IT1139667B - Amplificatore di corrente - Google Patents
Amplificatore di correnteInfo
- Publication number
- IT1139667B IT1139667B IT24806/81A IT2480681A IT1139667B IT 1139667 B IT1139667 B IT 1139667B IT 24806/81 A IT24806/81 A IT 24806/81A IT 2480681 A IT2480681 A IT 2480681A IT 1139667 B IT1139667 B IT 1139667B
- Authority
- IT
- Italy
- 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
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/202,485 US4380740A (en) | 1980-10-31 | 1980-10-31 | Current amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8124806A0 IT8124806A0 (it) | 1981-10-30 |
IT1139667B true IT1139667B (it) | 1986-09-24 |
Family
ID=22750067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24806/81A IT1139667B (it) | 1980-10-31 | 1981-10-30 | Amplificatore di corrente |
Country Status (6)
Country | Link |
---|---|
US (1) | US4380740A (it) |
JP (1) | JPS57106205A (it) |
DE (1) | DE3143159A1 (it) |
FR (1) | FR2493633A1 (it) |
GB (1) | GB2086682A (it) |
IT (1) | IT1139667B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57162505A (en) * | 1981-03-31 | 1982-10-06 | Toshiba Corp | Transistor circuit |
JPS59178805A (ja) * | 1983-03-30 | 1984-10-11 | Nec Corp | カレントミラ−回路 |
US4647870A (en) * | 1983-03-30 | 1987-03-03 | Nec Corporation | Current mirror circuit with a large current ratio |
IT1162859B (it) * | 1983-05-12 | 1987-04-01 | Cselt Centro Studi Lab Telecom | Circuito di polarizzazione per circuiti integrati bipolari multifunzione |
US4528496A (en) * | 1983-06-23 | 1985-07-09 | National Semiconductor Corporation | Current supply for use in low voltage IC devices |
JPS60109311A (ja) * | 1983-11-18 | 1985-06-14 | Hitachi Ltd | カレントミラー形電流増幅器 |
JPS60248010A (ja) * | 1984-05-23 | 1985-12-07 | Toshiba Corp | 複合トランジスタ回路 |
JPS616906A (ja) * | 1984-06-21 | 1986-01-13 | Matsushita Electric Ind Co Ltd | 電流増幅器 |
US4588961A (en) * | 1984-08-24 | 1986-05-13 | At&T Bell Laboratories | Amplifier with extended output drive capability |
JPH0638217B2 (ja) * | 1985-11-30 | 1994-05-18 | 株式会社東芝 | 熱保護回路 |
US4801878A (en) * | 1987-06-18 | 1989-01-31 | Hewlett-Packard Company | In-circuit transistor beta test and method |
US4831337A (en) * | 1988-04-25 | 1989-05-16 | Motorola, Inc | Wideband amplifier |
US4947103A (en) * | 1989-09-13 | 1990-08-07 | Motorola, Inc. | Current mirror have large current scaling factor |
GB2236444A (en) * | 1989-09-27 | 1991-04-03 | Motorola Inc | Current mirror |
JP3153569B2 (ja) * | 1991-04-15 | 2001-04-09 | パイオニア株式会社 | 電圧電流変換回路 |
US5311146A (en) * | 1993-01-26 | 1994-05-10 | Vtc Inc. | Current mirror for low supply voltage operation |
US5479135A (en) * | 1994-01-12 | 1995-12-26 | Advanced Micro Devices, Inc. | Method of ultra-high frequency current amplification using MOSFET devices |
EP0742590A3 (en) * | 1995-05-11 | 1999-11-17 | Harris Corporation | Method and circuit for preventing forward bias of a parasitic diode in an integrated circuit |
US5742154A (en) * | 1995-06-30 | 1998-04-21 | Maxim Integrated Products | Multi-stage current feedback amplifier |
RU2469467C1 (ru) * | 2011-10-21 | 2012-12-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС") | Многокаскадный усилитель переменного тока |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2440023C2 (de) * | 1974-08-21 | 1981-12-10 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Stromspiegelschaltung |
US3952257A (en) * | 1974-10-29 | 1976-04-20 | Rca Corporation | Current proportioning circuits |
GB1498307A (en) * | 1975-04-18 | 1978-01-18 | Itt | Current transformer circuit |
US4258330A (en) * | 1978-02-15 | 1981-03-24 | Hitachi, Ltd. | Differential current amplifier |
-
1980
- 1980-10-31 US US06/202,485 patent/US4380740A/en not_active Expired - Lifetime
-
1981
- 1981-10-27 GB GB8132355A patent/GB2086682A/en not_active Withdrawn
- 1981-10-30 DE DE19813143159 patent/DE3143159A1/de not_active Withdrawn
- 1981-10-30 JP JP56175567A patent/JPS57106205A/ja active Pending
- 1981-10-30 IT IT24806/81A patent/IT1139667B/it active
- 1981-10-30 FR FR8120432A patent/FR2493633A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4380740A (en) | 1983-04-19 |
IT8124806A0 (it) | 1981-10-30 |
DE3143159A1 (de) | 1982-06-16 |
JPS57106205A (en) | 1982-07-02 |
FR2493633A1 (fr) | 1982-05-07 |
GB2086682A (en) | 1982-05-12 |
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