Macau IC State-Key Lab received the RFIC’2021 Student Paper Award 3rd Place – A 0.25pJ/b 56Gb/s PAM-4 CDR in 28nm (4x more power efficient than the 7nm industrial work reported in ISSCC’2019). 4 winners out of 13 world-class finalists (UMichigan, imec, UCSB, UCSD, GerogiaTech, MIT, ZhejiangU, UCLA…).