FR2592241A1 - Circuit limiteur de tension. - Google Patents
Circuit limiteur de tension.Info
- Publication number
- FR2592241A1 FR2592241A1 FR8617903A FR8617903A FR2592241A1 FR 2592241 A1 FR2592241 A1 FR 2592241A1 FR 8617903 A FR8617903 A FR 8617903A FR 8617903 A FR8617903 A FR 8617903A FR 2592241 A1 FR2592241 A1 FR 2592241A1
- Authority
- FR
- France
- Prior art keywords
- circuit
- terminals
- source
- ring
- current mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/002—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general without controlling loop
Landscapes
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Electrical Variables (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
La présente invention concerne un circuit limiteur de tension comprenant un transistor écrêteur T1, un circuit en anneau comprenant deux circuits de miroir de courant T1 - T4 fermés sur eux-mêmes, un premier circuit de miroir de courant T1 et T2 comprenant le transistor écrêteur T1 et étant connecté par ses bornes ne participant au circuit en anneau à l'une des deux bornes A, B de la source de tension Q et le second circuit de miroir de courant T3, T4 étant connecté par ses bornes ne participant pas au circuit en anneau à une source de tension d'alimentation Vcc, et une première source de courant S1 fournissant un courant de polarisation 10, l'électrode de commande du transistor écrêteur T1 étant connectée à une source de tension auxiliaire H. (CF DESSIN DANS BOPI)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853545039 DE3545039A1 (de) | 1985-12-19 | 1985-12-19 | Spannungsbegrenzungsschaltung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2592241A1 true FR2592241A1 (fr) | 1987-06-26 |
FR2592241B1 FR2592241B1 (fr) | 1994-01-28 |
Family
ID=6288924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8617903A Expired - Fee Related FR2592241B1 (fr) | 1985-12-19 | 1986-12-19 | Circuit limiteur de tension. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4831323A (fr) |
DE (1) | DE3545039A1 (fr) |
FR (1) | FR2592241B1 (fr) |
GB (1) | GB2184908B (fr) |
IT (1) | IT1199796B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3935844A1 (de) * | 1989-10-27 | 1991-05-02 | Philips Patentverwaltung | Integrierte begrenzerschaltung fuer wechselspannungen |
US5089767A (en) * | 1990-04-09 | 1992-02-18 | Unitrode Corporation | Current sensor and limiter |
DE4122029C1 (fr) * | 1991-07-03 | 1992-11-26 | Texas Instruments Deutschland Gmbh, 8050 Freising, De | |
US5184033A (en) * | 1991-09-20 | 1993-02-02 | Motorola, Inc. | Regulated BiCMOS output buffer |
EP0720079B1 (fr) * | 1994-12-30 | 2004-09-29 | Co.Ri.M.Me. | Méthode d'extraction de la tension de seuil et circuit la mettant en oeuvre |
US6054845A (en) * | 1998-01-29 | 2000-04-25 | Siemens Aktiengesellschaft | Current limiting circuit |
DE19707708C2 (de) * | 1997-02-26 | 2002-01-10 | Infineon Technologies Ag | Strombegrenzungsschaltung |
US6489827B1 (en) * | 2000-10-30 | 2002-12-03 | Marvell International, Ltd. | Reduction of offset voltage in current mirror circuit |
KR100659272B1 (ko) * | 2005-12-15 | 2006-12-20 | 삼성전자주식회사 | 과전압 제어가 가능한 무선인증용 태그 및 그의 과전압제어 방법 |
US20090121770A1 (en) | 2007-03-29 | 2009-05-14 | Linear Technology Corporation | Method for clamping a semiconductor region at or near ground |
US9019067B2 (en) * | 2010-12-30 | 2015-04-28 | Sargent Manufacturing Company | Electronic lock with power failure control circuit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027177A (en) * | 1975-03-05 | 1977-05-31 | Motorola, Inc. | Clamping circuit |
EP0153492A1 (fr) * | 1984-02-08 | 1985-09-04 | Robert Bosch Gmbh | Circuit de protection pour appareils commandé par signaux électriques |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3691426A (en) * | 1971-10-26 | 1972-09-12 | Teledyne Inc | Current limiter responsive to current flow and temperature rise |
US4123698A (en) * | 1976-07-06 | 1978-10-31 | Analog Devices, Incorporated | Integrated circuit two terminal temperature transducer |
DE3047685C2 (de) * | 1980-12-18 | 1986-01-16 | Telefunken electronic GmbH, 7100 Heilbronn | Temperaturstabile Spannungsquelle |
JPS5880715A (ja) * | 1981-11-06 | 1983-05-14 | Toshiba Corp | 電流源回路 |
JPS58101310A (ja) * | 1981-12-11 | 1983-06-16 | Toshiba Corp | 電流制御回路 |
US4435678A (en) * | 1982-02-26 | 1984-03-06 | Motorola, Inc. | Low voltage precision current source |
US4528496A (en) * | 1983-06-23 | 1985-07-09 | National Semiconductor Corporation | Current supply for use in low voltage IC devices |
JPS61187406A (ja) * | 1985-02-14 | 1986-08-21 | Toshiba Corp | 低電圧用カレントミラ−回路 |
DE3531645A1 (de) * | 1985-09-05 | 1987-03-05 | Bosch Gmbh Robert | Schaltungsanordnung zum schutz gegen auf signalleitungen auftretenden stoerspannungen |
US4677368A (en) * | 1986-10-06 | 1987-06-30 | Motorola, Inc. | Precision thermal current source |
-
1985
- 1985-12-19 DE DE19853545039 patent/DE3545039A1/de active Granted
-
1986
- 1986-12-12 GB GB8629780A patent/GB2184908B/en not_active Expired
- 1986-12-17 IT IT22720/86A patent/IT1199796B/it active
- 1986-12-18 US US06/943,080 patent/US4831323A/en not_active Expired - Lifetime
- 1986-12-19 FR FR8617903A patent/FR2592241B1/fr not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4027177A (en) * | 1975-03-05 | 1977-05-31 | Motorola, Inc. | Clamping circuit |
EP0153492A1 (fr) * | 1984-02-08 | 1985-09-04 | Robert Bosch Gmbh | Circuit de protection pour appareils commandé par signaux électriques |
Also Published As
Publication number | Publication date |
---|---|
DE3545039C2 (fr) | 1989-07-06 |
GB2184908B (en) | 1989-10-18 |
GB8629780D0 (en) | 1987-01-21 |
US4831323A (en) | 1989-05-16 |
FR2592241B1 (fr) | 1994-01-28 |
GB2184908A (en) | 1987-07-01 |
IT8622720A0 (it) | 1986-12-17 |
IT1199796B (it) | 1988-12-30 |
DE3545039A1 (de) | 1987-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
D6 | Patent endorsed licences of rights | ||
ST | Notification of lapse |