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。

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。

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。

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。

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。

公开(公告)号：US20120319779A1

公开(公告)日：2012-12-20

申请号：US13480394

申请日：2012-05-24

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

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

IPC分类号： H03F3/21 ,  H01F27/28

CPC分类号： H03F3/45475 ,  H01F27/2804 ,  H01F2027/2809 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541

摘要： Disclosed herein is a transformer including: a primary coil formed of a first conductor having a predetermined length and including a first end and second end for receiving a signal, wherein the first conductor is formed as a first loop; and a secondary coil that is coupled to the primary coil in an electromagnetic coupling, and is formed of a second conductor having a predetermined length and including a first end and a second end for outputting a signal, wherein the second conductor is formed as a second loop, wherein the primary coil and the secondary coil are stacked while crossing each other. Accordingly, power transformer efficiency may be increased.

摘要翻译： 本文公开了一种变压器，包括：初级线圈，其由具有预定长度的第一导体形成，并且包括用于接收信号的第一端和第二端，其中所述第一导体形成为第一环; 以及次级线圈，其以电磁耦合耦合到所述初级线圈，并且由具有预定长度的第二导体形成，并且包括用于输出信号的第一端和第二端，其中所述第二导体形成为第二导体 其中初级线圈和次级线圈彼此交叉堆叠。 因此，可以提高电力变压器效率。

公开(公告)号：US08022762B2

公开(公告)日：2011-09-20

申请号：US12823420

申请日：2010-06-25

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

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

IPC分类号： H03F1/00

CPC分类号： H03F3/45179 ,  H03F1/3205 ,  H03F3/193 ,  H03F3/245 ,  H03F3/3022 ,  H03F2200/411 ,  H03F2200/516 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541

摘要： There is provided a multi-stage CMOS power amplifier including: a driver amplifier having differential output terminals, inverting differential signals input through first and second input terminals and outputting the respective inverted signals through the differential output terminals; a transformer for power matching having a primary coil connected between the differential output terminals of the driver amplifier and a secondary coil coupled with the primary coil using electromagnetic induction, having a predetermined turns ratio to the primary coil, and connected to a direct current (DC) tuning voltage terminal; and a power amplifier power-amplifying differential signals passing through one end and the other end of the secondary coil of the transformer and outputting the respective power-amplified differential signals through first and second output terminals.

摘要翻译： 提供了一种多级CMOS功率放大器，包括：具有差分输出端的驱动放大器，通过第一和第二输入端输入的差分信号反相，并通过差分输出端输出各反相信号; 一种用于功率匹配的变压器，其具有连接在所述驱动放大器的差分输出端子之间的初级线圈和使用电磁感应耦合到所述初级线圈的次级线圈，所述次级线圈具有与所述初级线圈的预定匝数比，并且连接到直流 ）调谐电压端子; 以及功率放大器功率放大差分信号，其通过变压器的次级线圈的一端和另一端，并通过第一和第二输出端输出相应的功率放大差分信号。

公开(公告)号：US20120249262A1

公开(公告)日：2012-10-04

申请号：US13220229

申请日：2011-08-29

申请人： Ki Joong Kim ,  Youn Suk Kim ,  Jun Goo Won ,  Jae Hyouck Choi ,  Sang Wook Park ,  Chul Hwan Yoon

发明人： Ki Joong Kim ,  Youn Suk Kim ,  Jun Goo Won ,  Jae Hyouck Choi ,  Sang Wook Park ,  Chul Hwan Yoon

IPC分类号： H03H7/46 ,  H04B1/38 ,  H03F3/68

CPC分类号： H03H7/42 ,  H01L23/66 ,  H01L25/16 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2924/19107 ,  H03F3/211 ,  H03F3/602 ,  H03F2200/537 ,  H03F2200/541 ,  H03H7/48 ,  H05K1/165 ,  H01L2924/00014

摘要： There are provided a power combiner implemented by a printed circuit board, a power amplifying module having the same, and a signal transceiving module. The power combiner includes: a primary wiring unit formed on one surface of a printed circuit board, receiving a plurality of balance signals having positive balance signals and negative balance signals, and including a plurality of positive primary wirings and a plurality of negative primary wirings, wherein the plurality of positive primary wirings are spaced apart from each other by a predetermined interval, the plurality of negative primary wirings are spaced apart from each other by a predetermined interval, one ends of the plurality of positive primary wirings are connected in common to thereby receive the plurality of positive balance signals, one ends of the plurality of negative primary wirings are connected in common to thereby receive the plurality of negative balance signals, and the other ends of the plurality of positive primary wirings and the other ends of the plurality of negative primary wirings are connected to each other to thereby form a loop; and a secondary wiring unit formed on the other surface of the printed circuit board, and including a secondary wiring combining powers of the plurality of balance signals from the primary wirings forming the loop to thereby output a single end signal.

摘要翻译： 提供了由印刷电路板实现的功率组合器，具有该功率组合器的功率放大模块和信号收发模块。 功率组合器包括：形成在印刷电路板的一个表面上的主要布线单元，接收具有正平衡信号和负平衡信号的多个平衡信号，并且包括多个正的主布线和多个负的主布线， 其中所述多个正的主要布线彼此隔开预定的间隔，所述多个负的主布线彼此隔开预定的间隔，所述多个正的主布线的一端共同连接，从而 接收多个正平衡信号，多个负的主要布线的一端共同连接，从而接收多个负平衡信号，并且多个正的主布线的另一端和多个正平衡信号的另一端 负的主布线彼此连接，从而形成环路; 以及形成在印刷电路板的另一个表面上的辅助布线单元，并且包括从形成环路的主布线组合多个平衡信号的功率从而输出单端信号的次级布线。

公开(公告)号：US08253486B2

公开(公告)日：2012-08-28

申请号：US12790327

申请日：2010-05-28

申请人： Ki Joong Kim ,  Tae Joon Park ,  Young Jean Song ,  Jun Goo Won ,  Youn Suk Kim

发明人： Ki Joong Kim ,  Tae Joon Park ,  Young Jean Song ,  Jun Goo Won ,  Youn Suk Kim

IPC分类号： H03F1/00

CPC分类号： H03F3/211 ,  H01L23/552 ,  H01L23/645 ,  H01L23/66 ,  H01L24/48 ,  H01L2223/6677 ,  H01L2224/05554 ,  H01L2224/48137 ,  H01L2924/00014 ,  H01L2924/19051 ,  H01L2924/3011 ,  H01L2924/3025 ,  H03F3/195 ,  H03F2200/537 ,  H03F2200/541 ,  H01L2924/00 ,  H01L2224/45099

摘要： There is provided a wireless apparatus having a shielding function for shielding signal interference between driving power from a power amplifier and a conductive wire of a coupler. The wireless apparatus having a shielding function, includes an amplifying unit receiving preset driving power and amplifying a radio frequency (RF) input signal according to a preset gain, an impedance matching unit including at least one coil, receiving the driving power from the amplifying unit, and matching the impedance of a path of a signal, amplified from the amplifying unit, through the coil, and a shielding unit eliminating signal interference between the coil and a transmission path of the driving power from the amplifying unit.

摘要翻译： 提供了一种具有屏蔽功能的无线设备，用于屏蔽来自功率放大器的驱动功率与耦合器的导线之间的信号干扰。 具有屏蔽功能的无线装置包括放大单元，接收预设的驱动功率并根据预设的增益放大射频（RF）输入信号;阻抗匹配单元，包括至少一个线圈，从放大单元接收驱动功率 并且将从放大单元放大的信号的路径的阻抗与线圈匹配，以及屏蔽单元，消除线圈与来自放大单元的驱动功率的传输路径之间的信号干扰。

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。