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UMC, NTU partner on RF chip for WiMAX

Posted: 11 Jul 2006 ?? ?Print Version ?Bookmark and Share

Keywords:RF receiver? WiMAX? UMC? United Microelectronics Corp.? NTU?

United Microelectronics Corp. (UMC), a global semiconductor foundry, and National Taiwan University (NTU) announced recently that their research collaboration has resulted in the delivery of a fully-integrated RF receiver design for WiMAX.

According to the press release, the LNA in the 0.18m RF receiver demonstrated the lowest noise figure (1.78dB) in a 5GHz range. The receiver radio frequency front end with a 1V operating voltage also achieved a low noise level of 5?6dB. The receiver adopted a new type of system architecture that is said to suppress the DC offset resulting from direct conversion receivers well below noise levels. This design will be packaged as an IP for commercial applications.

UMC and NTU have filed several patent applications for this new system, which are expected to be granted next year. The successful result of this collaboration is part of a two-year joint research program between UMC and NTU that began in 2005.

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