FR1393427A - Générateur de courant de précision à très faible dérivé thermique - Google Patents
Générateur de courant de précision à très faible dérivé thermiqueInfo
- Publication number
- FR1393427A FR1393427A FR963039A FR963039A FR1393427A FR 1393427 A FR1393427 A FR 1393427A FR 963039 A FR963039 A FR 963039A FR 963039 A FR963039 A FR 963039A FR 1393427 A FR1393427 A FR 1393427A
- Authority
- FR
- France
- Prior art keywords
- current generator
- low thermal
- precision current
- thermal derivative
- derivative
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- 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
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
- G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
- G05F3/225—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage producing a current or voltage as a predetermined function of the temperature
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)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR963039A FR1393427A (fr) | 1964-02-07 | 1964-02-07 | Générateur de courant de précision à très faible dérivé thermique |
BE658886D BE658886A (US06265458-20010724-C00056.png) | 1964-02-07 | 1965-01-27 | |
GB487265A GB1063763A (en) | 1964-02-07 | 1965-02-04 | Improvements in and relating to constant electrical current supply circuits |
LU47919A LU47919A1 (US06265458-20010724-C00056.png) | 1964-02-07 | 1965-02-05 | |
DE1965M0064059 DE1297195B (de) | 1964-02-07 | 1965-02-05 | Praezisions-Gleichstromquelle mit kleiner Temperaturabhaengigkeit |
NL6501470A NL6501470A (US06265458-20010724-C00056.png) | 1964-02-07 | 1965-02-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR963039A FR1393427A (fr) | 1964-02-07 | 1964-02-07 | Générateur de courant de précision à très faible dérivé thermique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1393427A true FR1393427A (fr) | 1965-03-26 |
Family
ID=8822690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR963039A Expired FR1393427A (fr) | 1964-02-07 | 1964-02-07 | Générateur de courant de précision à très faible dérivé thermique |
Country Status (6)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE29619E (en) * | 1972-01-24 | 1978-04-25 | Analog Devices, Incorporated | Constant-current digital-to-analog converter |
-
1964
- 1964-02-07 FR FR963039A patent/FR1393427A/fr not_active Expired
-
1965
- 1965-01-27 BE BE658886D patent/BE658886A/xx unknown
- 1965-02-04 GB GB487265A patent/GB1063763A/en not_active Expired
- 1965-02-05 NL NL6501470A patent/NL6501470A/xx unknown
- 1965-02-05 LU LU47919A patent/LU47919A1/xx unknown
- 1965-02-05 DE DE1965M0064059 patent/DE1297195B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1063763A (en) | 1967-03-30 |
NL6501470A (US06265458-20010724-C00056.png) | 1965-08-09 |
DE1297195B (de) | 1969-06-12 |
BE658886A (US06265458-20010724-C00056.png) | 1965-05-17 |
LU47919A1 (US06265458-20010724-C00056.png) | 1965-04-05 |
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