公开(公告)号：EP1096676A1

公开(公告)日：2001-05-02

申请号：EP99830668.2

申请日：1999-10-25

Applicant: STMicroelectronics S.r.l.

Inventor： Poletto, Vanni

IPC: H03K3/03

CPC classification number: H03K3/03 ,  H03K3/354

Abstract: The present invention refers to an oscillator of the type using digital inverter circuits. In an embodiment the oscillator comprises:

a first inverter (20) having a first input and a first output;
a second inverter (21) having a second input and a second output; said first output being coupled to said second input;
a first capacitor (C) applied between said second output and said first input;
characterized by further comprising
a first current generator (22) generating a first prefixed current able to charge said capacitor responsive to a first control signal;
a second current generator (25) generating a second prefixed current able to discharge said capacitor responsive to a second control signal;
said first and second control signal being complementary.

Abstract translation: 本发明涉及使用数字逆变器电路的振荡器。 在一个实施例中，振荡器包括：具有第一输入和第一输出的第一反相器（20） 具有第二输入和第二输出的第二反相器（21）; 所述第一输出端耦合到所述第二输入端; 施加在所述第二输出和所述第一输入之间的第一电容器（C） 其特征在于，还包括产生第一预定电流的第一电流发生器（22），所述第一预定电流能够响应于第一控制信号对所述电容器充电; 产生第二预定电流的第二电流发生器（25），其响应于第二控制信号而能够对所述电容器进行放电; 所述第一和第二控制信号是互补的。

公开(公告)号：EP0829730B1

公开(公告)日：2001-02-21

申请号：EP96830472.5

申请日：1996-09-17

Applicant: STMicroelectronics S.r.l. ,  MAGNETI MARELLI S.p.A.

Inventor： Crespi, Angelo ,  Chicca, Stefania ,  Mastella, Paolo ,  Poletto, Vanni

IPC: G01R31/02 ,  G01R31/00

CPC classification number: G01R31/026 ,  G01R15/14 ,  G01R19/0023 ,  G01R19/16519 ,  G01R31/006

公开(公告)号：EP0949736A1

公开(公告)日：1999-10-13

申请号：EP98830221.2

申请日：1998-04-10

Applicant: STMicroelectronics S.r.l.

Inventor： Crespi, Angelo ,  Poletto, Vanni

IPC: H02H7/122

CPC classification number: H02H7/1222

Abstract: An electronic circuit with suppression of high-voltage transients on the power supply line, comprising at least one pair of power transistors (T1, T2) which are series-connected between a power source and the ground, each power transistor being provided with a respective driving circuit (1, 2); the electronic circuit comprises, for each one of the transistors (T1, T2) of the pair, a diode (D1, D2) and a Zener diode (Z1, Z2), the diode (D1) of the transistor (T1) connected to the supply voltage being connected, by means of its anode terminal, to the base terminal of the transistor (T1, T2) and, by means of its cathode terminal, to the cathode terminal of the Zener diode (Z1), the anode terminal whereof is connected to the power source, the cathode terminal of the Zener diode (Z2) of the transistor (T2) that is connected to the ground being connected to the anode terminal of the Zener diode (Z1) related to the transistor (T1) that is connected to the power supply.

Abstract translation: 与电源线的高电压瞬变的抑制的电子电路，其包括至少一对功率晶体管（T1，T2），其串联连接在电源和地之间的，各功率晶体管设置有respectivement 驱动电路（1，2）; 所述电子电路包括，对于一对，二极管（D1，D2）和一个齐纳二极管（Z1，Z2）的晶体管（T1，T2）中的每一个，所述二极管的晶体管的（D1）（T1）被连接到 电源电压相连接，通过它的阳极端子的手段，向晶体管（T1，T2）和，的基极端子通过其阴极端子的手段，与齐纳二极管的阴极端子（Z1），阳极端子WHEREOF 被连接到功率源，齐纳二极管的晶体管（T2）的（Z2）的阴极端子也被连接到地被连接到相关的晶体管（T1）的齐纳二极管（Z1）的阳极端子那样 被连接到电源。