Decision feedback equalizer operable with multiple data rates

SE Finn, S Chandramouli - US Patent 8,509,299, 2013 - Google Patents
Decision feedback equalization (DFE) circuitry and method for equalizing data signals over
a wide range of data rates. By using delayed and controlled versions of the recovered data …

Decision feedback equalizer having programmable taps

MC Huang, JJ Chen, CH Chern, TW Chung… - US Patent …, 2015 - Google Patents
(57) ABSTRACT A Decision Feedback Equalizer (DFE) with programmable taps includes a
Summer configured to receive a DFE input signal. Delay elements are coupled to the …

Decision feedback equalization input buffer

YS Sohn - US Patent 7,542,507, 2009 - Google Patents
In a decision feedback equalization (DFE) input buffer, timing and voltage errors, such as
those caused by inter-symbol interference (ISI), are fully compensated. A variable equalizing …

Hybrid half/quarter-rate DFE

AP Jose, A Amirkhany, M Hekmat - US Patent 10,476,707, 2019 - Google Patents
A two-stage decision feedback equalizer. The decision feedback equalizer is configured to
receive serial data, at an analog input, at a first data rate. The two-stage decision feedback …

One-sample-per-bit decision feedback equalizer (DFE) clock and data recovery

JA Carballo, HC Cranford Jr, GJ Nicholls… - US Patent …, 2010 - Google Patents
Disclosed are a receiver circuit, method and design architec ture of a decision feedback
equalizer (DFE) Clock-And-Data Recovery (CDR) architecture that utilizes/produces one …

Decision feedback equalization scheme with minimum correction delay

S Erba, M Pozzoni - US Patent 8,699,559, 2014 - Google Patents
(57) ABSTRACT A decision feedback equalizer includes a correction circuit to correct a
sampled value of an incoming bit based on interSym bol interference of at least one …

Decision feedback equalization scheme with minimum correction delay

S Erba, M Pozzoni - US Patent 8,401,063, 2013 - Google Patents
(57) ABSTRACT A decision feedback equalizer includes a correction circuit to correct a
sampled value of an incoming bit based on interSym bol interference of at least one …

Speed improvement for a decision feedback equalizer

M Ganzerli, GW Den Besten - US Patent 9,467,312, 2016 - Google Patents
FEEDBACK EQUALIZER A digital transmission is susceptible to impairments resulting in
degradation of signal quality. Receivers for digital communications must be capable of …

Method and apparatus for generating one or more clock signals for a decision-feedback equalizer using DFE detected data

PM Aziz, GW Sheets, LA Smith - US Patent 7,616,686, 2009 - Google Patents
Methods and apparatus are provided for generating one or more clock signals for a decision-
feedback equalizer using DFE detected data. A received signal is sampled using a data …

Method and apparatus for a high speed decision feedback equalizer

S Rokhsaz - US Patent 7,668,238, 2010 - Google Patents
Appl. No.: 11/299,975 A method and apparatus for advantageously utilizing the reset (22)
Filed: Dec. 12, 2005 state of an RTZ shift register to guarantee proper data align ment at the …