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    Signal amplitude comparator
    51.
    发明授权
    Signal amplitude comparator 有权
    信号幅度比较器

    公开(公告)号：US06664816B1

    公开(公告)日：2003-12-16

    申请号：US10207943

    申请日：2002-07-30

    申请人： Tri Nguyen ,  Kenneth G. Richardson

    发明人： Tri Nguyen ,  Kenneth G. Richardson

    IPC分类号： H03K5153

    CPC分类号： H03K5/153

    摘要： A signal amplitude comparator which includes a first input that receives an input signal and generates an output signal that is a non-linear function of the input signal, and a second input circuit that receives a reference input signal and generates a second output signal that generally tracks process, temperature and supply variation. The signal amplitude comparator also includes an amplifier, a filter and a comparator. The amplifier amplifies a signal difference between the first and second output signals and outputs a train of pulses if a peak of the input signal exceeds the reference input signal. A second reference signal is applied to the comparator which generates an output which indicates whether the input signal exceeds a pre-determined threshold value. The signal amplitude comparator also includes a pair of input amplifiers which receive and translate the input and reference input signals to levels suitable for the input circuits.

    摘要翻译： 一种信号幅度比较器，包括接收输入信号并产生作为输入信号的非线性函数的输出信号的第一输入端，以及接收参考输入信号并产生通常的第二输出信号的第二输入电路的信号幅度比较器 跟踪过程，温度和供应变化。 信号幅度比较器还包括放大器，滤波器和比较器。 放大器放大第一和第二输出信号之间的信号差，如果输入信号的峰值超过参考输入信号，则输出一串脉冲。 第二参考信号被施加到比较器，该比较器产生指示输入信号是否超过预定阈值的输出。 信号幅度比较器还包括一对输入放大器，其接收和平移输入和参考输入信号到适合于输入电路的电平。