Capacitance multiplier
    7.
    发明授权
    Capacitance multiplier 有权
    电容倍增器

    公开(公告)号:US07436240B2

    公开(公告)日:2008-10-14

    申请号:US11506034

    申请日:2006-08-17

    IPC分类号: G05F1/10

    CPC分类号: H03H11/483

    摘要: A capacitance multiplier includes a self-biasing active load for generating a stable bias voltage without a separate current bias. In addition, the capacitance multiplier includes a cascode load within a multiplying section for increasing the output resistance and in turn the charging/discharging efficiency. Furthermore, the capacitance multiplier is implemented with a plurality of multiplying paths to reduce effects of noise for more stable generation of the multiplied capacitance.

    摘要翻译: 电容倍增器包括用于在没有单独的电流偏置的情况下产生稳定的偏置电压的自偏置有源负载。 此外,电容倍增器包括用于增加输出电阻以及再次充电/放电效率的乘法部分内的共源共栅负载。 此外,电容乘法器用多个乘法路径实现,以减少噪声的影响,以便更多地稳定地产生倍增的电容。

    Capacitance multiplier
    8.
    发明申请
    Capacitance multiplier 有权
    电容倍增器

    公开(公告)号:US20050099221A1

    公开(公告)日:2005-05-12

    申请号:US10941357

    申请日:2004-09-15

    IPC分类号: H03H11/48 G06G7/16

    CPC分类号: H03H11/483

    摘要: A capacitance multiplier includes a self-biasing active load for generating a stable bias voltage without a separate current bias. In addition, the capacitance multiplier includes a cascode load within a multiplying section for increasing the output resistance and in turn the charging/discharging efficiency. Furthermore, the capacitance multiplier is implemented with a plurality of multiplying paths to reduce effects of noise for more stable generation of the multiplied capacitance.

    摘要翻译: 电容倍增器包括用于在没有单独的电流偏置的情况下产生稳定的偏置电压的自偏置有源负载。 此外,电容倍增器包括用于增加输出电阻以及再次充电/放电效率的乘法部分内的共源共栅负载。 此外,电容乘法器用多个乘法路径实现,以减少噪声的影响,以便更多地稳定地产生倍增的电容。

    Elimination of DC offset in analog baseband circuit with minimized transients
    9.
    发明申请
    Elimination of DC offset in analog baseband circuit with minimized transients 失效
    以最小的瞬变消除模拟基带电路中的直流偏移

    公开(公告)号:US20070259638A1

    公开(公告)日:2007-11-08

    申请号:US11788411

    申请日:2007-04-20

    IPC分类号: H04B1/06 H04B1/18 H04B7/00

    CPC分类号: H03G3/3052 H03G1/04

    摘要: An analog baseband circuit includes first and second DC (direct current) offset cancellers and an offset canceller controller. The first DC offset canceller includes a first filter and a first PGA (programmable gain amplifier) with a first gain step for eliminating a first dc component from an input baseband signal. The second DC offset canceller includes a second filter and a second PGA with a second gain step less than the first gain step for eliminating a second dc component from an output of the first DC offset canceller. The offset canceller controller controls the first and second filters to operate in a fast mode when a gain of the first PGA is changed.

    摘要翻译: 模拟基带电路包括第一和第二DC(直流)偏移消除器和偏移消除器控制器。 第一DC偏移消除器包括第一滤波器和第一PGA(可编程增益放大器),其具有用于从输入基带信号消除第一直流分量的第一增益步骤。 第二DC偏移消除器包括第二滤波器和具有小于第一增益步长的第二增益步长的第二PGA,用于从第一DC偏移消除器的输出消除第二直流分量。 当第一PGA的增益改变时,偏移消除器控制器控制第一和第二滤波器以快速模式操作。

    Disk discrimination method and apparatus of optical disk system
    10.
    发明申请
    Disk discrimination method and apparatus of optical disk system 审中-公开
    光盘系统的光盘鉴别方法及装置

    公开(公告)号:US20070086297A1

    公开(公告)日:2007-04-19

    申请号:US11580122

    申请日:2006-10-13

    IPC分类号: G11B7/00

    CPC分类号: G11B19/125 G11B2007/0006

    摘要: A disk discrimination method and apparatus of an optical disk system may be provided. The disk discrimination method of an optical disk system may include measuring a frequency of a tracking error signal during tracking control of a disk to be discriminated; and discriminating a type of the disk according to the frequency of the tracking error signal.

    摘要翻译: 可以提供光盘系统的盘鉴别方法和装置。 光盘系统的光盘辨别方法可以包括测量待鉴别盘的跟踪控制期间的跟踪误差信号的频率; 以及根据跟踪误差信号的频率来识别盘的类型。