公开(公告)号：US09473097B2

公开(公告)日：2016-10-18

申请号：US14515342

申请日：2014-10-15

Applicant: STMicroelectronics SA

Inventor： Emmanuel Rouat

IPC: H03F1/34 ,  H03G3/30 ,  H03F3/45 ,  H03G1/00 ,  H03G3/00

CPC classification number: H03G3/30 ,  H03F3/45071 ,  H03F2203/45178 ,  H03F2203/45202 ,  H03F2203/45336 ,  H03F2203/45528 ,  H03G1/0088 ,  H03G3/001

Abstract: A resistive ladder has first, second and third resistors coupled in series between first and second voltage terminals. A first node of the first resistor is coupled to the first voltage terminal and a first node of the third resistor is coupled to the second voltage terminal. A voltage selection unit has a first input coupled to a first node of the second resistor and a second input coupled to a second node of the second resistor and is adapted to selectively couple one of the first and second inputs to an output node of said resistive ladder. The resistive ladder also includes a first switch coupled between a second node of the third resistor and the second voltage terminal.

Abstract translation: 电阻梯具有在第一和第二电压端子之间串联耦合的第一，第二和第三电阻器。 第一电阻器的第一节点耦合到第一电压端子，并且第三电阻器的第一节点耦合到第二电压端子。 电压选择单元具有耦合到第二电阻器的第一节点的第一输入和耦合到第二电阻器的第二节点的第二输入，并且适于选择性地将第一和第二输入中的一个耦合到所述电阻的输出节点 阶梯。 电阻梯还包括耦合在第三电阻器的第二节点和第二电压端子之间的第一开关。

公开(公告)号：US20150109057A1

公开(公告)日：2015-04-23

申请号：US14515342

申请日：2014-10-15

Applicant: STMicroelectronics SA

Inventor： Emmanuel Rouat

IPC: H03G3/30 ,  H03F3/45

CPC classification number: H03G3/30 ,  H03F3/45071 ,  H03F2203/45178 ,  H03F2203/45202 ,  H03F2203/45336 ,  H03F2203/45528 ,  H03G1/0088 ,  H03G3/001

Abstract: A resistive ladder has first, second and third resistors coupled in series between first and second voltage terminals. A first node of the first resistor is coupled to the first voltage terminal and a first node of the third resistor is coupled to the second voltage terminal. A voltage selection unit has a first input coupled to a first node of the second resistor and a second input coupled to a second node of the second resistor and is adapted to selectively couple one of the first and second inputs to an output node of said resistive ladder. The resistive ladder also includes a first switch coupled between a second node of the third resistor and the second voltage terminal.

Abstract translation: 电阻梯具有在第一和第二电压端子之间串联耦合的第一，第二和第三电阻器。 第一电阻器的第一节点耦合到第一电压端子，并且第三电阻器的第一节点耦合到第二电压端子。 电压选择单元具有耦合到第二电阻器的第一节点的第一输入和耦合到第二电阻器的第二节点的第二输入，并且适于选择性地将第一和第二输入中的一个耦合到所述电阻的输出节点 阶梯。 电阻梯还包括耦合在第三电阻器的第二节点和第二电压端子之间的第一开关。