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    Band pass filter and sensor device including the same
    1.
    发明授权
    Band pass filter and sensor device including the same 有权

    公开(公告)号：US12019830B2

    公开(公告)日：2024-06-25

    申请号：US17992173

    申请日：2022-11-22

    申请人： SAMSUNG DISPLAY CO., LTD.

    发明人： Moon Jae Jeong

    IPC分类号： G06F3/044 ,  H03H11/12 ,  H03H19/00 ,  H04B1/10

    CPC分类号： G06F3/044 ,  H03H11/126 ,  H03H19/004 ,  H04B1/10

    摘要： A sensor device includes: first sensors; second sensors which form capacitances with the first sensors; a sensor transmitter connected to the first sensors, where the sensor transmitter supplies driving signals to the first sensors; and a sensor receiver connected to the second sensors, where the sensor receiver receives sensing signals from the second sensors, and the sensor receiver includes a band pass filter which filters the sensing signals. The band pass filter includes: a first integrator including a first amplifier; a first high pass filter converter connected to a first input terminal, a second input terminal and a first output terminal of the first amplifier, where the first high pass filter converter time-divisionally provides N high pass filter conversion paths; and a first gain auxiliary component connected to the first input terminal and the first output terminal of the first amplifier while the first integrator performs an integral function.

    Active discharge system for electric or hybrid motor vehicles
    2.
    发明授权
    Active discharge system for electric or hybrid motor vehicles 有权

    公开(公告)号：US11999244B2

    公开(公告)日：2024-06-04

    申请号：US17265407

    申请日：2019-08-01

    申请人： META SYSTEM S.p.A.

    发明人： Giuseppe Simonazzi ,  Cesare Lasagni ,  Severino Bigliardi

    IPC分类号： B60L3/04 ,  B60L3/00 ,  H01L27/02 ,  H03H19/00

    CPC分类号： B60L3/04 ,  B60L3/0046 ,  H01L27/0259 ,  H03H19/004

    摘要： An active discharge system for electric or hybrid motor vehicles including an active discharge circuit operatively connected in parallel to a charge circuit, which is supplied by a high voltage power source and defines an electrically-charged equivalent capacitance of an electric charge, wherein the active discharge circuit is configured to discharge the electric charge accumulated by the equivalent capacitance in the event of the high voltage power source being disconnected from the charge circuit; a control circuit/device/unit/component of the active discharge circuit which are configured to receive an activation signal, suitable to activating the active discharge circuit in case of receiving the activation signal, so as to discharge the equivalent capacitance.

    Input Circuit for a Dynamic Comparator
    4.
    发明申请
    Input Circuit for a Dynamic Comparator 审中-公开

    公开(公告)号：US20180159549A1

    公开(公告)日：2018-06-07

    申请号：US15826668

    申请日：2017-11-29

    申请人： IMEC VZW

    发明人： Ewout Martens ,  Benjamin Hershberg ,  Jan Craninckx

    IPC分类号： H03M1/38 ,  H03K5/24 ,  H03H19/00

    CPC分类号： H03M1/38 ,  H03F3/45179 ,  H03H19/004 ,  H03K5/2481 ,  H03M1/361

    摘要： The present disclosure relates to an input circuit comprising positive and negative branches, each branch comprising a transistor arranged for receiving an input voltage at its gate terminal and a first fixed voltage at its drain terminal via a first switch characterized in that the source terminal of the transistor in each of the positive branch and the negative branch is connectable via a second switch to a first plate of a first capacitor in the positive branch and of a second capacitor in the negative branch, respectively, with a second plate of the first capacitor and of the second capacitor being connected to a second fixed voltage and the input circuit further being arranged for receiving a first reset voltage on the first plate of the first capacitor in the positive branch and a second reset voltage on the first plate of the second capacitor in the negative branch.

    Notch filter for ripple reduction
    7.
    发明授权
    Notch filter for ripple reduction 有权

    公开(公告)号：US09685933B2

    公开(公告)日：2017-06-20

    申请号：US14669863

    申请日：2015-03-26

    申请人： Linear Technology Corporation

    发明人： Jeremy H. Wong ,  Joseph G. Petrofsky

    IPC分类号： H03F1/02 ,  H03H19/00 ,  H03F3/45 ,  H02M1/15 ,  H02M3/07

    CPC分类号： H03H19/004 ,  H02M1/15 ,  H02M3/07 ,  H03F3/45475

    摘要： A notch filter is controlled synchronously with a chopper to filter out chopping ripple. In one embodiment, the notch filter is coupled to the differential output of the chopper and includes a sampling capacitor, a hold capacitor, and a second set of switches between the sampling capacitor and the hold capacitor. The second set of switches is temporarily closed once per chopper switching cycle to transfer charge from the sampling capacitor to the hold capacitor such that the ripple from the chopper is not transferred to the hold capacitor. The voltage across the hold capacitor may be coupled to any other circuit, such as to the differential inputs of an amplifier.

    MOS capacitors with head-to-head fingers and methods of forming the same
    8.
    发明授权
    MOS capacitors with head-to-head fingers and methods of forming the same 有权
    具有头对头手指的MOS电容器及其形成方法

    公开(公告)号：US09590593B2

    公开(公告)日：2017-03-07

    申请号：US15085720

    申请日：2016-03-30

    申请人： TDK Corporation

    发明人： Rien Gahlsdorf ,  Jianwen Bao

    IPC分类号： G05F1/10 ,  H03H19/00 ,  H01L49/02 ,  G05F3/20 ,  G05F3/24

    CPC分类号： H03H19/004 ,  G05F3/205 ,  G05F3/24 ,  H01L28/40 ,  H01L29/66189 ,  H01L29/94 ,  H03H7/0153 ,  H03H7/12 ,  H03H7/40 ,  H03H7/463 ,  H03H2250/00

    摘要： A capacitor structure is described. The capacitor structure includes a substrate, a plurality of source/drain regions, a first plurality gates, and a second plurality of gates. The plurality of source/drain regions is formed in the substrate. The first and second plurality of gates is formed above the substrate. Each gate of the first and second plurality of gates has a gate width. The gate widths are configured to be less than an active area width and each gate of the first and second plurality of gates is formed between a pair of the source/drain regions of the plurality of source/drain regions. And, each gate of the first plurality of gates is configured to be in line with a corresponding gate of the second plurality of gates to form a head-to-head gate configuration.

    摘要翻译： 描述电容器结构。 电容器结构包括衬底，多个源极/漏极区，第一多个栅极和第二多个栅极。 在衬底中形成多个源极/漏极区域。 第一和第二多个栅极形成在衬底上。 第一和第二多个栅极的每个栅极具有栅极宽度。 栅极宽度被配置为小于有效面积宽度，并且第一和第二多个栅极的每个栅极形成在多个源极/漏极区域的一对源极/漏极区域之间。 并且，第一多个栅极的每个栅极被配置为与第二多个栅极的对应栅极对齐以形成头对头栅极配置。

    Discrete time lowpass filter
    9.
    发明授权
    Discrete time lowpass filter 有权
    离散时间低通滤波器

    公开(公告)号：US09577608B2

    公开(公告)日：2017-02-21

    申请号：US12541834

    申请日：2009-08-14

    申请人： Russell John Fagg ,  Joseph Patrick Burke

    发明人： Russell John Fagg ,  Joseph Patrick Burke

    IPC分类号： G06F17/17 ,  H03H19/00 ,  H03H15/00 ,  H03H17/06

    CPC分类号： H03H19/004 ,  H03H15/023 ,  H03H17/0657 ,  H03H17/0664

    摘要： A discrete time (DT) lowpass filter having various advantages is described. In an exemplary design, the DT lowpass filter includes a decimating DT filter (which may include a passive DT FIR filter and/or a passive DT IIR filter) and an active DT filter. The decimating DT filter receives a first DT signal at a first sample rate, filters and decimates the first DT signal by a factor of N, and provides a second DT signal at a second sample rate lower than the first sample rate. N may be greater than one. The active DT filter filters the second DT signal and provides a third DT signal at the second sample rate. A sampler samples a continuous time signal and provides the first DT signal. The sampler may further double the voltage of the first DT signal relative to the voltage of the continuous time signal.

    摘要翻译： 描述了具有各种优点的离散时间（DT）低通滤波器。 在示例性设计中，DT低通滤波器包括抽取DT滤波器（其可以包括无源DT FIR滤波器和/或无源DT IIR滤波器）和有源DT滤波器。 抽取DT滤波器以第一采样速率接收第一DT信号，以N因子对第一DT信号进行滤波和抽取，并以低于第一采样率的第二采样速率提供第二DT信号。 N可能大于1。 有源DT滤波器对第二DT信号进行滤波，并以第二采样率提供第三DT信号。 采样器采样连续时间信号并提供第一个DT信号。 采样器可以相对于连续时间信号的电压进一步使第一DT信号的电压加倍。

    Chopper stabilized amplifier with synchronous switched capacitor noise filtering
    10.
    发明授权
    Chopper stabilized amplifier with synchronous switched capacitor noise filtering 有权
    具有同步开关电容噪声滤波的斩波稳压放大器

    公开(公告)号：US09473074B1

    公开(公告)日：2016-10-18

    申请号：US14852921

    申请日：2015-09-14

    申请人： IXYS Corporation

    发明人： Eric Blom

    IPC分类号： H03F1/02 ,  H03F1/26 ,  H03F3/393

    CPC分类号： H03F3/393 ,  H03F1/26 ,  H03F3/45192 ,  H03F3/45475 ,  H03F2200/171 ,  H03F2200/271 ,  H03F2200/411 ,  H03F2200/555 ,  H03F2203/45514 ,  H03H19/004

    摘要： A chopper stabilized amplifier with synchronous switched capacitor noise filtering is disclosed. In an exemplary embodiment, an apparatus includes a chopper amplifier having an input that receives an input signal and an output that outputs an amplified signal. The chopper amplifier includes an input chopping circuit and an output chopping circuit, where the input and output chopping circuits operate in response to a chop clock. The apparatus also includes a switched capacitor filter having an input that receives the amplified signal and an output that outputs a filtered signal. The switched capacitor filter operates in response to a filter clock. The apparatus also includes a filter timing adjuster that receives a reference voltage and adjusts a phase of the filter clock with respect to the chop clock to reduce chopper noise on that reference voltage.

    摘要翻译： 公开了具有同步开关电容噪声滤波的斩波稳定放大器。 在示例性实施例中，一种装置包括具有接收输入信号的输入和输出放大信号的输出的斩波放大器。 斩波放大器包括输入斩波电路和输出斩波电路，其中输入和输出斩波电路响应于斩波时钟而工作。 该装置还包括具有接收放大信号的输入端和输出滤波信号的输出的开关电容滤波器。 开关电容滤波器响应于滤波器时钟而工作。 该装置还包括滤波器定时调节器，其接收参考电压并相对于斩波时钟调节滤波器时钟的相位，以减小该参考电压的斩波噪声。