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Cadence Design Systems Inc. , a leader in global electronic design innovation, announced that it has acquired Chip Estimate Corp. , a leader in delivering IC planning and enterprise-level IP reuse management solutions. Founded in 2003, Chip Estimate products enable electronics design teams to predict the die size, yield,...

TriQuint Semiconductor and WJ Communications Inc. announced a definitive agreement for TriQuint to acquire WJ. WJ is a supplier of radio frequency solutions for wireless infrastructure and will expand TriQuint’s reach into this market. Under the terms of the agreement, TriQuint will acquire by merger all outstanding shares of...

Ansoft Corp. has released new versions of Nexxim®, the company's high-capacity circuit simulation software, and Ansoft Designer®, its integrated schematic and design management software. The products include new statistical analysis and transient simulation capabilities that allow engineers to rapidly simulate high-speed serial channel behavior. This eliminates prototype iterations that...

A team headed by Lockheed Martin Space Systems Co. (LMSSC) has received a $5.7 M contract from DARPA to compete in Phase 1 development of its System F6 space technology and demonstration program. F6 is shorthand for “Future, Fast, Flexible, Fractionated, Free-Flying Spacecraft United by Information Exchange.” The DARPA...

Mimix Broadband Inc. introduces a driver and power amplifier pair offered in RoHS compliant, standard 3x3- and 4x4-millimeter QFN plastic packages, covering 12 to 16 GHz. This driver and power amplifier pair, identified as XP1042-QT and XP1043-QH, respectively, delivers high performance and offers several unique features. The XP1042-QT driver...

RF Micro Devices (RFMD) announced the expansion of its wireless infrastructure product portfolio with the introduction of the SPA-1426Z and SPA-1526Z power amplifiers (PA). The SPA-1426Z and SPA-1526Z are one-watt and two-watt, respectively, Indium Gallium Phosphide (InGaP) power amplifiers that address base station applications across all cellular standards and...

Analogic Corp. announced recently that it has entered into an agreement to acquire privately held Copley Controls Corp., Canton, MA, a supplier of gradient amplifiers for Magnetic Resonance Imaging (MRI) and precision motion control systems. The purchase price is approximately $68.75 M cash and up to an additional $1.8...

A four feeding microstrip antenna operating at 2.0 GHz and match to a 50Ω impedance is designed to combine the power externally in wireless communication. The antenna is designed using Agilent’s Advanced Design System (ADS) and Computer Simulation Technology (CST) simulation tools. After fabricating the antenna, the S-parameter, radiation...

This article proposes a miniaturized quarter-circular-slot UWB (QCS-UWB) antenna using field-pattern analysis of the circular-slot UWB prototype antenna. The prototype antenna operates on a series of multi-pole radiation based on TEn modes, and has a completely symmetrical and approximate symmetrical planes along the vertical and the horizontal lines, respectively,...

Introduction Orthogonal Frequency-Division Multiplexing (OFDM) — essentially identical to Coded OFDM (COFDM) — is a digital multi-carrier modulation scheme, which uses a large number of closely-spaced orthogonal sub-carriers. Each sub-carrier is modulated with a conventional modulation scheme (such as quadrature amplitude modulation) at a low symbol rate, maintaining data...