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New standards drive need for better converters

Posted: 13 Jul 2009 ?? ?Print Version ?Bookmark and Share

Keywords:wireless systems? data converters? OFDM?

With the advent of higher broadband speeds in the fixed-line and wireless systems, the need for higher-performing data converters has become apparent. In this article, we discuss the different standards that are pushing this trend and how single-tone testing, in some cases, does not accurately determine the performance in communication systems. This is particularly true in systems which employ multi-tone signalling or orthogonal frequency division multiplexing (OFDM), where the available bandwidth is split into a large number of sub-channels, which then allows data to be transmitted over many sub-carriers thereby enabling higher data rates.

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