Pulse pattern generating apparatus
    4.
    发明授权
    Pulse pattern generating apparatus 失效
    脉冲图案生成装置

    公开(公告)号:US07522660B2

    公开(公告)日:2009-04-21

    申请号:US10897073

    申请日:2004-07-23

    IPC分类号: H04B3/46

    CPC分类号: G01R31/3171 G01R31/31928

    摘要: An object of this invention is to realize a pulse pattern generating apparatus that outputs a test signal of high waveform quality even when the shape of an eye pattern is changed. This invention is an improvement of a pulse pattern generating apparatus that generates a test signal of a predetermined pattern by using plural digital-analog converters and outputs the test signal to a test subject. The apparatus includes: a parameter setting unit for setting values of plural parameters that determine the shape of an eye pattern of the test signal; a storage unit for storing output values to the digital-analog converters corresponding to the values of the parameters; an arithmetic operation unit for calculating output values to the digital-analog converters from the values of the parameters from the parameter setting unit and the output values in the storage unit; and a voltage value setting unit for setting, for the digital-analog converters, voltage values to be outputted from the digital-analog converters on the basis of the result of calculation by the arithmetic operation unit.

    摘要翻译: 本发明的一个目的是实现即使当眼图的形状改变时也输出高波形质量的测试信号的脉冲图形生成装置。 本发明是通过使用多个数模转换器生成预定模式的测试信号并将测试信号输出给测试对象的脉冲图案生成装置的改进。 该装置包括:参数设置单元,用于设置确定测试信号的眼图的形状的多个参数的值; 存储单元,用于根据参数的值存储对数模转换器的输出值; 算术运算单元,用于根据来自参数设定单元的参数值和存储单元中的输出值计算出数字模拟转换器的输出值; 以及电压值设定单元,用于根据算术运算单元的运算结果,对数模转换器设定从数模转换器输出的电压值。

    Pulse pattern generating apparatus
    8.
    发明申请
    Pulse pattern generating apparatus 失效
    脉冲图案生成装置

    公开(公告)号:US20050058190A1

    公开(公告)日:2005-03-17

    申请号:US10897073

    申请日:2004-07-23

    CPC分类号: G01R31/3171 G01R31/31928

    摘要: An object of this invention is to realize a pulse pattern generating apparatus that outputs a test signal of high waveform quality even when the shape of an eye pattern is changed. This invention is an improvement of a pulse pattern generating apparatus that generates a test signal of a predetermined pattern by using plural digital-analog converters and outputs the test signal to a test subject. The apparatus includes: a parameter setting unit for setting values of plural parameters that determine the shape of an eye pattern of the test signal; a storage unit for storing output values to the digital-analog converters corresponding to the values of the parameters; an arithmetic operation unit for calculating output values to the digital-analog converters from the values of the parameters from the parameter setting unit and the output values in the storage unit; and a voltage value setting unit for setting, for the digital-analog converters, voltage values to be outputted from the digital-analog converters on the basis of the result of calculation by the arithmetic operation unit.

    摘要翻译: 本发明的一个目的是实现即使当眼图的形状改变时也输出高波形质量的测试信号的脉冲图形生成装置。 本发明是通过使用多个数模转换器生成预定模式的测试信号并将测试信号输出给测试对象的脉冲图案生成装置的改进。 该装置包括:参数设置单元,用于设置确定测试信号的眼图的形状的多个参数的值; 存储单元,用于根据参数的值存储对数模转换器的输出值; 算术运算单元,用于根据来自参数设定单元的参数值和存储单元中的输出值计算出数字模拟转换器的输出值; 以及电压值设定单元,用于根据算术运算单元的计算结果,对数模转换器设定从数模转换器输出的电压值。

    Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal
    10.
    发明授权
    Optical waveform shaping device including portions for respectively absorbing and amplifying transmitted optical signal 失效
    光波形整形装置包括用于分别吸收和放大透射光信号的部分

    公开(公告)号:US07620284B2

    公开(公告)日:2009-11-17

    申请号:US11437647

    申请日:2006-05-22

    IPC分类号: G02B6/10

    摘要: An optical waveform shaping device includes a first waveguide portion, formed on a substrate, for transmitting the optical signal and simultaneously absorbing a portion of the optical signal, which has a signal level equal to or smaller than a predetermined value, so as to shape the optical signal; and a second waveguide portion, formed on the substrate, for transmitting the optical signal, which was transmitted through the first waveguide portion, and simultaneously amplifying the optical signal. The first waveguide portion may be formed using a saturable absorber. A first electrode for supplying electric current to the first waveguide portion so that the first waveguide portion is provided with a function of absorbing the optical signal; and a second electrode for supplying electric current to the second waveguide portion so that the second waveguide portion is provided with a function of amplifying the optical signal may also be provided.

    摘要翻译: 光波形整形装置包括形成在基板上的第一波导部分,用于传输光信号并同时吸收具有等于或小于预定值的信号电平的光信号的一部分,以便形成 光信号; 以及第二波导部分,形成在所述基板上,用于透射通过所述第一波导部分的光信号,并同时放大所述光信号。 第一波导部分可以使用可饱和吸收体形成。 第一电极,用于向第一波导部分提供电流,使得第一波导部分具有吸收光信号的功能; 以及第二电极,用于向第二波导部分提供电流,使得第二波导部分具有放大光信号的功能。