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21. 发明授权

US08736376B2 Power amplifier module having bias circuit 有权
标题翻译：功率放大器模块具有偏置电路
公开(公告)号：US08736376B2
公开(公告)日：2014-05-27
申请号：US13444491
申请日：2012-04-11
申请人： Gyu Suck Kim , Yoo Sam Na
发明人： Gyu Suck Kim , Yoo Sam Na
IPC分类号： H03F3/21
CPC分类号： H03F1/304
摘要： There is provided a power amplifier module having a bias circuit, in which a bias power is supplied to an amplifier by differently setting an impedance between an input signal terminal and a reference power terminal and an impedance between the input signal terminal and a ground. The power amplifier module includes: an amplifier unit receiving a bias power to amplify an input signal; and a bias unit supplying the bias power to the amplifier, by differently setting an impedance between an input signal terminal transmitting the input signal therethrough and a reference power terminal transmitting a reference power having a predetermined voltage level and an impedance between the input signal terminal and a ground.
摘要翻译：提供了一种具有偏置电路的功率放大器模块，其中通过不同地设置输入信号端子和参考电源端子之间的阻抗以及输入信号端子和地之间的阻抗来将偏置功率提供给放大器。功率放大器模块包括：放大器单元，接收偏置功率以放大输入信号; 以及偏置单元，通过不同地设置发送所述输入信号的输入信号端之间的阻抗和发送具有预定电压电平的参考功率的参考电源端子和所述输入信号端子和一个地面。

22. 发明授权

US08531243B2 Bias controlling apparatus 有权
标题翻译：偏压控制装置
公开(公告)号：US08531243B2
公开(公告)日：2013-09-10
申请号：US13370227
申请日：2012-02-09
申请人： Hyun Hwan Yoo , Yoo Hwan Kim , Yoo Sam Na
发明人： Hyun Hwan Yoo , Yoo Hwan Kim , Yoo Sam Na
IPC分类号： H03F3/04
CPC分类号： H03F1/301 , H03F3/193 , H03F3/245 , H03F2200/447 , H03F2200/555
摘要： The present invention includes: a temperature compensation circuit for generating a digital signal corresponding to a temperature of a transistor and outputting a compensation bias current obtained by adding a control current to a reference bias current or by subtracting the control signal from the reference bias current using the generated digital signal; a characteristics compensation circuit for detecting a characteristics error of a mirror transistor connected to the transistor in parallel and for outputting a compensation signal to compensate the characteristics error; and a bias compensation circuit for compensating a bias power applied to the transistor using the compensation bias current and the compensation signal to output the compensated bias power. The present invention is capable of improving the performance of the transistor.
摘要翻译：本发明包括：温度补偿电路，用于产生对应于晶体管的温度的数字信号，并输出通过将控制电流加到参考偏置电流而获得的补偿偏置电流，或者通过使用生成的数字信号; 特性补偿电路，用于并联检测连接到晶体管的反射镜晶体管的特性误差，并输出补偿信号以补偿特性误差; 以及偏置补偿电路，用于使用补偿偏置电流和补偿信号来补偿施加到晶体管的偏置功率，以输出补偿的偏置功率。本发明能够提高晶体管的性能。

23. 发明申请

US20120299657A1 MULTI-MODE POWER AMPLIFIER 有权
标题翻译：多模式功率放大器
公开(公告)号：US20120299657A1
公开(公告)日：2012-11-29
申请号：US13279953
申请日：2011-10-24
申请人： Bon Hoon KOO , Byeong Hak Jo , Ki Yong Son , Yoo Sam Na , Song Cheol Hong
发明人： Bon Hoon KOO , Byeong Hak Jo , Ki Yong Son , Yoo Sam Na , Song Cheol Hong
IPC分类号： H03F3/68 , H03F1/22
CPC分类号： H03F1/223 , H03F1/0277 , H03F3/195 , H03F3/245 , H03F3/72 , H03F2200/18 , H03F2200/222 , H03F2200/318 , H03F2200/387 , H03F2200/411 , H03F2200/516 , H03F2200/541 , H03F2203/7221 , H03F2203/7236
摘要： There is provided a multi-mode power amplifier operable in a low power mode having a preset power range and in a high power mode having a power range higher than the power range of the low power mode. The multi-mode power amplifier includes: a high power amplifying unit including at least one cascode amplifier to amplify an input signal to a high power level having a preset power range; a low power amplifying unit sharing a common source node of the at least one cascode amplifier to amplify the input signal to a low power level having a power range lower than the high power level; and a coupling unit coupling a transfer path of a signal output from the high power amplifying unit and a transfer path of a signal output from the low power amplifying unit to each other.
摘要翻译：提供了一种可在具有预设功率范围的低功率模式下工作的多模式功率放大器和功率范围高于低功率模式的功率范围的高功率模式。多模式功率放大器包括：高功率放大单元，包括至少一个共源共栅放大器，用于将输入信号放大到具有预设功率范围的高功率电平; 共享所述至少一个共源共栅放大器的公共源节点的低功率放大单元，以将所述输入信号放大到功率范围低于所述高功率电平的低功率电平; 以及耦合单元，耦合从高功率放大单元输出的信号的传输路径和从低功率放大单元输出的信号的传送路径。

24. 发明授权

US08143950B2 Power amplifier break down characteristic 有权
标题翻译：功率放大器分解特性
公开(公告)号：US08143950B2
公开(公告)日：2012-03-27
申请号：US12712071
申请日：2010-02-24
申请人： Hyeon Seok Hwang , Yoo Sam Na , Moon Suk Jeong , Gyu Suck Kim , Byeong Hak Jo
发明人： Hyeon Seok Hwang , Yoo Sam Na , Moon Suk Jeong , Gyu Suck Kim , Byeong Hak Jo
IPC分类号： H03F1/52 , H03F1/22
CPC分类号： H03F1/223
摘要： Disclosed herein is a power amplifier. The power amplifier includes a first common source transistor for amplifying an input signal into a predetermined level, a second common source transistor for compensating for input capacitance and performing auxiliary amplification for the first common source transistor, and a common gate transistor connected to the first common source transistor in a cascode structure, configured to be connected in parallel to the second common source transistor and prevent the first common source transistor from breaking down, and configured to output a signal amplified by a value obtained by adding the gain of the first common source transistor and the gain of the second common source transistor to each other.
摘要翻译：这里公开了功率放大器。功率放大器包括用于将输入信号放大到预定电平的第一公共源极晶体管，用于补偿输入电容并对第一公共源晶体管执行辅助放大的第二公共源极晶体管，以及连接到第一公共栅极晶体管的公共栅极晶体管源极晶体管，其被配置为并联连接到第二公共源极晶体管，并且防止第一公共源极晶体管分解，并且被配置为输出通过将第一公共源的增益相加而获得的值放大的信号晶体管和第二公共源极晶体管的增益。

25. 发明授权

US08031002B2 Buffer amplifier 有权
标题翻译：缓冲放大器
公开(公告)号：US08031002B2
公开(公告)日：2011-10-04
申请号：US12504127
申请日：2009-07-16
申请人： Byeong Hak Jo , Yoo Sam Na , Yoo Hwan Kim
发明人： Byeong Hak Jo , Yoo Sam Na , Yoo Hwan Kim
IPC分类号： H03F3/26
CPC分类号： H03F1/301 , H03F3/3028 , H03F2200/18 , H03F2200/447
摘要： A buffer amplifier has high input impedance and is less affected by temperature by supplying independent bias power to each of amplification units. The buffer amplifier includes a bias supply unit supplying bias power having a preset voltage level, an amplification unit receiving preset driving power and the bias power from the bias supply unit to amplify an input signal, and a compensation unit compensating for current unbalance of the driving power supplied to the amplification unit.
摘要翻译：缓冲放大器具有高输入阻抗，并且通过向每个放大单元提供独立的偏置功率而受温度影响较小。缓冲放大器包括提供具有预设电压电平的偏置功率的偏置电源单元，接收预设驱动功率的放大单元和来自偏置电源单元的偏置功率以放大输入信号;以及补偿单元，用于补偿电流的当前不平衡提供给放大单元的功率。

26. 发明授权

US07956692B2 Wide-band amplifier circuit with improved gain flatness 有权
标题翻译：宽带放大器电路具有改善的增益平坦度
公开(公告)号：US07956692B2
公开(公告)日：2011-06-07
申请号：US12620151
申请日：2009-11-17
申请人： Moon Suk Jeong , Yoo Sam Na
发明人： Moon Suk Jeong , Yoo Sam Na
IPC分类号： H03F3/191
CPC分类号： H03F1/42 , H03F2200/36
摘要： There is provided a wide-band amplifier circuit with improved gain flatness. The wide-band amplifier circuit includes a first resonant load unit connected to an operating power terminal, providing a preset first load, and forming a preset first resonant point, a second resonant load unit connected to the operating power terminal, providing a preset second load, and forming a second resonant point set to a frequency different from the first resonant point; a first amplification unit receiving operating power via the first load of the first resonant load unit, having an amplification band characteristic determined according to the first resonant point of the first resonant load unit, and amplifying an input signal; and a second amplification unit receiving operating power via the second load, having an amplification band characteristic determined according to the second resonant point, and amplifying an input signal from the first amplification unit.
摘要翻译：提供了具有改善的增益平坦度的宽带放大器电路。宽带放大器电路包括连接到工作电源端子的第一谐振负载单元，提供预设的第一负载，以及形成预设的第一谐振点，连接到工作电源端子的第二谐振负载单元，提供预设的第二负载并且形成设置成与所述第一谐振点不同的频率的第二谐振点; 第一放大单元，经由所述第一谐振负载单元的第一负载接收具有根据所述第一谐振负载单元的所述第一谐振点确定的放大带特性并且放大输入信号的工作电力; 以及第二放大单元，经由所述第二负载接收工作电力，具有根据所述第二谐振点确定的放大频带特性，以及放大来自所述第一放大单元的输入信号。

27. 发明申请

US20090124221A1 DUAL BAND RECEIVER 有权
标题翻译：双带接收器
公开(公告)号：US20090124221A1
公开(公告)日：2009-05-14
申请号：US12191775
申请日：2008-08-14
申请人： Sang Do CHO , Sang Hyun Cho , Jin Ho Ko , Hak Sun Kim , Yoo Sam Na
发明人： Sang Do CHO , Sang Hyun Cho , Jin Ho Ko , Hak Sun Kim , Yoo Sam Na
IPC分类号： H04B7/08
CPC分类号： G01S19/33
摘要： There is provided a dual band receiver receiving frequency signals in different bands, the receiver including: a first down converter converting a first band signal into a first intermediate frequency signal; a second down converter converting a second band signal into a second intermediate frequency signal; a first voltage control oscillator supplying a first oscillation frequency to the first down converter; a second voltage control oscillator supplying a second oscillation frequency to the second down converter; a first filter passing the first intermediate frequency signal within a desired bandwidth; a second filter passing the second intermediate frequency signal within a desired bandwidth; and a clock generator converting the first oscillation frequency of the first voltage control oscillator into sampling frequencies corresponding to integer multiples of first and second oscillation frequencies and supplying the sampling frequencies to first and second AD converters, respectively.
摘要翻译：提供接收不同频带的频率信号的双频带接收机，该接收机包括：第一下变换器，将第一频带信号转换为第一中频信号; 将第二频带信号转换成第二中频信号的第二降压转换器; 向第一下变频器提供第一振荡频率的第一压控振荡器; 向第二下变频器提供第二振荡频率的第二压控振荡器; 第一滤波器，在所需带宽内通过所述第一中频信号; 第二滤波器，将第二中频信号通过期望的带宽; 以及时钟发生器，将第一压控振荡器的第一振荡频率转换成与第一和第二振荡频率的整数倍相对应的采样频率，并将采样频率分别提供给第一和第二AD转换器。

28. 发明授权

US08803607B2 Power amplifier 有权
标题翻译：功率放大器
公开(公告)号：US08803607B2
公开(公告)日：2014-08-12
申请号：US13407382
申请日：2012-02-28
申请人： Ki Yong Son , Gyu Suck Kim , Yoo Sam Na , Song Cheol Hong , Bon Hoon Koo
发明人： Ki Yong Son , Gyu Suck Kim , Yoo Sam Na , Song Cheol Hong , Bon Hoon Koo
IPC分类号： H03F1/26
CPC分类号： H03F1/3241 , H03F3/211 , H03F2200/336 , H03F2200/408
摘要： There is provided a power amplifier capable of increasing linear output power and efficiency without sacrificing an overall gain by employing a vector modulation function in a driving stage, with no separate vector modulator. The power amplifier includes a driving stage performing vector-modulation on an input RF signal to provide an I channel signal and a Q channel signal having different phases and amplifying the I channel signal and the Q channel signal to set gains; and a power stage amplifying power levels of the signals amplified by the driving stage.
摘要翻译：提供了一种功率放大器，其能够通过在驱动级中采用矢量调制功能而不牺牲整体增益来提高线性输出功率和效率，而没有单独的矢量调制器。功率放大器包括对输入RF信号执行向量调制以提供I信道信号和具有不同相位的Q信道信号的驱动级，并且放大I信道信号和Q信道信号以设置增益; 以及功率级放大由驱动级放大的信号的功率电平。

29. 发明申请

US20130082777A1 BIAS CONTROLLING APPARATUS 有权
标题翻译：偏差控制装置
公开(公告)号：US20130082777A1
公开(公告)日：2013-04-04
申请号：US13370227
申请日：2012-02-09
申请人： Hyun Hwan Yoo , Yoo Hwan Kim , Yoo Sam Na
发明人： Hyun Hwan Yoo , Yoo Hwan Kim , Yoo Sam Na
IPC分类号： H03F3/45
CPC分类号： H03F1/301 , H03F3/193 , H03F3/245 , H03F2200/447 , H03F2200/555
摘要： The present invention includes: a temperature compensation circuit for generating a digital signal corresponding to a temperature of a transistor and outputting a compensation bias current obtained by adding a control current to a reference bias current or by subtracting the control signal from the reference bias current using the generated digital signal; a characteristics compensation circuit for detecting a characteristics error of a mirror transistor connected to the transistor in parallel and for outputting a compensation signal to compensate the characteristics error; and a bias compensation circuit for compensating a bias power applied to the transistor using the compensation bias current and the compensation signal to output the compensated bias power. The present invention is capable of improving the performance of the transistor.
摘要翻译：本发明包括：温度补偿电路，用于产生对应于晶体管的温度的数字信号，并输出通过将控制电流加到参考偏置电流而获得的补偿偏置电流，或者通过使用生成的数字信号; 特性补偿电路，用于并联检测连接到晶体管的反射镜晶体管的特性误差，并输出补偿信号以补偿特性误差; 以及偏置补偿电路，用于使用补偿偏置电流和补偿信号来补偿施加到晶体管的偏置功率，以输出补偿的偏置功率。本发明能够提高晶体管的性能。

30. 发明申请

US20120286877A1 POWER AMPLIFIER 有权
标题翻译：功率放大器
公开(公告)号：US20120286877A1
公开(公告)日：2012-11-15
申请号：US13272882
申请日：2011-10-13
申请人： Bon Hoon KOO , Byeong Hak Jo , Ki Yong Son , Yoo Sam Na , Song Cheol Hong
发明人： Bon Hoon KOO , Byeong Hak Jo , Ki Yong Son , Yoo Sam Na , Song Cheol Hong
IPC分类号： H03F1/22 , H03F3/04
CPC分类号： H03F1/223 , H03F1/565 , H03F3/193 , H03F3/45188 , H03F2203/45621 , H03F2203/45658
摘要： There is provided a power amplifier including an amplifying unit having at least two cascode amplifiers connected in parallel to amplify an input signal; and a bias supply unit supplying bias power to a common gate node of the two cascode amplifiers, and removing a signal of a pre-set frequency band corresponding to a baseband at the common gate node by controlling impedance of the common gate node.
摘要翻译：提供了一种功率放大器，包括具有并联连接的至少两个共源共栅放大器的放大单元，以放大输入信号; 以及偏置电源单元，其向所述两个共源共栅放大器的公共栅极节点提供偏置功率，以及通过控制所述公共栅极节点的阻抗来去除在所述公共栅极节点处与基带相对应的预置频带的信号。

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