Patent ID: 11936409
Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. The data transceiving system as claimed in claim 7, wherein the CDR unit includes:
a data decision feedback equalizer (Data DFE);
an edge decision feedback equalizer (Edge DFE);
a reference sampler;
a sampler; and
a phase detector (PD),
the sampler is configured to compare an output of the Data DFE with an output of the reference sampler to output a comparison value and provide the comparison value to the PD,
the Edge DFE is configured to output an output voltage for identifying an intersection point of voltage level transition to provide the output voltage to the PD, and
the PD is configured to output phase information by adjusting a position of the intersection point based on the comparison value and the output voltage.