公开(公告)号：EP1164695B1

公开(公告)日：2006-09-06

申请号：EP00830419.8

申请日：2000-06-13

Applicant: STMicroelectronics S.r.l.

Inventor： Brambilla, Davide ,  Nebuloni, Daniela ,  Cleris, Mauro

IPC: H03F1/34 ,  H03F1/32

CPC classification number: H03F1/3217 ,  H03F1/34

公开(公告)号：EP1564617A1

公开(公告)日：2005-08-17

申请号：EP04425088.4

申请日：2004-02-11

Applicant: STMicroelectronics S.r.l.

Inventor： Brambilla, Davide ,  Nebuloni, Daniela

IPC: G05F1/56

CPC classification number: G05F1/56

Abstract: In a device that includes a pair of closed-loop voltage regulators each comprising an input transconductance stage receiving a reference voltage and a feedback voltage, an intermediate transresistance stage, an output buffer operatively in cascade for generating on an output node the regulated output voltage and negative feedback means for providing the feedback voltage to the input stage, the method of this invention may be implemented by a circuit that limits the difference between two output regulated voltages.
The limiting circuit comprises at least a differential transconductance amplifier input with voltages proportional to the output voltages of the regulators or obtained by adding an offset voltage to the output voltage of the regulators for injecting in or draining from an input node of the intermediate stage of one of the regulators a current in function of the relative unbalance of the differential transconductance amplifier.

Abstract translation: 在的装置做了包括一对闭环电压调节器输入跨导级的每个包括：接收一参考电压，并在中间跨电阻级的反馈电压，以可操作地输出缓冲器在级联在输出节点处的调节的输出电压生成并 负反馈装置，用于提供反馈电压到输入级，本发明的方法可以通过一个电路限制做调节两个输出电压之间的差来实现。 的限制电路包括至少相电压成比例的调节器的输出电压或通过添加到偏移电压的稳压器的输出电压为注入或从在所述输入节点排水得到的差分跨导放大器的输入 调节器在差分跨导放大器的相对不平衡的函数的电流的一个的中间阶段。

公开(公告)号：EP0760555B9

公开(公告)日：2005-05-04

申请号：EP95830369.5

申请日：1995-08-31

Applicant: STMicroelectronics S.r.l.

Inventor： Brambilla, Davide ,  Nebuloni, Daniela ,  Rossi, Giorgio ,  Lecce, Sergio

IPC: H03F3/345 ,  G05F3/26

CPC classification number: H03F3/345 ,  G05F3/267

公开(公告)号：EP1093220A1

公开(公告)日：2001-04-18

申请号：EP99830653.4

申请日：1999-10-15

Applicant: STMicroelectronics S.r.l.

Inventor： Ranieri, Danilo ,  Brambilla, Davide ,  Botti, Edoardo ,  Celant, Luca

IPC: H03F1/52 ,  H04R3/00

CPC classification number: H03F1/52

Abstract: A method of assessing the offset on the output nodes of an amplifying channel by generating a logic signal signalling the existence of an offset of a level exceeding a window of permitted levels symmetric about the zero level, defined by a negative limit value and by a positive limit value, consists in

establishing an interval or phase of detection by applying to an input of a detection circuit a timing pulse with a certain frequency;
sensing the rising edge of the timing pulse and setting a bistable circuit;
comparing the signal on the output nodes of the amplifiers channel with said window of permitted values;
resetting said bistable circuit upon the occurrence, after said initial setting, of an output signal amplitude within said window of permitted values;
failure of said bistable circuit to reset before the end of the detection phase signalling an excessive offset.

Abstract translation: 一种通过产生逻辑信号来估计放大信道的输出节点上的偏移的方法，该逻辑信号指示存在超过由负极限值定义的零电平对称的允许电平的窗口的电平的偏移，以及正的 限制值包括通过向检测电路的输入施加具有一定频率的定时脉冲来建立检测的间隔或相位; 感测定时脉冲的上升沿并设置双稳态电路; 将放大器通道的输出节点上的信号与允许值的窗口进行比较; 在所述初始设置之后，在所述允许值的窗口内的输出信号振幅发生时，重置所述双稳态电路; 所述双稳态电路的故障在检测阶段结束之前复位，发出过大的偏移。

公开(公告)号：EP1061427A1

公开(公告)日：2000-12-20

申请号：EP99830369.7

申请日：1999-06-15

Applicant: STMicroelectronics S.r.l.

Inventor： Brambilla, Davide ,  Capodivacca, Giovanni ,  Ranieri, Danilo

IPC: G05F1/569 ,  H03F1/52

CPC classification number: H03F3/3071 ,  H03F1/52 ,  H03F3/50

Abstract: A method of voltage driving with a controlled current a load consists in implementing a negative feedback of the output current, measured on the collector of the output transistor of the output stage, comparing the measured output current with the input current and injecting a current difference on base node of the transistor onto which voltage driving is exerted.

Abstract translation: 以受控电流为载荷的电压驱动方法包括实现在输出级输出晶体管的集电极上测量的输出电流的负反馈，将测量的输出电流与输入电流进行比较，并将电流差分注入 施加电压驱动的晶体管的基极节点。