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South Korea develops digital audio components

Posted: 04 Dec 2006 ?? ?Print Version ?Bookmark and Share

Keywords:DAB receivers? DAB receiver? RF chipsets? RF chips? baseband chipset?

A team led by a state-run electronics technology think tank in South Korea has developed core components for terrestrial digital audio broadcasting (DAB) receivers, including RF and baseband chipsets, the Ministry of Commerce, Industry and Energy said last week (Nov. 29).

The ministry said localization of the components resulted from a multimillion-dollar project to develop next-generation technology for key components used in terrestrial DAB receivers.

A team of 24 industrial, academic and research institutes here, including the state-run Korea Electronics Technology Institute (KETI), have participated in the project since October 2003.

The RF chipset receives and amplifies radio frequencies and filters digital signals required for DAB services. The baseband chip recovers digital signals filtered through the RF chipset and is capable of detecting and correcting signal errors.

South Korea previously relied on imports of all the chipsets. The government now expects an import substitution boost in the hundreds of millions of dollars a year, according to the ministry.

Also announced was so-called "fusion technology" which enables convergence of conventional RF and basedband chipsets. The technology will help reduce power consumption and shrink the size of mobile devices for digital multimedia broadcasting services, the ministry added.

- Sean Shim
EE Times

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