GB1535753A - Current transformer circuit - Google Patents
Current transformer circuitInfo
- Publication number
- GB1535753A GB1535753A GB4278375A GB4278375A GB1535753A GB 1535753 A GB1535753 A GB 1535753A GB 4278375 A GB4278375 A GB 4278375A GB 4278375 A GB4278375 A GB 4278375A GB 1535753 A GB1535753 A GB 1535753A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current transformer
- transformer circuit
- oct
- current
- transistors
- 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
- 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
- G05F3/26—Current mirrors
- G05F3/265—Current mirrors using bipolar transistors 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)
- Amplifiers (AREA)
- Electronic Switches (AREA)
Abstract
1535753 Current amplifiers ITT INDUSTRIES Inc 17 Oct 1975 [18 Oct 1974] 42783/75 Heading H3T A known PNP "current mirror" type amplifier T 1 T 2 T 3 has a further PNP transistor T 4 inserted between the collector of T 3 and the power supply U B whereby the desired current gain (e.g. -1) may be achieved with low gain transistors (e.g. lateral transistors).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742449611 DE2449611C3 (en) | 1974-10-18 | 1974-10-18 | Current translator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1535753A true GB1535753A (en) | 1978-12-13 |
Family
ID=5928611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4278375A Expired GB1535753A (en) | 1974-10-18 | 1975-10-17 | Current transformer circuit |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2449611C3 (en) |
| FR (1) | FR2288416A1 (en) |
| GB (1) | GB1535753A (en) |
| IT (1) | IT1044640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2776709B2 (en) * | 1992-12-01 | 1998-07-16 | 日本電気アイシーマイコンシステム株式会社 | Current switching circuit |
-
1974
- 1974-10-18 DE DE19742449611 patent/DE2449611C3/en not_active Expired
-
1975
- 1975-10-13 IT IT2819875A patent/IT1044640B/en active
- 1975-10-17 FR FR7531762A patent/FR2288416A1/en active Granted
- 1975-10-17 GB GB4278375A patent/GB1535753A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2449611B2 (en) | 1977-09-15 |
| DE2449611C3 (en) | 1978-05-11 |
| FR2288416A1 (en) | 1976-05-14 |
| IT1044640B (en) | 1980-04-21 |
| FR2288416B3 (en) | 1978-07-13 |
| DE2449611A1 (en) | 1976-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |