CA999347A - Current amplifier - Google Patents
Current amplifierInfo
- Publication number
- CA999347A CA999347A CA196,783A CA196783A CA999347A CA 999347 A CA999347 A CA 999347A CA 196783 A CA196783 A CA 196783A CA 999347 A CA999347 A CA 999347A
- Authority
- CA
- Canada
- Prior art keywords
- current amplifier
- amplifier
- current
- 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
-
- 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
- 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)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00348723A US3843933A (en) | 1973-04-06 | 1973-04-06 | Current amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA999347A true CA999347A (en) | 1976-11-02 |
Family
ID=23369252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA196,783A Expired CA999347A (en) | 1973-04-06 | 1974-04-04 | Current amplifier |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3843933A (it) |
| JP (1) | JPS5340426B2 (it) |
| AR (1) | AR200053A1 (it) |
| AT (1) | AT343181B (it) |
| AU (1) | AU475518B2 (it) |
| BE (1) | BE813323A (it) |
| BR (1) | BR7402726D0 (it) |
| CA (1) | CA999347A (it) |
| CH (1) | CH577251A5 (it) |
| DD (1) | DD110394A5 (it) |
| DE (1) | DE2416680B2 (it) |
| ES (1) | ES424802A1 (it) |
| FR (1) | FR2224931B1 (it) |
| GB (1) | GB1460117A (it) |
| IT (1) | IT1010859B (it) |
| NL (1) | NL7404280A (it) |
| SE (1) | SE390591B (it) |
| SU (1) | SU528894A3 (it) |
| ZA (1) | ZA742170B (it) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7307378A (it) * | 1973-05-28 | 1974-12-02 | ||
| US4008441A (en) * | 1974-08-16 | 1977-02-15 | Rca Corporation | Current amplifier |
| US3925718A (en) * | 1974-11-26 | 1975-12-09 | Rca Corp | Current mirror and degenerative amplifier |
| US3973215A (en) * | 1975-08-04 | 1976-08-03 | Rca Corporation | Current mirror amplifier |
| JPS5326554A (en) * | 1976-08-24 | 1978-03-11 | Sony Corp | Tr ansistor circuit |
| US4160944A (en) * | 1977-09-26 | 1979-07-10 | Rca Corporation | Current amplifier capable of selectively providing current gain |
| US4166971A (en) * | 1978-03-23 | 1979-09-04 | Bell Telephone Laboratories, Incorporated | Current mirror arrays |
| JPS54125950A (en) * | 1978-03-24 | 1979-09-29 | Victor Co Of Japan Ltd | Current mirror circuit |
| US4237414A (en) * | 1978-12-08 | 1980-12-02 | Motorola, Inc. | High impedance output current source |
| US4230999A (en) * | 1979-03-28 | 1980-10-28 | Rca Corporation | Oscillator incorporating negative impedance network having current mirror amplifier |
| JPS56102797U (it) * | 1979-12-29 | 1981-08-12 | ||
| US4329639A (en) * | 1980-02-25 | 1982-05-11 | Motorola, Inc. | Low voltage current mirror |
| JPS57164606A (en) * | 1981-04-02 | 1982-10-09 | Matsushita Electric Ind Co Ltd | Current mirror circuit |
| US4381484A (en) * | 1981-06-01 | 1983-04-26 | Motorola, Inc. | Transistor current source |
| US4491807A (en) * | 1982-05-20 | 1985-01-01 | Rca Corporation | FET Negative resistance circuits |
| JPS59103409A (ja) * | 1982-12-03 | 1984-06-14 | Toshiba Corp | カレントミラ−回路 |
| US4851953A (en) * | 1987-10-28 | 1989-07-25 | Linear Technology Corporation | Low voltage current limit loop |
| FR2655791A1 (fr) * | 1989-12-13 | 1991-06-14 | Siemens Automotive Sa | Circuit de miroir de courant corrige de l'effet early. |
| FR2684205A1 (fr) * | 1991-11-22 | 1993-05-28 | Thomson Composants Militaires | Miroir de courant a faible erreur de recopie. |
| AUPM457794A0 (en) * | 1994-03-21 | 1994-04-14 | Gerard Industries Pty Ltd | High impedance power supply |
| US5804955A (en) * | 1996-10-30 | 1998-09-08 | Cherry Semiconductor Corporation | Low voltage current limit circuit with temperature insensitive foldback network |
| US6856188B2 (en) * | 2003-05-28 | 2005-02-15 | Texas Instruments Incorporated | Current source/sink with high output impedance using bipolar transistors |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555402A (en) * | 1968-12-18 | 1971-01-12 | Honeywell Inc | Constant current temperature stabilized signal converter circuit |
| US3717777A (en) * | 1971-03-24 | 1973-02-20 | Motorola Inc | Digital to analog converter including improved reference current source |
-
1973
- 1973-04-06 US US00348723A patent/US3843933A/en not_active Expired - Lifetime
-
1974
- 1974-03-26 GB GB1338474A patent/GB1460117A/en not_active Expired
- 1974-03-29 IT IT42582/74A patent/IT1010859B/it active
- 1974-03-29 SE SE7404240A patent/SE390591B/xx unknown
- 1974-03-29 AU AU67313/74A patent/AU475518B2/en not_active Expired
- 1974-03-29 NL NL7404280A patent/NL7404280A/xx unknown
- 1974-03-30 ES ES424802A patent/ES424802A1/es not_active Expired
- 1974-04-02 AT AT273674A patent/AT343181B/de not_active IP Right Cessation
- 1974-04-03 FR FR7411786A patent/FR2224931B1/fr not_active Expired
- 1974-04-04 BE BE142867A patent/BE813323A/xx unknown
- 1974-04-04 ZA ZA00742170A patent/ZA742170B/xx unknown
- 1974-04-04 AR AR253150A patent/AR200053A1/es active
- 1974-04-04 CA CA196,783A patent/CA999347A/en not_active Expired
- 1974-04-05 CH CH479974A patent/CH577251A5/xx not_active IP Right Cessation
- 1974-04-05 SU SU2014033A patent/SU528894A3/ru active
- 1974-04-05 BR BR2726/74A patent/BR7402726D0/pt unknown
- 1974-04-05 DE DE19742416680 patent/DE2416680B2/de not_active Withdrawn
- 1974-04-05 DD DD177727A patent/DD110394A5/xx unknown
- 1974-04-05 JP JP3937174A patent/JPS5340426B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES424802A1 (es) | 1976-05-16 |
| AU6731374A (en) | 1975-10-02 |
| AR200053A1 (es) | 1974-10-15 |
| BE813323A (fr) | 1974-07-31 |
| GB1460117A (en) | 1976-12-31 |
| ZA742170B (en) | 1975-03-26 |
| DE2416680B2 (de) | 1976-09-16 |
| US3843933A (en) | 1974-10-22 |
| AT343181B (de) | 1978-05-10 |
| JPS5012954A (it) | 1975-02-10 |
| SE390591B (sv) | 1976-12-27 |
| SU528894A3 (ru) | 1976-09-15 |
| NL7404280A (it) | 1974-10-08 |
| JPS5340426B2 (it) | 1978-10-27 |
| IT1010859B (it) | 1977-01-20 |
| DE2416680A1 (de) | 1974-10-31 |
| FR2224931B1 (it) | 1978-07-07 |
| ATA273674A (de) | 1977-09-15 |
| FR2224931A1 (it) | 1974-10-31 |
| CH577251A5 (it) | 1976-06-30 |
| BR7402726D0 (pt) | 1974-12-03 |
| DD110394A5 (it) | 1974-12-12 |
| AU475518B2 (en) | 1976-08-26 |
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