Patent ID: 8831142
Filing Date: 2014-09-09
Classification: H04L

Abstract:
1. A receiver having an input, the receiver comprising: an analog front end coupled to the receiver input and having an output; a first subtractor having a first input coupled to the output of the analog front end and having an output; a second subtractor having a first input coupled to the output of the first subtractor, a second input, and an output; a first slicer having an input coupled to the output of the second subtractor and having an output; a first sampler having an input coupled to the output of the second subtractor, having an output, and configured to sample signals applied thereto at transitions in those signals; an offset adaptation controller having an input coupled to the output of the first sampler and configured to produce at an output a signal coupled to a second input of the first subtractor; and a decision feedback equalizer having an output coupled to the second input of the second subtractor, at least one tap coefficient, and an input coupled to the output of the first slicer.