GB852128A - Improvements in current supply circuits - Google Patents
Improvements in current supply circuitsInfo
- Publication number
- GB852128A GB852128A GB19808/58A GB1980858A GB852128A GB 852128 A GB852128 A GB 852128A GB 19808/58 A GB19808/58 A GB 19808/58A GB 1980858 A GB1980858 A GB 1980858A GB 852128 A GB852128 A GB 852128A
- Authority
- GB
- United Kingdom
- Prior art keywords
- voltage
- transistors
- june
- amplifier
- transistor
- 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
-
- 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
- G05F1/62—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using bucking or boosting dc sources
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
852,128. Automatic voltage and current control systems. WESTERN ELECTRIC CO. Inc. June 20, 1958 [June 21, 1957], No. 19808/58. Class 38 (4). An output from a rectifier supply 11 is fed to parallel-connected transistors 13, 14, each having a resistor 15 or 16 in series. The voltage difference between the negative terminals of the resistors affects an amplifier, comprising transistors 40, 41, controlling the base voltage of transistor 14, so as to maintain constant the relationship between the currents through the parallel-connected transistors. The base voltage on transistor 13 is controlled by an amplifier, comprising transistors 17-19, so as to maintain constant the voltage across a load 10. The load voltage is varied by a potentiometer 24. Reference voltages for the amplifiers are derived across Zener diodes 46, 21, 26, and a positive bias from a supply 34.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US852128XA | 1957-06-21 | 1957-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB852128A true GB852128A (en) | 1960-10-26 |
Family
ID=22190198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19808/58A Expired GB852128A (en) | 1957-06-21 | 1958-06-20 | Improvements in current supply circuits |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE568623A (en) |
GB (1) | GB852128A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1235410B (en) * | 1961-04-29 | 1967-03-02 | Fuba Werk Elektronischer Baute | Rectifier device |
-
0
- BE BE568623D patent/BE568623A/xx unknown
-
1958
- 1958-06-20 GB GB19808/58A patent/GB852128A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1235410B (en) * | 1961-04-29 | 1967-03-02 | Fuba Werk Elektronischer Baute | Rectifier device |
Also Published As
Publication number | Publication date |
---|---|
BE568623A (en) |
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