory and operational issues that influence linearity requirements and frequency planning aspects of high frequency microwave radios used for point-to-point or point-to-multipoint systems....
Special Report RAWCON2001 Conference Report RAWCON2001 Highlights Interdisciplinary Wireless Data Technology Michael S. Heutmaker RAWCON2001 General Chair The 2001 IEEE Radio and Wireless Conference (RAWCON2001), held in Waltham, MA, on August 19 to 22, 2001, explored interdisciplinary aspects of RF technology and wireless communications. This year several elements of...
New Products COMPONENTS Digital Attenuators The model AA107-310 and AA109-310 GaAs IC five-big digital attenuators feature serial to parallel silicon drivers as well as low loss, high attenuator accuracy and high IP3. The attenuators are designed for use in basestations, wireless data and wireless local loop applications. The AA107-310...
Around the Circuit INDUSTRY NEWS National Starch and Chemical , a member of the ICI Group , has acquired selected product line and technologies from the Advanced Polymers Business of Honeywell International Inc. Terms were not disclosed. Allgon AB has reached an agreement with National Semiconductor Corp. (NSC) whereby...
New Literature Short Form Catalog This eight-page catalog features the company's waveguide couplers, waveguide components, waveguide terminations, phase shifters, variable attenuators, coaxial components and custom products. Photographs, schematics, specifications and ordering information are provided. Advanced Technical Materials Inc. (ATM), Patchogue, NY (631) 289-0363. Circle No. 200 RF and Microwave...
Web Update RF Coaxial Connectors This Web site offers pricing and delivery for over 2800 RF coaxial connectors, including connectors in stock throughout the company's nationwide distributor network. The site also features downloadable catalog information and a "virtual tour" of the company's newly expanded facilities. Applied Engineering Products (AEP),...
Workshops & Courses Optoelectronics Advanced Technology Workshop Topics: Optoelectronics packaging, alignment, bonding and interconnect issues, signal routing and integration, optoelectronics case studies and applications, standardization issues and needs. Site: Bethlehem, PA Dates: October 11-14, 2001 Contact: IMAPS, 611 2nd St., NE, Washington, DC 20002 (703) 758-1060 or e-mail: IMAPS@imaps.org....