Inventor
ZHANG GEOFFREY
US35 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG GEOFFREY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
26 patentsUS9438409B1Sep 6, 2016
Centering baud-rate CDR sampling phase in a receiver
XILINX INC73 citations98
US9800438B1Oct 24, 2017
Built-in eye scan for ADC-based receiver
XILINX INC27 citations94
US9455848B1Sep 27, 2016
DFE-skewed CDR circuit
XILINX INC42 citations94
US9379920B1Jun 28, 2016
Decision feedback equalization with precursor inter-symbol interference reduction
XILINX INC24 citations94
US9313017B1Apr 12, 2016
Baud-rate CDR circuit and method for low power applications
XILINX INC30 citations94
US9461851B1Oct 4, 2016
Circuits for and methods of robust adaptation of a continuous time linear equalizer circuit
XILINX INC21 citations92
US9882795B1Jan 30, 2018
Signal loss detector
XILINX INC17 citations86
US11423303B1Aug 23, 2022
Machine learning based methodology for adaptative equalization
XILINX INC19 citations85
US10256968B1Apr 9, 2019
Systems and methods for clock and data recovery
XILINX INC10 citations84
US10224937B1Mar 5, 2019
Clock and data recovery circuit having tunable fractional-N phase locked loop
XILINX INC11 citations84
US10038545B1Jul 31, 2018
Systems and methods for clock and data recovery
XILINX INC9 citations84
US9313054B1Apr 12, 2016
Circuits for and methods of filtering inter-symbol interference for SerDes applications
XILINX INC12 citations84
US9276782B1Mar 1, 2016
Precursor inter-symbol interference reduction
XILINX INC12 citations84
US9237047B1Jan 12, 2016
Circuits for and methods of receiving data in an integrated circuit
XILINX INC15 citations84
US9178552B1Nov 3, 2015
Channel adaptive receiver switchable from a digital-based receiver mode to an analog-based receiver mode
XILINX INC10 citations84
US9654327B2May 16, 2017
Channel adaptive ADC-based receiver
XILINX INC12 citations83
US11038768B1Jun 15, 2021
Method and system for correlation of a behavioral model to a circuit realization for a communications system
XILINX INC8 citations79
US11522735B1Dec 6, 2022
Digital noise-shaping FFE/DFE for ADC-based wireline links
XILINX INC3 citations73
US10644844B1May 5, 2020
Circuit for and method of determining error spacing in an input signal
XILINX INC5 citations73
US10404408B1Sep 3, 2019
Pam multi-level error distribution signature capture
XILINX INC4 citations73
US10367666B2Jul 30, 2019
ADC based receiver
XILINX INC6 citations73
US10291239B1May 14, 2019
Delta-sigma modulator having expanded fractional input range
XILINX INC2 citations73
US9595990B1Mar 14, 2017
Circuit for and method of enabling the adaptation of an automatic gain control circuit
XILINX INC5 citations73
US10404445B1Sep 3, 2019
Data receiver circuit and method of receiving data
XILINX INC2 citations72
US12487268B2Dec 2, 2025
Equipment design and testing using in-situ on-die time-domain reflectometry
XILINX INC1 citations59
US10530561B1Jan 7, 2020
Adaptive method to reduce training time of receivers
XILINX INC0 citations50
DAI XINGDONG
4 patentsUS8559580B2Oct 15, 2013
Asynchronous calibration for eye diagram generation
DAI XINGDONG8 citations81
US8611406B2Dec 17, 2013
System optimization using soft receiver masking technique
DAI XINGDONG7 citations78
US8125259B2Feb 28, 2012
Duty cycle distortion (DCD) jitter modeling, calibration and generation methods
DAI XINGDONG5 citations60
US8514925B2Aug 20, 2013
Methods and apparatus for joint adaptation of transmitter transversal filter in communication devices
DAI XINGDONG0 citations48
AGERE SYSTEMS INC
3 patentsUS8045608B2Oct 25, 2011
Adaptive equalization employing pattern recognition
AGERE SYSTEMS INC12 citations78
US7882404B2Feb 1, 2011
Backplane emulation technique for automated testing
AGERE SYSTEMS INC6 citations73
US8045609B2Oct 25, 2011
Adaptive equalization employing pattern recognition
AGERE SYSTEMS INC2 citations59