公开(公告)号：US20230130236A1

公开(公告)日：2023-04-27

申请号：US17972869

申请日：2022-10-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hobin SONG ,  Yungeun NAM ,  Byeonggyu PARK ,  Jaehyun PARK ,  Hajung PARK ,  Junhan BAE

IPC: H04B1/18 ,  H04B17/21

Abstract: A device includes a receiver analog front-end circuit including a path shared by an internal loopback current path and a calibration current path, wherein the receiver analog front-end circuit is configured to perform an internal test using the internal loopback current path while in a test mode, and equalize a first data signal while in a normal mode, the equalizing the first data signal including removing an offset from the first data signal using the calibration current path.