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    Tx module for wireless communication
    1.
    发明授权
    Tx module for wireless communication 失效
    用于无线通信的Tx模块

    公开(公告)号：US08145160B2

    公开(公告)日：2012-03-27

    申请号：US12427972

    申请日：2009-04-22

    申请人： Ki Joong Kim ,  Shinichi Iizuka ,  Hyo Keun Bae ,  Sang Hee Kim ,  Joong Jin Nam ,  Youn Suk Kim

    发明人： Ki Joong Kim ,  Shinichi Iizuka ,  Hyo Keun Bae ,  Sang Hee Kim ,  Joong Jin Nam ,  Youn Suk Kim

    IPC分类号： H04B1/02

    CPC分类号： H04B1/006

    摘要： A Tx module includes a plurality of power amplification units, a plurality of matching circuit units configured as transformers having input ports connected to output ports of the plurality of power amplification units, respectively, and a plurality of harmonic filter units having input ports connected to output ports of the plurality of matching circuit units, respectively. At least one of the matching circuit units includes a plurality of primary windings connected to output ports of corresponding power amplifiers of the power amplification units and a secondary winding inductively coupled in common to the plurality of primary windings.

    摘要翻译： Tx模块包括多个功率放大单元，多个匹配电路单元，被配置为分别具有连接到多个功率放大单元的输出端口的输入端口的变压器，以及具有连接到输出端的输入端口的多个谐波滤波器单元 多个匹配电路单元的端口。 匹配电路单元中的至少一个包括连接到功率放大单元的相应功率放大器的输出端口的多个初级绕组和与多个初级绕组电感耦合耦合的次级绕组。

    Transformer
    3.
    发明授权
    Transformer 有权
    变压器

    公开(公告)号：US07675397B2

    公开(公告)日：2010-03-09

    申请号：US12100325

    申请日：2008-04-09

    申请人： Ki Joong Kim ,  Shinichi Iizuka ,  Sang Hee Kim ,  Hyo Keun Bae ,  Youn Suk Kim

    发明人： Ki Joong Kim ,  Shinichi Iizuka ,  Sang Hee Kim ,  Hyo Keun Bae ,  Youn Suk Kim

    IPC分类号： H01F5/00 ,  H01F27/29 ,  H01F27/28

    CPC分类号： H01F19/04 ,  H01F27/2804

    摘要： A transformer includes: a multilayer board; one or more input conductive lines formed on the multilayer board, whose both ends connected to input terminals of a positive signal and a negative signal, respectively; one output conductive line formed adjacent to the one or more input conductive lines to form an electromagnetic coupling with the one or more input conductive lines, whose one end is connected to an output terminal and another end is connected to a ground; a power supply pad formed in an area of the one or more input conductive lines; and a harmonics remover formed between the one end and the another end of the output conductive line to remove harmonics components of a signal outputted from the output conductive line.

    摘要翻译： 变压器包括：多层板; 形成在多层基板上的一个或多个输入导线，其两端分别连接到正信号和负信号的输入端; 一个输出导线与所述一个或多个输入导线相邻地形成以与所述一个或多个输入导线形成电磁耦合，所述一个或多个输入导线的一端连接到输出端，另一端连接到地; 电源焊盘，形成在所述一个或多个输入导线的区域中; 以及形成在输出导线的一端和另一端之间的谐波去除器，以去除从输出导线输出的信号的谐波分量。

    TRANSFORMER
    4.
    发明申请
    TRANSFORMER 有权
    变压器

    公开(公告)号：US20090085705A1

    公开(公告)日：2009-04-02

    申请号：US12100325

    申请日：2008-04-09

    申请人： Ki Joong KIM ,  Shinichi Iizuka ,  Sang Hee Kim ,  Hyo Keun Bae ,  Youn Suk Kim

    发明人： Ki Joong KIM ,  Shinichi Iizuka ,  Sang Hee Kim ,  Hyo Keun Bae ,  Youn Suk Kim

    IPC分类号： H01F5/00

    CPC分类号： H01F19/04 ,  H01F27/2804

    摘要： A transformer including: a multilayer board; one or more input conductive lines formed on the multilayer board, whose both ends connected to input terminals of a positive signal and a negative signal, respectively; one output conductive line formed adjacent to the one or more input conductive lines to form an electromagnetic coupling with the one or more input conductive lines, whose one end is connected to an output terminal and another end is connected to a ground; a power supply pad formed in an area of the one or more input conductive lines; and a harmonics remover formed between the one end and the another end of the output conductive line to remove harmonics components of a signal outputted from the output conductive line, wherein a part of the one or more input conductive lines is formed on a top surface of the multilayer board and rest of the one or more input conductive lines is formed on a different layer from the top surface of the multilayer board, which are connected to each other via a via hole, and a portion of the output conductive line is formed on the top surface of the multilayer board and another portion of the output conductive line is formed on the different layer from the top surface of the multilayer board, which are connected to each other via the via hole, not to be directly connected to the one or more input conductive lines.

    摘要翻译： 一种变压器，包括：多层板; 形成在多层基板上的一个或多个输入导线，其两端分别连接到正信号和负信号的输入端; 一个输出导线与所述一个或多个输入导线相邻地形成以与所述一个或多个输入导线形成电磁耦合，所述一个或多个输入导线的一端连接到输出端，另一端连接到地; 电源焊盘，形成在所述一个或多个输入导线的区域中; 以及形成在所述输出导线的一端与另一端之间的谐波去除器，以去除从所述输出导线输出的信号的谐波分量，其中所述一个或多个输入导线的一部分形成在所述输出导线的顶表面上 一个或多个输入导线的多层板和其余部分形成在与多层板的顶表面不同的层上，多层板的顶表面经由通孔彼此连接，并且输出导线的一部分形成在 多层板的上表面和输出导线的另一部分形成在与多层板的顶表面不同的层上，多层板的顶表面经由通孔相互连接，不与其直接连接， 更多输入导线。

    Bias circuit and power amplifier having the same
    7.
    发明授权
    Bias circuit and power amplifier having the same 有权
    偏置电路和功率放大器具有相同的功能

    公开(公告)号：US08854142B2

    公开(公告)日：2014-10-07

    申请号：US13565417

    申请日：2012-08-02

    申请人： Shinichi Iizuka ,  Youn Suk Kim ,  Jun Goo Won ,  Myeong Woo Han ,  Young Jean Song ,  Ju Young Park ,  Ki Joong Kim

    发明人： Shinichi Iizuka ,  Youn Suk Kim ,  Jun Goo Won ,  Myeong Woo Han ,  Young Jean Song ,  Ju Young Park ,  Ki Joong Kim

    IPC分类号： H03F3/04

    CPC分类号： H03F3/19 ,  H03F1/30

    摘要： There are provided a bias circuit supplying different levels of bias power according to respective power modes through a simple circuit configuration, and a power amplifier having the same. The bias circuit includes: a bias setting unit setting a bias power voltage level by switching reference power having a pre-set voltage level determined according to a pre-set power mode; and a bias supply unit including a switching element performing switching according to the setting of the bias setting unit and supplying bias power having a voltage level determined according to a switching operation of the switching element.

    摘要翻译： 提供了通过简单电路配置根据各自的功率模式提供不同电平的偏置功率的偏置电路，以及具有该偏置电路的功率放大器。 偏置电路包括：偏置设定单元，通过切换具有根据预设功率模式确定的预设电压电平的参考功率来设置偏置功率电压电平; 以及偏置电源单元，包括开关元件，根据偏置设置单元的设置执行切换，并提供具有根据开关元件的开关操作确定的电压电平的偏置功率。

    Power amplifier
    8.
    发明授权
    Power amplifier 有权
    功率放大器

    公开(公告)号：US08629724B2

    公开(公告)日：2014-01-14

    申请号：US13362716

    申请日：2012-01-31

    申请人： Youn Suk Kim ,  Jun Goo Won ,  Shinichi Iizuka ,  Ki Joong Kim

    发明人： Youn Suk Kim ,  Jun Goo Won ,  Shinichi Iizuka ,  Ki Joong Kim

    IPC分类号： H03F3/191

    CPC分类号： H03F1/3205 ,  H03F1/56 ,  H03F3/19 ,  H03F2200/211 ,  H03F2200/213 ,  H03F2200/222

    摘要： There is provided a power amplifier which may suppress fluctuations in a phase of an output signal in accordance with fluctuations in a level of an input signal by varying an impedance between a signal input terminal and an amplification unit in accordance with a power level of an input signal. The power amplifier includes a bias voltage generation unit generating a bias voltage set in accordance with a power level of an input signal, an amplification unit amplifying the power level of the input signal in accordance with the bias voltage, and an impedance variation unit varying an impedance of a signal transmission path through which the input signal is transmitted to the amplification unit in accordance with the bias voltage.

    摘要翻译： 提供了一种功率放大器，其可以根据输入信号的电平的波动来抑制输出信号的相位的波动，通过根据输入的功率电平改变信号输入端子和放大单元之间的阻抗 信号。 功率放大器包括：偏置电压产生单元，其生成根据输入信号的功率电平设定的偏置电压;放大单元，其根据偏置电压放大输入信号的功率电平;以及阻抗变化单元， 根据偏置电压将输入信号传输到放大单元的信号传输路径的阻抗。

    Amplifier circuit and operating method thereof
    9.
    发明授权
    Amplifier circuit and operating method thereof 有权
    放大器电路及其操作方法

    公开(公告)号：US08917145B2

    公开(公告)日：2014-12-23

    申请号：US13452605

    申请日：2012-04-20

    申请人： Young Jean Song ,  Jun Goo Won ,  Youn Suk Kim ,  Shinichi Iizuka ,  Ju Young Park ,  Ki Joong Kim

    发明人： Young Jean Song ,  Jun Goo Won ,  Youn Suk Kim ,  Shinichi Iizuka ,  Ju Young Park ,  Ki Joong Kim

    IPC分类号： H03F3/191

    CPC分类号： H03F1/08 ,  H03F1/32 ,  H03F3/19 ,  H03F3/211 ,  H03F2200/18 ,  H03F2200/225

    摘要： There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.

    摘要翻译： 提供了放大器电路。 该放大器电路包括一个包括至少一个晶体管的放大单元; 至少一个第一偏置电路单元，包括电阻并连接到所述至少一个晶体管; 以及至少一个第二偏置电路单元，连接在施加输入信号的输入端和所述至少一个晶体管之间，以便阻挡具有高于第一频率或具有低于第二频率的频率的频率的输入信号 。 根据本发明的实施例的放大器电路可以防止热失控，从要放大的输入信号中去除谐波分量并抑制振荡。

    AMPLIFIER CIRCUIT AND OPERATING METHOD THEREOF
    10.
    发明申请
    AMPLIFIER CIRCUIT AND OPERATING METHOD THEREOF 有权
    放大器电路及其工作方法

    公开(公告)号：US20130207728A1

    公开(公告)日：2013-08-15

    申请号：US13452605

    申请日：2012-04-20

    申请人： Young Jean SONG ,  Jun Goo Won ,  Youn Suk Kim ,  Shinichi Iizuka ,  Ju Young Park ,  Ki Joong Kim

    发明人： Young Jean SONG ,  Jun Goo Won ,  Youn Suk Kim ,  Shinichi Iizuka ,  Ju Young Park ,  Ki Joong Kim

    IPC分类号： H03F3/04

    CPC分类号： H03F1/08 ,  H03F1/32 ,  H03F3/19 ,  H03F3/211 ,  H03F2200/18 ,  H03F2200/225

    摘要： There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.

    摘要翻译： 提供了放大器电路。 该放大器电路包括一个包括至少一个晶体管的放大单元; 至少一个第一偏置电路单元，包括电阻并连接到所述至少一个晶体管; 以及至少一个第二偏置电路单元，其连接在施加输入信号的输入端与所述至少一个晶体管之间，以便阻挡具有高于第一频率的频率或具有低于第二频率的频率的输入信号 。 根据本发明的实施例的放大器电路可以防止热失控，从要放大的输入信号中去除谐波分量并抑制振荡。