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    • 75. 发明申请
    • SOLID-STATE IMAGE PICKUP APPARATUS AND DRIVING METHOD THEREFOR
    • 固态图像拾取装置及其驱动方法
    • US20110204977A1
    • 2011-08-25
    • US13032868
    • 2011-02-23
    • Satoshi KatoYukihiro Kuroda
    • Satoshi KatoYukihiro Kuroda
    • H03F3/45H03F3/04
    • H04N5/378H04N5/3745
    • An apparatus according to an embodiment of the present invention includes a conversion unit configured to generate electric charge, a first amplification unit configured to amplify a signal corresponding to an amount of the electric charge and output a first amplified signal, a second amplification unit configured to amplify the first amplified signal and output a second amplified signal, a current source shared by the first amplification unit and the second amplification unit, and a selection unit configured to bring the first amplification unit and the second amplification unit into an inactive state. The current source is shared by the first amplification unit and the second amplification unit. The number of current sources is therefore reduced. This leads to the reduction in power consumption.
    • 根据本发明的实施例的装置包括被配置为产生电荷的转换单元,被配置为放大对应于电荷量的信号并输出​​第一放大信号的第一放大单元,第二放大单元,被配置为 放大第一放大信号并输出​​第二放大信号,由第一放大单元和第二放大单元共享的电流源,以及选择单元,用于使第一放大单元和第二放大单元处于非活动状态。 电流源由第一放大单元和第二放大单元共享。 因此,电流源的数量减少。 这导致功耗的降低。