Patent ID: 11881971
Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 6:
7. The adaptive PAM4 decision feedback equalization circuit according to claim 3, wherein the adaptive circuit comprises an eye pattern monitoring module and an adaptive module;
wherein the adaptive module comprises a comparison unit, a delay unit, and a coefficient regulation and control unit;
the composite signal x is connected to an input of the eye pattern monitoring module; an output of the eye pattern monitoring module is connected to a first input of the comparison unit and an input of the delay unit, separately; a second input of the comparison unit is connected to a reference value Dref; an output of the comparison unit and an output of the delay unit are connected to an input of the coefficient regulation and control unit, separately; and an output of the coefficient regulation and control unit is connected to the DSP coefficient table.