公开(公告)号：EP1209809A1

公开(公告)日：2002-05-29

申请号：EP00830775.3

申请日：2000-11-24

Applicant: STMicroelectronics S.r.l. ,  STMicroelectronics, Inc.

Inventor： Hernden, Charles G. ,  Pasolini, Fabio

IPC: H03K5/15 ,  H03M3/02

CPC classification number: H03K5/15 ,  G11B20/10 ,  H03K5/135 ,  H03K2005/00247 ,  H03L7/06

Abstract: A device for generating synchronous numeric signals, including a reference generating device supplying a reference signal and a first timing signal (T 1 ), both having a reference frequency (F 1 ); and a timed generating device (30,31,35) supplying a synchronized signal (S ACC ) having the reference frequency (F 1 ). The device further includes a synchronization stage generating a second timing signal (T 2 ) having a first controlled frequency (F 2 ) correlated to the reference frequency (F 1 ), and phase synchronization pulses (T DEC ) having the first frequency (F 1 ) and a preset delay (K) programmable with respect to the first timing signal (T 1 ).

Abstract translation: 一种用于产生同步数字信号的装置，包括提供参考信号的参考产生装置和具有参考频率（F1）的第一定时信号（T1）; 以及提供具有参考频率（F1）的同步信号（SACC）的定时发生装置（30,31,35）。 该装置还包括产生具有与基准频率（F1）相关的第一受控频率（F2）的第二定时信号（T2）的同步级，以及具有第一频率（F1）和预定延迟的相位同步脉冲（TDEC） （K）相对于第一定时信号（T1）可编程。

公开(公告)号：EP1209677A1

公开(公告)日：2002-05-29

申请号：EP00830776.1

申请日：2000-11-24

Applicant: STMicroelectronics S.r.l. ,  STMicroelectronics, Inc.

Inventor： Pasolini, Fabio ,  Lasalandra, Ernesto ,  Bendiscioli, Paolo ,  Hernden, Charles G.

IPC: G11B20/10 ,  G11B20/24 ,  G11B5/596 ,  G11B5/55

CPC classification number: G11B20/10009 ,  G11B20/24

Abstract: A noise compensating device in a discrete time control system, for a R/W system for hard disks, including: a control loop (21-24) generating a first timing signal (T 1 ), a signal indicative of a quantity to be controlled (S POS ), and a control signal (S CONTR ), which have a first frequency (F 1 ) ; and an open loop control line (27) which generates a compensation signal (S COMP ) synchronous with the control signal (S CONTR ) and includes a sensor (17). The sensor includes a sensing element (30), generating an analog signal (V M ), an acquisition stage (31), connected to the sensing element (30) and generating a disturbance measure signal (S ACC ) correlated to the analog signal (V M ) and synchronous with the control signal (S CONTR ), and a synchronization stage (32). The synchronization stage (32) includes a frequency generator (42) having an input receiving the first timing signal (T 1 ) and a first and a second output (42b, 42c) connected to the acquisition stage (31) and generating, respectively, a second timing signal (T 2 ) and a third timing signal (T 3 ).

Abstract translation: 一种用于硬盘R / W系统的离散时间控制系统中的噪声补偿装置，包括：产生第一定时信号（T1）的控制回路（21-24），指示待控制量的信号 SPOS）和具有第一频率（F1）的控制信号（SCONTR）; 以及产生与控制信号（SCONTR）同步的补偿信号（SCOMP）的开环控制线（27），并且包括传感器（17）。 所述传感器包括感测元件（30），产生连接到感测元件（30）的模拟信号（VM），采集级（31），并产生与模拟信号（VM）相关的干扰测量信号（SACC） 并与控制信号（SCONTR）同步，以及同步级（32）。 同步级（32）包括频率发生器（42），其具有接收第一定时信号（T1）的输入和连接到采集级（31）的第一和第二输出（42b，42c），并分别产生 第二定时信号（T2）和第三定时信号（T3）。