Method and Apparatus for Circuit with Low IC Power Dissipation and High Dynamic Range
    1.
    发明申请
    Method and Apparatus for Circuit with Low IC Power Dissipation and High Dynamic Range 有权
    具有低IC功耗和高动态范围的电路的方法和装置

    公开(公告)号:US20130188808A1

    公开(公告)日:2013-07-25

    申请号:US13443525

    申请日:2012-04-10

    CPC classification number: H03G3/3005 H03G3/3089

    Abstract: An apparatus comprises a selected volume detector that detects a selected output volume; an analog output signal amplifier; a digital volume amplifier; a boost gain control element coupled to the selected volume detector; the analog output signal amplifier; and the digital volume amplifier; wherein the boost gain control element is configured to: keep a gain of a path of the digital volume amplifier and the analog output signal amplifier substantially constant, wherein the boost gain control element can adjust both: a) a gain of the digital volume control; and b) a gain of the analog output signal amplifier; to keep the gain of the path of the digital volume amplifier and the analog output signal substantially constant and equal to the selected output volume.

    Abstract translation: 一种装置包括:检测选定输出音量的选定音量检测器; 模拟输出信号放大器; 数字音量放大器; 耦合到所选择的体积检测器的升压增益控制元件; 模拟输出信号放大器; 和数字音量放大器; 其中所述升压增益控制元件被配置为:保持所述数字音量放大器和所述模拟输出信号放大器的路径的增益基本恒定,其中所述升压增益控制元件可以同时调整:a)所述数字音量控制的增益; 和b)模拟输出信号放大器的增益; 以保持数字音量放大器和模拟输出信号的路径的增益基本上恒定并等于所选择的输出音量。

    Method and apparatus for circuit with low IC power dissipation and high dynamic range
    2.
    发明授权
    Method and apparatus for circuit with low IC power dissipation and high dynamic range 有权
    具有低IC功耗和高动态范围的电路方法和装置

    公开(公告)号:US09065413B2

    公开(公告)日:2015-06-23

    申请号:US13443525

    申请日:2012-04-10

    CPC classification number: H03G3/3005 H03G3/3089

    Abstract: An apparatus comprises a selected volume detector that detects a selected output volume; an analog output signal amplifier; a digital volume amplifier; a boost gain control element coupled to the selected volume detector; the analog output signal amplifier; and the digital volume amplifier; wherein the boost gain control element is configured to: keep a gain of a path of the digital volume amplifier and the analog output signal amplifier substantially constant, wherein the boost gain control element can adjust both: a) a gain of the digital volume control; and b) a gain of the analog output signal amplifier; to keep the gain of the path of the digital volume amplifier and the analog output signal substantially constant and equal to the selected output volume.

    Abstract translation: 一种装置包括:检测选定输出音量的选定音量检测器; 模拟输出信号放大器; 数字音量放大器; 耦合到所选择的体积检测器的升压增益控制元件; 模拟输出信号放大器; 和数字音量放大器; 其中所述升压增益控制元件被配置为:保持所述数字音量放大器和所述模拟输出信号放大器的路径的增益基本恒定,其中所述升压增益控制元件可以同时调整:a)所述数字音量控制的增益; 和b)模拟输出信号放大器的增益; 以保持数字音量放大器和模拟输出信号的路径的增益基本上恒定并等于所选择的输出音量。

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