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    • 4. 发明申请
    • High efficiency power amplifier
    • 高效率功率放大器
    • US20060284682A1
    • 2006-12-21
    • US11453396
    • 2006-06-15
    • Jae-Sup LeeTae-Wook KimHyun-Il KangDong-Hyun Baek
    • Jae-Sup LeeTae-Wook KimHyun-Il KangDong-Hyun Baek
    • H03F1/38
    • H03F1/34H03F1/301H03F1/3205H03F3/2171
    • A high efficiency power amplifier with a precise duty cycle is provided for use in a driver or pre-power amplifier of a Radio Frequency (RF) system. The high efficiency power amplifier with an inverter configured by one pair of Metal Oxide Semiconductor (MOS) transistors includes a feedback path for adjusting an input voltage in response to an output voltage between input and output terminals of the inverter and correcting an operation time point of the MOS transistors configuring the inverter. The high efficiency power amplifier can be used for a high efficiency driver to automatically correct duty cycle distortion. When the high efficiency power amplifier is placed in a front stage of various RF power amplifiers, it can be used for a pre-amplifier capable of increasing the efficiency of the RF power amplifier.
    • 提供具有精确占空比的高效率功率放大器用于射频(RF)系统的驱动器或前置功率放大器。 具有由一对金属氧化物半导体(MOS)晶体管配置的反相器的高效率功率放大器包括用于响应于逆变器的输入和输出端之间的输出电压来调节输入电压的反馈路径,并且校正操作时间点 构成逆变器的MOS晶体管。 高效率功率放大器可用于高效率驱动器,以自动校正占空比失真。 当高效率功率放大器放置在各种RF功率放大器的前级时,它可以用于能够提高RF功率放大器效率的前置放大器。
    • 5. 发明申请
    • SECONDARY BATTERY PACK OF NOVEL STRUCTURE
    • 新型结构二次电池组
    • US20120040209A1
    • 2012-02-16
    • US13201670
    • 2010-02-24
    • Juhwan BaekSangkwon NamSukjin SongTae-Wook KimJinhyun Ryu
    • Juhwan BaekSangkwon NamSukjin SongTae-Wook KimJinhyun Ryu
    • H01M2/00H01M2/30H01M10/00H01M2/06
    • H01M2/34H01M2/0285H01M2/0404H01M2/22H01M2/348H01M10/052H01M10/425H01M2200/106Y02E60/12Y10T29/49108Y10T29/4911Y10T29/49114
    • Disclosed herein is a secondary battery pack including a battery cell including first and second electrode terminals of specific structures, a protection circuit module (PCM) including connection members A and B connected to the first and second electrode terminals and an electrically insulated top cap, wherein a connection portion of the connection member B connected to the second electrode terminal of the battery cell is located at the bottom of the PCB so that the connection member B is electrically connected to the second electrode terminal via the safety element, the connection member A is coupled to the bottom of the PCB in a state in which the connection member A protrudes from one end of the PCB in the lateral direction so that a connection portion of the connection member A connected to the first electrode terminal of the battery cell is exposed through a corresponding one of the through holes formed at the top cap, a coupling hole is formed at the protruding portion of the connection member A, and wherein coupling members are coupled into the respective coupling grooves of the battery cell through the through holes of the top cap in a state in which the PCM and the top cap are disposed at the top of the battery cell, and the connection member A is mechanically coupled and electrically connected to the first electrode terminal by a corresponding one of the coupling members.
    • 本文公开了一种二次电池组,其包括具有特定结构的第一和第二电极端子的电池单元,包括连接到第一和第二电极端子的连接构件A和B以及电绝缘顶盖的保护电路模块(PCM),其中 连接到电池单元的第二电极端子的连接构件B的连接部分位于PCB的底部,使得连接构件B经由安全元件电连接到第二电极端子,连接构件A是 在连接构件A从PCB的一端沿横向突出的状态下连接到PCB的底部,使得连接到电池单元的第一电极端子的连接构件A的连接部分通过 形成在顶盖上的相应的一个通孔,在该凸起部分处形成一个连接孔 连接构件A,并且其中耦合构件在PCM和顶盖设置在电池单元的顶部的状态下通过顶盖的通孔耦合到电池单元的相应耦合槽中,并且 连接构件A通过相应的一个联接构件机械地联接并电连接到第一电极端子。
    • 6. 发明授权
    • Mixer circuit having improved linearity and noise figure
    • 混频器电路具有改善的线性度和噪声系数
    • US07342432B2
    • 2008-03-11
    • US10775234
    • 2004-02-11
    • Tae-Wook KimBon-Kee KimKwy-Ro Lee
    • Tae-Wook KimBon-Kee KimKwy-Ro Lee
    • G06G7/16
    • H03F3/45089H03F2203/45318H03F2203/45496H03F2203/45702
    • A mixer circuit having improved linearity and noise figure is disclosed. The mixer circuit comprises an amplification unit having an input terminal and an output terminal, the amplification unit amplifying a signal applied to the input terminal to output it to the output terminal; a mixing unit having first, second and third input terminals, and first and second output terminals, the mixing unit mixing signals respectively applied to the first and second input terminals with a signal supplied to the third input terminal, to respectively output the mixed signals to the first and second output terminals; a capacitor connected between the output terminal of the amplification unit and the third input terminal of the mixing unit; and a current source for providing a specific quantity of current to the third input terminal of the mixing unit such that the quantity of current flowing through the third input terminal of the mixing unit is substantially larger than the quantity of current flowing through the amplification unit.
    • 公开了具有改进的线性和噪声系数的混频器电路。 所述混频电路包括具有输入端和输出端的放大单元,所述放大单元放大施加到所述输入端的信号,将其输出到所述输出端; 混合单元,具有第一,第二和第三输入端以及第一和第二输出端,所述混合单元将分别施加到第一和第二输入端的信号与提供给第三输入端的信号混合,分别输出混合信号 第一和第二输出端子; 连接在所述放大单元的输出端子和所述混频单元的第三输入端子之间的电容器; 以及电流源,用于向混合单元的第三输入端提供特定量的电流,使得流过混合单元的第三输入端的电流量大大地大于流过放大单元的电流量。
    • 7. 发明授权
    • Secondary battery pack of embedded type with novel structure
    • 具有新颖结构的嵌入式二次电池组
    • US09385402B2
    • 2016-07-05
    • US13402706
    • 2012-02-22
    • Tae-Wook KimJu-Hwan BaekSangkwon Nam
    • Tae-Wook KimJu-Hwan BaekSangkwon NamJinHyun Ryu
    • H01M10/04H01M2/00H02H3/00H01M10/42H01M2/02
    • H01M10/4257H01M2/0212H01M10/0436H01M2200/10Y10T29/49108
    • A secondary battery pack is provided. The secondary battery pack has a structure in which a protection circuit module (PCM) is mounted to a top of a plate-shaped battery cell having electrode terminals formed at an upper end thereof, the PCM includes a printed circuit board (PCB) having a protection circuit formed thereon, a safety element electrically connected between one of the electrode terminals of the battery cell and the protection circuit of the PCB, an external input and output terminal electrically connected to the protection circuit of the PCB, and an electrically insulative module case to cover the PCB and the safety element in a state in which the external input and output terminal extends outside. The PCM is loaded on an upper end case extension portion of the battery cell in a state in which the PCM is electrically connected to the electrode terminals of the battery cell.
    • 提供二次电池组。 二次电池组具有保护电路模块(PCM)安装在具有形成在其上端的电极端子的板状电池单元的顶部的结构,PCM包括印刷电路板(PCB),其具有 形成在其上的保护电路,电连接在电池单元的一个电极端子和PCB的保护电路之间的安全元件,电连接到PCB的保护电路的外部输入和输出端子,以及电绝缘模块壳体 在外部输入和输出端子外部延伸的状态下覆盖PCB和安全元件。 在将PCM与电池单元的电极端子电连接的状态下,将PCM装载在电池单元的上端壳体延伸部上。