DECISION FEEDBACK EQUALIZER
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United States of America Patent
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Issued Date -
Oct 12, 2017
app pub date -
Apr 11, 2016
filing date -
Apr 11, 2016
priority date (Note) -
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Abstract
A decision feedback equalizer may include an input node, first and second paths, and a summation circuit. The input node may be configured to receive an input signal with an input symbol rate. The first and second paths may receive the input signal. The first path may include a first register configured to output a first signal based on the input signal such that the first signal has a sample symbol rate less than the input symbol rate. The second path may include a second register configured to output a second signal at the sample symbol rate based on the input signal. The summation circuit may be positioned between the input node and the first and second paths. The summation circuit may subtract the first and seconds signals at the sample symbol rate from the input signal before the input signal is provided to the first and second paths.
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