A Sub-0.25-pJ/bit 47.6-to-58.8-Gb/s Reference-Less FD-Less Single-Loop PAM-4 Bang-Bang CDR With a Deliberate-Current-Mismatch Frequency Acquisition Technique in 28-nm CMOS.
Xiaoteng ZhaoYong ChenLin WangPui-In MakFranco MalobertiRui Paulo MartinsPublished in: IEEE J. Solid State Circuits (2022)