IT1075826B - Disposizione circuitale a semiconduttori per una sorgente di corrente elettrica costante - Google Patents
Disposizione circuitale a semiconduttori per una sorgente di corrente elettrica costanteInfo
- Publication number
- IT1075826B IT1075826B IT22163/77A IT2216377A IT1075826B IT 1075826 B IT1075826 B IT 1075826B IT 22163/77 A IT22163/77 A IT 22163/77A IT 2216377 A IT2216377 A IT 2216377A IT 1075826 B IT1075826 B IT 1075826B
- Authority
- IT
- Italy
- Prior art keywords
- electric current
- current source
- circuit arrangement
- semiconductor circuit
- constant electric
- Prior art date
Links
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
- G05F3/24—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 field-effect type 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)
- Control Of Electrical Variables (AREA)
- Amplifiers (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2615848A DE2615848C2 (de) | 1976-04-10 | 1976-04-10 | Halbleiter-Schaltungsanordnung für eine Konstantstromquelle |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1075826B true IT1075826B (it) | 1985-04-22 |
Family
ID=5975098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22163/77A IT1075826B (it) | 1976-04-10 | 1977-04-07 | Disposizione circuitale a semiconduttori per una sorgente di corrente elettrica costante |
Country Status (3)
Country | Link |
---|---|
US (1) | US4104575A (it) |
DE (1) | DE2615848C2 (it) |
IT (1) | IT1075826B (it) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4379591A (en) * | 1976-12-21 | 1983-04-12 | Occidental Oil Shale, Inc. | Two-stage oil shale retorting process and disposal of spent oil shale |
US4345200A (en) * | 1981-03-11 | 1982-08-17 | General Electric Company | Load output level control circuit |
US4471326A (en) * | 1981-04-30 | 1984-09-11 | Rca Corporation | Current supplying circuit as for an oscillator |
DE3427498C2 (de) * | 1984-07-26 | 1986-08-07 | Ifm Electronic Gmbh, 4300 Essen | Elektronisches, vorzugsweise berührungslos arbeitendes Schaltgerät |
US4680535A (en) * | 1985-10-17 | 1987-07-14 | Harris Corporation | Stable current source |
IL80707A (en) * | 1985-12-23 | 1991-03-10 | Hughes Aircraft Co | Gaseous discharge device simmering circuit |
DE19518728C2 (de) * | 1995-05-22 | 1998-12-24 | Siemens Ag | Konstantstromquelle mit einer EEPROM-Zelle |
US5930171A (en) * | 1995-05-22 | 1999-07-27 | Siemens Aktiengesellschaft | Constant-current source with an EEPROM cell |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3832644A (en) * | 1970-11-30 | 1974-08-27 | Hitachi Ltd | Semiconductor electronic circuit with semiconductor bias circuit |
JPS5249139B2 (it) * | 1974-09-04 | 1977-12-15 | ||
DE2448827B1 (de) * | 1974-10-14 | 1976-04-08 | Unisel Gmbh & Co Geraete Kg | Konstantspannungsquelle |
JPS51138848A (en) * | 1975-05-28 | 1976-11-30 | Hitachi Ltd | Steady current circuit |
-
1976
- 1976-04-10 DE DE2615848A patent/DE2615848C2/de not_active Expired
-
1977
- 1977-03-28 US US05/782,231 patent/US4104575A/en not_active Expired - Lifetime
- 1977-04-07 IT IT22163/77A patent/IT1075826B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2615848C2 (de) | 1982-04-01 |
DE2615848A1 (de) | 1977-10-20 |
US4104575A (en) | 1978-08-01 |
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