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    • 4. 发明授权
    • Testing for digital signaling
    • 数字信号测试
    • US06704277B1
    • 2004-03-09
    • US09474564
    • 1999-12-29
    • Sanjay DabralMing ZengChung-Wai Yue
    • Sanjay DabralMing ZengChung-Wai Yue
    • H04J100
    • G01R31/001H04B3/487
    • In an electronic system having logic agents that communicate with each other through one or more signal lines, a method for testing high speed digital signaling on the signal lines is disclosed. The method involves sensing a first crosstalk signal induced by a first digital signal. The first digital signal is driven by a first logic agent into a signal line to communicate with a second agent. The second agent is coupled to receive the first digital signal from the signal line. A logic waveform that represents the digital signal is recorded and/or displayed, based upon the crosstalk signal. The technique may also be used for testing simultaneous bidirectional signaling on the same signal line.
    • 在具有通过一个或多个信号线彼此通信的逻辑代理的电子系统中,公开了一种用于在信号线上测试高速数字信令的方法。 该方法包括感测由第一数字信号引起的第一串扰信号。 第一数字信号由第一逻辑代理驱动到信号线中以与第二代理进行通信。 第二代理被耦合以从信号线接收第一数字信号。 基于串扰信号,记录和/或显示表示数字信号的逻辑波形。 该技术还可用于测试同一信号线上的同步双向信令。