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：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：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。

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。

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。

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：US08416545B2

公开(公告)日：2013-04-09

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： H02H9/00

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。

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。