公开(公告)号：US20140035632A1

公开(公告)日：2014-02-06

申请号：US13599496

申请日：2012-08-30

申请人： Pasquale Lamanna ,  Nicolas Sornin ,  Davide Orifiamma ,  Cristian Pavao Moreira

发明人： Pasquale Lamanna ,  Nicolas Sornin ,  Davide Orifiamma ,  Cristian Pavao Moreira

IPC分类号： H03L7/08 ,  H03B19/00

CPC分类号： H03L7/093 ,  H03L7/091

摘要： A phase-locked loop for generating an output signal including a signal generator arranged to generate an output, a comparison unit arranged to compare the output with a reference signal so as to provide a digital signal, and a loop filter arranged to generate a control signal for controlling the signal generator in dependence on the digital signal. The loop filter includes a proportional path having a digital filter arranged to generate a first component of the control signal for controlling the phase of the output generated by the signal generator, and an analogue integral path arranged to generate a second component of the control signal for controlling the frequency of the output generated by the signal generator.

摘要翻译： 一种用于产生包括布置成产生输出的信号发生器的输出信号的锁相环，被配置为将输出与参考信号进行比较以提供数字信号的比较单元，和布置成产生控制信号的环路滤波器 用于根据数字信号控制信号发生器。 环路滤波器包括具有数字滤波器的比例路径，该数字滤波器被布置成产生用于控制由信号发生器产生的输出的相位的控制信号的第一分量，以及模拟积分路径，其被布置为产生控制信号的第二分量 控制信号发生器产生的输出频率。

公开(公告)号：US08565708B2

公开(公告)日：2013-10-22

申请号：US12992400

申请日：2009-04-07

申请人： Nicolas Sornin

发明人： Nicolas Sornin

IPC分类号： H04B1/10

CPC分类号： H04B1/1036

摘要： A filter for filtering a received signal to attenuate an interferer therein, the interferer having a component at an interferer frequency, and the filter comprising: an intermediate filter providing a passband and a stopband; a first frequency converter configured to form a first intermediate signal by frequency-shifting an input signal derived from the received signal such that a component of the input signal at the interferer frequency is shifted to a frequency in the passband of the intermediate filter, and to input the first intermediate signal to the intermediate filter so as to cause the first intermediate signal to be filtered by the intermediate filter to form a second intermediate signal; a second frequency converter configured to form a cancellation signal by frequency-shifting the second intermediate signal such that a component of the second intermediate signal in the passband of the intermediate filter is shifted to the interferer frequency; and a cancellation unit configured to cancel the cancellation signal from the received signal to attenuate the interferer therein.

摘要翻译： 一种用于对接收到的信号进行滤波以衰减其中的干扰源的滤波器，所述干扰源具有干扰频率处的分量，并且所述滤波器包括：提供通带和阻带的中间滤波器; 第一变频器，被配置为通过对从接收信号导出的输入信号进行频移来形成第一中间信号，使得干扰频率处的输入信号的分量被转换到中间滤波器的通带中的频率，并且 将第一中间信号输入到中间滤波器，以使第一中间信号被中间滤波器滤波以形成第二中间信号; 第二变频器，被配置为通过对所述第二中间信号进行频率偏移来形成消除信号，使得所述中间滤波器的通带中的所述第二中间信号的分量被偏移到所述干扰频率; 以及取消单元，被配置为从所接收的信号中消除所述抵消信号以衰减所述干扰源。

公开(公告)号：US08373468B2

公开(公告)日：2013-02-12

申请号：US12920015

申请日：2009-03-05

申请人： Pasquale Lamanna ,  Nicolas Sornin

发明人： Pasquale Lamanna ,  Nicolas Sornin

IPC分类号： H03L7/06

CPC分类号： H03L7/0895 ,  H03L7/1974

摘要： A current generator for a phase-locked loop arranged to generate an output signal having predetermined frequency-relationship with a reference signal, the phase-locked loop comprising a signal generator arranged to generate the output signal, a divider arranged to receive the output signal and divide the output signal to form a feedback signal, the divider being arranged to vary the divisor by which the output signal is divided, a comparison unit arranged to compare the feedback signal with the reference signal and output a first error signal indicative of the phase-difference between the feedback signal and the reference signal to the current generator and a loop filter arranged to filter a current signal output by the current generator to form a control signal for controlling the signal generator, the current generator being capable of receiving the first error signal and generating a current in dependence thereon, receiving a second error signal indicative of an error in the feedback signal caused by the variation of the divisor by which the output signal is divided and generating a current having a magnitude and sign that is dependent on that error and combining the currents generated in dependence on the first error signal and the second error signal to form a current signal output to the loop filter that is representative of an overall error in the output signal of the phase-locked loop relative to the reference signal.

摘要翻译： 一种用于产生与参考信号具有预定频率关系的输出信号的锁相环电流发生器，所述锁相环包括布置成产生输出信号的信号发生器，布置成接收输出信号的分频器和 将所述输出信号除以形成反馈信号，所述分频器被布置成改变所述输出信号被分频的除数;比较单元，被布置为将所述反馈信号与所述参考信号进行比较，并输出指示所述相位信号的第一误差信号， 所述反馈信号和对所述电流发生器的参考信号之间的差异;以及环路滤波器，其布置成对所述电流发生器输出的电流信号进行滤波，以形成用于控制所述信号发生器的控制信号，所述电流发生器能够接收所述第一误差信号 并根据其产生电流，接收指示所述feedbac中的错误的第二错误信号 k信号由输出信号被除数的除数的变化引起，并产生具有取决于该误差的幅度和符号的电流，并组合依赖于第一误差信号和第二误差信号而产生的电流以形成 输出到环路滤波器的电流信号，其表示锁相环相对于参考信号的输出信号的总体误差。

公开(公告)号：US08373464B2

公开(公告)日：2013-02-12

申请号：US13264334

申请日：2010-04-07

申请人： Nicolas Sornin

发明人： Nicolas Sornin

IPC分类号： H03L7/06

CPC分类号： H03L7/081 ,  H03L7/091

摘要： A phase-locked loop circuit comprising: an oscillator (20) configured to generate an output signal; an input (25) for receiving a reference clock signal; a delay cell (26) configured to delay the reference clock signal to generate a delayed reference clock signal; a phase comparator (27) configured to generate a quantized signal indicative of the phase difference between the output signal and the delayed reference clock signal, an integrator (28) configured to integrate the quantized signal to form an integrated signal; a first feedback path (22) configured to control the phase and/or frequency of the oscillator in dependence on the integrated signal; and a second feedback path (23) configured to adjust the delay applied by the delay cell (26) in dependence on the integrated signal.

摘要翻译： 一种锁相环电路，包括：振荡器（20），被配置为产生输出信号; 用于接收参考时钟信号的输入端（25）; 延迟单元（26），被配置为延迟所述参考时钟信号以产生延迟的参考时钟信号; 相位比较器（27），被配置为产生指示所述输出信号和所述延迟的参考时钟信号之间的相位差的量化信号;积分器（28），被配置为积分所述量化信号以形成积分信号; 第一反馈路径（22），被配置为根据所述积分信号来控制所述振荡器的相位和/或频率; 以及第二反馈路径（23），被配置为根据所述积分信号调整由所述延迟单元（26）施加的延迟。

公开(公告)号：US08278984B2

公开(公告)日：2012-10-02

申请号：US12918615

申请日：2009-03-05

申请人： Pasquale Lamanna ,  Nicolas Sornin

发明人： Pasquale Lamanna ,  Nicolas Sornin

IPC分类号： H03L7/06

CPC分类号： H03L7/0893 ,  H03L7/093 ,  H03L7/1974 ,  H03L2207/06

摘要： A loop filter for a phase-locked loop that generates an output signal having a predetermined phase relationship with a reference signal, the loop filter being arranged to control a signal generator that forms the output signal in dependence on a phase error between the output signal and the reference signal by outputting a control signal for controlling the signal generator in dependence thereon, the loop filter being arranged to form the control signal to comprise a proportional component representative of an instantaneous magnitude of the phase difference and an integral component representative of an integral of the phase difference, the loop filter comprising a proportional path arranged to receive a signal representative of the instantaneous magnitude of the phase difference and form the proportional component of the control signal in dependence thereon and an integral path arranged to receive a signal representative of the instantaneous magnitude of the phase difference and form the integral component of the control signal in dependence thereon, the proportional and integral paths being decoupled in the loop filter such that each has a transfer function relating its received signal to its respective component of the control signal that is independent of the other path.

摘要翻译： 一种用于产生与参考信号具有预定相位关系的输出信号的锁相环的环路滤波器，所述环路滤波器被布置为根据输出信号和输出信号之间的相位误差来控制形成输出信号的信号发生器 所述参考信号通过输出用于根据其控制所述信号发生器的控制信号，所述环路滤波器被布置成形成所述控制信号以包括代表所述相位差的瞬时幅度的比例分量和表示所述相位差的积分分量的积分分量 相位差，环路滤波器包括比例路径，该比例路径被布置为接收表示相位差的瞬时幅度的信号，并且形成依赖于其的控制信号的比例分量，以及布置成接收表示瞬时的信号的信号的积分路径 相位差的大小和形式 根据其控制信号的积分分量，比例积分路径在环路滤波器中解耦，使得每个具有将其接收信号与独立于另一路径的控制信号的相应分量相关联的传递函数。

公开(公告)号：US20110286495A1

公开(公告)日：2011-11-24

申请号：US13063235

申请日：2009-08-27

申请人： Olivier Bernard Andre Seller ,  Nicolas Sornin ,  Damien Richard Smith

发明人： Olivier Bernard Andre Seller ,  Nicolas Sornin ,  Damien Richard Smith

IPC分类号： H04L25/06 ,  H04B1/69

CPC分类号： H03G3/3078

摘要： A signal receiver having a gain control circuit comprising: detection means configured to form a representation of the excess amplitude during a training period of a signal received by the receiver; a first gain stimulus generator configured to generate a first gain stimulus in dependence on the excess amplitude detected by the detection means during the training period; averaging means configured to estimate the average of the signal received by the receiver during the training period; a second gain stimulus generator configured to generate a second gain stimulus in dependence on the average estimated by the averaging means during the training period; and a gain control signal generator configured to generate a gain control signal for the receiver in dependence on the first gain stimulus and the second gain stimulus.

摘要翻译： 一种具有增益控制电路的信号接收机，包括：检测装置，被配置为在由接收机接收的信号的训练周期内形成过量幅度的表示; 第一增益刺激发生器，被配置为根据在所述训练周期期间由所述检测装置检测到的超出幅度产生第一增益刺激; 平均装置，被配置为估计在训练期间由接收器接收的信号的平均值; 第二增益刺激发生器，被配置为根据平均装置在训练期间估计的平均值产生第二增益刺激; 以及增益控制信号发生器，被配置为根据第一增益刺激和第二增益激励来产生用于接收机的增益控制信号。

公开(公告)号：US08274325B2

公开(公告)日：2012-09-25

申请号：US12921198

申请日：2009-03-05

申请人： Pasquale Lamanna ,  Nicolas Sornin

发明人： Pasquale Lamanna ,  Nicolas Sornin

IPC分类号： H03B1/00

CPC分类号： H03L7/093 ,  H03L7/0893 ,  H03L2207/06

摘要： A loop filter for receiving an input signal indicative of a phase-difference between a reference signal and a signal output by a signal generator and forming a control signal for controlling the signal generator in dependence thereon, the loop filter comprising a plurality of filter components that determine the frequency response of the filter, said filter components being arranged so that a first set of said components determines one or more zeros of the filter's frequency response and a second set of said components determines one or more poles of the filter's frequency response, each of said first and second sets of filter components being independent of the other such that the zero(s) and pole(s) of the filter's frequency response may be selected independently.

摘要翻译： 一种环路滤波器，用于接收指示参考信号和由信号发生器输出的信号之间的相位差的输入信号，并且形成用于根据其控制信号发生器的控制信号，所述环路滤波器包括多个滤波器组件， 确定滤波器的频率响应，所述滤波器组件被布置为使得第一组所述分量确定滤波器的频率响应的一个或多个零，并且第二组所述分量确定滤波器的频率响应的一个或多个极点，每个 所述第一和第二组滤波器组件独立于另一组，使得可以独立地选择滤波器的频率响应的零点和极点。

公开(公告)号：US08183900B2

公开(公告)日：2012-05-22

申请号：US12918451

申请日：2009-03-05

申请人： Pasquale Lamanna ,  Nicolas Sornin

发明人： Pasquale Lamanna ,  Nicolas Sornin

IPC分类号： H03L7/06

CPC分类号： H03L7/0895 ,  H03L7/1974

摘要： A charge pump circuit causes a current to flow either into or out of another circuit in dependence on a current output by first and second current paths, each including a current source and a current control device having two switched nodes, and a control node arranged to control a current flow between the first and second switched nodes. The charge pump further includes a capacitive element and a switching arrangement arranged such that, during a first time period, the capacitive element is in communication with a respective one of the current paths, whereby a current output by the first current path causes an electrical charge to be formed on a first capacitive plate and a current output by the second current path causes an electrical charge to be formed on a second capacitive plate, and during a second time period, the electrical charge formed on the first and second capacitive plates during the first time period is discharged to form a current at an output node.

摘要翻译： 电荷泵电路使得电流根据第一和第二电流路径的电流输出流入或流出另一电路，每个电流路径包括具有两个开关节点的电流源和电流控制装置，以及布置成 控制第一和第二切换节点之间的电流。 电荷泵还包括电容元件和开关装置，其布置成使得在第一时间段期间，电容元件与相应的一个电流路径连通，由此第一电流路径的电流输出导致电荷 形成在第一电容板上，并且由第二电流路径输出的电流导致在第二电容板上形成电荷，并且在第二时间段期间，在第二电容板期间形成在第一和第二电容板上的电荷 第一时间段被放电以在输出节点形成电流。

公开(公告)号：US20120074990A1

公开(公告)日：2012-03-29

申请号：US13241736

申请日：2011-09-23

申请人： Nicolas Sornin

发明人： Nicolas Sornin

IPC分类号： H03B19/00

CPC分类号： H03L7/24 ,  H03L7/081

摘要： A signal generator for generating an output signal with a frequency that is a multiple of a frequency of a reference signal, the signal generator including an oscillator configured to generate the output signal in dependence on the reference signal and a control signal and a control circuit configured to generate the control signal to comprise a series of pulses in which one or more of the pulses is offset in phase relative to the reference signal, the control circuit thereby being capable of controlling the frequency and/or phase of the output signal.

摘要翻译： 一种信号发生器，用于产生具有参考信号频率的倍数的频率的输出信号，所述信号发生器包括被配置为根据所述参考信号产生所述输出信号的振荡器和控制信号以及被配置的控制电路 以产生控制信号以包括其中一个或多个脉冲相对于参考信号相位偏移的一系列脉冲，因此控制电路能够控制输出信号的频率和/或相位。

公开(公告)号：US20110299580A1

公开(公告)日：2011-12-08

申请号：US12992400

申请日：2009-04-07

申请人： Nicolas Sornin

发明人： Nicolas Sornin

IPC分类号： H04B1/10 ,  H04B17/00

CPC分类号： H04B1/1036

摘要： A filter for filtering a received signal to attenuate an interferer therein, the interferer having a component at an interferer frequency, and the filter comprising: an intermediate filter providing a passband and a stopband; a first frequency converter configured to form a first intermediate signal by frequency-shifting an input signal derived from the received signal such that a component of the input signal at the interferer frequency is shifted to a frequency in the passband of the intermediate filter, and to input the first intermediate signal to the intermediate filter so as to cause the first intermediate signal to be filtered by the intermediate filter to form a second intermediate signal; a second frequency converter configured to form a cancellation signal by frequency-shifting the second intermediate signal such that a component of the second intermediate signal in the passband of the intermediate filter is shifted to the interferer frequency; and a cancellation unit configured to cancel the cancellation signal from the received signal to attenuate the interferer therein.

摘要翻译： 一种用于对接收到的信号进行滤波以衰减其中的干扰源的滤波器，所述干扰源具有干扰频率处的分量，并且所述滤波器包括：提供通带和阻带的中间滤波器; 第一变频器，被配置为通过对从接收信号导出的输入信号进行频移来形成第一中间信号，使得干扰频率处的输入信号的分量被转换到中间滤波器的通带中的频率，并且 将第一中间信号输入到中间滤波器，以使第一中间信号被中间滤波器滤波以形成第二中间信号; 第二变频器，被配置为通过对所述第二中间信号进行频率偏移来形成消除信号，使得所述中间滤波器的通带中的所述第二中间信号的分量被偏移到所述干扰频率; 以及取消单元，被配置为从所接收的信号中消除所述抵消信号以衰减所述干扰源。