Industry News

Snap-on SMA Connectors

A new generation of versatile, time-saving snap-on connectors
PRODUCT FEATURES Snap-on SMA Connectors Radiall Rosny-Sous-Bois, France T he prime considerations for engineers when fitting connectors in field conditions are ease and speed of installation, along with the optimization of space, which all contribute to the reliability and cost-effectiveness of a project. Offering an adaptable and versatile solution...
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History of Ultra Wideband Communications and Radar: Part II, UWB Radars and Sensors

Pioneering contributions to the development of ultra wideband (UWB) radars and sensors, as well as some important advantages of UWB signals
Technical Feature History of Ultra Wideband Communications and Radar: Part II, UWB Radars and Sensors This article is the second in a two-part review addressing the history of ultra wideband (UWB) communications and radar. The first part covered UWB communications, and here UWB radars and sensors are addressed. There...
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Gallium Nitride-based Microwave and RF Control Devices

Impact of AlGaN/GaN technology on microwave and RF control devices
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...
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0.24-µm CMOS Technology and BSIM RF Modeling for Bluetooth Power Applications

Results of CMOS technology used for Bluetooth power applications, as well as a detailed description of a modified BSIM3v3 RF model
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...
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Carrier-to-Interference Ratio Prediction of Nonlinear RF Devices

Introduction of a new method of calculating carrier-to-interference ratio (CIR) for arbitrary signals using two-tone IMD measurements
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...
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Multi-layer Thin-film MCM-D for the Integration of High Performance Wireless Front-end Systems

A new approach for the integration of high performance wireless front-end systems using multi-chip modules
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...
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Impact of Front-end Non-idealities on Bit Error Rate Performance of WLAN-OFDM Transceivers

Results and evaluation of BER performance of a complete WLAN-OFDM transceiver
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,...
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The Development of DBS Imaging Based on Airborne Pulse Doppler Radar in China

Chinese development of DBS imaging and implementation in relation to two Doppler centroid estimation algorithms
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...
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A Practical Guide to the Design of Microstrip Antenna Arrays

Detailed description of microstrip antenna array design
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....
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The Book End

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...
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