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    • 7. 发明授权
    • Method for minimizing 1/f and other low frequency noise in signal
processing for focal plane array detector system
    • 用于在焦平面阵列检测器系统的信号处理中最小化1 / f和其它低频噪声的方法
    • US5306905A
    • 1994-04-26
    • US936690
    • 1992-08-27
    • Michael R. GuilloryMichael R. KayRobert M. Stokes
    • Michael R. GuilloryMichael R. KayRobert M. Stokes
    • H04N5/33H04N5/357H01J40/14
    • H04N5/3577H04N5/33
    • A focal plane array detector method and system and the detector circuit comprising a plurality of detector circuits, each of the detector circuits comprising a first capacitor having upstream and downstream electrodes, circuitry for periodically applying a predetermined constant voltage source to the downstream electrode and then removing the constant voltage source from the downstream electrode, a photodetector for applying an input signal to the upstream electrode, a signal storage device for storing the input signal on the downstream electrode at the first capacitor and a coupling device for periodically coupling the signal storage device to and uncoupling the signal storage device from the downstream electrode a predetermined time after the constant voltage source has been removed from the upstream electrode and a multiplex circuit coupled to each of the signal storage devices for providing a serial output of the signals stored on the signal storage devices. The system is disposed on a single semiconductor chip.
    • 一种焦平面阵列检测器方法和系统以及包括多个检测器电路的检测器电路,每个检测器电路包括具有上游和下游电极的第一电容器,用于周期性地向下游电极施加预定恒定电压源然后去除 来自下游电极的恒定电压源,用于向上游电极施加输入信号的光电检测器,用于将输入信号存储在第一电容器的下游电极上的信号存储装置和用于周期性地将信号存储装置耦合到 以及在从上游电极移除恒定电压源之后的预定时间内将信号存储装置与下游电极分离,以及耦合到每个信号存储装置的多路复用电路,用于提供存储在信号存储器上的信号的串行输出 设备。 该系统设置在单个半导体芯片上。