ZA744603B - Current amplifier - Google Patents
Current amplifierInfo
- Publication number
- ZA744603B ZA744603B ZA00744603A ZA744603A ZA744603B ZA 744603 B ZA744603 B ZA 744603B ZA 00744603 A ZA00744603 A ZA 00744603A ZA 744603 A ZA744603 A ZA 744603A ZA 744603 B ZA744603 B ZA 744603B
- Authority
- ZA
- South Africa
- Prior art keywords
- current amplifier
- amplifier
- current
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/42—Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole 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)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Bipolar Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US381175A US3868581A (en) | 1973-07-20 | 1973-07-20 | Current amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA744603B true ZA744603B (en) | 1975-08-27 |
Family
ID=23503999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00744603A ZA744603B (en) | 1973-07-20 | 1974-07-18 | Current amplifier |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US3868581A (pl) |
| JP (1) | JPS5435905B2 (pl) |
| AR (1) | AR200611A1 (pl) |
| AT (1) | AT349528B (pl) |
| BE (1) | BE817717A (pl) |
| BR (1) | BR7405907D0 (pl) |
| CA (1) | CA1029101A (pl) |
| DE (1) | DE2434947C3 (pl) |
| DK (1) | DK142438B (pl) |
| ES (1) | ES428238A1 (pl) |
| FI (1) | FI213774A (pl) |
| FR (1) | FR2238283B1 (pl) |
| GB (1) | GB1473897A (pl) |
| IT (1) | IT1015347B (pl) |
| NL (1) | NL7409507A (pl) |
| PL (1) | PL110433B1 (pl) |
| SE (1) | SE394558B (pl) |
| SU (1) | SU578024A3 (pl) |
| ZA (1) | ZA744603B (pl) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4028631A (en) * | 1976-04-26 | 1977-06-07 | Rca Corporation | Current amplifiers |
| FR2394923A1 (fr) * | 1977-06-16 | 1979-01-12 | Rv Const Electriques | Amplificateur a courant continu a caracteristiques en fonction de la temperature ameliorees |
| JPS54161253A (en) * | 1978-06-10 | 1979-12-20 | Toshiba Corp | High-frequency amplifier circuit |
| CA1134463A (en) * | 1978-10-13 | 1982-10-26 | Kyoichi Murakami | Circuit for converting single-ended input signals to a pair of differential output signals |
| US4334198A (en) * | 1980-04-24 | 1982-06-08 | Rca Corporation | Biasing of transistor amplifier cascades |
| JPS5783912A (en) * | 1980-11-12 | 1982-05-26 | Toshiba Corp | Current amplifying circuit |
| US4479086A (en) * | 1981-09-24 | 1984-10-23 | Tokyo Shibaura Denki Kabushiki Kaisha | Transistor circuit |
| DE3428106A1 (de) * | 1984-07-30 | 1986-02-06 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Teilnehmeranschlussschaltung |
| US4604568A (en) * | 1984-10-01 | 1986-08-05 | Motorola, Inc. | Current source with adjustable temperature coefficient |
| JPH0624298B2 (ja) * | 1986-09-02 | 1994-03-30 | 株式会社精工舎 | 電流増幅回路 |
| DE3642167A1 (de) * | 1986-12-10 | 1988-06-30 | Philips Patentverwaltung | Stromspiegelschaltung |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3532909A (en) * | 1968-01-17 | 1970-10-06 | Ibm | Transistor logic scheme with current logic levels adapted for monolithic fabrication |
-
1973
- 1973-07-20 US US381175A patent/US3868581A/en not_active Expired - Lifetime
-
1974
- 1974-06-24 IT IT24354/74A patent/IT1015347B/it active
- 1974-07-03 SE SE7408791A patent/SE394558B/xx not_active IP Right Cessation
- 1974-07-05 CA CA204,222A patent/CA1029101A/en not_active Expired
- 1974-07-12 FI FI2137/74A patent/FI213774A/fi unknown
- 1974-07-12 SU SU7402046455A patent/SU578024A3/ru active
- 1974-07-13 ES ES428238A patent/ES428238A1/es not_active Expired
- 1974-07-15 NL NL7409507A patent/NL7409507A/xx not_active Application Discontinuation
- 1974-07-16 BE BE146614A patent/BE817717A/xx unknown
- 1974-07-17 BR BR5907/74A patent/BR7405907D0/pt unknown
- 1974-07-17 GB GB3158474A patent/GB1473897A/en not_active Expired
- 1974-07-18 AR AR254786A patent/AR200611A1/es active
- 1974-07-18 PL PL1974172839A patent/PL110433B1/pl unknown
- 1974-07-18 FR FR7425024A patent/FR2238283B1/fr not_active Expired
- 1974-07-18 ZA ZA00744603A patent/ZA744603B/xx unknown
- 1974-07-19 DE DE2434947A patent/DE2434947C3/de not_active Expired
- 1974-07-19 DK DK392274AA patent/DK142438B/da unknown
- 1974-07-19 JP JP8374274A patent/JPS5435905B2/ja not_active Expired
- 1974-07-22 AT AT604874A patent/AT349528B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1473897A (en) | 1977-05-18 |
| DE2434947B2 (de) | 1977-07-07 |
| NL7409507A (nl) | 1975-01-22 |
| DE2434947C3 (de) | 1979-07-26 |
| ATA604874A (de) | 1978-09-15 |
| JPS5043870A (pl) | 1975-04-19 |
| DK142438B (da) | 1980-10-27 |
| FR2238283A1 (pl) | 1975-02-14 |
| DK392274A (pl) | 1975-03-10 |
| ES428238A1 (es) | 1976-07-16 |
| SE394558B (sv) | 1977-06-27 |
| FI213774A (pl) | 1975-01-21 |
| AR200611A1 (es) | 1974-11-22 |
| IT1015347B (it) | 1977-05-10 |
| PL110433B1 (en) | 1980-07-31 |
| AT349528B (de) | 1979-04-10 |
| DE2434947A1 (de) | 1975-02-20 |
| JPS5435905B2 (pl) | 1979-11-06 |
| DK142438C (pl) | 1981-03-23 |
| FR2238283B1 (pl) | 1978-07-13 |
| AU7092274A (en) | 1976-01-08 |
| CA1029101A (en) | 1978-04-04 |
| BE817717A (fr) | 1974-11-18 |
| US3868581A (en) | 1975-02-25 |
| BR7405907D0 (pt) | 1975-05-13 |
| SU578024A3 (ru) | 1977-10-25 |
| SE7408791L (pl) | 1975-01-21 |
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