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Amplifiers

RFMD TAPS LOCAL NATIVE TO ENHANCE PUBLIC RELATIONS EFFORTS

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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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RFMD® Provides Bluetooth® Solution to Leading Handset Baseband Supplier

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Reference Platform to Support Design Wins for MediaTek, Inc. and RFMD
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RFMD® Named 'Best Supplier' by Leading Handset Manufacturer

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Lenovo Mobile Honors RFMD for Second Consecutive Year
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M/A-COM INTRODUCES NEW POWER AMPLIFIER FAMILY DESIGNED FOR POINT-TO-POINT RADIOS

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1-2 Watt Amplifiers Cover Radio Frequency Bands From 2.5 to 19.7 GHz
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RFMD(R) Named 'Best Supplier' by Leading Handset Manufacturer

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Lenovo Mobile Honors RFMD for Second Consecutive Year
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RFMD(R) Named 'Best Supplier' by Leading Handset Manufacturer

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Lenovo Mobile Honors RFMD for Second Consecutive Year
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RFMD(R) Named 'Best Supplier' by Leading Handset Manufacturer

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Lenovo Mobile Honors RFMD for Second Consecutive Year
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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...
Hoon Hwangbo, Sung-Chan Jung, Youngoo Yang, Cheon-Seok Park, Byung-Sung Kim and Wansoo Nah,
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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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HSPA: New Challenges for Power Amplifiers in UMTS User Equipment

Christina Geßner; Rohde & Schwarz, Munich, Germany
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Mobile radio technology, based on the universal mobile telecommunications system (UMTS), is developing at breakneck speed. Network operators worldwide are currently upgrading their networks with new high speed downlink packet access (HSDPA) technology, which optimizes the data transmission from the network to the user equipment (downlink). New transmission methods...
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Low Voltage Operation of GaAs Power Amplifiers

Joe Madden Avago Technologies San Jose, CA
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Next-generation mobile phones are capable of downloading music and video programming, displaying global positioning system (GPS) mapping and sharing high resolution photographs. These new applications are becoming increasingly popular as teenagers and others learn to manipulate photo and music files. Applications involving heavy display usage (such as mobile television)...
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