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    • 1. 发明申请
    • FULLY DIFFERENTIAL AMPLIFIER WITH CONTINUOUS-TIME OFFSET REDUCTION
    • 全面的差分放大器,连续降低偏差
    • US20080204138A1
    • 2008-08-28
    • US11677909
    • 2007-02-22
    • Tawei YangLarry Farnsley
    • Tawei YangLarry Farnsley
    • H03F3/45
    • H03F3/45183H03F3/45748H03F2203/45082H03F2203/45134H03F2203/45212
    • A fully differential amplifier circuit according to one embodiment includes a first section for generating first and second output signals on first and second outputs from first and second input signals; a first feedback loop coupled to the first section, the first feedback loop including a second section for adjusting the first output signal towards a common mode voltage level, and for reducing an offset voltage of the first output signal; a second feedback loop coupled to the first section, the second feedback loop including a third section for adjusting the second output signal towards the common mode voltage level, and for reducing an offset voltage of the second output signal; and a filter section positioned on the first and second feedback loops between outputs of the second and third sections and the first section.
    • 根据一个实施例的全差分放大器电路包括用于在第一和第二输入信号的第一和第二输出上产生第一和第二输出信号的第一部分; 耦合到所述第一部分的第一反馈环路,所述第一反馈环路包括用于将所述第一输出信号调整到共模电压电平的第二部分,以及用于减小所述第一输出信号的偏移电压; 耦合到所述第一部分的第二反馈回路,所述第二反馈回路包括用于将所述第二输出信号调整到所述共模电压电平的第三部分,以及用于减小所述第二输出信号的偏移电压; 以及位于第二和第三部分和第一部分的输出之间的第一和第二反馈回路上的过滤器部分。
    • 2. 发明授权
    • Fully differential amplifier with continuous-time offset reduction
    • 具有连续时间偏移量的全差分放大器
    • US08076973B2
    • 2011-12-13
    • US11677909
    • 2007-02-22
    • Tawei YangLarry Farnsley
    • Tawei YangLarry Farnsley
    • H03F3/45
    • H03F3/45183H03F3/45748H03F2203/45082H03F2203/45134H03F2203/45212
    • A fully differential amplifier circuit according to one embodiment includes a first section for generating first and second output signals on first and second outputs from first and second input signals; a first feedback loop coupled to the first section, the first feedback loop including a second section for adjusting the first output signal towards a common mode voltage level, and for reducing an offset voltage of the first output signal; a second feedback loop coupled to the first section, the second feedback loop including a third section for adjusting the second output signal towards the common mode voltage level, and for reducing an offset voltage of the second output signal; and a filter section positioned on the first and second feedback loops between outputs of the second and third sections and the first section.
    • 根据一个实施例的全差分放大器电路包括用于在第一和第二输入信号的第一和第二输出上产生第一和第二输出信号的第一部分; 耦合到所述第一部分的第一反馈环路,所述第一反馈环路包括用于将所述第一输出信号调整到共模电压电平的第二部分,以及用于减小所述第一输出信号的偏移电压; 耦合到所述第一部分的第二反馈回路,所述第二反馈回路包括用于将所述第二输出信号调整到所述共模电压电平的第三部分,以及用于减小所述第二输出信号的偏移电压; 以及位于第二和第三部分和第一部分的输出之间的第一和第二反馈回路上的过滤器部分。