首页> 外国专利> Distributive encoder for encoding error signals which represent signal peak errors in data signals for identifying erroneous signal baseline, peak and equalization conditions

Distributive encoder for encoding error signals which represent signal peak errors in data signals for identifying erroneous signal baseline, peak and equalization conditions

机译:分布式编码器,用于编码表示数据信号中信号峰值误差的误差信号,以识别错误的信号基线,峰值和均衡条件

摘要

A distributive encoder for receiving and processing digital error signals representing variations in peak values of an equalized incoming digital data signal and in accordance therewith encoding error signals which represent signal peak errors in data signals for purposes of identifying erroneous signal baseline, peak and equalization conditions. The digital error signals represent variations in peak values of an equalized incoming digital data signal which includes a data signal baseline intermediate to its positive and negative peaks. Two sets of the digital error signals identify when present positive and negative levels transcend prior positive and negative levels, respectively, of the equalized incoming digital data signal. Using various subsets of these digital error signals, the distributive encoder generates encoded error signals which identify erroneous signal baseline, peak and equalization conditions. Using various ones of these encoded error signals, a baseline control circuit can generate a baseline control signal for use in controlling a correction of the equalized incoming digital data signal baseline, a peak control circuit can generate a peak control signal for use in controlling compensation for the positive and negative peaks of the equalized incoming digital data signal, and an equalization control circuit can generate a set of equalization control signals for use in controlling the equalization of the incoming digital data signal.
机译:一种分布式编码器,用于接收和处理表示已均衡的输入数字数据信号的峰值变化的数字误差信号,并据此来表示数据信号中信号峰值误差的编码误差信号,以识别错误的信号基线,峰值和均衡条件。数字误差信号表示均衡的输入数字数据信号的峰值变化,该数字输入信号包括在其正峰值和负峰值中间的数据信号基线。两组数字误差信号分别确定何时出现正负电平超过均衡的输入数字数据信号先前的正负电平。使用这些数字误差信号的各种子集,分布式编码器生成编码误差信号,这些误差信号标识了错误的信号基线,峰值和均衡条件。使用这些编码的误差信号中的各种误差信号,基线控制电路可以生成基线控制信号,以用于控制均衡的输入数字数据信号基线的校正,峰值控制电路可以生成峰值控制信号,以用于控制补偿均衡的输入数字数据信号的正和负峰值,以及均衡控制电路可以生成一组均衡控制信号,用于控制输入的数字数据信号的均衡。

著录项

  • 公开/公告号US6043766A

    专利类型

  • 公开/公告日2000-03-28

    原文格式PDF

  • 申请/专利权人 NATIONAL SEMICONDUCTOR CORPORATION;

    申请/专利号US19980076187

  • 发明设计人 WONG HEE;ABHIJIT PHANSE;

    申请日1998-05-12

  • 分类号H03M1/12;

  • 国家 US

  • 入库时间 2022-08-22 01:37:30

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