BE658886A - - Google Patents
Info
- Publication number
- BE658886A BE658886A BE658886DA BE658886A BE 658886 A BE658886 A BE 658886A BE 658886D A BE658886D A BE 658886DA BE 658886 A BE658886 A BE 658886A
- Authority
- BE
- Belgium
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
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- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR963039A FR1393427A (en) | 1964-02-07 | 1964-02-07 | Very low thermal derivative precision current generator |
Publications (1)
Publication Number | Publication Date |
---|---|
BE658886A true BE658886A (en) | 1965-05-17 |
Family
ID=8822690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE658886D BE658886A (en) | 1964-02-07 | 1965-01-27 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE658886A (en) |
DE (1) | DE1297195B (en) |
FR (1) | FR1393427A (en) |
GB (1) | GB1063763A (en) |
LU (1) | LU47919A1 (en) |
NL (1) | NL6501470A (en) |
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 |
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1964
- 1964-02-07 FR FR963039A patent/FR1393427A/en 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 LU LU47919A patent/LU47919A1/xx unknown
- 1965-02-05 NL NL6501470A patent/NL6501470A/xx unknown
- 1965-02-05 DE DE1965M0064059 patent/DE1297195B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
LU47919A1 (en) | 1965-04-05 |
NL6501470A (en) | 1965-08-09 |
GB1063763A (en) | 1967-03-30 |
DE1297195B (en) | 1969-06-12 |
FR1393427A (en) | 1965-03-26 |