FR2684205A1 - Miroir de courant a faible erreur de recopie. - Google Patents
Miroir de courant a faible erreur de recopie. Download PDFInfo
- Publication number
- FR2684205A1 FR2684205A1 FR9114405A FR9114405A FR2684205A1 FR 2684205 A1 FR2684205 A1 FR 2684205A1 FR 9114405 A FR9114405 A FR 9114405A FR 9114405 A FR9114405 A FR 9114405A FR 2684205 A1 FR2684205 A1 FR 2684205A1
- Authority
- FR
- France
- Prior art keywords
- branch
- transistors
- error
- gain
- 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
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003503 early effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is DC
- G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
- G05F3/265—Current mirrors using bipolar transistors only
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9114405A FR2684205A1 (fr) | 1991-11-22 | 1991-11-22 | Miroir de courant a faible erreur de recopie. |
| EP92403026A EP0549381B1 (fr) | 1991-11-22 | 1992-11-10 | Miroir de courant à faible erreur de recopie |
| DE69203436T DE69203436T2 (de) | 1991-11-22 | 1992-11-10 | Stromspiegel mit niedrigem Wiedergabefehler. |
| US07/974,883 US5307027A (en) | 1991-11-22 | 1992-11-12 | Current mirror with low copying error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9114405A FR2684205A1 (fr) | 1991-11-22 | 1991-11-22 | Miroir de courant a faible erreur de recopie. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2684205A1 true FR2684205A1 (fr) | 1993-05-28 |
| FR2684205B1 FR2684205B1 (OSRAM) | 1995-02-24 |
Family
ID=9419212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9114405A Granted FR2684205A1 (fr) | 1991-11-22 | 1991-11-22 | Miroir de courant a faible erreur de recopie. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5307027A (OSRAM) |
| EP (1) | EP0549381B1 (OSRAM) |
| DE (1) | DE69203436T2 (OSRAM) |
| FR (1) | FR2684205A1 (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE513677C2 (sv) * | 1996-11-08 | 2000-10-23 | Ericsson Telefon Ab L M | Anordning för att stabilisera slutsteg jämte slutsteg |
| US5859568A (en) * | 1997-04-11 | 1999-01-12 | Raytheon Company | Temperature compensated amplifier |
| US5969574A (en) * | 1998-06-04 | 1999-10-19 | Analog Devices, Inc. | Low voltage current sense amplifier |
| US6930300B1 (en) * | 2002-07-30 | 2005-08-16 | Finisar Corporation | Method and apparatus for monitoring a photo-detector in an optical transceiver |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843933A (en) * | 1973-04-06 | 1974-10-22 | Rca Corp | Current amplifier |
| DE2738205A1 (de) * | 1976-08-24 | 1978-03-09 | Sony Corp | Stromspiegelschaltung |
| US4237414A (en) * | 1978-12-08 | 1980-12-02 | Motorola, Inc. | High impedance output current source |
| EP0419819A1 (en) * | 1989-09-27 | 1991-04-03 | Motorola, Inc. | Current mirror |
-
1991
- 1991-11-22 FR FR9114405A patent/FR2684205A1/fr active Granted
-
1992
- 1992-11-10 EP EP92403026A patent/EP0549381B1/fr not_active Expired - Lifetime
- 1992-11-10 DE DE69203436T patent/DE69203436T2/de not_active Expired - Fee Related
- 1992-11-12 US US07/974,883 patent/US5307027A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843933A (en) * | 1973-04-06 | 1974-10-22 | Rca Corp | Current amplifier |
| DE2738205A1 (de) * | 1976-08-24 | 1978-03-09 | Sony Corp | Stromspiegelschaltung |
| US4237414A (en) * | 1978-12-08 | 1980-12-02 | Motorola, Inc. | High impedance output current source |
| EP0419819A1 (en) * | 1989-09-27 | 1991-04-03 | Motorola, Inc. | Current mirror |
Non-Patent Citations (1)
| Title |
|---|
| RCA TECHNICAL NOTES no. 949, 31 Décembre 1973, PRINCETON, NEW JERSEY, US JONATHAN S. RADOVSKY: 'Current-Mirror Amplifiers Having Current Gains Less Influenced By the Base Currents of Component Transistors' * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2684205B1 (OSRAM) | 1995-02-24 |
| DE69203436T2 (de) | 1995-12-14 |
| US5307027A (en) | 1994-04-26 |
| DE69203436D1 (de) | 1995-08-17 |
| EP0549381B1 (fr) | 1995-07-12 |
| EP0549381A1 (fr) | 1993-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0658977A1 (fr) | Amplificateur à gain variable | |
| EP0680140B1 (fr) | Amplificateur différentiel à réglage de mode commun | |
| FR2676149A1 (fr) | Amplificateur differentiel notamment du type a cascode. | |
| EP0587509B1 (fr) | Circuit convertisseur tension/courant | |
| FR2514214A1 (fr) | Circuit a gain variable | |
| EP2725711B1 (fr) | Circuit électronique à unité d'atténuation d'au moins un signal d'entrée d'un amplificateur dans une boucle de commande automatique du gain | |
| FR2473234A1 (fr) | Circuit a impedance electriquement variable et a compensation par reaction | |
| EP1647091B1 (fr) | Amplificateur de tension a faible consommation | |
| FR2684205A1 (fr) | Miroir de courant a faible erreur de recopie. | |
| EP0524294B1 (fr) | Circuit d'amplification a commande de gain exponentielle | |
| FR2487605A1 (fr) | Circuit de commande de gain | |
| EP0533230B1 (fr) | Amplificateur différentiel et mélangeur oscillateur l'incorportant | |
| FR2677781A1 (fr) | Source de courant adaptee a des variations rapides de tension de sortie. | |
| EP0655176B1 (fr) | Etage amplificateur a faible distorsion thermique | |
| FR2577083A1 (fr) | Amplificateur operationnel | |
| EP0305301B1 (fr) | Circuit compresseur de signal, en particulier pour appareil téléphonique | |
| EP0479377B1 (fr) | Source de courant à rapport donné entre courant de sortie et d'entrée | |
| EP0242304B1 (fr) | Amplificateur suiveur à grande vitesse | |
| FR2710798A1 (fr) | Chaîne d'amplification en mode de courant, amplificateur opérationnel, cellule de gain et élément d'amplification correspondants. | |
| EP1102148A1 (fr) | Dispositif générateur de tension corrigé à basse température. | |
| FR2640094A1 (fr) | Amplificateur du type cascode | |
| FR2797537A1 (fr) | Amplificateur operationnel a centrage de tension de decalage, et compatible basse-tension | |
| EP0608938A1 (fr) | Amplificateur à étage différentiel d'entrée et capacité de stabilisation intégrée | |
| EP0886382A1 (fr) | Convertisseur analogique/numérique. | |
| FR3150312A1 (fr) | Polarisation de modules électroniques, en particulier des modules analogiques radiofréquences |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20070731 |