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1. 发明授权

US08917145B2 Amplifier circuit and operating method thereof 有权
标题翻译：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。

2. 发明申请

US20130207728A1 AMPLIFIER CIRCUIT AND OPERATING METHOD THEREOF 有权
标题翻译：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。

3. 发明申请

US20130321086A1 BIAS CIRCUIT AND POWER AMPLIFIER HAVING THE SAME 有权
标题翻译：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。

4. 发明授权

US08183919B2 Power amplifier 有权
标题翻译：功率放大器
公开(公告)号：US08183919B2
公开(公告)日：2012-05-22
申请号：US12823489
申请日：2010-06-25
申请人： Young Jean Song , Shinichi Iizuka , Youn Suk Kim , Hyo Kun Bae , Sang Hee Kim , Jun Goo Won , Joong Jin Nam , Ki Joong Kim , Jae Hyouck Choi
发明人： Young Jean Song , Shinichi Iizuka , Youn Suk Kim , Hyo Kun Bae , Sang Hee Kim , Jun Goo Won , Joong Jin Nam , Ki Joong Kim , Jae Hyouck Choi
IPC分类号： H03F3/45
CPC分类号： H03F3/245 , H03F1/0205 , H03F3/193 , H03F3/3022 , H03F3/3044 , H03F3/45179 , H03F2200/222 , H03F2200/318 , H03F2200/387 , H03F2200/408 , H03F2200/451 , H03F2203/45481 , H03F2203/45621
摘要： A power amplifier includes an inverter amplification section configured to amplify AC components and remove DC components from at least one input signal, an impedance matching section configured to match an impedance of a transmission path of the at least one input signal amplified by the inverter amplification section, and an amplification section configured to amplify an impedance-matched signal from the impedance matching section according to a predetermined gain. The inverter amplification section includes at least one P-channel metal-oxide semiconductor field effect transistor (MOS FET) having a gate configured to receive the at least one input signal and at least one N-channel MOS FET having a gate configured to receive the at least one input signal. The at least one P-channel MOS FET and the at least one N-channel MOS FET are serially connected.
摘要翻译：功率放大器包括反相器放大部分，被配置为放大AC分量并从至少一个输入信号中去除DC分量;阻抗匹配部分，被配置为匹配由反相器放大部分放大的至少一个输入信号的传输路径的阻抗以及放大部，被配置为根据预定增益放大来自阻抗匹配部的阻抗匹配信号。反相器放大部分包括至少一个具有被配置为接收至少一个输入信号的栅极的P沟道金属氧化物半导体场效应晶体管（MOS FET），以及至少一个具有栅极的N沟道MOS FET，其被配置为接收至少一个输入信号。至少一个P沟道MOS FET和至少一个N沟道MOS FET串联。

5. 发明授权

US08854142B2 Bias circuit and power amplifier having the same 有权
标题翻译：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。

6. 发明授权

US08629724B2 Power amplifier 有权
标题翻译：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。

7. 发明申请

US20120319779A1 TRANSFORMER AND CMOS POWER AMPLIFIER INCLUDING THE SAME 有权
标题翻译：变压器和CMOS功率放大器，包括它们
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。

8. 发明授权

US08022762B2 Multi-stage CMOS power amplifier 有权
标题翻译：多级CMOS功率放大器
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。

9. 发明授权

US08242846B2 Power amplifier 失效
标题翻译：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。

10. 发明授权

US08203399B2 Transformer capable of removing harmonic components 有权
标题翻译：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。

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