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Amplifiers

RFMD Introduces Family of GaN Power Amplifiers for WCDMA, WiMAX and Public Mobile Radio Applications

RF Micro Devices, Inc. (NASDAQ: RFMD), a global leader in the design and manufacture of high-performance radio systems and solutions for applications that drive mobile communications, today announced the introduction and sampling of Gallium Nitride (GaN) wideband power amplifier ICs to Tier 1 WiMAX, cellular base station and Public Mobile Radio (PMR) customers.
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RFMD TAPS LOCAL NATIVE TO ENHANCE PUBLIC RELATIONS EFFORTS

RF Micro Devices, Inc. (NASDAQ:RFMD), a global leader in the design and manufacture of high-performance radio systems and solutions for applications that drive mobile communications, today announced the hiring of Brian K. Cockman as Public Relations Specialist. Cockman brings a wealth of public relations and extensive marketing experience with him from the public and nonprofit sectors, along with a wide-ranging skill set in strategic branding.
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Power Amplifier Linearization Using an Indirect-learning-based Inverse TDNN Model

In this article, an effective digital predistortion procedure of data acquisition, analysis, modeling and linearization for high power amplifiers is presented, based on tapped delay neural networks (TDNN). Memory effects of high power RF amplifiers wer...
Current research studies are drawing more and more attention on the memory effects of high power amplifier linearization, especially for cellular base transceiver system applications. 1,2 Although many studies on power amplifier linearization have been conducted, linearization of strongly nonlinear systems with large memory, which exacerbates the performance of...
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