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    • 3. 发明申请
    • Ultra wide band pulse train generator
    • 超宽带脉冲发生器
    • US20050117658A1
    • 2005-06-02
    • US10878699
    • 2004-06-28
    • Si-Bum Jun
    • Si-Bum Jun
    • H03K5/153H04L27/04
    • H04B1/7174
    • An ultra wide band (UWB) pulse train generator, which includes a trigger signal controller for sequentially outputting n trigger signals for triggering generation of UWB pulse train in accordance with n bit data to be transmitted at a predetermined time period, a latch unit for loading in parallel the n bit data to be transmitted and sequentially toggling the loaded n bit data by one bit whenever the trigger signal is input from the trigger signal controller, and a pulse train generator for generating polarity pulses corresponding to a direction of an edge transition in accordance with toggling on each output signal of the latch unit.
    • 一种超宽带(UWB)脉冲串发生器,其包括触发信号控制器,用于根据要在预定时间段发送的n位数据顺序地输出用于触发UWB脉冲串生成的触发信号;锁存单元,用于加载 并联发送的n位数据,每当触发信号从触发信号控制器输入触发信号时,顺序地将加载的n位数据切换1位;以及脉冲串发生器,用于产生对应于边沿转换方向的极性脉冲 根据锁存单元的每个输出信号切换。
    • 4. 发明授权
    • Ultra wide band pulse train generator
    • 超宽带脉冲发生器
    • US07283595B2
    • 2007-10-16
    • US10878699
    • 2004-06-28
    • Si-Bum Jun
    • Si-Bum Jun
    • H04L27/04
    • H04B1/7174
    • An ultra wide band (UWB) pulse train generator, which includes a trigger signal controller for sequentially outputting n trigger signals for triggering generation of UWB pulse train in accordance with n bit data to be transmitted at a predetermined time period, a latch unit for loading in parallel the n bit data to be transmitted and sequentially toggling the loaded n bit data by one bit whenever the trigger signal is input from the trigger signal controller, and a pulse train generator for generating polarity pulses corresponding to a direction of an edge transition in accordance with toggling on each output signal of the latch unit.
    • 一种超宽带(UWB)脉冲串发生器,其包括触发信号控制器,用于根据要在预定时间段发送的n位数据顺序地输出用于触发UWB脉冲串生成的触发信号;锁存单元,用于加载 并联发送的n位数据,每当触发信号从触发信号控制器输入触发信号时,顺序地将加载的n位数据切换1位;以及脉冲串发生器,用于产生对应于边沿转换方向的极性脉冲 根据锁存单元的每个输出信号切换。
    • 5. 发明申请
    • Apparatus and method for controlling power in sleep mode in a mobile communication terminal
    • 用于在移动通信终端中在睡眠模式下控制功率的装置和方法
    • US20060030353A1
    • 2006-02-09
    • US11221665
    • 2005-09-08
    • Si-Bum Jun
    • Si-Bum Jun
    • H04B1/38
    • H04W52/0235H04B1/1615Y02D70/144Y02D70/162Y02D70/166Y02D70/40
    • An apparatus and method are provided for controlling power in sleep mode in a mobile communication terminal. A radio communicator including a power supply converts a radio signal received through an antenna into a baseband signal using a reference oscillating frequency of a voltage controlled oscillator. A radio frequency identification (RFID) tag generates power using an interrogation signal from a base station, and outputs a “wake-up” signal to be used to determine whether a radio signal has been received using the generated power. A controller controls the power supply to supply the power to the radio communicator in response to the wake-up signal from the RFID tag. Accordingly, an amount of power consumption in the mobile communication terminal can be reduced.
    • 提供一种用于在移动通信终端中控制睡眠模式下的功率的装置和方法。 包括电源的无线电通信器使用压控振荡器的参考振荡频率将通过天线接收的无线电信号转换为基带信号。 射频识别(RFID)标签使用来自基站的询问信号产生电力,并且输出用于确定是否已经使用所产生的功率接收到无线电信号的“唤醒”信号。 控制器响应来自RFID标签的唤醒信号控制电源以向无线电通信器提供电力。 因此,可以减少移动通信终端中的功耗量。
    • 6. 发明授权
    • Precision fullwave rectifier
    • 精密全波整流
    • US06275402B1
    • 2001-08-14
    • US09634297
    • 2000-08-09
    • Si-Bum Jun
    • Si-Bum Jun
    • H02M7217
    • H02M7/217
    • The present invention relates to a precision fullwave rectifier which is used in communication systems or non-linear signal processors. The present invention used in communication systems and non-linear signal processors includes an input part receiving a first alternating current input signal and a second alternating current input between which a phase difference of about 180° exists wherein the input part generates a first current and a fourth current proportional to the first alternating current input signal and also generates a second current and a third current proportional to the second alternating current input signal, a first current subtractor outputting a fifth current by subtracting the second current from the first current, a second current subtractor outputting a sixth current by subtracting the fourth current from the third current, and an output part transforming and generate an wave-rectified output voltage by adding the fifth current to the sixth current. Besides, the input part further includes four NMOS transistors, each of the two current subtractors has four NMOS transistors, and the output part consists of a resistor.
    • 本发明涉及用于通信系统或非线性信号处理器的精密全波整流器。 在通信系统和非线性信号处理器中使用的本发明包括接收第一交流输入信号和第二交流输入的输入部分,其间存在大约180°的相位差,其中输入部分产生第一电流和 第四电流与第一交流输入信号成比例,并且还产生与第二交流输入信号成比例的第二电流和第三电流;第一电流减法器,通过从第一电流减去第二电流输出第五电流;第二电流 减法器通过从第三电流中减去第四电流而输出第六电流,以及输出部分通过将第五电流加到第六电流来变换和产生波整流输出电压。 此外,输入部分还包括四个NMOS晶体管,两个电流减法器中的每一个具有四个NMOS晶体管,并且输出部分由电阻器组成。
    • 7. 发明授权
    • Analog/digital modulation apparatus and method for controlling the same
    • 模拟/数字调制装置及其控制方法
    • US09083397B2
    • 2015-07-14
    • US14128869
    • 2012-06-21
    • Jong-Woo LeeSi-Bum Jun
    • Jong-Woo LeeSi-Bum Jun
    • H04B7/10H04L1/02H04B1/04H03M3/00
    • H04B1/04H03M3/394H03M3/414H03M3/454
    • An Analog/Digital (A/D) modulation apparatus in a communication system supporting multiple communication modes and a method for controlling the same are provided. The A/D modulation apparatus includes an A/D modulation module having a structure in which a plurality of unit loops are extended by a serial connection, a control module configured to determine a modulation resolution needed for a communication mode to be used, a signal transfer control module including an input control module configured to transfer or block an intermediate output signal of a basic loop, as an input signal of an extended loop serially connected to the basic loop, in response to the modulation control bits provided from the control module, and an output module configured to generate a final digital-modulated signal based on a final output signal of the basic loop and a final output signal of the extended loop.
    • 提供了一种支持多种通信模式的通信系统中的模拟/数字(A / D)调制装置及其控制方法。 A / D调制装置包括:A / D调制模块,其具有通过串行连接来扩展多个单位环路的结构;控制模块,被配置为确定要使用的通信模式所需的调制分辨率;信号 转移控制模块,包括响应于从控制模块提供的调制控制位,配置成传送或阻止基本回路的中间输出信号作为串行连接到基本回路的扩展回路的输入信号的输入控制模块, 以及输出模块,被配置为基于所述基本环路的最终输出信号和所述扩展环路的最终输出信号来产生最终的数字调制信号。