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：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：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：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：US07362183B2

公开(公告)日：2008-04-22

申请号：US11464660

申请日：2006-08-15

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

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

IPC分类号： H03F3/04

CPC分类号： H03F1/34 ,  H03F1/223 ,  H03F1/3205 ,  H03F2200/162 ,  H03F2200/36 ,  H03F2200/366 ,  H03F2200/432

摘要： An amplifier circuit improved in linearity and frequency band comprises an amplification block, a feedback block and an output block. The amplification block comprises a main transistor, an auxiliary transistor, a first capacitor, a second capacitor, a main transistor bias unit, and an auxiliary transistor bias unit. The main transistor bias unit comprises a first bias resistor. The auxiliary transistor bias unit comprises a second bias resistor. The feedback block comprises first and second feedback resistors, and the output block comprises an output resistor and an output transistor.

摘要翻译： 线性度和频带改善的放大器电路包括放大块，反馈块和输出块。 放大块包括主晶体管，辅助晶体管，第一电容器，第二电容器，主晶体管偏置单元和辅助晶体管偏置单元。 主晶体管偏置单元包括第一偏置电阻器。 辅助晶体管偏置单元包括第二偏置电阻器。 反馈块包括第一和第二反馈电阻器，并且输出块包括输出电阻器和输出晶体管。

公开(公告)号：US07319364B2

公开(公告)日：2008-01-15

申请号：US11281580

申请日：2005-11-18

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 ,  H03F1/22

CPC分类号： H03F1/3205 ,  H03F1/223 ,  H03F1/26 ,  H03F1/42 ,  H03F2200/372 ,  H03F2200/492

摘要： Disclosed herein is an amplifier circuit having improved linearity and frequency band using a MGTR. The amplifier circuit comprises an amplification unit including a main transistor and an auxiliary transistor, an attenuation unit including inductors respectively connected to the source of the main transistor and the source of the auxiliary transistor, a capacitor connected at one end thereof to the sources of the main transistor and auxiliary transistor and connected at the other end thereof to the gates of the main transistor and auxiliary transistor, and an output unit connected to the drains of the main transistor and auxiliary transistor.

摘要翻译： 这里公开了一种使用MGTR具有改进的线性度和频带的放大器电路。 该放大器电路包括一个包括一个主晶体管和一个辅助晶体管的放大单元，一个衰减单元包括分别连接到主晶体管的源极和辅助晶体管的源极的电感器，一端与它的源极连接的电容器 主晶体管和辅助晶体管，其另一端连接到主晶体管和辅助晶体管的栅极，以及连接到主晶体管和辅助晶体管的漏极的输出单元。

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：US20070210871A1

公开(公告)日：2007-09-13

申请号：US11681893

申请日：2007-03-05

申请人： Tae Wook KIM ,  Hee yong Yoo ,  Bonkee Kim ,  Minsu Jeong

发明人： Tae Wook KIM ,  Hee yong Yoo ,  Bonkee Kim ,  Minsu Jeong

IPC分类号： H03G3/10

CPC分类号： H03F1/301 ,  H03F3/193 ,  H03F3/68

摘要： The present invention relates to an amplifier and, more particularly, to an adaptive linear amplifier with low power consumption and a high linearity. The adaptive linear amplifier according to the present invention comprises amplification means and a bias controller. The amplification means comprises a main transistor and an auxiliary transistor unit. The main transistor and the auxiliary transistor unit are coupled to each other. The bias controller controls a bias voltage applied to the main transistor and the auxiliary transistor unit.

摘要翻译： 本发明涉及一种放大器，更具体地说，涉及一种具有低功耗和高线性度的自适应线性放大器。 根据本发明的自适应线性放大器包括放大装置和偏置控制器。 放大装置包括主晶体管和辅助晶体管单元。 主晶体管和辅助晶体管单元彼此耦合。 偏置控制器控制施加到主晶体管和辅助晶体管单元的偏置电压。