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    • 9. 发明申请
    • Wide linear range peak detector
    • 宽线性范围峰值检测器
    • US20070030034A1
    • 2007-02-08
    • US11199493
    • 2005-08-08
    • Gary KurtzmanSteven Hoggarth
    • Gary KurtzmanSteven Hoggarth
    • H03K5/153
    • G01R19/04
    • A wide linear range peak detector including first and second peak detectors and a compensation circuit. The first peak detector receives an input signal and has an output providing a first peak signal approximation which approximates a peak level of the input signal. The first peak signal approximation includes a non-linear portion which is a function of the peak level of the input signal. The second peak detector also receives the input signal and has an output providing a second peak signal approximation. The compensation circuit uses the second peak signal approximation to provide a compensation signal which compensates the non-linear portion of the first peak signal approximation. In particular, the second peak signal is used to generate the compensation signal to approximate and cancel the non-linear portion.
    • 宽线性范围峰值检测器,包括第一和第二峰值检测器和补偿电路。 第一峰值检测器接收输入信号并具有提供近似输入信号的峰值电平的第一峰值信号近似的输出。 第一峰值信号近似包括作为输入信号的峰值电平的函数的非线性部分。 第二峰值检测器还接收输入信号并具有提供第二峰值信号近似的输出。 补偿电路使用第二峰值信号近似来提供补偿第一峰值信号近似的非线性部分的补偿信号。 特别地,第二峰值信号用于产生补偿信号以近似和消除非线性部分。