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Receiver circuit performing adaptive equalization and system including the same

A receiver and equalizer technology, applied in the system field, can solve the problems of signal distortion, signal quality degradation, communication channel bandwidth limitation, etc.

Pending Publication Date: 2022-02-22
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The bandwidth of the communication channel may be limited and the signal on the communication channel may be distorted due to various reasons such as skin effect, dielectric loss, etc.
Therefore, the quality of the signal transmitted at high speed may degrade

Method used

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  • Receiver circuit performing adaptive equalization and system including the same
  • Receiver circuit performing adaptive equalization and system including the same
  • Receiver circuit performing adaptive equalization and system including the same

Examples

Experimental program
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Embodiment Construction

[0032] figure 1 is a block diagram illustrating a system including a receiver circuit according to an example embodiment.

[0033] refer to figure 1 , the system 1000 includes a transmitter circuit 1100 , a receiver circuit 1200 , and a communication channel 10 connecting the transmitter circuit 1100 and the receiver circuit 1200 .

[0034] The transmitter circuit 1100 may include a transmission driver DR that outputs a transmission data signal STD to the communication channel 10 based on the transmission data TDT.

[0035] The receiver circuit 1200 may include a receive buffer BF, an equalizer EQZ 100 , a clock data recovery circuit CDR200 and an equalization control circuit EQCON 300 .

[0036] The reception buffer BF may buffer and output the input data signal SRD transmitted through the communication channel 10 . The equalizer 100 may generate an equalized signal SEQ by equalizing the input data signal SRD based on the equalization coefficient CEQ. According to example...

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PUM

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Abstract

A receiver circuit includes an equalizer configured to generate an equalization signal by equalizing an input data signal transferred through a communication channel based on an equalization coefficient; a clock data recovery circuit configured to generate a data clock signal and an edge clock signal based on the equalization signal, generate a data sample signal including a plurality of data bits by sampling the equalization signal in synchronization with the data clock signal, and generate an edge sample signal including a plurality of edge bits by sampling the equalization signal in synchronization with the edge clock signal; and an equalization control circuit configured to control the equalization coefficient by comparing the plurality of data bits and the plurality of edge bits.

Description

[0001] Cross References to Related Applications [0002] Korean Patent Application No. 10-2020-0103524 filed with the Korean Intellectual Property Office on Aug. 18, 2020 and entitled "Receiver Circuit Performing Adaptive Equalization and System Including the Same" is hereby incorporated by reference in its entirety. into this article. technical field [0003] Embodiments relate generally to semiconductor integrated circuits, and more particularly to receiver circuits that perform adaptive equalization and systems including the receiver circuits. Background technique [0004] The electronic device may perform functions according to operations of various electronic circuits included in the electronic device. An electronic device may operate alone or while in communication with another electronic device. As the amount of data exchanged between electronic devices increases, communication circuits capable of transmitting and receiving signals at high speeds are being employed....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L25/03H04B3/04H04J3/06
CPCH04L25/03082H04B3/04H04J3/0638H04L5/0048H04L27/0014H04L7/0087H04L25/03006H04L7/027H04L2025/03681H04L27/01H04L7/0016
Inventor 柳京昊金暻浩李佶勋李荣喆李泰浩林炫旭张永焕全胜燮
Owner SAMSUNG ELECTRONICS CO LTD