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    RF receiving apparatus and method using DC offset free baseband signal
    1.
    发明授权
    RF receiving apparatus and method using DC offset free baseband signal 失效
    RF接收装置和使用DC偏移的基带信号的方法

    公开(公告)号：US07835716B2

    公开(公告)日：2010-11-16

    申请号：US11450354

    申请日：2006-06-12

    申请人： Ick Jin Kwon ,  Heung Bae Lee ,  Yun Seong Eo ,  Hee Mun Bang

    发明人： Ick Jin Kwon ,  Heung Bae Lee ,  Yun Seong Eo ,  Hee Mun Bang

    IPC分类号： H04B1/26

    CPC分类号： H04B1/30

    摘要： An RF receiver and an RF receiving method are provided using a baseband signal in which a DC offset is removed. In the RF receiver, a noise phase removing unit generates a phase controlled local signal PLOQ in which a phase of a Q signal of a local signal LOQ is controlled, by synthesizing a received RF signal RXIN and the Q signal of the local signal LOQ. A down converter generates a signal in which a DC offset from noise introduced into the received RF signal RXIN is removed, when synthesizing the received RF signal RXIN and the phase controlled local signal PLOQ for frequency-down conversion.

    摘要翻译： 使用其中去除了DC偏移的基带信号来提供RF接收机和RF接收方法。 在RF接收机中，噪声相位去除单元通过合成接收的RF信号RXIN和本地信号LOQ的Q信号，生成相位控制的本地信号PLOQ，在该相位控制的本地信号PLOQ中本地信号LOQ的Q信号的相位被控制。 当合成接收的RF信号RXIN和用于降频转换的相位控制的本地信号PLOQ时，下变频器产生一个信号，在该信号中，从被引入到接收的RF信号RXIN中的噪声的DC偏移被去除。

    Mixer
    3.
    发明授权
    Mixer 有权
    混合器

    公开(公告)号：US07711347B2

    公开(公告)日：2010-05-04

    申请号：US11414346

    申请日：2006-05-01

    申请人： Ick-jin Kwon ,  Yun-seong Eo ,  Heung-bae Lee

    发明人： Ick-jin Kwon ,  Yun-seong Eo ,  Heung-bae Lee

    IPC分类号： H04B1/28

    CPC分类号： H03D7/1441 ,  H03D7/1458 ,  H03D2200/0084

    摘要： Provided is a mixer including: an amplifier amplifying an input signal using at least one amplifier element; a mixing unit mixing the input signal amplified by the amplifier with a local oscillator signal output from a local oscillator. The mixing unit includes at least one pair of switching elements switching the amplifier, and the switching elements are MOSFETs having gates and body nodes to which a same local oscillator signal is applied. Thus, a time required for turning on the switching elements can be reduced, and 1/f noise is also reduced. Also, an overdrive voltage can be increased with respect to local oscillator signals having an identical intensity. Thus, a relatively low voltage operation can be performed.

    摘要翻译： 提供一种混频器，包括：使用至少一个放大器元件放大输入信号的放大器; 混合单元将由放大器放大的输入信号与从本地振荡器输出的本地振荡器信号进行混合。 混合单元包括至少一对开关放大器的开关元件，并且开关元件是具有施加相同本地振荡器信号的门和体节点的MOSFET。 因此，可以减少接通开关元件所需的时间，并且还可以降低1 / f噪声。 此外，相对于具有相同强度的本机振荡器信号，可以增加过驱动电压。 因此，可以执行相对低的电压操作。

    Mixer
    4.
    发明申请
    Mixer 有权
    混合器

    公开(公告)号：US20070004369A1

    公开(公告)日：2007-01-04

    申请号：US11414346

    申请日：2006-05-01

    申请人： Ick-jin Kwon ,  Yun-seong Eo ,  Heung-bae Lee

    发明人： Ick-jin Kwon ,  Yun-seong Eo ,  Heung-bae Lee

    IPC分类号： H04B1/26

    CPC分类号： H03D7/1441 ,  H03D7/1458 ,  H03D2200/0084

    摘要： Provided is a mixer including: an amplifier amplifying an input signal using at least one amplifier element; a mixing unit mixing the input signal amplified by the amplifier with a local oscillator signal output from a local oscillator. The mixing unit includes at least one pair of switching elements switching the amplifier, and the switching elements are MOSFETs having gates and body nodes to which a same local oscillator signal is applied. Thus, a time required for turning on the switching elements can be reduced, and 1/f noise is also reduced. Also, an overdrive voltage can be increased with respect to local oscillator signals having an identical intensity. Thus, a relatively low voltage operation can be performed.

    摘要翻译： 提供一种混频器，包括：使用至少一个放大器元件放大输入信号的放大器; 混合单元将由放大器放大的输入信号与从本地振荡器输出的本地振荡器信号进行混合。 混合单元包括至少一对开关放大器的开关元件，并且开关元件是具有施加相同本地振荡器信号的门和体节点的MOSFET。 因此，可以减少接通开关元件所需的时间，并且还可以降低1 / f噪声。 此外，相对于具有相同强度的本机振荡器信号，可以增加过驱动电压。 因此，可以执行相对低的电压操作。

    RF receiver and method to receive, amplify, sample, down convert, anti-aliasing filter, and ADC convert an RF signal
    7.
    发明授权
    RF receiver and method to receive, amplify, sample, down convert, anti-aliasing filter, and ADC convert an RF signal 有权
    RF接收器和接收，放大，采样，降压转换，抗混叠滤波器和ADC转换RF信号的方法

    公开(公告)号：US08391822B2

    公开(公告)日：2013-03-05

    申请号：US12169073

    申请日：2008-07-08

    申请人： Hyung-sun Lim ,  Jin-soo Park ,  Heung-bae Lee ,  Young-eil Kim ,  Sang-yoon Jeon ,  Ick-jin Kwon ,  Bum-man Kim ,  Chang-joon Park

    发明人： Hyung-sun Lim ,  Jin-soo Park ,  Heung-bae Lee ,  Young-eil Kim ,  Sang-yoon Jeon ,  Ick-jin Kwon ,  Bum-man Kim ,  Chang-joon Park

    IPC分类号： H04B1/16

    CPC分类号： H04B1/28

    摘要： A radio frequency (RF) receiver and a method of receiving an RF signal are provided. The RF receiver includes a low-noise amplifying unit which amplifies a received signal while restricting out-of-band interference of the received signal, a sampling unit which performs sampling to convert the amplified signal to a discrete time domain signal, a frequency translation unit which down-converts the discrete time domain signal into a frequency band that enables the discrete time domain signal to be converted into a digital signal and restricts interference from a frequency within an aliasing band according to a sampling frequency, an anti-aliasing filtering unit which prevents aliasing from the down-converted signal, a clock unit which provides the sampling unit, the frequency translation unit, and the anti-aliasing filtering unit with sampling frequencies, and an analog-digital-converter which converts the converted signal into the digital signal.

    摘要翻译： 提供射频（RF）接收机和接收RF信号的方法。 RF接收机包括低噪声放大单元，其在限制接收信号的带外干扰的同时放大接收信号;执行采样以将放大信号转换为离散时域信号的采样单元;频率转换单元 其将离散时域信号下变频成使得离散时域信号能够被转换为数字信号的频带，并根据采样频率限制来自混叠频带内的频率的干扰;抗混叠滤波单元， 防止来自下变频信号的混叠，提供采样单元的时钟单元，频率转换单元和具有采样频率的抗混叠滤波单元，以及将转换的信号转换成数字信号的模数转换器 。

    RF receiving apparatus and method for removing leakage component of received signal using local signal
    8.
    发明授权
    RF receiving apparatus and method for removing leakage component of received signal using local signal 有权
    RF接收装置及使用本地信号去除接收信号的泄漏分量的方法

    公开(公告)号：US07689170B2

    公开(公告)日：2010-03-30

    申请号：US11414427

    申请日：2006-05-01

    申请人： Ick Jin Kwon ,  Heung Bae Lee

    发明人： Ick Jin Kwon ,  Heung Bae Lee

    IPC分类号： H04B1/00

    CPC分类号： H04B1/525

    摘要： A radio frequency (RF) receiver and receiving method are provided which can remove a leakage component from a received signal by using a local signal. In the RF receiver, a noise removing unit controls a gain and a phase of a local signal LOI according to a phase THETA and a gain AMPTD detected in a MODEM, estimates a signal Vcal corresponding to a noise component introduced into a received RF signal RXIN, and removes the estimated signal Vcal from the received RF signal RXIN. In this manner, a clean RF signal RXO, which does not include a noise component, is frequency-down converted in a receiving unit.

    摘要翻译： 提供射频（RF）接收机和接收方法，其可以通过使用本地信号从接收信号中去除泄漏分量。 在RF接收机中，噪声去除单元根据在调制解调器中检测到的相位THETA和增益AMPTD来控制本地信号LOI的增益和相位，估计与引入到接收的RF信号RXIN中的噪声分量相对应的信号Vcal ，并从接收的RF信号RXIN去除估计信号Vcal。 以这种方式，不包括噪声分量的干净的RF信号RXO在接收单元中被降频转换。

    RECEIVING APPARATUS CAPABLE OF REMOVING INTERFERENCE SIGNAL AND METHOD THEREOF
    9.
    发明申请
    RECEIVING APPARATUS CAPABLE OF REMOVING INTERFERENCE SIGNAL AND METHOD THEREOF 审中-公开
    接收装置可以消除干扰信号及其方法

    公开(公告)号：US20080317180A1

    公开(公告)日：2008-12-25

    申请号：US12013130

    申请日：2008-01-11

    申请人： Ick-jin KWON ,  Jae-sup LEE

    发明人： Ick-jin KWON ,  Jae-sup LEE

    IPC分类号： H04B1/10

    CPC分类号： H04B1/12

    摘要： An apparatus and method capable of interference signal removal is provided. The receiving apparatus includes a signal reception unit, a sampler which samples signal with carrier wave frequency, a signal filter, and a signal combiner.

    摘要翻译： 提供了能够干扰信号去除的装置和方法。 该接收装置包括：信号接收单元，用载波频率采样信号的采样器，信号滤波器和信号组合器。

    Buffer amplifier
    10.
    发明授权
    Buffer amplifier 有权
    缓冲放大器

    公开(公告)号：US07358810B2

    公开(公告)日：2008-04-15

    申请号：US11438222

    申请日：2006-05-23

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

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

    IPC分类号： H03F3/45

    CPC分类号： H03F3/45183 ,  H03F2203/45336 ,  H03F2203/45362 ,  H03F2203/45508 ,  H03F2203/45638 ,  H03F2203/45702

    摘要： 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.

    摘要翻译： 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。