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Micro-electromechanical systems (MEMS)-based products run from the mundane of automobile air-bag sensors to the over-hyped optical switching fabrics of the recent telecommunications bubble. For some time now, design engineers have been waiting for the advantages of MEMS fabrication techniques to be successfully applied to the problem of RF and...

Development speed is a major concern in today's products' life cycle. Ranking alongside the raw costs involved with prototyping a device, time-to-market is the one key constraint imposed on design engineers. Consequently, any innovative or competitive advantage can easily be lost if advanced ideas get stuck in a long...

A series of high performance wideband MMIC low noise, gain block and driver amplifiers has been developed for applications in next-generation radar and satcom equipment. These new amplifiers operate in the 2 to 20 GHz frequency range and feature a single-supply, low noise and distributed gain functionality. The amplifiers...

A high speed receiver and beam controller has been introduced to address the growing need for faster antenna measurements. This article describes the Panther 6000 system and will show how it can benefit the antenna range operator by allowing more complex CW and pulsed antennas to be tested in...

Recently, multi-layer LTCC technology has been used extensively for the miniaturization of RF passive components and antennas. In addition to the high integration by embedding components and interconnects, high Q passive elements have been demonstrated with LTCC technology. 1 It is suitable to integrate antennas and other passive components,...

Commercial applications of phased-array antennas have been extensively studied over the last decade, principally in the case of vehicular antennas. Beside the problems related with the design of such an array, there are some general considerations that must be taken into account. If the vehicular antenna has a high...

Two decades ago, oscillators were typically designed by starting with a topology named for its discoverer, such as Colpitts or Pierce, and then analytically or empirically modifying element values to achieve a desired result. Later, the application of linear CAE tools provided more options and opportunity. The use of...

Following hard on the heels of the famous Oktoberfest, Munich also proved a more than convivial host to the RF, microwave and wireless communities as the ICM Congress Centre became home for European Microwave Week 2003 in October. Just like those who over indulged at the beer festival the...

In 1976, Soviet pilot Viktor Belenko escaped with his MiG-25P to Japan, thus revealing RP-SA Smerch-A (NATO: Fox Fire) radar technology to the West. While the USSR was undeniably proud of the MiG-25P's peerless speed and altitude capabilities, it was in reality a rather simple aircraft mechanically. The compromise...

Log-periodic Antenna The Radiant Arrow™ AT2526 is a wideband, high gain, log periodic antenna of proprietary design. The AT2526 covers the 26 to 250 MHz frequency band and accepts up to 15 kW input, making it suitable for high field generation and large EUT testing. It also works well...