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    • 3. 发明授权
    • Method and circuit for dynamic calibration of flash analog to digital converters
    • 闪光模数转换器的动态校准方法和电路
    • US06603416B2
    • 2003-08-05
    • US09968218
    • 2001-10-01
    • Charles J. MasenasChad E. MitchellSteven J. TangheSharon L. Von Bruns
    • Charles J. MasenasChad E. MitchellSteven J. TangheSharon L. Von Bruns
    • H03M112
    • H03M1/1033H03M1/36
    • A method and structure for calibrating an analog to digital converter comprises an input signal; a driver receiving the input signal, wherein the driver outputs a driver output signal; a flash circuit receiving the driver output signal, wherein the flash circuit outputs a comparison result equaling 2n−1 digital outputs; an encoding logic unit encoding the comparison result into n digital bits as an output signal; a calibration engine outputting a calibration input adjust signal, a reference adjust signal, a driver gain adjust signal, a driver offset adjust signal; and a calibration input circuit receiving the calibration input adjust signal, wherein the driver receives the driver gain adjust signal and the driver offset adjust signal, wherein the flash circuit receives the reference adjust signal, wherein the calibration engine receives n digital bits, and controls an operation of the driver or flash circuit based on the output signal.
    • 用于校准模数转换器的方法和结构包括输入信号; 接收所述输入信号的驱动器,其中所述驱动器输出驱动器输出信号; 接收驱动器输出信号的闪光电路,其中闪光电路输出等于2n-1个数字输出的比较结果; 编码逻辑单元,将比较结果编码为n个数字位作为输出信号; 输出校准输入调整信号的校准引擎,基准调整信号,驾驶员增益调整信号,驾驶员偏移调整信号; 以及校准输入电路,其接收所述校准输入调整信号,其中所述驾驶员接收所述驾驶员增益调整信号和所述驾驶员偏移调整信号,其中所述闪光电路接收所述参考调整信号,其中所述校准引擎接收n个数字位, 基于输出信号对驱动器或闪存电路进行操作。