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    • 58. 发明授权
    • Folding analog-to-digital converter
    • 折叠模数转换器
    • US08232904B2
    • 2012-07-31
    • US12784781
    • 2010-05-21
    • Jung-Ho LeeJung-Eun LeeHeung-Bae Lee
    • Jung-Ho LeeJung-Eun LeeHeung-Bae Lee
    • H03M1/12
    • G11C27/024G11C27/026H03M1/141
    • A folding analog-to-digital converter including: a reference voltage generator, a track-and-hold circuit and a first pre-amplification circuit. The reference voltage generator generates a plurality of reference voltages. The track-and-hold circuit generates a sampling control signal having a voltage level lower than or equal to a level of a power supply voltage by maintaining an initial level of a boost capacitor voltage at a level lower than a level of a power supply voltage, and samples and holds an input voltage signal in response to the generated sampling control signal to generate a sampled signal. The first pre-amplification circuit amplifies each of voltage differences between the sampled signal and each of the plurality of reference voltages.
    • 一种折叠模数转换器,包括:参考电压发生器,跟踪保持电路和第一预放大电路。 参考电压发生器产生多个参考电压。 跟踪保持电路通过将升压电容器电压的初始电平维持在低于电源电压的电平的电平来产生具有低于或等于电源电压电平的电压电平的采样控制信号 并且响应于所生成的采样控制信号采样和保持输入电压信号以产生采样信号。 第一预放大电路放大采样信号和多个参考电压中的每一个之间的每个电压差。