Calibration apparatus, calibration method, testing apparatus, and testing method
    11.
    发明授权
    Calibration apparatus, calibration method, testing apparatus, and testing method 失效
    校准装置,校准方法,试验装置和试验方法

    公开(公告)号:US07554332B2

    公开(公告)日:2009-06-30

    申请号:US11371849

    申请日:2006-03-10

    IPC分类号: G01R31/00

    摘要: There is provided a calibration apparatus for calibrating an electronic device that outputs a demodulation signal in which a modulated component of a signal to be tested or evaluated is demodulated, having a DC component detecting section for detecting a DC component of the demodulation signal, a gain calculating section for calculating a gain in the electronic device based on the DC component of the demodulation signal and a calibrating section for calibrating the electronic device based on the gain in the electronic device.

    摘要翻译: 提供了一种用于校准电子装置的校准装置,该电子装置输出其中被测试或评估的信号的调制分量被解调的解调信号,具有用于检测解调信号的DC分量的DC分量检测部分, 计算部分,用于基于解调信号的DC分量计算电子设备中的增益;以及校准部分,用于基于电子设备中的增益校准电子设备。

    Testing apparatus, testing method, jitter filtering circuit, and jitter filtering method
    12.
    发明申请
    Testing apparatus, testing method, jitter filtering circuit, and jitter filtering method 有权
    测试仪器,测试方法,抖动滤波电路和抖动滤波方法

    公开(公告)号:US20070247181A1

    公开(公告)日:2007-10-25

    申请号:US11407136

    申请日:2006-04-20

    IPC分类号: G01R31/26

    CPC分类号: G01R31/31908 G01R31/31725

    摘要: There is provided a testing apparatus for evaluating a device-under-test, having an extracting section for extracting jitter components out of an output signal outputted out of the device-under-test, a filter for passing predetermined frequency components in the jitter components, a phase control section for controlling phase of the output signal based on the jitter components outputted out of the filter and an evaluating section for evaluating the device-under-test based on a signal outputted out of the phase control section.

    摘要翻译: 提供了一种用于评估被测器件的测试装置,具有提取部分,用于从经测试的器件输出的输出信号中提取抖动分量,用于使抖动分量中的预定频率分量通过的滤波器, 相位控制部分,用于基于从滤波器输出的抖动分量来控制输出信号的相位;以及评估部分,用于基于从相位控制部分输出的信号来评估被测器件。

    Jitter measuring apparatus, jitter measuring method and test apparatus background of the invention
    15.
    发明申请
    Jitter measuring apparatus, jitter measuring method and test apparatus background of the invention 有权
    本发明的抖动测量装置,抖动测量方法和测试装置背景

    公开(公告)号:US20070118314A1

    公开(公告)日:2007-05-24

    申请号:US11266471

    申请日:2005-11-04

    IPC分类号: G01R13/00

    CPC分类号: G01R29/26 G01R31/31709

    摘要: There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement, having a pulse generator for outputting a pulse signal having a pulse width set in advance corresponding to edges-under-measurement from which the timing jitter is to be measured in the signal-under-measurement, a filter for removing a carrier frequency components of the signal-under-measurement from the pulse signal and a jitter calculator for calculating the jitter in the signal-under-measurement based on the signal outputted out of the filter

    摘要翻译: 提供了一种用于测量测量信号中的抖动的抖动测量装置,其具有用于输出脉冲信号的脉冲发生器,该脉冲信号具有预先设置的脉冲宽度,该脉冲信号对应于要测量定时抖动的测量下边缘 在信号未测量中,用于从脉冲信号中去除测量信号的载波频率分量的滤波器和用于根据输出的信号中的信号计算在测量信号中的抖动的抖动计算器 过滤

    Jitter measuring apparatus, jitter measuring method and test apparatus
    16.
    发明申请
    Jitter measuring apparatus, jitter measuring method and test apparatus 失效
    抖动测量装置,抖动测量方法和测试装置

    公开(公告)号:US20070104260A1

    公开(公告)日:2007-05-10

    申请号:US11266472

    申请日:2005-11-04

    IPC分类号: H04B17/00

    CPC分类号: G01R31/31709

    摘要: There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement having a first pulse generator for detecting edges of the data-signal-under-measurement to output a first pulse signal having a pulse width set in advance corresponding to the edge, a second pulse generator for detecting boundaries of data sections where data values do not change in the data-signal-under-measurement to output a second pulse signal having a pulse width set in advance corresponding to timing of the detected boundaries of the data sections, a filter for removing carrier frequency components of said data-signal-under-measurement from first and second pulse signals and a jitter calculating section for calculating timing jitter in the data-signal-under-measurement based on the first and second pulse signals.

    摘要翻译: 提供了一种抖动测量装置,用于测量具有第一脉冲发生器的测量信号中的抖动,用于检测数据信号下测量的边沿,以输出具有预先对应于脉冲宽度设置的脉冲宽度的第一脉冲信号 边缘,第二脉冲发生器,用于检测在数据信号下测量中数据值不改变的数据段的边界,以输出具有预先设置的脉冲宽度的第二脉冲信号,该脉冲宽度对应于检测到的数据边界的定时 部分,用于从第一和第二脉冲信号中去除所述数据信号不足测量的载波频率分量的滤波器和用于基于第一和第二脉冲信号计算测量数据信号中的定时抖动的抖动计算部分 。

    Digital modulator, digital modulating method, digital transceiver system, and testing apparatus
    17.
    发明授权
    Digital modulator, digital modulating method, digital transceiver system, and testing apparatus 有权
    数字调制器,数字调制方式,数字收发系统和测试仪器

    公开(公告)号:US08014465B2

    公开(公告)日:2011-09-06

    申请号:US12136048

    申请日:2008-06-10

    IPC分类号: H04L27/00

    摘要: Provided is a digital modulator, including a carrier wave output section that outputs a carrier wave, a variable delay section that delays the carrier wave, and a delay amount setting section that sets a delay amount by which the variable delay section delays the carrier wave based on transmission data being transmitted by the carrier wave. The variable delay section may include a multi-stage delay buffer circuit in which delay buffers that delay an input signal by a unit shift amount are connected in a cascade connection, the multi-stage delay buffer circuit may receive the carrier wave at a first-stage delay buffer as input, and the delay amount setting section may include a multiplexer that selects either an output from the carrier wave output section or an output from each stage of the multi-stage delay buffer circuit.

    摘要翻译: 提供了一种数字调制器,包括输出载波的载波输出部分,延迟载波的可变延迟部分和设置可变延迟部分延迟载波的延迟量的延迟量设置部分 在由载波发送的发送数据上。 可变延迟部分可以包括多级延迟缓冲电路,其中延迟缓冲器将输入信号延迟单位偏移量连接在级联中,多级延迟缓冲电路可以以第一级延迟缓冲电路接收载波, 延迟量设定部可以包括选择来自载波输出部的输出或多级延迟缓冲电路的各级的输出的多路复用器。

    Jitter measurement apparatus, jitter calculator, jitter measurement method, program, recording medium, communication system and test apparatus
    18.
    发明授权
    Jitter measurement apparatus, jitter calculator, jitter measurement method, program, recording medium, communication system and test apparatus 失效
    抖动测量装置,抖动计算器,抖动测量方法,程序,记录介质,通信系统和测试装置

    公开(公告)号:US07903776B2

    公开(公告)日:2011-03-08

    申请号:US12414618

    申请日:2009-03-30

    IPC分类号: H04L7/00 H04L25/00 H04L25/40

    CPC分类号: G01R31/31709

    摘要: A jitter measurement apparatus that measures timing jitter of a signal under measurement having a prescribed repeating pattern includes a sampling section that coherently samples the signal under measurement within a prescribed measurement duration; a waveform reconfiguring section that rearranges ordinal ranks of data values sampled by the sampling section to generate a reconfigured waveform that is a reproduction of a waveform of the signal under measurement; an analytic signal generating section that converts the reconfigured waveform into a complex analytic signal; and a jitter measuring section that measures jitter of the signal under measurement based on the analytic signal.

    摘要翻译: 测量具有规定的重复图案的测量信号的定时抖动的抖动测量装置包括在规定的测量持续时间内对被测信号进行相干采样的采样部分; 波形重新配置部分,重新​​排列由采样部分采样的数据值的等级,以产生作为测量信号的波形的再现的重新配置的波形; 分析信号生成部,其将重新配置的波形转换为复数分析信号; 以及基于分析信号测量被测信号的抖动的抖动测量部。

    Jitter measuring apparatus, jitter measuring method and test apparatus
    19.
    发明授权
    Jitter measuring apparatus, jitter measuring method and test apparatus 失效
    抖动测量装置,抖动测量方法和测试装置

    公开(公告)号:US07778319B2

    公开(公告)日:2010-08-17

    申请号:US11266472

    申请日:2005-11-04

    IPC分类号: H04B3/46

    CPC分类号: G01R31/31709

    摘要: There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement having a first pulse generator for detecting edges of the data-signal-under-measurement to output a first pulse signal having a pulse width set in advance corresponding to the edge, a second pulse generator for detecting boundaries of data sections where data values do not change in the data-signal-under-measurement to output a second pulse signal having a pulse width set in advance corresponding to timing of the detected boundaries of the data sections, a filter for removing carrier frequency components of said data-signal-under-measurement from first and second pulse signals and a jitter calculating section for calculating timing jitter in the data-signal-under-measurement based on the first and second pulse signals.

    摘要翻译: 提供了一种抖动测量装置,用于测量具有第一脉冲发生器的测量信号中的抖动,用于检测数据信号下测量的边沿,以输出具有预先对应于脉冲宽度设置的脉冲宽度的第一脉冲信号 边缘,第二脉冲发生器,用于检测在数据信号下测量中数据值不改变的数据段的边界,以输出具有预先设置的脉冲宽度的第二脉冲信号,该脉冲宽度对应于检测到的数据边界的定时 部分,用于从第一和第二脉冲信号中去除所述数据信号不足测量的载波频率分量的滤波器和用于基于第一和第二脉冲信号计算测量数据信号中的定时抖动的抖动计算部分 。

    EVALUATION APPARATUS, EVALUATION METHOD, PROGRAM, RECORDING MEDIUM AND ELECTRONIC DEVICE
    20.
    发明申请
    EVALUATION APPARATUS, EVALUATION METHOD, PROGRAM, RECORDING MEDIUM AND ELECTRONIC DEVICE 失效
    评估装置,评估方法,程序,记录介质和电子设备

    公开(公告)号:US20100185407A1

    公开(公告)日:2010-07-22

    申请号:US12355799

    申请日:2009-01-18

    IPC分类号: G06F17/18 G01R29/26 G06F19/00

    CPC分类号: G01R31/31709

    摘要: Provided is an evaluation apparatus that evaluates a characteristic of a propagation apparatus propagating a signal, comprising an output signal measuring section that measures a probability density function expressing a probability density distribution of jitter of an output signal passed by the propagation apparatus; an isolating section that isolates at least one of a random component of a jitter component and a deterministic component of the jitter component in the jitter of the output signal, from the probability density function of the jitter of the output signal; and an evaluating section that evaluates the characteristic of the propagation apparatus based on the jitter component isolated by the isolating section.

    摘要翻译: 提供一种评价装置,其评价传播信号的传播装置的特性,包括:测量表示传播装置通过的输出信号的抖动的概率密度分布的概率密度函数的概率密度函数的输出信号测量部; 隔离部分,根据输出信号的抖动的概率密度函数,将抖动分量的随机分量和抖动分量的确定分量中的至少一个与输出信号的抖动相隔离; 以及评估部,其基于由所述隔离部隔离的抖动成分来评价所述传播装置的特性。