公开(公告)号：US06693493B2

公开(公告)日：2004-02-17

申请号：US10051290

申请日：2002-01-22

申请人： Bonkee Kim ,  Ilku Nam ,  Kwyro Lee

发明人： Bonkee Kim ,  Ilku Nam ,  Kwyro Lee

IPC分类号： H03F3191

CPC分类号： H03D7/1441 ,  H03D7/1466 ,  H03D2200/0023 ,  H03D2200/0043 ,  H03D2200/0088 ,  H03F1/223 ,  H03F2200/372

摘要： The present invention relates to circuits having differential structure which uses complementary devices for processing single-ended signal. The single-ended differential circuit in accordance with the present invention, comprises first and second complementary devices having first, second, and third terminals, respectively, wherein current flowing from the second terminal to the third terminal has its quantity and direction being varying in dependant on the voltage driven to the first terminal, wherein the currents flowing through the first and second complementary devices vary in opposite relationship. The single-ended differential circuit further comprises an input terminal for driving the first terminals of the first and second complementary devices with a control signal; and biasing means connected to the second and third terminals of the first and second devices, for determining biasing points of the first and second complementary devices such that the first and second devices operates in a differential relationship with respect to a signal driven to the input terminal, wherein the biasing means determining the biasing points such that one of the first and second devices is substantially active.

公开(公告)号：US07602227B2

公开(公告)日：2009-10-13

申请号：US11128351

申请日：2005-05-13

申请人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

发明人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

IPC分类号： G06G7/12

CPC分类号： H03D7/1441 ,  H03D7/1433 ,  H03D7/1458 ,  H03D7/1491 ,  H03D2200/0043 ,  H03D2200/0047 ,  H03F1/3211 ,  H03F3/45183

摘要： The present invention relates to a differential amplifier and a mixer for improving the linearity. The differential amplifier circuit according to this present invention, includes first and second load stages each having a predetermined voltage value, a main differential amplifier unit having a first differential stage that forms a differential pair in such a way as to amplify a difference between a first input voltage and a second input voltage, and a constant current source, which has a predetermined current driving capability and is connected serially between a power source voltage terminal and a ground terminal, and a auxiliary differential amplifier unit having a second differential stage that forms a differential pair in such a way as to amplify a difference between a third input voltage and a fourth input voltage connected between the first load stage and a second load stage, and the ground, respectively.

摘要翻译： 本发明涉及一种用于提高线性度的差分放大器和混频器。 根据本发明的差分放大器电路包括各自具有预定电压值的第一和第二负载级，主差分放大器单元具有形成差分对的第一差分级，以便放大第一和第二负载级之间的差异 输入电压和第二输入电压，以及恒定电流源，其具有预定的电流驱动能力并且串联地连接在电源电压端子和接地端子之间;以及辅助差分放大器单元，具有形成第二差分级的辅助差分放大器单元 差分对以分别放大连接在第一负载级与第二负载级之间的第三输入电压与第四输入电压之间的差的方式和地。

公开(公告)号：US07408411B2

公开(公告)日：2008-08-05

申请号：US11201429

申请日：2005-08-11

申请人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

发明人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

IPC分类号： H03G3/00

CPC分类号： H03G1/0088

摘要： Disclosed is a high linearity programmable gain amplifier using a switch, including an attenuating portion for controlling a gain of a signal and an amplifying portion having a first amplifying part and a second amplifying part, for amplifying an input signal and outputting a signal amplified, wherein the first amplifying part has a first amplifier for amplifying an input signal and a first switch for activating the first amplifier and the second amplifying part has a second amplifier for amplifying an input signal and a second switch for activating the second amplifier.

摘要翻译： 公开了一种使用开关的高线性可编程增益放大器，包括用于控制信号增益的衰减部分和具有第一放大部分和第二放大部分的放大部分，用于放大输入信号并输出​​放大的信号，其中 第一放大部分具有用于放大输入信号的第一放大器和用于激活第一放大器的第一开关，第二放大部分具有用于放大输入信号的第二放大器和用于启动第二放大器的第二开关。

公开(公告)号：US06885248B2

公开(公告)日：2005-04-26

申请号：US10714863

申请日：2003-11-18

申请人： Bonkee Kim ,  Iiku Nam ,  Kwyro Lee

发明人： Bonkee Kim ,  Iiku Nam ,  Kwyro Lee

IPC分类号： H03F3/45 ,  H03D7/14 ,  H03F1/22

CPC分类号： H03D7/1441 ,  H03D7/1466 ,  H03D2200/0023 ,  H03D2200/0043 ,  H03D2200/0088 ,  H03F1/223 ,  H03F2200/372

摘要： The present invention relates to circuits having differential structure which uses complementary devices for processing single-ended signal. The single-ended differential circuit in accordance with the present invention, comprises first and second complementary devices having first, second, and third terminals, respectively, wherein current flowing from the second terminal to the third terminal has its quantity and direction being varying in dependant on the voltage driven to the first terminal, wherein the currents flowing through the first and second complementary devices vary in opposite relationship. The single-ended differential circuit further comprises an input terminal for driving the first terminals of the first and second complementary devices with a control signal; and biasing means connected to the second and third terminals of the first and second devices, for determining biasing points of the first and second complementary devices such that the first and second devices operates in a differential relationship with respect to a signal driven to the input terminal, wherein the biasing means determining the biasing points such that one of the first and second devices is substantially active.

摘要翻译： 本发明涉及使用互补装置处理单端信号的差分结构的电路。 根据本发明的单端差分电路分别包括具有第一，第二和第三端子的第一和第二互补器件，其中从第二端子流到第三端子的电流的数量和方向在从属 在驱动到第一端子的电压上，其中流过第一和第二互补装置的电流以相反的关系变化。 单端差分电路还包括用于利用控制信号驱动第一和第二互补装置的第一端子的输入端子; 以及偏置装置，连接到第一和第二装置的第二和第三端子，用于确定第一和第二互补装置的偏置点，使得第一和第二装置相对于驱动到输入端的信号的差分关系工作 ，其中所述偏置装置确定所述偏置点，使得所述第一和第二装置中的一个基本上是有效的。

公开(公告)号：US07586375B2

公开(公告)日：2009-09-08

申请号：US12146308

申请日：2008-06-25

申请人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

发明人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

IPC分类号： H03F3/68

CPC分类号： H03F3/505 ,  H03F1/3205 ,  H03F1/3211 ,  H03F3/345 ,  H03F2200/453 ,  H03F2203/5042

摘要： The present invention relates to improved linearity of an active circuit, and more particularly, to an active circuit having improved linearity using a main circuit unit and an assistant circuit unit. According to the present invention, the common gate circuit includes a main circuit unit consisting of a common gate circuit having a drain terminal through which an input signal is output as an output signal, an assistant circuit unit having a common gate circuit in order to assist the linearity of the main circuit unit, a biasing unit for biasing the main circuit unit and the assistant circuit unit, respectively, and load stages connected to output stages of the main circuit unit and the assistant circuit unit, wherein the output stages of the main circuit unit and the assistant circuit unit are coupled to each other.

摘要翻译： 本发明涉及有源电路的改进的线性度，更具体地，涉及使用主电路单元和辅助电路单元具有改进的线性度的有源电路。 根据本发明，公共门电路包括主电路单元，该主电路单元由具有输出信号作为输出信号输出的漏极端子的公共门电路组成，具有公共门电路的辅助电路单元以辅助 主电路单元的线性度，分别用于偏置主电路单元和辅助电路单元的偏置单元和连接到主电路单元和辅助电路单元的输出级的负载级，其中主电路单元和辅助电路单元的输出级 电路单元和辅助电路单元彼此耦合。

公开(公告)号：US07525386B2

公开(公告)日：2009-04-28

申请号：US12146299

申请日：2008-06-25

申请人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

发明人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

IPC分类号： H03F3/68

CPC分类号： H03F3/505 ,  H03F1/3205 ,  H03F1/3211 ,  H03F3/345 ,  H03F2200/453 ,  H03F2203/5042

摘要： The present invention relates to improved linearity of an active circuit, and more particularly, to an active circuit having improved linearity using a main circuit unit and an assistant circuit unit. According to the present invention, the common gate circuit includes a main circuit unit consisting of a common gate circuit having a drain terminal through which an input signal is output as an output signal, an assistant circuit unit having a common gate circuit in order to assist the linearity of the main circuit unit, a biasing unit for biasing the main circuit unit and the assistant circuit unit, respectively, and load stages connected to output stages of the main circuit unit and the assistant circuit unit, wherein the output stages of the main circuit unit and the assistant circuit unit are coupled to each other.

公开(公告)号：US07539470B2

公开(公告)日：2009-05-26

申请号：US11392677

申请日：2006-03-30

申请人： Tae Wook Kim ,  Dong Gu Lim ,  Bonkee Kim ,  Junghwan Lee ,  Kwyro Lee

发明人： Tae Wook Kim ,  Dong Gu Lim ,  Bonkee Kim ,  Junghwan Lee ,  Kwyro Lee

IPC分类号： H04B1/10 ,  H04B1/16

CPC分类号： H03J3/08 ,  H04B1/10

摘要： The present invention relates to a filter, and more particularly, to a tracking filter for selecting a channel of a wideband frequency. The tracking filter for selecting a channel of a wideband frequency, which is for increasing the selectivity of a wideband frequency, includes: a first tracking portion for filtering and amplifying a specific frequency band while converting a low input impedance of the input terminal of the tracking filter into a high impedance; a second tracking portion for maintaining the high impedance of the first tracking portion, and for filtering and amplifying the specific frequency band while increasing the selectivity Q of a frequency outputted from the first tracking portion; and a third tracking portion for filtering the specific band wherein has low input impedance and high output impedance.

摘要翻译： 本发明涉及一种滤波器，更具体地说，涉及一种用于选择宽带频率信道的跟踪滤波器。 用于选择用于增加宽带频率的选择性的宽带频率的信道的跟踪滤波器包括：第一跟踪部分，用于在转换跟踪的输入端的低输入阻抗的同时对特定频带进行滤波和放大 滤波器成高阻抗; 用于保持第一跟踪部分的高阻抗的第二跟踪部分，并且用于在增加从第一跟踪部分输出的频率的选择性Q的同时对特定频带进行滤波和放大; 以及用于滤波具有低输入阻抗和高输出阻抗的特定频带的第三跟踪部分。

公开(公告)号：US07400198B2

公开(公告)日：2008-07-15

申请号：US11178481

申请日：2005-07-12

申请人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

发明人： Tae Wook Kim ,  Bonkee Kim ,  Kwyro Lee

IPC分类号： H03F3/68

CPC分类号： H03F3/505 ,  H03F1/3205 ,  H03F1/3211 ,  H03F3/345 ,  H03F2200/453 ,  H03F2203/5042

摘要： The present invention relates to improved linearity of an active circuit, and more particularly, to an active circuit having improved linearity using a main circuit unit and an assistant circuit unit. According to the present invention, the common gate circuit includes a main circuit unit consisting of a common gate circuit having a drain terminal through which an input signal is output as an output signal, an assistant circuit unit having a common gate circuit in order to assist the linearity of the main circuit unit, a biasing unit for biasing the main circuit unit and the assistant circuit unit, respectively, and load stages connected to output stages of the main circuit unit and the assistant circuit unit, wherein the output stages of the main circuit unit and the assistant circuit unit are coupled to each other.

摘要翻译： 本发明涉及有源电路的改进的线性度，更具体地，涉及使用主电路单元和辅助电路单元具有改进的线性度的有源电路。 根据本发明，公共门电路包括主电路单元，该主电路单元由具有输出信号作为输出信号输出的漏极端子的公共门电路组成，具有公共门电路的辅助电路单元以辅助 主电路单元的线性度，分别用于偏置主电路单元和辅助电路单元的偏置单元和连接到主电路单元和辅助电路单元的输出级的负载级，其中主电路单元和辅助电路单元的输出级 电路单元和辅助电路单元彼此耦合。

公开(公告)号：US20060223485A1

公开(公告)日：2006-10-05

申请号：US11392677

申请日：2006-03-30

申请人： Tae Kim ,  Dong Lim ,  Bonkee Kim ,  Junghwan Lee ,  Kwyro Lee

发明人： Tae Kim ,  Dong Lim ,  Bonkee Kim ,  Junghwan Lee ,  Kwyro Lee

IPC分类号： H04B1/10 ,  H04B1/16

CPC分类号： H03J3/08 ,  H04B1/10

摘要： The present invention relates to a filter, and more particularly, to a tracking filter for selecting a channel of a wideband frequency. The tracking filter for selecting a channel of a wideband frequency, which is for increasing the selectivity of a wideband frequency, includes: a first tracking portion for filtering and amplifying a specific frequency band while converting a low input impedance of the input terminal of the tracking filter into a high impedance; a second tracking portion for maintaining the high impedance of the first tracking portion, and for filtering and amplifying the specific frequency band while increasing the selectivity Q of a frequency outputted from the first tracking portion; and a third tracking portion for filtering the specific band wherein has low input impedance and high output impedance.

公开(公告)号：US20060033574A1

公开(公告)日：2006-02-16

申请号：US11201429

申请日：2005-08-11

申请人： Tae Kim ,  Bonkee Kim ,  Kwyro Lee

发明人： Tae Kim ,  Bonkee Kim ,  Kwyro Lee

IPC分类号： H03G3/30

CPC分类号： H03G1/0088

摘要： Disclosed is a high linearity programmable gain amplifier using a switch, including an attenuating portion for controlling a gain of a signal and an amplifying portion having a first amplifying part and a second amplifying part, for amplifying an input signal and outputting a signal amplified, wherein the first amplifying part has a first amplifier for amplifying an input signal and a first switch for activating the first amplifier and the second amplifying part has a second amplifier for amplifying an input signal and a second switch for activating the second amplifier.

摘要翻译： 公开了一种使用开关的高线性可编程增益放大器，包括用于控制信号增益的衰减部分和具有第一放大部分和第二放大部分的放大部分，用于放大输入信号并输出​​放大的信号，其中 第一放大部分具有用于放大输入信号的第一放大器和用于激活第一放大器的第一开关，第二放大部分具有用于放大输入信号的第二放大器和用于启动第二放大器的第二开关。