Patent ID: 11881969
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A method of adjusting a direct current (DC) offset in a continuous-time linear equalizer (CTLE) included in an analog front end (AFE) for a receiver of a serial data link, the method comprising:
receiving an input signal from a transmitter;
determining a difference between a first average output voltage corresponding to a first output node of the CTLE and a second average output voltage corresponding to a second output node of the CTLE;
incrementing or decrementing an offset count based on the difference; and
adjusting a plurality of programmable tail current sources included in the CTLE based on a value of the offset count to adjust the DC offset between the first and second output nodes of the CTLE.