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    News and Articles on Impedance Matching



    NEC Develops One of World's Leading Mobile Terminal Base Station Transmitter Amplifiers; Global Sales Planned to Vendors of 3G, LTE and WiMAX Base Stations  Feb 18, 2009
    (*2) RF Transistor: An adapted transistor made up of semiconductors and internal impedance matching circuits that amplifies power for radio frequency. (*3) Doherty RF Circuit: An essential wireless circuit for amplifier optimization where steadily operating amplifiers and momentarily operating amplifiers have a parallel connection. (JCN Network, Japan)

    Winbond America Introduces First Quad Programmable Extended CODEC/SLCC IC Optimized Short-Loop VoIP Applications  Feb 26, 2008
    The W684386 s four-channel SLCC block supports programmable impedance matching and trans-hybrid balancing ensuring that worldwide compliance can be supported from a single hardware configuration. Winbond's proprietary CODEC/SLCC is protected by U.S. Patent No. 7,260,212 issued August 21 2007. (BusinessWire)

    TBI and Norvinz to Debut the High-End Solution to iPods at T.H.E. Show  Jan 5, 2008
    ETL solves a myriad of problems in speaker design by using acoustic impedance matching techniques that allows full and natural integration of the speaker sound with room acoustics. This design approach obviates the need for expensive and cumbersome room treatments and correction devices. (Yahoo! Wire -- Entertainment News)

    RF-MEMS aims to tune mobile wireless  Nov 15, 2007
    " Keeping the antennas' impedance matched to the RF front-end in a cell phone has become increasingly difficult, as a result of the trend to make antennas internal. Internal antennas tend to couple the signal to the user's body, so that just picking up the handset can change the antenna's impedance. Today, electrical engineers design a passive impedance-matching network that can handle the difference between holding the handset and lying it flat on a table, but WiSpry claims its active network... (EETimes)

    Elpida Introduces the World's Fastest DRAM Based on the Rambus XDR Memory Architecture  Oct 5, 2007
    The 512Mb XDR DRAM device also features adaptive impedance matching, dynamic request scheduling and zero overhead refresh. "Elpida's 4.8GHz XDR DRAM is an excellent fit for consumer electronics applications requiring high bandwidth for 3-D graphics, high-definition image processing, and advanced multimedia," said Sharon Holt, senior vice president of worldwide sales, licensing and marketing at Rambus. (Yahoo! Wire -- Entertainment News)




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