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12 条记录 (耗时 0.009 秒)

    Trigger system and method
    1.
    发明公开
    Trigger system and method 审中-公开
    触发系统和方法

    公开(公告)号：EP2482083A3

    公开(公告)日：2017-07-26

    申请号：EP12152492.0

    申请日：2012-01-25

    申请人： Tektronix, Inc.

    发明人： Smith, Patrick A. ,  Knierim, Daniel G. ,  Calvin, John C. ,  Hazzard, Shane A.

    IPC分类号： G01R13/02 ,  H03L7/093 ,  G01R23/02

    CPC分类号： G01R13/0254 ,  G01R23/02 ,  G01R31/31727 ,  H03L7/093

    摘要： A dF/dT trigger system and method includes instantaneously triggering on a frequency deviation of a data signal, which can be associated with an SSC signal. After receiving a signal at an input terminal (210) of a test and measurement instrument, the signal is low-pass filtered (334) and transmitted to trigger circuitry (340). When a frequency deviation rate in the filtered signal exceeds or crosses one or more thresholds, a trigger event is produced. Also disclosed is a test and measurement instrument including an input terminal to receive the signal, input circuitry to receive and process the signal, and dF/dT trigger circuitry configured to receive the signal and produce a trigger event when a frequency deviation in the signal exceeds or crosses one or more thresholds.

    摘要翻译： dF / dT触发系统和方法包括瞬时触发数据信号的频率偏差，其可以与SSC信号相关联。 在测试和测量仪器的输入端子（210）处接收到信号之后，对该信号进行低通滤波（334）并将其发送到触发电路（340）。 当经滤波的信号中的频率偏差率超过或超过一个或多个阈值时，产生触发事件。 还公开了一种测试和测量仪器，其包括用于接收信号的输入端子，用于接收和处理信号的输入电路以及用于接收信号并在信号中的频率偏差超过时产生触发事件的dF / dT触发电路 或跨越一个或多个阈值。

    AUTOMATIC FREQUENCY PRESCALER
    2.
    发明公开
    AUTOMATIC FREQUENCY PRESCALER 审中-公开
    AUTOMATISCHER FREQUENZ-VORTEILER

    公开(公告)号：EP3112882A1

    公开(公告)日：2017-01-04

    申请号：EP16177129.0

    申请日：2016-06-30

    申请人： Tektronix, Inc.

    发明人： Smith, Patrick A. ,  Kelly, David L.

    IPC分类号： G01R13/02

    摘要： A test and measurement instrument including an input port configured to receive an input signal. One or more divider circuits, coupled to the input port, employ a plurality of divide ratios such that each divide ratio scales an event signal indicating events in the input signal by a predetermined integer value. A control system is also included. The control system is configured to iteratively determine an estimated signal frequency of the event signal, and automatically select a divide ratio for the event signal based on the estimated signal frequency. The instrument may also include one or more counters to count triggers in the event signal subsequent to application of the divide ratio. The instrument may also employ frequency hysteresis to prevent chatter in divide ratio selection.

    摘要翻译： 一种测试和测量仪器，包括被配置为接收输入信号的输入端口。 耦合到输入端口的一个或多个分频器电路采用多个分频比，使得每个分频比将指示输入信号中的事件的事件信号缩放预定的整数值。 还包括一个控制系统。 控制系统被配置为迭代地确定事件信号的估计信号频率，并且基于估计的信号频率自动选择事件信号的分频比。 仪器还可以包括一个或多个计数器，以在应用分频比之后对事件信号中的触发进行计数。 仪器还可能采用频率滞后来防止分频比选择中的颤动。

    Trigger system and method
    4.
    发明公开
    Trigger system and method 审中-公开
    触发系统，而不是-verfahren

    公开(公告)号：EP2482083A2

    公开(公告)日：2012-08-01

    申请号：EP12152492.0

    申请日：2012-01-25

    申请人： Tektronix, Inc.

    发明人： Smith, Patrick A. ,  Knierim, Daniel G. ,  Calvin, John C. ,  Hazzard, Shane A.

    IPC分类号： G01R13/02

    CPC分类号： G01R13/0254 ,  G01R23/02 ,  G01R31/31727 ,  H03L7/093

    摘要： A dF/dT trigger system and method includes instantaneously triggering on a frequency deviation of a data signal, which can be associated with an SSC signal. After receiving a signal at an input terminal (210) of a test and measurement instrument, the signal is low-pass filtered (334) and transmitted to trigger circuitry (340). When a frequency deviation rate in the filtered signal exceeds or crosses one or more thresholds, a trigger event is produced. Also disclosed is a test and measurement instrument including an input terminal to receive the signal, input circuitry to receive and process the signal, and dF/dT trigger circuitry configured to receive the signal and produce a trigger event when a frequency deviation in the signal exceeds or crosses one or more thresholds.

    摘要翻译： dF / dT触发系统和方法包括立即触发可与SSC信号相关联的数据信号的频偏。 在测试和测量仪器的输入端（210）接收到信号之后，该信号被低通滤波（334）并被发送到触发电路（340）。 当滤波信号中的频率偏差速率超过或超过一个或多个阈值时，产生触发事件。 还公开了一种测试和测量仪器，包括用于接收信号的输入端子，用于接收和处理信号的输入电路，以及配置为当信号中的频率偏差超过信号时接收信号并产生触发事件的dF / dT触发电路 或跨越一个或多个阈值。

    Oscilloscope triggering control circuit
    7.
    发明公开
    Oscilloscope triggering control circuit 失效
    Oszilloskop-Triggerkontrollschaltung。

    公开(公告)号：EP0277702A1

    公开(公告)日：1988-08-10

    申请号：EP88300122.4

    申请日：1988-01-08

    申请人： TEKTRONIX, INC.

    发明人： Bradford, Jeffrey O. ,  Smith, Patrick A.

    IPC分类号： G01R13/32

    CPC分类号： G01R13/32

    摘要： A triggering control circuit varies a holdoff period for one sweep cycle whereby to lock triggering to a different, selected event viewable on an oscilloscope.

    摘要翻译： 触发控制电路改变一个扫描周期的抑制周期，从而将触发锁定到示波器上可以看到的不同的选定事件。

    Eye diagram violation and excess jitter trigger
    9.
    发明公开
    Eye diagram violation and excess jitter trigger 有权
    Trigger auf Verletzung des Augendiagramms undJitterüberschuss

    公开(公告)号：EP2058668A1

    公开(公告)日：2009-05-13

    申请号：EP08253610.3

    申请日：2008-11-05

    申请人： TEKTRONIX, INC.

    发明人： Smith, Patrick A. ,  Knierim, Daniel G.

    IPC分类号： G01R13/02 ,  H04L1/20 ,  H04L1/24 ,  G01R31/317

    CPC分类号： G01R31/3171 ,  G01R13/0218 ,  H04L1/205 ,  H04L1/24

    摘要： An eye violation and excess jitter trigger for a digital signal uses a mask within a unit interval of the digital signal, such as a rectangular mask having corners defined by a high threshold, a low threshold, an early clock and a late clock, the early and late clocks being derived from a reference clock. The reference clock may be a recovered clock derived from the digital signal or from high and low threshold comparator outputs, or may be an external clock. For the excess jitter trigger, which is a special case of the eye violation trigger, the high and low thresholds are essentially equal. A status of the digital signal with respect to the mask is determined using the high and low thresholds and the early and late clocks, and a violation signal is output when the status indicates that a portion of the digital signal crossed into the mask. The violation signal may then be used to trigger data acquisition or for other purposes.

    摘要翻译： 数字信号的眼睛违规和过度抖动触发在数字信号的单位间隔内使用掩模，例如具有由高阈值，低阈值，早期钟和晚时钟定义的角的矩形掩模，早期 而后期的时钟源自参考时钟。 参考时钟可以是从数字信号或从高和低阈值比较器输出导出的恢复时钟，或者可以是外部时钟。 对于过度抖动触发，这是眼睛违规触发的特殊情况，高低阈值基本相等。 使用高低阈值和早期和晚期时钟确定数字信号相对于掩模的状态，并且当状态指示数字信号的一部分越过掩模时，输出违例信号。 然后可以使用违规信号来触发数据采集或用于其他目的。

    Data transmission
    10.
    发明公开
    Data transmission 审中-公开
    数据传输

    公开(公告)号：EP2053813A2

    公开(公告)日：2009-04-29

    申请号：EP08253250.8

    申请日：2008-10-07

    申请人： Tektronix Inc.

    发明人： Hazzard, Shane A. ,  Tran, Que Thuy ,  Klingman, Kayla R. ,  Kelly, David L. ,  Smith, Patrick A. ,  Knierim, Daniel G.

    IPC分类号： H04L25/45

    CPC分类号： H03M9/00 ,  H04J3/076 ,  H04L25/14 ,  H04L25/4908

    摘要： Serial data is input to a transmitter, where it is demultiplexed into a plurality of multi-bit lanes, e.g. n bits for each of N lanes. The N lanes are then encoded into characters, the encoded N lanes having m bits per lane where m>n. Bit stuffing is used to adjust the data rate and/or to insert qualifiers. The stuffed, encoded N lanes are then multiplexed into N serial lanes, which are output from the transmitter section for input to a receiver section.
    In the receiver section the N lanes are deserialized, decoded and input to a word recognizer to generate a trigger event signal.

    摘要翻译： 串行数据被输入到发射机，在那里它被解复用成多个多比特通道，例如， 每个N通道有n位。 然后将N个车道编码为字符，编码的N个车道每m个位具有m位，其中m> n。 位填充用于调整数据速率和/或插入限定符。 然后将填充的编码的N个通道多路复用到N个串行通道中，这些通道从发送器部分输出以输入到接收器部分。 在接收器部分，N个通道被解串行，解码并输入到字识别器以生成触发事件信号。