公开(公告)号：US20110070851A1

公开(公告)日：2011-03-24

申请号：US12887137

申请日：2010-09-21

申请人： Arnaud CASAGRANDE ,  Carlos Velasquez ,  Emil Zellweger

发明人： Arnaud CASAGRANDE ,  Carlos Velasquez ,  Emil Zellweger

IPC分类号： H03D7/16

CPC分类号： G04R20/10

摘要： The receiver (1) is for receiving radio-synchronous signals for adjusting the time base of a timepiece. The receiver includes an antenna (2) for receiving radio-synchronous signals, a low noise amplifier (3), connected to the antenna, a frequency conversion unit (7) for converting the frequency of the filtered and amplified incoming signals from the amplifier, and a processing unit (8) receiving data signals (data_out) from the conversion unit for adjusting the time base. The conversion unit includes a local oscillator stage (10) with a quartz (12) for supplying oscillating signals (Sm) at a determined frequency, a mixer unit (4) for mixing the incoming signals with the oscillating signals from the oscillator stage to generate intermediate signals (IF), a bandpass filter (5) for filtering the intermediate signals (IF), and a demodulator (6) receiving the filtered intermediate signals and supplying the data signals. The local oscillator stage is configured automatically by a control signal (Cm) from the processing unit to adapt the frequency of the oscillating signals (Sm) in accordance with the incoming radio-synchronous signal frequency, so that the intermediate signal (IF) frequency is within the frequency band of the bandpass filter.

摘要翻译： 接收机（1）用于接收用于调整时计时基的无线电同步信号。 接收机包括用于接收无线电同步信号的天线（2），连接到天线的低噪声放大器（3），用于转换来自放大器的滤波和放大的输入信号的频率的变频单元（7） 以及从所述转换单元接收用于调整所述时基的数据信号（data_out）的处理单元（8）。 转换单元包括具有用于以确定的频率提供振荡信号（Sm）的石英（12）的本地振荡器级（10），用于将输入信号与来自振荡器级的振荡信号混合的混合器单元（4），以产生 中间信号（IF），用于对中间信号（IF）进行滤波的带通滤波器（5）以及接收经过滤波的中间信号并提供数据信号的解调器（6）。 本地振荡器级由来自处理单元的控制信号（Cm）自动配置，以根据输入的无线电同步信号频率调整振荡信号（Sm）的频率，使得中间信号（IF）频率为 在带通滤波器的频带内。

公开(公告)号：US20100255799A1

公开(公告)日：2010-10-07

申请号：US12755111

申请日：2010-04-06

申请人： Arnaud CASAGRANDE ,  Carlos Velasquez ,  Emil Zellweger

发明人： Arnaud CASAGRANDE ,  Carlos Velasquez ,  Emil Zellweger

IPC分类号： H04B1/18

CPC分类号： H04B1/406 ,  H04L27/1525

摘要： The receiver (1) for FSK modulation signals includes an antenna (2) for receiving modulated data or control signals, a low noise amplifier (3) for amplifying and filtering the signals picked up by the antenna, a local oscillator (6) with a quartz resonator (7) for supplying high frequency, in-phase signals (SI), and high frequency, in-quadrature signals (SQ), first and second mixers (4, 5) for mixing the high frequency, in-phase and in-quadrature signals with the filtered and amplified incoming signals, in order to generate intermediate signals (Im, Qm), and a filtering unit (12) for filtering the intermediate signals. The receiver can be configured to receive modulated data or control signals at low rate. The filtering unit supplies intermediate signals (IF, QF) filtered in a polyphase filter (13) to a first demodulation stage in medium or high rate mode, or intermediate, baseband signals filtered in the polyphase filter, which is converted into two low-pass filters (14, 15), to a second demodulation stage in low rate mode.

摘要翻译： 用于FSK调制信号的接收机（1）包括用于接收调制数据或控制信号的天线（2），用于对由天线拾取的信号进行放大和滤波的低噪声放大器（3），具有 石英谐振器（7），用于提供高频，同相信号（SI）和高频正交信号（SQ），第一和第二混频器（4,5），用于混合高频，同相和 - 滤波单元（12），用于对中间信号进行滤波，以产生中间信号（Im，Qm）。 接收器可被配置为以低速率接收调制数据或控制信号。 滤波单元将在多相滤波器（13）中滤波的中间信号（IF，QF）提供给中等或高速率模式的第一解调级或在多相滤波器中滤波的中间基带信号，其被转换成两个低通 滤波器（14,15）到低速率模式的第二解调级。

公开(公告)号：US20120164966A1

公开(公告)日：2012-06-28

申请号：US13331720

申请日：2011-12-20

申请人： Arnaud CASAGRANDE ,  Jean-Luc AREND

发明人： Arnaud CASAGRANDE ,  Jean-Luc AREND

IPC分类号： H04B1/16

CPC分类号： H04L27/14

摘要： The high sensitivity FSK radiofrequency signal receiver includes an antenna for receiving FSK radiofrequency signals, a LNA amplifier receiving signals picked up by the antenna, a local oscillator for supplying oscillating signals, a mixer for mixing the incoming signals with the oscillating signals to produce intermediate signals. The receiver includes a broadband or poly-phase filter for filtering the intermediate signals, and a sampler for supplying sampled intermediate signals to a high sensitivity demodulation stage, which supplies data signals. The receiver includes a processing circuit for performing a discrete Fourier transform of sampled intermediate signals. The selector at the processing circuit output determines the difference between the signal amplitude peak frequency above a determined threshold and the expected frequency of the intermediate signals. The frequency difference enables for correcting the oscillating signals frequency, to enable the demodulation stage to demodulate the data in the sampled intermediate signals and supply data signals.

摘要翻译： 高灵敏度FSK射频信号接收机包括用于接收FSK射频信号的天线，接收由天线拾取的信号的LNA放大器，用于提供振荡信号的本地振荡器，用于将输入信号与振荡信号混合以产生中间信号的混频器 。 接收机包括用于对中间信号进行滤波的宽带或多相滤波器，以及用于将采样的中间信号提供给提供数据信号的高灵敏度解调级的采样器。 接收机包括用于对采样的中间信号执行离散付里叶变换的处理电路。 处理电路输出处的选择器确定高于确定的阈值的信号幅度峰值频率与中间信号的预期频率之间的差。 该频率差使得能够对振荡信号频率进行校正，使得解调级能够解调采样的中间信号中的数据并提供数据信号。

公开(公告)号：US20120045023A1

公开(公告)日：2012-02-23

申请号：US13210699

申请日：2011-08-16

申请人： Arnaud CASAGRANDE

发明人： Arnaud CASAGRANDE

IPC分类号： H04L27/14

CPC分类号： H04L27/1525

摘要： The receiver (1) picks up low rate FSK radio frequency signals. This receiver includes an antenna (2) for receiving FSK radio frequency signals, a low noise amplifier (3) connected to the antenna, a local oscillator (7) for supplying oscillating signals (LO), a phase shift circuit (16) for performing a 0° to 90° phase shift, and vice versa, in the oscillating signals (LO) or the incoming FSK radio frequency signals in each semi-period of a phase switching cycle (1/fs). The phase shift circuit alternately and successively generates in-phase and quadrature oscillating signals, or in-phase and quadrature incoming FSK radio frequency signals. The receiver includes a single mixer (4) for mixing the oscillating signals successively with the incoming FSK radio frequency signals, so as to generate alternately intermediate in-phase and quadrature baseband signals (INT) as a function of the phase shift circuit. The receiver further includes a low-pass filter (8) for filtering the intermediate in-phase and quadrature signals, and a demodulation stage (20) for demodulating the data (DOUT) from the filtered intermediate signals. The receiver is arranged such that the phase shift circuit (16) is switched by a phase selection signal (SEL) to a phase switching cycle frequency (fs) which is lower than the frequency deviation (Δf) of the modulated data in the FSK radio frequency signals and higher than the data rate frequency. Magic circuits (14, 15) in the demodulation stage reconstruct the intermediate signals during each switch operation for continuous demodulation in the demodulator (12).

摘要翻译： 接收机（1）拾取低速FSK射频信号。 该接收机包括用于接收FSK射频信号的天线（2），连接到天线的低噪声放大器（3），用于提供振荡信号的本地振荡器（7），用于执行的相移电路（16） 在相位切换周期（1 / fs）的每个半周期的振荡信号（LO）或输入的FSK射频信号中，相位偏移为0°至90°，反之亦然。 相移电路交替并连续产生同相和正交振荡信号，或同相和正交输入的FSK射频信号。 接收机包括用于将振荡信号连续地与输入的FSK射频信号混合的单个混合器（4），以便产生作为相移电路的函数的交替中间同相和正交基带信号（INT）。 接收机还包括用于对中间同相和正交信号进行滤波的低通滤波器（8），以及用于从滤波后的中间信号中解调数据（DOUT）的解调级（20）。 接收器被布置成使得相移电路（16）通过相位选择信号（SEL）切换到相位切换周期频率（fs），该相位切换周期频率（fs）低于所述调制数据的频率偏差（＆Dgr; f） FSK射频信号高于数据速率频率。 解调级中的魔术电路（14,15）在用于解调器（12）中的连续解调的每个开关操作期间重建中间信号。

公开(公告)号：US20120099633A1

公开(公告)日：2012-04-26

申请号：US13276429

申请日：2011-10-19

申请人： Arnaud CASAGRANDE

发明人： Arnaud CASAGRANDE

IPC分类号： H04B17/00

CPC分类号： H04L7/0331 ,  H03L7/0807 ,  H03L7/085

摘要： The data processing unit (15) for a receiver of signals carrying information (1) includes a clock and data recovery circuit (16) on the basis of a data signal (DOUT), and a processor circuit (17) connected to the clock and data recovery circuit. The clock and data recovery circuit is clocked by a local clock signal (CLK) and includes a numerical phase lock loop, in which a numerically controlled oscillator (25) is arranged. This numerically controlled oscillator generates an in-phase pulse signal (IP) and a quadrature pulse signal (QP) at output. The frequency and phase of the pulse signals IP and QP are adapted on the basis of the received data signal (DOUT). The processor circuit is arranged to calculate over time the mean and variance of the numerical input signal (NCOIN) of the numerically controlled oscillator (25), so as to determine the coherence of the data signal if the calculated mean and variance are below a predefined coherence threshold.

摘要翻译： 用于携带信息（1）的信号的接收器的数据处理单元（15）包括基于数据信号（DOUT）的时钟和数据恢复电路（16）和连接到时钟的处理器电路（17） 数据恢复电路。 时钟和数据恢复电路由本地时钟信号（CLK）计时，并且包括数字锁相环，其中布置有数控振荡器（25）。 该数控振荡器在输出时产生同相脉冲信号（IP）和正交脉冲信号（QP）。 脉冲信号IP和QP的频率和相位根据接收的数据信号（DOUT）进行调整。 处理器电路被配置为随时间计算数控振荡器（25）的数字输入信号（NCOIN）的均值和方差，以便如果所计算出的平均值和方差低于预定义的值，则确定数据信号的相干性 一致性阈值