Power Supply Device, A Processing Chip for a Digital Microphone and related Digital Microphone
    3.
    发明申请
    Power Supply Device, A Processing Chip for a Digital Microphone and related Digital Microphone 有权
    电源设备,数字麦克风和相关数字麦克风的处理芯片

    公开(公告)号:US20120086419A1

    公开(公告)日:2012-04-12

    申请号:US13249017

    申请日:2011-09-29

    IPC分类号: G05F1/00

    CPC分类号: H04R1/04

    摘要: A power supply device, a processing chip for a digital microphone and related digital microphone are described herein. In one aspect, a power supply device includes: at least two cascaded low-dropout linear regulators. In another aspect, a processing chip for digital microphone includes a processing module and a power supply module, wherein the power supply modules includes at least two cascaded low dropout linear regulators. In another aspect, a digital microphone includes a microphone and a processing chip, wherein the processing chip includes a processing module and a power supply module, wherein the power module includes at least two cascaded low-dropout linear regulators. Embodiments described herein provide a power supply device with higher PSRR.

    摘要翻译: 这里描述了电源装置,数字麦克风的处理芯片和相关的数字麦克风。 一方面,电源装置包括:至少两个级联的低压降线性稳压器。 在另一方面,一种用于数字麦克风的处理芯片包括处理模块和电源模块,其中电源模块包括至少两个级联的低压差线性稳压器。 在另一方面,数字麦克风包括麦克风和处理芯片,其中所述处理芯片包括处理模块和电源模块,其中所述功率模块包括至少两个级联的低压差线性稳压器。 本文描述的实施例提供具有更高PSRR的电源装置。

    Processing chip for a digital microphone and related input circuit and a digital microphone
    4.
    发明授权
    Processing chip for a digital microphone and related input circuit and a digital microphone 有权
    用于数字麦克风和相关输入电路和数字麦克风的处理芯片

    公开(公告)号:US09008332B2

    公开(公告)日:2015-04-14

    申请号:US13248975

    申请日:2011-09-29

    IPC分类号: H04R3/00 H04R19/04 H04R3/06

    CPC分类号: H04R3/00 H04R3/06 H04R19/04

    摘要: A processing chip for a digital microphone and related input circuit and a digital microphone are described herein. In one aspect, the input circuit for a processing chip of a digital microphone includes: a PMOS transistor, a resistor, a current source, and a low-pass filter. The described processing chip possesses high anti high-frequency interference capabilities and the described input circuit possesses high high-frequency power supply rejection ratio.

    摘要翻译: 本文描述了用于数字麦克风和相关输入电路和数字麦克风的处理芯片。 一方面,数字麦克风的处理芯片的输入电路包括:PMOS晶体管,电阻器,电流源和低通滤波器。 所描述的处理芯片具有高抗高频干扰能力,并且所描述的输入电路具有高的高频电源抑制比。

    Power supply device, a processing chip for a digital microphone and related digital microphone
    5.
    发明授权
    Power supply device, a processing chip for a digital microphone and related digital microphone 有权
    电源设备,数字麦克风处理芯片及相关数字麦克风

    公开(公告)号:US08810220B2

    公开(公告)日:2014-08-19

    申请号:US13249017

    申请日:2011-09-29

    IPC分类号: G05F1/40 H04R1/04

    CPC分类号: H04R1/04

    摘要: A power supply device, a processing chip for a digital microphone and related digital microphone are described herein. In one aspect, a power supply device includes: at least two cascaded low-dropout linear regulators. In another aspect, a processing chip for digital microphone includes a processing module and a power supply module, wherein the power supply modules includes at least two cascaded low dropout linear regulators. In another aspect, a digital microphone includes a microphone and a processing chip, wherein the processing chip includes a processing module and a power supply module, wherein the power module includes at least two cascaded low-dropout linear regulators. Embodiments described herein provide a power supply device with higher PSRR.

    摘要翻译: 这里描述了电源装置,数字麦克风的处理芯片和相关的数字麦克风。 一方面,电源装置包括:至少两个级联的低压差线性稳压器。 在另一方面,一种用于数字麦克风的处理芯片包括处理模块和电源模块,其中电源模块包括至少两个级联的低压差线性稳压器。 在另一方面,数字麦克风包括麦克风和处理芯片,其中所述处理芯片包括处理模块和电源模块,其中所述功率模块包括至少两个级联的低压差线性稳压器。 本文描述的实施例提供具有更高PSRR的电源装置。

    Processing Chip for a Digital Microphone and related Input Circuit and a Digital Microphone
    6.
    发明申请
    Processing Chip for a Digital Microphone and related Input Circuit and a Digital Microphone 有权
    数字麦克风和相关输入电路的处理芯片和数字麦克风

    公开(公告)号:US20120250898A1

    公开(公告)日:2012-10-04

    申请号:US13248975

    申请日:2011-09-29

    IPC分类号: H04R3/00

    CPC分类号: H04R3/00 H04R3/06 H04R19/04

    摘要: A processing chip for a digital microphone and related input circuit and a digital microphone are described herein. In one aspect, the input circuit for a processing chip of a digital microphone includes: a PMOS transistor, a resistor, a current source, and a low-pass filter. The described processing chip possesses high anti high-frequency interference capabilities and the described input circuit possesses high high-frequency power supply rejection ratio.

    摘要翻译: 本文描述了用于数字麦克风和相关输入电路和数字麦克风的处理芯片。 一方面,数字麦克风的处理芯片的输入电路包括:PMOS晶体管,电阻器,电流源和低通滤波器。 所描述的处理芯片具有高抗高频干扰能力,并且所描述的输入电路具有高的高频电源抑制比。

    Gain Control Device for an Amplifier and Related Methods, and an Audio Processing Device
    7.
    发明申请
    Gain Control Device for an Amplifier and Related Methods, and an Audio Processing Device 审中-公开
    用于放大器的增益控制装置及相关方法以及音频处理装置

    公开(公告)号:US20120263320A1

    公开(公告)日:2012-10-18

    申请号:US13444667

    申请日:2012-04-11

    IPC分类号: H03G3/20

    摘要: A gain control device for an amplifier and related methods, and an audio processing device are described herein. In one aspect, a gain control device for an amplifier includes: a receiver module configured to receive a control signal; a gain control module configured to control the gain of said amplifier based on said control signal. In another aspect, an audio processing device includes: a microphone; an audio player; and an amplifier, wherein said amplifier includes a gain control device configured to receive a control signal and to control the gain of said amplifier based on the received control signal. In another aspect, a method for controlling the gain of an amplifier includes: receiving a control signal; controlling the gain of said amplifier based on said control signal. The described methods and device reduce the application cost and size.

    摘要翻译: 本文描述了用于放大器和相关方法的增益控制装置以及音频处理装置。 一方面,一种用于放大器的增益控制装置包括:接收器模块,被配置为接收控制信号; 增益控制模块,被配置为基于所述控制信号来控制所述放大器的增益。 在另一方面,音频处理设备包括:麦克风; 一个音频播放器 和放大器,其中所述放大器包括被配置为接收控制信号并且基于所接收的控制信号来控制所述放大器的增益的增益控制装置。 另一方面,一种用于控制放大器增益的方法包括:接收控制信号; 基于所述控制信号控制所述放大器的增益。 所描述的方法和设备降低了应用的成本和尺寸。