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Featured Articles

Jan 25, 2012

Hermetic Mixers Break Cost/Performance Barrier

Frequency mixers are vital to countless RF/micarowave circuits and systems, and at the core of superheterodyne receivers. ...

Jan 25, 2012

Kudos

Global Semiconductor Alliance (GSA)—Has announced the following 2011 awards recipients. ...

Jan 25, 2012

Perfect A PLL LTE Synthesizer

Mobile communications systems have evolved from handling voice exclusively to providing voice, data, and even video transmissions. ...

Dec 20, 2010

Rx Modules Transform RF To Digital Signals

Base stations for third-generation (3G) and fourthgeneration (4G) wireless communications systems are being installed almost as fast as they can be designed and produced. To speed and simplify the process, Linear Technology has d ...


Defense Electronics

Kudos

Global Semiconductor Alliance (GSA)—Has announced the following 2011 awards recipients. ...

Look For Positive Changes

Counterfeit parts. Factories in poor countries, where wages are minimal and working conditions are terrible. ...

Fresh Starts

SemiGen—Has announced the opening of a new RF Supply Center. ...

Contracts

FreeWave Technologies—Has been selected by Mexico’s Comision Federal de Electricidad (CFE) to provide wireless-data-radio applications. ...


Contributed Technical Expert Series

Meet The Challenges Of Testing Eight-Antenna LTE

By Kang Chen

Various multiple-input multiple-output (MIMO) antenna techniques are being used by TD-LTE, FDD-LTE, and LTE-Advanced (LTE-A) wireless technologies. Given the growing complexity in MIMO systems, related test methodologies will also become more challenging. For example, currently deployed MIMO technologies implement two antennas to improve channel performance.

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