RF & Microwave Industry News

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Technical Feature Gallium Nitride-based Microwave and RF Control Devices This article describes origins of the use of high electron mobility field-effect transistors (HEMT) based on AlGaN/GaN technology as control components for high power microwave and RF control applications. Robert H. Caverly, Nikolai V. Drozdovski and Michael J. Quinn Villanova...

Technical Feature 0.24-µm CMOS Technology and BSIM RF Modeling for Bluetooth Power Applications This article reports the experimental evaluation of a 0.24- µ m CMOS technology for Bluetooth power applications. From load-pull measurements, the 0.24- µ m CMOS power transistor can deliver 23 dBm output power with 39 percent...

Technical Feature Carrier-to-Interference Ratio Prediction of Nonlinear RF Devices A common performance measure of radio communication systems is the carrier-to-interference ratio (CIR). A new method for estimating the total CIR degradation by a nonlinear device is presented in this article. Using a kernel function derived from swept power two-tone...

Technical Feature Multi-layer Thin-film MCM-D for the Integration of High Performance Wireless Front-end Systems Thin-film multi-layer multi-chip module with deposited substrate (MCM-D) technology using the system in a package concept is presented as a viable approach for the integration of high performance wireless front-end systems. Due to the high...

Technical Feature Impact of Front-end Non-idealities on Bit Error Rate Performance of WLAN-OFDM Transceivers This article describes origins of the use of high electron mobility field-effect transistors (HEMT) based on AlGaN/GaN technology as control components for high power microwave and RF control applications. B. Côme, R. Ness, S. Donnay,...

Technical Feature The Development of DBS Imaging Based on Airborne Pulse Doppler Radar in China Doppler beam sharpening (DBS) is an effective technique to improve the azimuth resolution of airborne pulse Doppler radar in its air-to-ground mode. This article describes new developments of DBS in China. First, the basic...

Tutorial A Practical Guide to the Design of Microstrip Antenna Arrays Roger Hill Philips Research Laboratories Surrey, England A microstrip antenna array is one of the simplest forms of antennas available. The antenna consists of a single printed circuit board with an RF connector and perhaps an absorptive load....

THE BOOK END * Small Signal Microwave Amplifier Design Theodore Grosch Noble Publishing Corp. 262 pages; $69 ISBN: 1-884932-06-1 This book focuses on analytical methods of high frequency amplifier design by determining the characteristics of input and output networks and their subsequent synthesis. The emphasis is on narrowband, small-signal...

AROUND THE CIRCUIT INDUSTRY NEWS * Karl Suss has acquired MFI Technologies, San Jose, CA. MFI manufactures advanced electrical analysis products for the semiconductor industry. This acquisition will allow Suss to expand its product line to offer a cost-effective internal node probe solution down to 0.10 micron. * Tektronix...

THE COMMERCIAL MARKET Multipurpose Wireless PC-EPhone is Introduced A wireless PDA with full Internet, PC and organizer functions has been introduced and will be distributed exclusively in the US and Canada by Newlands Oil & Gas Inc. (doing business as PC-EPhone.com Inc.). The instrument features PC functions with Internet...