公开(公告)号：US11677594B1

公开(公告)日：2023-06-13

申请号：US17706632

申请日：2022-03-29

Applicant: Novatek Microelectronics Corp.

Inventor： Tien-Chien Lee ,  Chao-Kai Tu ,  Sheng Hao Tseng

IPC: H04L25/03 ,  H04L25/02 ,  H04L25/06

CPC classification number: H04L25/0328 ,  H04L25/0272 ,  H04L25/061

Abstract: The disclosure provides a receiver and an automatic offset cancellation (AOC) method thereof. The receiver includes a receiving channel circuit and an AOC circuit. The receiving channel circuit generates an equalized differential signal including an equalized first-end signal and an equalized second-end signal according to an input differential signal. The AOC circuit detects a peak of the equalized first-end signal to generate a first peak detection result. The AOC circuit detects a peak of the equalized second-end signal to generate a second peak detection result. The AOC circuit compares the first peak detection result with the second peak detection result to generate a comparison result. The AOC circuit compensates a mismatch of an input differential pair in the receiving channel circuit according to the comparison result.