利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

13 条记录 (耗时 0.029 秒)

    Bias circuit and power amplifier having the same
    1.
    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。

    Amplifier circuit and operating method thereof
    2.
    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。

    BIAS CIRCUIT AND POWER AMPLIFIER HAVING THE SAME
    3.
    发明申请
    BIAS CIRCUIT AND POWER AMPLIFIER HAVING THE SAME 有权
    偏置电路和功率放大器

    公开(公告)号：US20130321086A1

    公开(公告)日：2013-12-05

    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 ,  G05F3/02

    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。

    Communications circuit for reducing crosstalk
    5.
    发明授权
    Communications circuit for reducing crosstalk 有权
    用于减少串扰的通信电路

    公开(公告)号：US08559620B2

    公开(公告)日：2013-10-15

    申请号：US13177904

    申请日：2011-07-07

    申请人： Jun Goo Won ,  Youn Suk Kim ,  Ki Joong Kim ,  Jae Hyouck Choi ,  Young Jean Song

    发明人： Jun Goo Won ,  Youn Suk Kim ,  Ki Joong Kim ,  Jae Hyouck Choi ,  Young Jean Song

    IPC分类号： H04M1/76 ,  H02J1/00 ,  H03H7/38

    CPC分类号： H03F3/24 ,  H03F3/195 ,  H03F2200/111 ,  H03F2200/541 ,  Y10T307/398

    摘要： There is provided a communications circuit for reducing crosstalk. The communications circuit for reducing crosstalk may include: a conductive power supply pattern supplying driving power applied from the outside; a first transformer implemented as an integrated passive device (IPD) type having a first input conductive line receiving a first signal of a low-frequency band received from a first power amplifier and a first output conductive line close to the first input conductive line and electromagnetically coupled with the first input conductive line, and receiving the driving power supplied from the conductive power supply pattern through a terminal formed on the first input conductive line; and a second transformer implemented as the IPD type having a second input conductive line receiving a second signal of a high-frequency band received from a second power amplifier and a second output conductive line close to the second input conductive line and electromagnetically coupled with the second input conductive line, and receiving the driving power supplied from the conductive power supply pattern through a terminal formed on the second input conductive line, and the conductive power supply pattern may include an inductor component. Therefore, crosstalk between the low-frequency band and the high-frequency band can be reduced.

    摘要翻译： 提供了用于减少串扰的通信电路。 用于减少串扰的通信电路可以包括：提供从外部施加的驱动电力的导电电源图案; 实现为集成无源器件（IPD）类型的第一变压器，其具有接收从第一功率放大器接收的低频带的第一信号的第一输入导线和靠近第一输入导线的第一输出导线，并且以电磁方式 耦合第一输入导线，并且通过形成在第一输入导线上的端子接收从导电电源图案提供的驱动电力; 以及实现为IPD类型的第二变压器，其具有接收从第二功率放大器接收的高频带的第二信号的第二输入导线和靠近第二输入导线并与第二输入导线电磁耦合的第二输出导线 输入导线，并且通过形成在第二输入导线上的端子接收从导电电源图案提供的驱动电力，并且导电电源图案可以包括电感器部件。 因此，可以降低低频带与高频带之间的串扰。

    Power amplifier
    6.
    发明授权
    Power amplifier 失效
    功率放大器

    公开(公告)号：US08242846B2

    公开(公告)日：2012-08-14

    申请号：US13012295

    申请日：2011-01-24

    申请人： Ki Joong Kim ,  Youn Suk Kim ,  Young Jean Song ,  Jae Hyouck Choi ,  Jun Goo Won

    发明人： Ki Joong Kim ,  Youn Suk Kim ,  Young Jean Song ,  Jae Hyouck Choi ,  Jun Goo Won

    IPC分类号： H03F3/68

    CPC分类号： H03F1/22 ,  H03F3/68

    摘要： There is provided a power amplifier capable of improving harmonics characteristics of an output signal of an amplifier circuit by compensating a phase of the output signal. A power amplifier according to an aspect of the invention may include: an amplification section having a plurality of amplification units each amplifying a radio frequency (RF) signal according to a gain being controlled; a phase correction section performing phase correction by removing harmonic components of respective output signals from the plurality of amplification units of the amplification section; and a coupling section coupling the respective output signals phase-corrected by the phase correction section.

    摘要翻译： 提供了能够通过补偿输出信号的相位来改善放大器电路的输出信号的谐波特性的功率放大器。 根据本发明的一个方面的功率放大器可以包括：放大部分，具有多个放大单元，每个放大单元根据被控制的增益放大射频（RF）信号; 相位校正部，通过从放大部的多个放大部除去各输出信号的谐波分量来进行相位校正; 以及耦合部分，其耦合由相位校正部分相位校正的各个输出信号。

    Transformer capable of removing harmonic components
    7.
    发明授权
    Transformer capable of removing harmonic components 有权
    变压器能够去除谐波成分

    公开(公告)号：US08203399B2

    公开(公告)日：2012-06-19

    申请号：US12504196

    申请日：2009-07-16

    申请人： Ki Joong Kim ,  Hyo Gun Bae ,  Joong Jin Nam ,  Jun Goo Won ,  Young Jean Song ,  Youn Suk Kim

    发明人： Ki Joong Kim ,  Hyo Gun Bae ,  Joong Jin Nam ,  Jun Goo Won ,  Young Jean Song ,  Youn Suk Kim

    IPC分类号： H03H7/01

    CPC分类号： H03H7/42 ,  H03F3/211 ,  H03F3/45475 ,  H03F2200/537 ,  H03F2200/541 ,  H03H7/0115 ,  H03H7/1783 ,  H03H7/1791

    摘要： A transformer includes at least one input conductive line having both ends provided as input ports of a positive (+) signal and a negative (−) signal, respectively, one output conductive line disposed adjacent to the at least one input conductive line to be electromagnetically coupled to the at least one input conductive line, and having a first end connected to a ground, a first resonator disposed between a second end of the output conductive line and the ground, a second resonator having a first end connected to the second end of the output conductive line and a second end provided as an output port, and a third resonator connected in series between the first end of the output conductive line and the ground.

    摘要翻译： 变压器包括至少一个输入导线，其两端分别被提供为正（+）信号和负（ - ）信号的输入端，一个输出导线与所述至少一个输入导线邻近设置成电磁地 耦合到所述至少一个输入导线，并且具有连接到地的第一端，设置在所述输出导线的第二端和所述地之间的第一谐振器，第二谐振器，其第一端连接到所述第二端 输出导线和设置为输出端口的第二端，以及串联连接在输出导线的第一端和地之间的第三谐振器。

    POWER AMPLIFIER
    8.
    发明申请
    POWER AMPLIFIER 失效
    功率放大器

    公开(公告)号：US20110215865A1

    公开(公告)日：2011-09-08

    申请号：US12770625

    申请日：2010-04-29

    申请人： Joong Jin NAM ,  Youn Suk Kim ,  Hyo Gun Bae ,  Jae Hyouck Choi ,  Jun Goo Won ,  Young Jean Song ,  Ki Joong Kim ,  Sang Hee Kim

    发明人： Joong Jin NAM ,  Youn Suk Kim ,  Hyo Gun Bae ,  Jae Hyouck Choi ,  Jun Goo Won ,  Young Jean Song ,  Ki Joong Kim ,  Sang Hee Kim

    IPC分类号： H03F3/68

    CPC分类号： H03F3/68

    摘要： Disclosed herein is a power amplifier. The power amplifier includes N power amplification means, a transformer, and a harmonic elimination unit. Each of the N power amplification means amplifies an input signal into a predetermined level. The transformer includes N/2 primary windings respectively connected to the output terminals of the power amplification means and a secondary winding configured such that coil elements are connected in series between an output terminal and a ground, and sums power transmitted from the primary windings. The harmonic elimination unit is disposed across both ends of the secondary winding of the transformer, and eliminates the output of the harmonic frequencies of a preset frequency.

    摘要翻译： 这里公开了功率放大器。 功率放大器包括N个功率放大装置，变压器和谐波消除单元。 N个功率放大装置中的每一个将输入信号放大到预定水平。 变压器包括分别连接到功率放大装置的输出端子的N / 2个初级绕组和被配置为使得线圈元件串联连接在输出端子和地之间的次级绕组，并且对从初级绕组传递的功率求和。 谐波消除单元设置在变压器的次级绕组的两端，并且消除了预设频率的谐波频率的输出。

    POWER AMPLIFIER MODULE WITH SHARED ESD PROTECTION CIRCUIT
    10.
    发明申请
    POWER AMPLIFIER MODULE WITH SHARED ESD PROTECTION CIRCUIT 有权
    具有共用ESD保护电路的功率放大器模块

    公开(公告)号：US20120044604A1

    公开(公告)日：2012-02-23

    申请号：US13177001

    申请日：2011-07-06

    申请人： Ki Joong KIM ,  Youn Suk Kim ,  Dae Seok Jang ,  Young Jean Song ,  Jun Goo Won

    发明人： Ki Joong KIM ,  Youn Suk Kim ,  Dae Seok Jang ,  Young Jean Song ,  Jun Goo Won

    IPC分类号： H02H9/04

    CPC分类号： H03F1/52 ,  H01L2224/48137 ,  H01L2224/49111

    摘要： Disclosed is a power amplifier module with a shared ESD protection circuit. There is provided a power amplifier module including: an ESD protection circuit that is connected to an output terminal of the LDO part, an output conductive wire pad that outputs the operating power of the LDO part; a printed conductive wire pad that is electrically connected to the output conductive wire pad of the PA controller; a first power coupler that includes a first primary side conductive wire electrically connected to the printer conductive wire pad; a second power coupler that includes a second primary side conductive wire electrically connected to the printer conductive wire pad; a first PA part; and a second PA part, wherein each of the first PA part and the second PA part is protected from ESD by the ESD protection circuit.

    摘要翻译： 公开了具有共享ESD保护电路的功率放大器模块。 提供了一种功率放大器模块，包括：连接到LDO部分的输出端子的ESD保护电路，输出LDO部分的工作电力的输出导线焊盘; 印刷的导线焊盘，其电连接到所述PA控制器的所述输出导线焊盘; 第一功率耦合器，包括电连接到打印机导电焊盘的第一初级侧导线; 第二功率耦合器，包括电连接到打印机导电焊盘的第二初级侧导线; 第一个PA部分; 和第二PA部分，其中第一PA部分和第二PA部分中的每一个被ESD保护电路保护免受ESD。