公开(公告)号：EP1458096A1

公开(公告)日：2004-09-15

申请号：EP03425120.7

申请日：2003-02-26

Applicant: STMicroelectronics S.r.l.

Inventor： Baschirotto, Andrea ,  Liguori, Pietro ,  Colonna, Vittorio ,  Gandolfi, Gabriele

IPC: H03H11/12 ,  H03H11/24

CPC classification number: H03H11/1291 ,  H03H7/24 ,  H03H11/24

Abstract: The present invention refers to a control system for the characteristic parameters of an active filter and to the relative method.
In one embodiment the control system for the characteristic parameters of an active filter (10) comprising: a system (20) for the determination of the technological distribution of the components that provides the information (Ein) related to said technological distribution of the components; an elaboration system (40) for said information (Ein) related to said technological distribution of the components; an active filter (10) including at least two programmable passive circuital elements (R1, R2, R3) receiving said information (Ein) related to said technological distribution of the components; said elaboration system (40), being aware of the topology for said active filter (10), comprises means for determining the value for said at least two programmable passive circuital elements (R1, R2, R3); means for correcting the value for said at least two programmable passive circuital elements (R1, R2, R3) according to the value of the information related to said technological distribution of the components; means for determining the programming values (E1, E2, E3) for said at least two programmable passive circuital elements (R1, R2, R3).

Abstract translation: 本发明涉及一种用于有源滤波器的特性参数的控制系统及其相关方法。 在一个实施例中，用于有源滤波器（10）的特性参数的控制系统包括：用于确定提供与所述技术分布相关的信息（Ein）的组件的技术分布的系统（20） 的组件; 用于与所述组件的所述技术分布相关的所述信息（Ein）的详细系统（40） 包括至少两个可编程无源电路元件（R1，R2，R3）的有源滤波器（10），其接收与所述组件的所述技术分布有关的所述信息（Ein）; 所述精细化系统（40）知道所述有源滤波器（10）的拓扑结构，包括用于确定所述至少两个可编程无源电路元件（R1，R2，R3）的值的装置; 用于根据与所述组件的所述技术分布有关的信息的值来校正所述至少两个可编程无源电路元件（R1，R2，R3）的值的装置; 用于确定所述至少两个可编程无源电路元件（R1，R2，R3）的编程值（E1，E2，E3）的装置。