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公开(公告)号：US08774747B2
公开(公告)日：2014-07-08
申请号：US13488902
申请日：2012-06-05
申请人： Seok-bong Hyun , Bong Hyuk Park , Yun Ho Choi , Jae Ho Jung
发明人： Seok-bong Hyun , Bong Hyuk Park , Yun Ho Choi , Jae Ho Jung
CPC分类号： H03F3/45179 , H03F3/72 , H03F2200/294 , H03F2203/45302 , H03F2203/45394 , H03F2203/7236
摘要： A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.
摘要翻译： 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括：放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元，转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元，去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号，并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。
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公开(公告)号：US20130135048A1
公开(公告)日：2013-05-30
申请号：US13488902
申请日：2012-06-05
申请人： Seok-bong HYUN , Bong Hyuk Park , Yun Ho Choi , Jae Ho Jung
发明人： Seok-bong HYUN , Bong Hyuk Park , Yun Ho Choi , Jae Ho Jung
CPC分类号： H03F3/45179 , H03F3/72 , H03F2200/294 , H03F2203/45302 , H03F2203/45394 , H03F2203/7236
摘要： A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.
摘要翻译： 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括：放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元，转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元，去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号，并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。
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公开(公告)号：US09025700B2
公开(公告)日：2015-05-05
申请号：US14365885
申请日：2011-12-16
CPC分类号： H04L27/367 , H03F3/2175 , H03M3/404 , H04L25/4927
摘要： A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.
摘要翻译： 用于将基带信号变换为调制数字调制器输出信号的数字极调制器（DPM）包括输入单元和两个低通Δ-Σ调制器，第一个调制器连接在第一输入部分的下游， 根据幅度调制基带信号分量输出第一脉冲序列，第二脉冲序列连接在第二输入部分的下游，并且被配置为根据相位调制基带信号分量在其输出端提供多级量化信号; 多相发生器，其被配置为提供具有相同载波频率并且相对于彼此呈现离散相移的一组方波载波信号; 多路复用器，其被配置为提供多路复用器输出信号，所述多路复用器输出信号通过根据在选择输入端接收的信号作为时间的函数在所选择的载波信号之间进行切换而形成; 和组合器单元。
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公开(公告)号：US20140307825A1
公开(公告)日：2014-10-16
申请号：US14365885
申请日：2011-12-16
CPC分类号： H04L27/367 , H03F3/2175 , H03M3/404 , H04L25/4927
摘要： A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.
摘要翻译： 用于将基带信号变换为调制数字调制器输出信号的数字极调制器（DPM）包括输入单元和两个低通Δ-Σ调制器，第一个调制器连接在第一输入部分的下游， 根据幅度调制基带信号分量输出第一脉冲序列，第二脉冲序列连接在第二输入部分的下游，并且被配置为根据相位调制基带信号分量在其输出端提供多级量化信号; 多相发生器，其被配置为提供具有相同载波频率并且相对于彼此呈现离散相移的一组方波载波信号; 多路复用器，其被配置为提供多路复用器输出信号，所述多路复用器输出信号通过根据在选择输入端接收的信号作为时间的函数在所选择的载波信号之间进行切换而形成; 和组合器单元。
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5.发明授权Signal converter for wireless communication and receiving device using the same 失效用于使用其的无线通信和接收装置的信号转换器公开(公告)号：US08013651B2
公开(公告)日：2011-09-06
申请号：US12580360
申请日：2009-10-16
申请人： Seung Sik Lee , Bong Hyuk Park , Seunghyun Jang , Sangsung Choi , Changwan Kim
发明人： Seung Sik Lee , Bong Hyuk Park , Seunghyun Jang , Sangsung Choi , Changwan Kim
IPC分类号： H03H11/16
CPC分类号： H03D7/1441 , H03D7/1458 , H03D2200/0023 , H03D2200/0043 , H03D2200/0084
摘要： The present invention relates to a signal converting device and receiving device in a wireless communication system. The receiving device of the wireless communication system includes a differential signal converter for receiving a single ended radio frequency signal and converting it into a differential radio frequency signal, and a frequency down converter for down converting the differential radio frequency signal to down frequency signal.
摘要翻译： 本发明涉及无线通信系统中的信号转换装置和接收装置。 无线通信系统的接收装置包括用于接收单端射频信号并将其转换为差分射频信号的差分信号转换器，以及用于将差分射频信号下变频为降频信号的降频转换器。
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