公开(公告)号：EP0829997B1

公开(公告)日：2003-06-25

申请号：EP96830456.8

申请日：1996-08-30

Applicant: STMicroelectronics S.r.l.

Inventor： Milanese, Carlo Maria ,  Pasetti, Mauro

IPC: H04M15/00

CPC classification number: H04M15/00

公开(公告)号：EP0622943B1

公开(公告)日：2001-09-12

申请号：EP93830188.4

申请日：1993-04-30

Applicant: STMicroelectronics S.r.l.

Inventor： Pasetti, Mauro ,  Saviotti, Vanni ,  Torazzina, Aldo

IPC: H04M19/00 ,  H04M3/18

CPC classification number: H04M3/18 ,  H04M19/001

Abstract: A circuit for handling power dissipation through telephone subscriber line power supply interface devices using a pair of final stages (4,5) to which an external component (3) effective to dissipate power is connected. The largest current supplied into the line is controlled by discrete reference circuit means (11,12,13) to which the final stages may be connected upon the longitudinal current on the line exceeding a predetermined value. On that occurrence, the external component (3) is also disabled.

Abstract translation: 一种用于通过电话用户线电源接口装置处理功率消耗的电路，其使用有效耗散功率的外部组件（3）的一对最后级（4,5）。 供给到线路中的最大电流由离散参考电路装置（11,12,13）控制，最终级可以在超过预定值的线上的纵向电流上连接到其上。 在这种情况下，外部组件（3）也被禁用。

公开(公告)号：EP1017211A2

公开(公告)日：2000-07-05

申请号：EP99126236.1

申请日：1999-12-30

Applicant: STMicroelectronics S.r.l.

Inventor： Pasetti, Mauro ,  Milanese, Carlo Maria

IPC: H04M3/00 ,  H04M19/00

CPC classification number: H04M3/005 ,  H04M11/062 ,  H04M19/005

Abstract: The invention relates to a monolithically integrated telephone circuit for driving wide-band telephone lines and transmitting digital data at a very high frequency. The telephone circuit is powered from a battery DC supply providing a pair of voltage references. The telephone circuit includes an output circuit portion including a pair of differential output stages, each having a pair of inputs and being connected with its output to a respective lead of a two-wire telephone line. The telephone circuit also includes a device for deriving a reference voltage from the supply voltage, and includes a low-voltage supply network which is input a DC signal and produces a voltage reference to be added to the reference voltage for delivery to one input of each output stage. The other input of each stage receives an AC signal in order to present at the circuit output a suitable AC+DC differential voltage for driving the telephone line.

Abstract translation: 本发明涉及到一个单片集成电话电路，用于以非常高的频率驱动宽带电话线和发送数字数据。 电话电路从电池的直流电源提供的一对基准电压的供电。 电话电路包括包含一对差动输出级，每一个都具有一对输入端和同其输出到一个两线电话线的respectivement引线被连接输出电路部分。 因此，该电话电路包括用于从电源电压的参考电压的装置，并且包括一个低电压供电网络的所有所输入的DC信号，并产生一个参考电压被添加到用于递送所述基准电压施加到每个的一个输入 输出级。 每个级的另一输入，以呈现在所述电路输出的合适的AC + DC差分电压用于驱动电话线路上接收的AC信号。

公开(公告)号：EP1017211B1

公开(公告)日：2005-10-26

申请号：EP99126236.1

申请日：1999-12-30

Applicant: STMicroelectronics S.r.l.

Inventor： Pasetti, Mauro ,  Milanese, Carlo Maria

IPC: H04M3/00 ,  H04M19/00

CPC classification number: H04M3/005 ,  H04M11/062 ,  H04M19/005

公开(公告)号：EP1017211A3

公开(公告)日：2003-06-25

申请号：EP99126236.1

申请日：1999-12-30

Applicant: STMicroelectronics S.r.l.

Inventor： Pasetti, Mauro ,  Milanese, Carlo Maria

IPC: H04M3/00 ,  H04M19/00

CPC classification number: H04M3/005 ,  H04M11/062 ,  H04M19/005

Abstract: The invention relates to a monolithically integrated telephone circuit for driving wide-band telephone lines and transmitting digital data at a very high frequency. The telephone circuit is powered from a battery DC supply providing a pair of voltage references. The telephone circuit includes an output circuit portion including a pair of differential output stages, each having a pair of inputs and being connected with its output to a respective lead of a two-wire telephone line. The telephone circuit also includes a device for deriving a reference voltage from the supply voltage, and includes a low-voltage supply network which is input a DC signal and produces a voltage reference to be added to the reference voltage for delivery to one input of each output stage. The other input of each stage receives an AC signal in order to present at the circuit output a suitable AC+DC differential voltage for driving the telephone line.