DC offset correction using unused LNA

A receiver performs DC offset correction by preliminarily using an unused LNA with a terminating resistance to determine a base level DC offset. Once the DC offset is determined, a DC offset correction may be calculated and applied to an active LNA output. When determining the DC offset, the active...

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Bibliographic Details
Main Authors Yan, Kelvin Kai Tuan, Hietala, Alexander Wayne, Crago, John
Format Patent
LanguageEnglish
Published 07.06.2005
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Summary:A receiver performs DC offset correction by preliminarily using an unused LNA with a terminating resistance to determine a base level DC offset. Once the DC offset is determined, a DC offset correction may be calculated and applied to an active LNA output. When determining the DC offset, the active LNA is disabled.