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Harmonic load-pull systems have gained importance recently, because such setups allow the appropriate harmonic terminations for a transistor to be determined in order to obtain high efficiency and high linearity. Harmonic load-pull can also make the verification of transistor models possible. However, the active load-pull systems that are presently...

This article describes a 2 GHz CMOS complementary voltage-controlled oscillator (VCO) with differentially tuned MOS varactors for ISM-band wireless communications applications. The VCO is fabricated using a 0.25 µm mixed-signal/RF CMOS process. This VCO, utilizing differentially tuned MOS varactors, can reduce the adverse effect of high varactor sensitivity by...

Thales Electron Devices is proud of its contribution to the success of Giove-A, the first demonstrator satellite for Europe’s Galileo satellite navigation and positioning system. The company has supplied the Traveling Wave Tube Amplifiers (TWTA) that amplify the system validation signals. These microwave tube amplifiers are particularly suitable for...

Europe's largest professional society for engineers, the Institution of Engineering and Technology (IET), was launched on 31 March in London, UK. The new Institution has been formed by the Institution of Electrical Engineers (IEE) and the Institution of Incorporated Engineers (IIE) and will have more than 150,000 members worldwide....

High-precision metal part and finishing specialist, Tecan , has been recognized for its ongoing commitment to minimizing its effect on the environment, by being granted ISO 14001 status for its in-house environmental management systems. This ISO specifies the actual requirements for an environmental management system and applies to those...

Huber + Suhner has been awarded a major order for radio frequency assemblies and connectors predestined for the second series of 236 Eurofighter Typhoon aircraft. The order is valued at approximately CHF 13 million and will be processed over the next three to four years. It is the second...

Northrop Grumman Space Technology (NGST) recently presented Mini-Systems Inc. (MSI) with two of its prestigious “Gold” Supplier Awards. MSI’s Thick and Thin Film Divisions were both recognized for their high reliable product quality and reputable delivery. This is the second in a row and third in four years. In...

In tropical regions, satellite communication links at Ku-band frequencies face excess up- and downlink paths loss due to rainfall. The uplink rain attenuation causes a decrease in the signal level received at the satellite receiver, which leads to a decrease of the satellite transmitter power. This signal level is...

WCA 2006 is the world's premier broadband wireless annual convention. Building on the momentum of its 19th year, this influential forum creates a dynamic educational environment of general sessions and panel discussions covering the latest international business and regulatory issues. Keynote presentations and sessions will address the interests of...

RFMD® , a provider of proprietary radio frequency integrated circuits (RFIC) for wireless communications applications, announced an $80 M wafer fabrication facility (fab) expansion. The planned expansion, located on the company's Greensboro campus, is expected to increase RFMD's wafer manufacturing capacity by approximately 40 percent from current levels, enabling...