Title:
MULTI-LEVEL OUTPUT DRIVING CIRCUIT AND METHOD
Document Type and Number:
WIPO Patent Application WO/2021/258963
Kind Code:
A1
Abstract:
A multi-level output driving circuit (100) and a method. The circuit comprises: a signal selection module (110), configured to select, according to an external input signal, to output a signal to be transmitted of a corresponding channel; a weight generation module (120), configured to generate weight data according to the weight of an output eye diagram, wherein the weight of the output eye diagram and the weight data are both multi-bit binary data; a coefficient transfer module (130), configured to perform, according to the weight data, weight control on the signal to be transmitted to generate data comprising weight information; and a weight adjustment and data output module (140), configured to perform weight adjustment and pulse amplitude modulation calculation according to weight adjustment control data, the signal to be transmitted, and the data comprising the weight information to generate four-level pulse amplitude modulation data PAM4.
Inventors:
KONG MINGJIE (CN)
SHEN XIONGJIE (CN)
SHEN XIONGJIE (CN)
Application Number:
PCT/CN2021/095893
Publication Date:
December 30, 2021
Filing Date:
May 25, 2021
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H03M1/00
Foreign References:
| CN111049520A | 2020-04-21 | |||
| CN104767524A | 2015-07-08 | |||
| CN106712773A | 2017-05-24 | |||
| CN110971232A | 2020-04-07 | |||
| CN105553565A | 2016-05-04 | |||
| CN110855295A | 2020-02-28 | |||
| US8742965B1 | 2014-06-03 |
Attorney, Agent or Firm:
SHANGHAI CHENHAO INTELLECTUAL PROPERTY LAW FIRM GENERAL PARTNERSHIP (CN)
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