公开(公告)号：US08482355B2

公开(公告)日：2013-07-09

申请号：US13223738

申请日：2011-09-01

申请人： Byeong Hak Jo ,  Yoo Sam Na ,  Hyeon Seok Hwang ,  Moon Suk Jeong ,  Gyu Suck Kim ,  Moon Sun Kim

发明人： Byeong Hak Jo ,  Yoo Sam Na ,  Hyeon Seok Hwang ,  Moon Suk Jeong ,  Gyu Suck Kim ,  Moon Sun Kim

IPC分类号： H03F1/22

CPC分类号： H03F1/3205 ,  H03F1/223 ,  H03F3/211 ,  H03F2200/108 ,  H03F2200/18

摘要： There is provided a complementary metal oxide semiconductor (CMOS) power amplifier including: a load unit connected between an operating voltage supply terminal and an output terminal; an amplifying unit formed as a cascode structure between the load unit and a ground, amplifying a power of an input signal input through an input terminal and outputting the amplified signal through an output terminal; and a threshold voltage control unit varying a threshold voltage of the amplifying unit according to a magnitude of the input signal input through the input terminal.

摘要翻译： 提供了一种互补金属氧化物半导体（CMOS）功率放大器，包括：连接在工作电压源端子和输出端子之间的负载单元; 放大单元，其形成为负载单元和地之间的共源共栅结构，放大通过输入端输入的输入信号的功率，并通过输出端输出放大的信号; 以及阈值电压控制单元，根据通过输入端子输入的输入信号的大小来改变放大单元的阈值电压。

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。

公开(公告)号：US08354883B2

公开(公告)日：2013-01-15

申请号：US13024144

申请日：2011-02-09

申请人： Bon Hoon Koo ,  Ki Yong Son ,  Song Cheol Hong ,  Gyu Suck Kim ,  Yoo Sam Na

发明人： Bon Hoon Koo ,  Ki Yong Son ,  Song Cheol Hong ,  Gyu Suck Kim ,  Yoo Sam Na

IPC分类号： H03G3/20

CPC分类号： H03F1/0266 ,  H03F3/195 ,  H03F2200/105 ,  H03F2200/555

摘要： There is provided a power amplifier capable of supplying variable bias to an amplifier circuit by accurately transferring the envelope components of an input signal during the supply of active bias power to the amplifier circuit. The power amplifier includes: an envelope detector detecting an envelope of an input signal; a bias power generator including at least one P-type MOSFET and one N-type MOSFET connected to each other in an inverter manner between a driving power terminal supplying driving power having a preset voltage level and a reference bias power terminal supplying preset reference bias power to generate bias power varied according to detection results from the envelope detector; and an amplifier amplifying the input signal according to the bias power level from the bias power generator.

摘要翻译： 提供了一种功率放大器，其能够通过在将有源偏置功率提供给放大器电路期间精确地传送输入信号的包络分量来向放大器电路提供可变偏置。 功率放大器包括：检测输入信号的包络的包络检测器; 一个偏置功率发生器，它包括至少一个P型MOSFET和一个N型MOSFET，它们以一个反相器的方式相互连接，驱动电源端子提供具有预设电压电平的驱动电源和一个提供预设参考偏置功率的参考偏置电源端子 以产生根据来自包络检测器的检测结果而变化的偏置功率; 以及根据偏置功率发生器的偏置功率电平放大输入信号的放大器。

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。

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。

公开(公告)号：US07679543B2

公开(公告)日：2010-03-16

申请号：US12200923

申请日：2008-08-28

申请人： Kyoung Seok Park ,  Nam Heung Kim ,  Gyu Suck Kim

发明人： Kyoung Seok Park ,  Nam Heung Kim ,  Gyu Suck Kim

IPC分类号： H03M1/12

CPC分类号： H03M1/804 ,  H03D7/14 ,  H03D2200/006 ,  H03D2200/0074 ,  H03D2200/0086

摘要： Provided is a current sampling mixer that can be applied to a broadband broadcasting system. The current sampling mixer can change a structure of a current sampler including a plurality of capacitors to select and sum capacitors having a weight value given in the output, thereby performing a finite impulse response filter function and a harmonic rejection function.

摘要翻译： 提供了可以应用于宽带广播系统的电流采样混频器。 电流采样混频器可以改变包括多个电容器的电流采样器的结构，以选择和求和输出中给出的权重值的电容器，从而执行有限脉冲响应滤波器功能和谐波抑制功能。

公开(公告)号：US20100073081A1

公开(公告)日：2010-03-25

申请号：US12394677

申请日：2009-02-27

申请人： Yo Sub MOON ,  Jeong Ki Choi ,  Yoo Hwan Kim ,  Gyu Suck Kim ,  Kyoung Seok Park

发明人： Yo Sub MOON ,  Jeong Ki Choi ,  Yoo Hwan Kim ,  Gyu Suck Kim ,  Kyoung Seok Park

IPC分类号： H03K5/00

CPC分类号： H03H11/1291

摘要： An integrated tracking filter includes: an amplifying unit having first to third terminals, the first terminal being connected to an input stage and the second terminal being connected to an output stage, and amplifying a signal from the input stage; a loading unit connected between a power source stage and the second terminal of the amplifying unit; a current source connected between the third terminal of the amplifying unit and a ground; and a switched LC filter unit connected between the third terminal of the amplifying unit and the ground and varying a pass band of the signal.

摘要翻译： 集成跟踪滤波器包括：放大单元，具有第一至第三端子，第一端子连接到输入级，第二端子连接到输出级，并且放大来自输入级的信号; 连接在电源级与放大单元的第二端子之间的负载单元; 连接在放大单元的第三端子与地之间的电流源; 以及连接在放大单元的第三端子和地之间并改变信号的通带的开关LC滤波器单元。

公开(公告)号：US20090251350A1

公开(公告)日：2009-10-08

申请号：US12200923

申请日：2008-08-28

申请人： Kyoung Seok Park ,  Nam Heung Kim ,  Gyu Suck Kim

发明人： Kyoung Seok Park ,  Nam Heung Kim ,  Gyu Suck Kim

IPC分类号： H03M1/12

CPC分类号： H03M1/804 ,  H03D7/14 ,  H03D2200/006 ,  H03D2200/0074 ,  H03D2200/0086

摘要： Provided is a current sampling mixer that can be applied to a broadband broadcasting system. The current sampling mixer can change a structure of a current sampler including a plurality of capacitors to select and sum capacitors having a weight value given in the output, thereby performing a finite impulse response filter function and a harmonic rejection function.

摘要翻译： 提供了可以应用于宽带广播系统的电流采样混频器。 电流采样混频器可以改变包括多个电容器的电流采样器的结构，以选择和求和输出中给出的权重值的电容器，从而执行有限脉冲响应滤波器功能和谐波抑制功能。

公开(公告)号：US07463100B2

公开(公告)日：2008-12-09

申请号：US11549046

申请日：2006-10-12

申请人： Yoo Hwan Kim ,  Ki Sung Kwon ,  Soo Woong Lee ,  Jin Taek Lee ,  Yo Sub Moon ,  Sung Cheol Shin ,  Gyu Suck Kim

发明人： Yoo Hwan Kim ,  Ki Sung Kwon ,  Soo Woong Lee ,  Jin Taek Lee ,  Yo Sub Moon ,  Sung Cheol Shin ,  Gyu Suck Kim

IPC分类号： H03L7/00

CPC分类号： H03L7/087 ,  H03D13/003 ,  H03D13/004 ,  H03L7/085 ,  H03L7/18

摘要： A phase frequency detector for improving in-band phase noise characteristics of a PLL is disclosed. The phase frequency detector compares a reference frequency with a division frequency created by dividing an output frequency of a voltage controlled oscillator (VCO) by a predetermined division ratio, creates a phase-difference signal corresponding to a phase difference between the reference frequency and the division frequency, and improves noise characteristics.

摘要翻译： 公开了一种用于改善PLL的带内相位噪声特性的相位频率检测器。 相位频率检测器将参考频率与通过将压控振荡器（VCO）的输出频率除以预定分频比而产生的分频，将与基准频率和分频之间的相位差相对应的相位差信号进行比较 频率，并改善噪声特性。