Schmitt trigger circuit operated based on pulse width
    1.
    发明授权
    Schmitt trigger circuit operated based on pulse width 有权
    施密特触发电路基于脉冲宽度工作

    公开(公告)号:US08324950B2

    公开(公告)日:2012-12-04

    申请号:US13034363

    申请日:2011-02-24

    IPC分类号: G01R29/02 H03K3/356

    CPC分类号: H03K3/3565

    摘要: There are provided a Schmitt trigger circuit that has hysteresis characteristics in which a release point and an operating point are determined based on a width of an inputted pulse. The Schmitt trigger circuit may include a signal/pulse conversion unit that receives an analog signal to generate an input pulse having a width corresponding to a magnitude of the analog signal, a pulse width determination unit that compares the width of the input pulse generated in the signal/pulse conversion unit with a predetermined first threshold width and a second threshold width greater than the first threshold width to output state information indicating the compared result, and an output determination unit that outputs a high signal, when the width of the input pulse is changed from a state of being smaller than the second threshold width to a state of being greater than the second threshold width based on the state information, and outputs a low signal when the width of the input pulse is changed from a state of being greater than the first threshold width to a state of being smaller than the first threshold width based on the state information.

    摘要翻译: 提供了具有滞后特性的施密特触发电路,其中基于输入脉冲的宽度来确定释放点和操作点。 施密特触发电路可以包括:信号/脉冲转换单元,其接收模拟信号以产生具有对应于模拟信号的幅度的宽度的输入脉冲;脉冲宽度确定单元,其将生成的输入脉冲的宽度进行比较 信号/脉冲转换单元,具有预定的第一阈值宽度和大于第一阈值宽度的第二阈值宽度,以输出指示比较结果的状态信息;以及输出确定单元,当输入脉冲的宽度为 根据状态信息从小于第二阈值宽度的状态变为大于第二阈值宽度的状态,并且当输入脉冲的宽度从大于 基于状态信息将第一阈值宽度设置为小于第一阈值宽度的状态。

    LOW-POWER WIRELESS COMMUNICATION APPARATUS AND METHOD
    3.
    发明申请
    LOW-POWER WIRELESS COMMUNICATION APPARATUS AND METHOD 审中-公开
    低功率无线通信设备和方法

    公开(公告)号:US20070205872A1

    公开(公告)日:2007-09-06

    申请号:US11566608

    申请日:2006-12-04

    IPC分类号: H04Q5/22

    CPC分类号: H04W52/0229 Y02D70/00

    摘要: Provided is a low-power wireless communication apparatus and method. In the apparatus, a low-noise amplifier amplifies an RF signal in an on state, the low-noise amplifier be turned on/off according to a predetermined control signal. A wake-up signal detector detects a wake-up signal from the amplified RF signal. A controller provides the predetermined control signal such that the low-noise amplifier and the wake-up signal detector operate at a predetermined on-off duty ratio in a sleep mode corresponding to an Rx waiting state, and switching to an Rx mode to maintain the on state of the low-noise amplifier when the wake-up signal is detected.

    摘要翻译: 提供了一种低功率无线通信装置和方法。 在该装置中,低噪声放大器在接通状态下放大RF信号,根据预定的控制信号将低噪声放大器导通/截止。 唤醒信号检测器从放大的RF信号检测唤醒信号。 控制器提供预定的控制信号,使得低噪声放大器和唤醒信号检测器在对应于Rx等待状态的休眠模式中以预定的开 - 关占空比工作,并切换到Rx模式以维持 检测到唤醒信号时的低噪声放大器的导通状态。

    Hall integrated circuit with adjustable hysteresis
    4.
    发明授权
    Hall integrated circuit with adjustable hysteresis 有权
    霍尔集成电路具有可调滞后

    公开(公告)号:US08248066B2

    公开(公告)日:2012-08-21

    申请号:US12835461

    申请日:2010-07-13

    申请人: Dong-Ok Han

    发明人: Dong-Ok Han

    IPC分类号: G01R33/06 G01R33/07 G01R15/20

    CPC分类号: G01R33/072

    摘要: A Hall integrated circuit with adjustable hysteresis is disclosed. The circuit in accordance with an embodiment of the present invention includes a magnetic field-pulse convertor, which outputs a pulse-shaped voltage difference pulse by converting a change in two voltages as a pulse and in which the change occurs in accordance with a magnitude of a magnetic field inputted by a Hall sensor, a polarity determining unit, which determines polarities of two signals outputted by the Hall sensor by using the voltage difference pulse and one of the two signals outputted by the Hall sensor, a magnetic flux density determining unit, which outputs a high signal or a low signal by comparing the voltage difference pulse with a set value, and a first flip-flop outputs a result signal having a hysteresis characteristic according to inputs by the polarity determining unit and the magnetic flux density determining unit.

    摘要翻译: 公开了具有可调迟滞的霍尔集成电路。 根据本发明的实施例的电路包括磁场脉冲转换器,其通过将两个电压的变化转换为脉冲而输出脉冲形电压差脉冲,并且其中根据 由霍尔传感器输入的磁场,极性确定单元,其通过使用电压差脉冲和由霍尔传感器输出的两个信号中的一个来确定由霍尔传感器输出的两个信号的极性,磁通密度确定单元, 其通过将电压差脉冲与设定值进行比较来输出高信号或低信号,第一触发器根据极性判定单元和磁通密度确定单元的输入输出具有滞后特性的结果信号。

    MULTIPLE FREQUENCY BAND HYBRID RECEIVER
    5.
    发明申请
    MULTIPLE FREQUENCY BAND HYBRID RECEIVER 有权
    多频带混合接收机

    公开(公告)号:US20100304703A1

    公开(公告)日:2010-12-02

    申请号:US12629609

    申请日:2009-12-02

    IPC分类号: H04B1/26

    摘要: A multiple frequency band hybrid receiver includes a plurality of input terminals to which different frequency band signals are respectively inputted; a plurality of mixers connected to the plurality of input terminals sequentially, receiving the different frequency band signals respectively, and down-converting frequencies of the received frequency band signals to predetermined frequencies; an output terminal outputting baseband signals. Each mixer receives a signal from an input terminal connected thereto or another mixer. One of the plurality of mixers receives the lowest frequency band signal, converts a frequency of the received signal to a baseband frequency, and provides a signal having the baseband frequency to the output terminal. The other mixers each down-convert a frequency of a received signal to a frequency band of a signal which is inputted into another mixer.

    摘要翻译: 多频带混合接收机包括分别输入不同频带信号的多个输入端子; 顺序地连接到多个输入端的多个混频器,分别接收不同的频带信号,并将接收的频带信号的频率降频到预定的频率; 输出端子输出基带信号。 每个混合器从连接到其的输入端或另一个混频器接收信号。 多个混频器中的一个接收最低频带信号,将接收信号的频率转换为基带频率,并向输出端提供具有基带频率的信号。 其他混频器各自将接收到的信号的频率下变频为输入到另一混频器的信号的频带。

    CURRENT CIRCUIT HAVING SELECTIVE TEMPERATURE COEFFICIENT
    6.
    发明申请
    CURRENT CIRCUIT HAVING SELECTIVE TEMPERATURE COEFFICIENT 审中-公开
    具有选择温度系数的电流电路

    公开(公告)号:US20120119819A1

    公开(公告)日:2012-05-17

    申请号:US13009618

    申请日:2011-01-19

    IPC分类号: H01L37/00

    CPC分类号: G05F3/242 G05F3/245

    摘要: There is provided a current circuit having a selective temperature coefficient. The current circuit may include: a first current generating unit generating a first current having a positive temperature characteristic which increases depending on temperature; a second current generating unit generating a second current having a negative temperature characteristic which decreases depending on temperature; a multiplying unit multiplying and outputting each of the first current and the second current; and a switching unit selectively synthesizing and outputting a plurality of currents outputted from the multiplying unit depending on on/off control signals. Therefore, it is possible to prevent performance from being deteriorated by temperature and easily and efficiently adjust a temperature coefficient through a simple switching logic.

    摘要翻译: 提供了具有选择性温度系数的电流电路。 电流电路可以包括:第一电流产生单元,其产生具有根据温度升高的正温度特性的第一电流; 产生具有根据温度降低的负温度特性的第二电流的第二电流产生单元; 乘法单元,乘法并输出第一电流和第二电流中的每一个; 以及切换单元,其根据开/关控制信号选择性地合成并输出从乘法单元输出的多个电流。 因此,可以防止性能由于温度而劣化,并且通过简单的开关逻辑容易且有效地调节温度系数。

    HALL DEVICE MODULE EQUIPPED WITH INTERCONNECTED DOUBLE HALL DEVICES
    7.
    发明申请
    HALL DEVICE MODULE EQUIPPED WITH INTERCONNECTED DOUBLE HALL DEVICES 审中-公开
    HALL设备模块配有互连双重设备

    公开(公告)号:US20120112740A1

    公开(公告)日:2012-05-10

    申请号:US13024049

    申请日:2011-02-09

    IPC分类号: G01R33/07

    CPC分类号: G01R33/07

    摘要: There is provided a hall device module equipped with interconnected double hall devices. The hall device module includes: a first hall device having a first pair of terminals for excitation and a pair of output terminals; and a second hall device having a second pair of terminals for excitation and a pair of output terminals, wherein the first and second hall devices have the same equivalent circuit, the second hall device is disposed to be rotated by a predetermined angle based on the first hall device, a first terminal of the first pair of terminals is interconnected to a first terminal of the second pair of terminals to receive driving power for excitation, a second terminal of the first pair of terminals is interconnected to a second terminal of the second pair of terminals and is grounded, terminals outputting a positive component, which is a voltage rising according to an applied external magnetic field, among the pair of output terminals of the first hall device and the pair of output terminals of the second hall device, are interconnected, and terminals outputting a negative component, which is a voltage falling according to the applied external magnetic field, are interconnected, to thereby remove an offset.

    摘要翻译: 提供了一个配有互连双层霍尔设备的霍尔设备模块。 霍尔器件模块包括:第一霍尔器件,具有用于激励的第一对端子和一对输出端子; 以及第二霍尔器件,具有用于激励的第二对端子和一对输出端子,其中所述第一和第二霍尔器件具有相同的等效电路,所述第二霍尔器件被设置为基于所述第一霍尔器件的第一 所述第一对端子的第一端子与所述第二对端子的第一端子互连以接收用于激励的驱动电力,所述第一对端子的第二端子与所述第二对端子的第二端子互连 的端子并接地,在第一霍尔器件的一对输出端子和第二霍尔器件的一对输出端子之间输出作为施加的外部磁场的上升电压的正部件的端子相互连接 并且输出作为根据所施加的外部磁场落下的电压的负分量的端子互连 有一个偏移。

    SCHMITT TRIGGER CIRCUIT OPERATED BASED ON PULSE WIDTH
    8.
    发明申请
    SCHMITT TRIGGER CIRCUIT OPERATED BASED ON PULSE WIDTH 有权
    基于脉冲宽度的SCHMITT触发电路

    公开(公告)号:US20120074999A1

    公开(公告)日:2012-03-29

    申请号:US13034363

    申请日:2011-02-24

    IPC分类号: H03K3/00

    CPC分类号: H03K3/3565

    摘要: There are provided a Schmitt trigger circuit that has hysteresis characteristics in which a release point and an operating point are determined based on a width of an inputted pulse. The Schmitt trigger circuit may include a signal/pulse conversion unit that receives an analog signal to generate an input pulse having a width corresponding to a magnitude of the analog signal, a pulse width determination unit that compares the width of the input pulse generated in the signal/pulse conversion unit with a predetermined first threshold width and a second threshold width greater than the first threshold width to output state information indicating the compared result, and an output determination unit that outputs a high signal, when the width of the input pulse is changed from a state of being smaller than the second threshold width to a state of being greater than the second threshold width based on the state information, and outputs a low signal when the width of the input pulse is changed from a state of being greater than the first threshold width to a state of being smaller thali the first threshold width based on the state information.

    摘要翻译: 提供了具有滞后特性的施密特触发电路,其中基于输入脉冲的宽度来确定释放点和操作点。 施密特触发电路可以包括:信号/脉冲转换单元,其接收模拟信号以产生具有对应于模拟信号的幅度的宽度的输入脉冲;脉冲宽度确定单元,其将生成的输入脉冲的宽度进行比较 信号/脉冲转换单元,具有预定的第一阈值宽度和大于第一阈值宽度的第二阈值宽度,以输出指示比较结果的状态信息;以及输出确定单元,当输入脉冲的宽度为 根据状态信息从小于第二阈值宽度的状态变为大于第二阈值宽度的状态,并且当输入脉冲的宽度从大于 基于状态信息将第一阈值宽度变为小于第一阈值宽度的状态。

    BALUN TRANSFORMER
    9.
    发明申请
    BALUN TRANSFORMER 有权
    BALUN变压器

    公开(公告)号:US20090039977A1

    公开(公告)日:2009-02-12

    申请号:US12187022

    申请日:2008-08-06

    IPC分类号: H03H5/00

    摘要: A balun transformer includes a first conductive pattern having one end provided as an input/output port of an unbalanced signal, a second conductive pattern electromagnetically coupled to the first conductive pattern and having both ends provided as input/output ports of a balanced signal, and a first variable capacitor connected between a ground part and a middle part of an electrical length of the second conductive pattern.

    摘要翻译: 平衡不平衡变压器包括第一导电图案,其一端被提供为不平衡信号的输入/输出端口,电磁耦合到第一导电图案并且具有作为平衡信号的输入/输出端口的两端的第二导电图案,以及 连接在第二导电图案的电气长度的接地部分和中间部分之间的第一可变电容器。

    HALL SENSOR HAVING OFFSET REMOVAL FUNCTION AND OFFSET REMOVING METHOD THEREOF
    10.
    发明申请
    HALL SENSOR HAVING OFFSET REMOVAL FUNCTION AND OFFSET REMOVING METHOD THEREOF 审中-公开
    具有偏移功能的偏移传感器及其移除方法

    公开(公告)号:US20120256622A1

    公开(公告)日:2012-10-11

    申请号:US13188247

    申请日:2011-07-21

    IPC分类号: G01R33/07

    CPC分类号: G01R33/07 G01R33/0029

    摘要: There are provided a hall sensor having an offset removal function removing an offset included in a hall voltage, and an offset removing method thereof. The hall sensor includes: a converting unit converting first and second detection voltages detected for each of a plurality of preset detection directions by a hall device detecting a magnetic field as a voltage according to the plurality of preset detection directions into a pulse having a level difference therebetween as a width; a sign determining unit comparing the first and second detection voltages with each other and determining whether the pulse has a positive sign or a negative sign according to the comparison result; a counter counting the width of the pulse from the converting unit with a preset reference time unit; and an operating unit removing an offset voltage included in the first and second detection voltages by performing a minus operation with the numbers counted by the counter according to the sign determined by the sign determining unit.

    摘要翻译: 提供了具有去除包括在霍尔电压中的偏移的偏移消除功能的霍尔传感器及其偏移消除方法。 霍尔传感器包括:转换单元,通过检测作为根据多个预设检测方向的电压的磁场的霍尔器件将针对多个预设检测方向中的每一个检测的第一和第二检测电压转换成具有电平差的脉冲 之间的宽度; 符号确定单元,将第一和第二检测电压彼此进行比较,并根据比较结果确定脉冲是否具有正号或负号; 一个计数器,用一个预设的基准时间单位来计算来自转换单元的脉冲宽度; 以及操作单元,通过根据由所述符号确定单元确定的符号由所述计数器计数的数字执行减号操作来去除包括在所述第一和第二检测电压中的偏移电压。