公开(公告)号：US20090212861A1

公开(公告)日：2009-08-27

申请号：US12195615

申请日：2008-08-21

Applicant: Hyung-sun LIM ,  Jin-soo Park ,  Heung-bae Lee ,  Young-eil Kim ,  Sang-yoon Jeon ,  Ick-jin Kwon ,  Bum-man Kim ,  Je-hyung Yoon

Inventor： Hyung-sun LIM ,  Jin-soo Park ,  Heung-bae Lee ,  Young-eil Kim ,  Sang-yoon Jeon ,  Ick-jin Kwon ,  Bum-man Kim ,  Je-hyung Yoon

IPC: H03F3/45

CPC classification number: H03F3/45179 ,  H03F1/3211 ,  H03F3/193 ,  H03F2200/294 ,  H03F2203/45306 ,  H03F2203/45468 ,  H03F2203/45638

Abstract: A low noise amplifier is provided. The low noise amplifier includes: a low noise amplifying unit amplifying an input signal; a harmonic and noise generating unit disposed in an input terminal of the low noise amplifying unit, for generating a compensating signal for compensating for an intermodulation distortion signal and a thermal noise signal of the input signal to the low noise amplifying unit; and a load unit outputting the amplified input signal generated by the low noise amplifying unit.

Abstract translation: 提供了一个低噪声放大器。 低噪声放大器包括：放大输入信号的低噪声放大单元; 谐波噪声产生单元，设置在所述低噪声放大单元的输入端子中，用于产生用于补偿所述输入信号到所述低噪声放大单元的互调失真信号和热噪声信号的补偿信号; 以及输出由低噪声放大单元生成的放大的输入信号的负载单元。

公开(公告)号：US20090175465A1

公开(公告)日：2009-07-09

申请号：US12122790

申请日：2008-05-19

Applicant: Ick-jin Kwon ,  Jae-sup Lee ,  Han-woong Yoo

Inventor： Ick-jin Kwon ,  Jae-sup Lee ,  Han-woong Yoo

IPC: H04B15/00

CPC classification number: H04B1/12 ,  H04B1/1027

Abstract: An interference signal removing apparatus of a radio frequency (RF) receiver includes a low noise amplification unit which performs low noise amplification, a feedback processing unit which removes a necessary signal in a desired band from a signal output from the low noise amplification unit, and performs feedback of the signal from which the necessary signal is removed, and a signal processing unit which transmits a processed RF signal by synthesizing an input RF signal and the feedback signal to the noise amplification unit.

Abstract translation: 射频（RF）接收机的干扰信号去除装置包括执行低噪声放大的低噪声放大单元，反馈处理单元，从低噪声放大单元输出的信号中去除期望频带中的必要信号;以及 执行去除必要信号的信号的反馈;以及信号处理单元，其通过将输入的RF信号和反馈信号合成到噪声放大单元来发送经处理的RF信号。

公开(公告)号：US20070001760A1

公开(公告)日：2007-01-04

申请号：US11438222

申请日：2006-05-23

Applicant: Ick-jin Kwon ,  Seong-sik Song ,  Yun-seong Eo ,  Heung-bae Lee

Inventor： Ick-jin Kwon ,  Seong-sik Song ,  Yun-seong Eo ,  Heung-bae Lee

IPC: H03F3/45

CPC classification number: H03F3/45183 ,  H03F2203/45336 ,  H03F2203/45362 ,  H03F2203/45508 ,  H03F2203/45638 ,  H03F2203/45702

Abstract: A buffer amplifier, which includes a first differential signal amplifier including first and second NMOSFETs (N-type metal-oxide semiconductor field-effect transistors) amplifying differential input signals; a second differential signal amplifier including first and second PMOSFETs (P-type metal-oxide semiconductor field-effect transistors) amplifying the differential input signals; a first feedback resistor including an end commonly connected to drains of the first NMOSFET and the first PMOSFET and the other end commonly connected to gates of the first NMOSFET and the first PMOSFET; a second feedback resistor including an end commonly connected to drains of the second NMOSFET and the second PMOSFET and the other end commonly connected to gates of the second NMOSFET and the second PMOSFET; and a current source providing a bias current for driving the first and second differential signal amplifiers, is provided.

Abstract translation: 一种缓冲放大器，包括：第一差分信号放大器，包括放大差分输入信号的第一和第二NMOSFET（N型金属氧化物半导体场效应晶体管）; 包括放大差分输入信号的第一和第二PMOSFET（P型金属氧化物半导体场效应晶体管）的第二差分信号放大器; 第一反馈电阻器，其包括公共连接到第一NMOSFET和第一PMOSFET的漏极的端部，另一端公共连接到第一NMOSFET和第一PMOSFET的栅极; 第二反馈电阻器，其包括公共连接到第二NMOSFET和第二PMOSFET的漏极的端部，另一端公共连接到第二NMOSFET和第二PMOSFET的栅极; 并且提供了提供用于驱动第一和第二差分信号放大器的偏置电流的电流源。

公开(公告)号：US06556085B2

公开(公告)日：2003-04-29

申请号：US09828181

申请日：2001-04-09

Applicant: Ick Jin Kwon ,  Joon Ho Gil ,  Hyung Cheol Shin

Inventor： Ick Jin Kwon ,  Joon Ho Gil ,  Hyung Cheol Shin

IPC: H03F122

CPC classification number: H03F3/193 ,  H03F1/223 ,  H03F2200/168 ,  H03F2200/294 ,  H03F2200/372

Abstract: A low power low noise amplifier achieves a high power gain without increasing power consumption by sharing the bias current. The amplifier is composed of a cascade structure which consists of a parallel connected common source transistor and common gate transistor connected to a common source transistor, an inverter type structure connected to the common source transistor, and structure improving the third-order intermodulation component using the parallel connected common source transistor and common gate transistor.

Abstract translation: 低功耗低噪声放大器通过共享偏置电流而不增加功耗，实现高功率增益。 放大器由级联结构组成，其由并联的公共源晶体管和连接到公共源极晶体管的公共栅极晶体管组成，连接到公共源极晶体管的反相器类型结构，以及使用该方法改进三阶互调分量的结构 并联公共源晶体管和公共栅极晶体管。