The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 2024
Filed:
Aug. 11, 2023
Inspur Suzhou Intelligent Technology Co., Ltd., Jiangsu, CN;
Yongzheng Zhan, Jiangsu, CN;
INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD., Jiangsu, CN;
Abstract
The present application relates to an adaptive PAM4 decision feedback equalization circuit, including a decision feedback equalization main circuit and an adaptive circuit. The main circuit includes an adder, a first decision device, a second decision device, a third decision device, a first delay unit group, a second delay unit group, a third delay unit group, a decoder, and a DSP coefficient table; the adaptive circuit includes an eye pattern monitoring module and an adaptive module; and the adaptive module includes a comparison unit, a delay unit, and a coefficient regulation and control unit.