ERROR AMPLIFIER HAVING CASCODE CURRENT SOURCE USING BODY BIASING
    2.
    发明申请
    ERROR AMPLIFIER HAVING CASCODE CURRENT SOURCE USING BODY BIASING 有权
    具有使用身体偏转的CASCODE电流源的错误放大器

    公开(公告)号:US20140152386A1

    公开(公告)日:2014-06-05

    申请号:US13841512

    申请日:2013-03-15

    CPC classification number: H03F3/45192 H03F2203/45244 H03F2203/45508

    Abstract: Provided is an error amplifier. The error amplifier includes: an amplifying unit receiving first and second input signals and amplifying a voltage difference between the received first and second input signals; a first voltage generating unit generating first and second driving voltages for driving the amplifying unit; a second voltage generating unit generating first and second body voltages to implement a body biasing method; a cascode current source including first to fourth PMOS transistors to provide a bias current to the amplifying unit and the first voltage generating unit; and an output unit outputting a signal of the voltage difference amplified by the amplifying unit, wherein the first and third PMOS transistors receive the first body voltage through a body terminal and the second and fourth PMOS transistors receive the second body voltage through a body terminal.

    Abstract translation: 提供了一个误差放大器。 误差放大器包括:放大单元,接收第一和第二输入信号并放大所接收的第一和第二输入信号之间的电压差; 产生用于驱动放大单元的第一和第二驱动电压的第一电压产生单元; 产生第一和第二体电压以实现身体偏置方法的第二电压产生单元; 共源共栅电流源,包括第一至第四PMOS晶体管,以向放大单元和第一电压产生单元提供偏置电流; 以及输出单元,输出由放大单元放大的电压差的信号,其中第一和第三PMOS晶体管通过主体端子接收第一体电压,并且第二和第四PMOS晶体管通过主体端子接收第二体电压。

    ESD protection diode and electronic device including the same

    公开(公告)号:US10475782B2

    公开(公告)日:2019-11-12

    申请号:US15713121

    申请日:2017-09-22

    Abstract: Provided are an ESD protection diode and an electronic device including the same. An ESD protection diode and an electronic device including the same according to an embodiment of the inventive concept include first to fifth wells. The first well is connected to a first voltage terminal. The second well is connected to a second voltage terminal. The third well is connected to the input/output terminal. The fourth well is disposed between the first well and the third well, and the fifth well is disposed between the second well and the third well. The first to third wells are N-type wells, and the fourth and fifth wells are P-type wells. The first well includes a first N+ diffusion region and the second well includes a second N+ diffusion region. The fourth well includes a first P+ diffusion region and the fifth well includes a second P+ diffusion region. According to an embodiment of the inventive concept, an internal circuit is protected fro an ESD pulse applied to a plurality of terminals and holding voltage is increased.

    MEMS microphone using noise filter
    4.
    发明授权
    MEMS microphone using noise filter 有权
    MEMS麦克风使用噪声滤波器

    公开(公告)号:US08983090B2

    公开(公告)日:2015-03-17

    申请号:US13762300

    申请日:2013-02-07

    CPC classification number: H04R3/00 H04R19/005 H04R2201/003 H04R2410/03

    Abstract: An MEMS microphone is provided which includes a reference voltage/current generator configured to generate a DC reference voltage and a reference current; a first noise filter configured to remove a noise of the DC reference voltage; a voltage booster configured to generate a sensor bias voltage using the DC reference voltage the noise of which is removed; a microphone sensor configured to receive the sensor bias voltage and to generate an output value based on a variation in a sound pressure; a bias circuit configured to receive the reference current to generate a bias voltage; and a signal amplification unit configured to receive the bias voltage and the output value of the microphone sensor to amplify the output value. The first noise filter comprises an impedance circuit; a capacitor circuit connected to a output node of the impedance circuit; and a switch connected to both ends of the impedance circuit.

    Abstract translation: 提供了一种MEMS麦克风,其包括被配置为产生DC参考电压和参考电流的参考电压/电流发生器; 第一噪声滤波器,被配置为去除所述DC参考电压的噪声; 升压器,被配置为使用其噪声被去除的直流参考电压来产生传感器偏置电压; 麦克风传感器,被配置为接收所述传感器偏置电压并且基于声压的变化产生输出值; 偏置电路,被配置为接收所述参考电流以产生偏置电压; 以及信号放大单元,被配置为接收麦克风传感器的偏置电压和输出值以放大输出值。 第一噪声滤波器包括阻抗电路; 连接到所述阻抗电路的输出节点的电容器电路; 以及连接到阻抗电路的两端的开关。

    Error amplifier having cascode current source using body biasing
    5.
    发明授权
    Error amplifier having cascode current source using body biasing 有权
    具有使用主体偏置的共源共栅电流源的误差放大器

    公开(公告)号:US08896379B2

    公开(公告)日:2014-11-25

    申请号:US13841512

    申请日:2013-03-15

    CPC classification number: H03F3/45192 H03F2203/45244 H03F2203/45508

    Abstract: Provided is an error amplifier. The error amplifier includes: an amplifying unit receiving first and second input signals and amplifying a voltage difference between the received first and second input signals; a first voltage generating unit generating first and second driving voltages for driving the amplifying unit; a second voltage generating unit generating first and second body voltages to implement a body biasing method; a cascode current source including first to fourth PMOS transistors to provide a bias current to the amplifying unit and the first voltage generating unit; and an output unit outputting a signal of the voltage difference amplified by the amplifying unit, wherein the first and third PMOS transistors receive the first body voltage through a body terminal and the second and fourth PMOS transistors receive the second body voltage through a body terminal.

    Abstract translation: 提供了一个误差放大器。 误差放大器包括:放大单元,接收第一和第二输入信号并放大所接收的第一和第二输入信号之间的电压差; 产生用于驱动放大单元的第一和第二驱动电压的第一电压产生单元; 产生第一和第二体电压以实现身体偏置方法的第二电压产生单元; 共源共栅电流源,包括第一至第四PMOS晶体管,以向放大单元和第一电压产生单元提供偏置电流; 以及输出单元,输出由放大单元放大的电压差的信号,其中第一和第三PMOS晶体管通过主体端子接收第一体电压,并且第二和第四PMOS晶体管通过主体端子接收第二体电压。

    Acoustic sensor and method of manufacturing the same
    6.
    发明授权
    Acoustic sensor and method of manufacturing the same 有权
    声传感器及其制造方法

    公开(公告)号:US08722446B2

    公开(公告)日:2014-05-13

    申请号:US13796018

    申请日:2013-03-12

    CPC classification number: H04R31/00 H04R19/005 H04R19/02

    Abstract: Provided is an acoustic sensor. The acoustic sensor includes: a substrate including sidewall portions and a bottom portion extending from a bottom of the sidewall portions; a lower electrode fixed at the substrate and including a concave portion and a convex portion, the concave portion including a first hole on a middle region of the bottom, the convex portion including a second hole on an edge region of the bottom; diaphragms facing the concave portion of the lower electrode, with a vibration space therebetween; diaphragm supporters provided on the lower electrode at a side of the diaphragm and having a top surface having the same height as the diaphragm; and an acoustic chamber provided in a space between the bottom portion and the sidewall portions below the lower electrode.

    Abstract translation: 提供了一种声学传感器。 声学传感器包括:基底,其包括侧壁部分和从侧壁部分的底部延伸的底部部分; 固定在所述基板上的下部电极,具有凹部和凸部,所述凹部包括在所述底部的中间区域的第一孔,所述凸部包括在所述底部的边缘区域上的第二孔; 隔膜面向下电极的凹部,其间具有振动空间; 隔膜支撑体设置在隔膜侧面的下电极上,具有与隔膜相同高度的顶表面; 以及设置在下部电极下方的底部和侧壁部之间的空间中的声学室。

Patent Agency Ranking