GB1250243A - - Google Patents
Info
- Publication number
- GB1250243A GB1250243A GB1250243DA GB1250243A GB 1250243 A GB1250243 A GB 1250243A GB 1250243D A GB1250243D A GB 1250243DA GB 1250243 A GB1250243 A GB 1250243A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- voltage
- divider
- temperature
- circuit
- 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
- 230000001419 dependent effect Effects 0.000 abstract 4
- 238000010079 rubber tapping Methods 0.000 abstract 4
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
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
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is DC
- G05F1/462—Regulating voltage or current wherein the variable actually regulated by the final control device is DC as a function of the requirements of the load, e.g. delay, temperature, specific voltage/current characteristic
- G05F1/463—Sources providing an output which depends on temperature
-
- 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
- G05F3/18—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Amplifiers (AREA)
- Semiconductor Integrated Circuits (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6806969A NL6806969A (enrdf_load_stackoverflow) | 1968-05-17 | 1968-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1250243A true GB1250243A (enrdf_load_stackoverflow) | 1971-10-20 |
Family
ID=19803660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1250243D Expired GB1250243A (enrdf_load_stackoverflow) | 1968-05-17 | 1969-05-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3638049A (enrdf_load_stackoverflow) |
| BE (1) | BE733209A (enrdf_load_stackoverflow) |
| DE (1) | DE1920232B2 (enrdf_load_stackoverflow) |
| ES (1) | ES367232A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2008765A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1250243A (enrdf_load_stackoverflow) |
| NL (1) | NL6806969A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916263A (en) * | 1971-12-13 | 1975-10-28 | Honeywell Inf Systems | Memory driver circuit with thermal protection |
| CA995483A (en) * | 1973-02-16 | 1976-08-24 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Transistor anemometer |
| EP0039215B1 (en) * | 1980-04-28 | 1985-08-07 | Fujitsu Limited | Temperature compensating voltage generator circuit |
| DE3019162C2 (de) * | 1980-05-20 | 1985-11-07 | Telefunken electronic GmbH, 7100 Heilbronn | Transistor-Zündschaltung |
| DE3135974A1 (de) * | 1981-09-08 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung mit einem messumformer, insbesondere mit einem halbleiter-druckaufnehmer |
| US4736126A (en) * | 1986-12-24 | 1988-04-05 | Motorola Inc. | Trimmable current source |
| US5099381A (en) * | 1989-11-08 | 1992-03-24 | National Semiconductor Corporation | Enable circuit with embedded thermal turn-off |
| EP0600003B1 (en) * | 1991-08-21 | 2000-03-29 | Analog Devices, Inc. | Method for temperature-compensating zener diodes having either positive or negative temperature coefficients |
| US7132185B2 (en) | 2001-12-14 | 2006-11-07 | Ballard Power Systems Inc. | Fuel cell system shunt regulator method and apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3214706A (en) * | 1962-01-09 | 1965-10-26 | Burroughs Corp | Wide band amplifier with adjustable d.c. output level |
| US3488529A (en) * | 1966-12-14 | 1970-01-06 | Sperry Rand Corp | Temperature sensing current source |
-
1968
- 1968-05-17 NL NL6806969A patent/NL6806969A/xx unknown
-
1969
- 1969-04-22 DE DE19691920232 patent/DE1920232B2/de not_active Ceased
- 1969-05-14 GB GB1250243D patent/GB1250243A/en not_active Expired
- 1969-05-14 ES ES367232A patent/ES367232A1/es not_active Expired
- 1969-05-14 FR FR6915792A patent/FR2008765A1/fr not_active Withdrawn
- 1969-05-16 BE BE733209D patent/BE733209A/xx unknown
- 1969-05-19 US US825825A patent/US3638049A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE1920232B2 (de) | 1976-06-10 |
| NL6806969A (enrdf_load_stackoverflow) | 1969-05-27 |
| FR2008765A1 (enrdf_load_stackoverflow) | 1970-01-23 |
| ES367232A1 (es) | 1971-04-01 |
| BE733209A (enrdf_load_stackoverflow) | 1969-11-17 |
| US3638049A (en) | 1972-01-25 |
| DE1920232A1 (de) | 1970-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |