Equalizer for high speed serial data links and method of initialization
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United States of America Patent
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Sep 20, 2016
Grant Date -
N/A
app pub date -
May 7, 2015
filing date -
May 7, 2015
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Abstract
A system and method for calculating optimal equalizer coefficients during an initialization phase is disclosed. An equalizer system for processing a received signal at a communications receiver comprises several equalizers and adaptation modules. A first equalizer is configured to receive and process a received signal to create a first equalizer output. The first equalizer is active during an initialization phase and active during an operational phase. A second equalizer is configured to receive and process the first equalizer output to create a second equalizer output. The second equalizer is active during an initialization phase and aids in the generation of the first equalizer coefficients, and inactive during an operation phase. A third equalizer is configured to receive and process the first equalizer output to create a third equalizer output such that the third equalizer is inactive during an initialization phase and active during an operation phase.
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