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    LOW LOSS GALVANIC ISOLATION CIRCUITRY
    34.
    发明申请
    LOW LOSS GALVANIC ISOLATION CIRCUITRY 审中-公开

    公开(公告)号：US20180278229A1

    公开(公告)日：2018-09-27

    申请号：US15466961

    申请日：2017-03-23

    Applicant: Texas Instruments Incorporated

    Inventor： Swaminathan Sankaran ,  Bradley Allen Kramer ,  Baher Haroun

    IPC: H01P5/02 ,  H03H7/01

    Abstract: Disclosed examples include digital isolator modules, isolation circuitry and low-loss multi-order bandpass filter circuits, including a capacitive coupled galvanic isolation circuit with first and second coupling capacitors individually including a first plate and a second plate, and a bond wire connecting the first plates of the coupling capacitors, a first circuit with a first inductor coupled to form a first resonant tank circuit with a first parasitic capacitor associated with the second plate of the first coupling capacitor, and a second circuit with a second inductor coupled to form a second resonant tank circuit with a second parasitic capacitor associated with the second plate of the second coupling capacitor.

    Method and circuitry for transmitting data
    37.
    发明授权
    Method and circuitry for transmitting data 有权

    公开(公告)号：US09614556B2

    公开(公告)日：2017-04-04

    申请号：US14928872

    申请日：2015-10-30

    Applicant: Texas Instruments Incorporated

    Inventor： Mark W. Morgan ,  Swaminathan Sankaran ,  Bradley Allen Kramer

    IPC: H04B1/04 ,  H04M11/06

    CPC classification number: H04B1/0475 ,  H04B1/0483 ,  H04M11/066

    Abstract: Data transfer devices and methods for transferring data between first and second circuits are disclosed. A data transfer device includes a first circuit having a plurality of data channels, wherein at least one of the data channels is an active data channel. A serializer has a plurality of inputs and an output, wherein the inputs are coupled to the plurality of data channels. The serializer is for coupling only one active channel at a time to the output. An isolation barrier is coupled to the output of the serializer, the isolation attenuates transients and passes the fundamental frequency. A second circuit includes a deserializer having an input and at least one output, the input is coupled to the isolation barrier, the at least one output is at least one active data channel.

    Guided near field communication for short range data communication
    38.
    发明授权
    Guided near field communication for short range data communication 有权
    引导近场通信进行短距离数据通信

    公开(公告)号：US09590699B1

    公开(公告)日：2017-03-07

    申请号：US14970315

    申请日：2015-12-15

    Applicant: Texas Instruments Incorporated ,  Texas Instruments Deutschland GMBH

    Inventor： Swaminathan Sankaran ,  Bradley Allen Kramer ,  Benjamin Stassen Cook ,  Juan Alejandro Herbsommer ,  Lutz Naumann ,  Mark W. Morgan ,  Baher Haroun

    IPC: H04B5/00 ,  H04W4/00

    CPC classification number: H04B5/0031 ,  H04B5/0075 ,  H04W4/80

    Abstract: A system is provided in which a set of modules each have a substrate on which is mounted a radio frequency (RF) transmitter and/or an RF receiver coupled to a near field communication (NFC) coupler located on the substrate. Each module has a housing that surrounds and encloses the substrate. The housing has a port region on a surface of the housing. Each module has a field confiner located between the NFC coupler and the port region on the housing configured to guide electromagnetic energy emanated from the NFC coupler through the port region to a port region of an adjacent module.

    Abstract translation: 提供了一种系统，其中一组模块各自具有衬底，其上安装有射频（RF）发射器和/或耦合到位于衬底上的近场通信（NFC）耦合器）的RF接收器。 每个模块具有围绕并包围衬底的壳体。 壳体在壳体的表面上具有端口区域。 每个模块具有位于NFC耦合器和壳体上的端口区域之间的场约束器，其被配置成将通过端口区域从NFC耦合器发出的电磁能引导到相邻模块的端口区域。

    INDUCTIVE STRUCTURES WITH IMPROVED COMMON MODE TRANSIENT IMMUNITY
    39.
    发明申请
    INDUCTIVE STRUCTURES WITH IMPROVED COMMON MODE TRANSIENT IMMUNITY 审中-公开
    具有改进的共同模式瞬态免疫的电感结构

    公开(公告)号：US20170012677A1

    公开(公告)日：2017-01-12

    申请号：US15270962

    申请日：2016-09-20

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Rajaram Subramonian ,  Gianpaolo Lisi ,  Swaminathan Sankaran ,  Bradley Allen Kramer ,  Gerard Socci

    IPC: H04B5/00

    CPC classification number: H04B5/0087 ,  H04B5/0031 ,  H04B5/0037

    Abstract: A first inductive structure includes a data coil to transfer data by inductive coupling with a second inductive structure. First and second portions of the data coil are connected to one another at a center tap to conduct respective first and second common mode currents, induced by a common mode transient between: a first ground line coupled to the center tap; and a galvanically isolated second ground line of the second inductive structure.

    Abstract translation: 第一感应结构包括通过与第二感应结构的感应耦合传送数据的数据线圈。 数据线圈的第一和第二部分在中心抽头处彼此连接，以进行由共模瞬变引起的相应的第一和第二共模电流：耦合到中心抽头的第一接地线; 以及第二感应结构的电隔离的第二接地线。

    ISOLATION CIRCUITS FOR DIGITAL COMMUNICATIONS AND METHODS TO PROVIDE ISOLATION FOR DIGITAL COMMUNICATIONS
    40.
    发明申请
    ISOLATION CIRCUITS FOR DIGITAL COMMUNICATIONS AND METHODS TO PROVIDE ISOLATION FOR DIGITAL COMMUNICATIONS 有权
    用于数字通信的隔离电路和提供数字通信隔离的方法

    公开(公告)号：US20150381219A1

    公开(公告)日：2015-12-31

    申请号：US14732313

    申请日：2015-06-05

    Applicant: TEXAS INSTRUMENTS INCORPORATED

    Inventor： Bradley Allen Kramer ,  Mark W. Morgan ,  Swaminathan Sankaran

    IPC: H04B1/04

    CPC classification number: H04B1/0475 ,  H01L2224/48091 ,  H03F1/02 ,  H03F3/24 ,  H04B2001/0408 ,  H04B2001/045 ,  H04L25/0266 ,  H04L25/069 ,  H04L25/49 ,  H01L2924/00014

    Abstract: Isolation circuits for digital communications and methods to provide isolation for digital communications are disclosed. An example isolation circuit includes an isolation barrier, a burst encoder in a first circuit, and an edge pattern detector in a second circuit. The example isolation barrier electrically isolates the first circuit from the second circuit. The example burst encoder generates a first pattern in response to receiving a rising edge on an input signal and generates a second pattern in response to receiving a falling edge on the input signal. The example edge pattern detector detects the first pattern or the second pattern received from the burst encoder via the isolation barrier, sets an output signal at a first signal level in response to detecting the first pattern, and sets the output signal at a second signal level in response to detecting the second pattern.

    Abstract translation: 公开了用于数字通信的隔离电路和用于提供用于数字通信的隔离的方法。 示例性隔离电路包括隔离栅，第一电路中的突发编码器和第二电路中的边缘图案检测器。 示例性隔离屏障将第一电路与第二电路电隔离。 响应于在输入信号上接收上升沿，示例性突发编码器产生第一模式，并且响应于在输入信号上接收到下降沿而产生第二模式。 示例性边缘模式检测器经由隔离屏障检测从脉冲串编码器接收的第一模式或第二模式，响应于检测到第一模式而将输出信号设置在第一信号电平，并将输出信号设置在第二信号电平 响应于检测到第二图案。

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