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1. 发明授权

US10396911B1 Noise analysis to reveal jitter and crosstalk's effect on signal integrity 有权
公开(公告)号：US10396911B1
公开(公告)日：2019-08-27
申请号：US15822366
申请日：2017-11-27
申请人： Teledyne LeCroy, Inc.
发明人： Martin T. Miller
IPC分类号： H04B3/487 , H04B17/23 , H04L7/00 , H04B17/21 , H04L7/033
摘要： A method and apparatus for generating a probability density function eye are provided. The method preferably includes the steps of acquiring an input waveform, performing a clock data recovery in accordance with the input waveform to determine one or more expected transition times and defining a plurality of unit intervals of the input waveform in accordance with the one or more expected transition times. One or more values of one or more data points may then be determined in accordance with the input waveform in accordance with the one or more expected transition times, and a category for each unit interval in accordance with its state and its position within the input waveform may also be determined. One or more histograms may then be generated for the determined one or more values for each category of unit intervals.

2. 发明授权

US09843402B1 Noise analysis to reveal jitter and crosstalk's effect on signal integrity 有权
公开(公告)号：US09843402B1
公开(公告)日：2017-12-12
申请号：US15284676
申请日：2016-10-04
申请人： Teledyne LeCroy, Inc.
发明人： Martin T. Miller
IPC分类号： H04B17/23 , H04L7/033 , H04B17/21 , H04L7/00 , H04B3/487
CPC分类号： H04B17/23 , H04B3/487 , H04B17/21 , H04L1/205 , H04L7/0029 , H04L7/0331
摘要： A method and apparatus for generating a probability density function eye are provided. The method preferably includes the steps of acquiring an input waveform, performing a clock data recovery in accordance with the input waveform to determine one or more expected transition times and defining a plurality of unit intervals of the input waveform in accordance with the one or more expected transition times. One or more values of one or more data points may then be determined in accordance with the input waveform in accordance with the one or more expected transition times, and a category for each unit interval in accordance with its state and its position within the input waveform may also be determined. One or more histograms may then be generated for the determined one or more values for each category of unit intervals.

3. 发明授权

US09496993B1 Noise analysis to reveal jitter and crosstalk's effect on signal integrity 有权
标题翻译：噪声分析显示抖动和串扰对信号完整性的影响
公开(公告)号：US09496993B1
公开(公告)日：2016-11-15
申请号：US13739106
申请日：2013-01-11
申请人： Teledyne LeCroy, Inc.
发明人： Martin T. Miller
IPC分类号： H04L1/20
CPC分类号： H04B17/23 , H04B3/487 , H04B17/21 , H04L1/205 , H04L7/0029 , H04L7/0331
摘要： A method and apparatus for generating a probability density function eye are provided. The method preferably includes the steps of acquiring an input waveform, performing a clock data recovery in accordance with the input waveform to determine one or more expected transition times and defining a plurality of unit intervals of the input waveform in accordance with the one or more expected transition times. One or more values of one or more data points may then be determined in accordance with the input waveform in accordance with the one or more expected transition times, and a category for each unit interval in accordance with its state and its position within the input waveform may also be determined. One or more histograms may then be generated for the determined one or more values for each category of unit intervals.
摘要翻译：提供了一种用于生成概率密度函数眼的方法和装置。该方法优选地包括以下步骤：获取输入波形，根据输入波形执行时钟数据恢复，以确定一个或多个期望的转换时间，并根据一个或多个期望值来定义输入波形的多个单位间隔过渡时期。然后可以根据一个或多个预期转换时间根据输入波形确定一个或多个数据点的一个或多个值，以及根据其状态及其在输入波形内的位置的每个单位间隔的类别也可以确定。然后可以为每个类别的单位间隔的确定的一个或多个值生成一个或多个直方图。

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