IT1032707B - Disposizione circuitale per ottenere una ploralita di correnti elettriche esattamente identiche fraloro - Google Patents
Disposizione circuitale per ottenere una ploralita di correnti elettriche esattamente identiche fraloroInfo
- Publication number
- IT1032707B IT1032707B IT68018/75A IT6801875A IT1032707B IT 1032707 B IT1032707 B IT 1032707B IT 68018/75 A IT68018/75 A IT 68018/75A IT 6801875 A IT6801875 A IT 6801875A IT 1032707 B IT1032707 B IT 1032707B
- Authority
- IT
- Italy
- Prior art keywords
- plorality
- fraloro
- circuit arrangement
- electric currents
- exactly identical
- Prior art date
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)
- Analogue/Digital Conversion (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7405441A NL7405441A (nl) | 1974-04-23 | 1974-04-23 | Nauwkeurige stroombronschakeling. |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1032707B true IT1032707B (it) | 1979-06-20 |
Family
ID=19821205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68018/75A IT1032707B (it) | 1974-04-23 | 1975-04-21 | Disposizione circuitale per ottenere una ploralita di correnti elettriche esattamente identiche fraloro |
Country Status (11)
Country | Link |
---|---|
US (1) | US3982172A (it) |
JP (1) | JPS5424098B2 (it) |
BE (1) | BE828285A (it) |
CA (1) | CA1039353A (it) |
ES (1) | ES436801A1 (it) |
FR (1) | FR2269143B1 (it) |
GB (1) | GB1479535A (it) |
HK (1) | HK10378A (it) |
IT (1) | IT1032707B (it) |
NL (1) | NL7405441A (it) |
SE (2) | SE407634B (it) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5287649A (en) * | 1976-01-16 | 1977-07-21 | Matsushita Electric Ind Co Ltd | Constant current bias circuit |
NL7604570A (nl) * | 1976-04-29 | 1977-11-01 | Philips Nv | Stroomverdeelschakeling voor het realiseren van een aantal stromen die onderling zeer nauwkeurig een bepaalde grootteverhouding vertonen. |
US4123698A (en) * | 1976-07-06 | 1978-10-31 | Analog Devices, Incorporated | Integrated circuit two terminal temperature transducer |
NL7700807A (nl) * | 1977-01-27 | 1978-07-31 | Philips Nv | Stroomstabilisator. |
US4166971A (en) * | 1978-03-23 | 1979-09-04 | Bell Telephone Laboratories, Incorporated | Current mirror arrays |
US4225816A (en) * | 1979-05-21 | 1980-09-30 | Rca Corporation | Precision current source |
JPS561769A (en) * | 1979-06-19 | 1981-01-09 | Nec Corp | Constant current circuit |
US4280091A (en) * | 1979-10-29 | 1981-07-21 | Tektronix, Inc. | Variable current source having a programmable current-steering network |
NL8003948A (nl) * | 1980-07-09 | 1982-02-01 | Philips Nv | Digitaal-analoog omzetter. |
JPS5735418A (en) * | 1980-08-11 | 1982-02-26 | Hitachi Ltd | Digital-to-analog converter |
US4471326A (en) * | 1981-04-30 | 1984-09-11 | Rca Corporation | Current supplying circuit as for an oscillator |
US4384217A (en) * | 1981-05-11 | 1983-05-17 | Bell Telephone Laboratories, Incorporated | Temperature stabilized voltage reference circuit |
US4392112A (en) * | 1981-09-08 | 1983-07-05 | Rca Corporation | Low drift amplifier |
US4578772A (en) * | 1981-09-18 | 1986-03-25 | Fujitsu Limited | Voltage dividing circuit |
US4479086A (en) * | 1981-09-24 | 1984-10-23 | Tokyo Shibaura Denki Kabushiki Kaisha | Transistor circuit |
JPS58101311A (ja) * | 1981-12-11 | 1983-06-16 | Toshiba Corp | 多相電圧電流変換回路 |
NL8205013A (nl) * | 1982-12-28 | 1984-07-16 | Philips Nv | Precisiestroombronschakeling. |
NL8300466A (nl) * | 1983-02-08 | 1984-09-03 | Philips Nv | Stroombronschakeling. |
US4587477A (en) * | 1984-05-18 | 1986-05-06 | Hewlett-Packard Company | Binary scaled current array source for digital to analog converters |
US4608530A (en) * | 1984-11-09 | 1986-08-26 | Harris Corporation | Programmable current mirror |
JPS62296626A (ja) * | 1986-06-16 | 1987-12-23 | Nec Corp | D−aコンバ−タ |
EP0253950B1 (de) * | 1986-07-21 | 1991-07-17 | Deutsche ITT Industries GmbH | Monolithisch integrierter Digital/Analog-Wandler |
US4874964A (en) * | 1987-05-28 | 1989-10-17 | Sony Corporation | Current generating circuit |
DE3778554D1 (de) * | 1987-12-10 | 1992-05-27 | Itt Ind Gmbh Deutsche | Digital/analog-wandler mit zyklischer ansteuerung von stromquellen. |
NL8703128A (nl) * | 1987-12-24 | 1989-07-17 | Philips Nv | Digitaal-analoog-omzetter. |
GB8803627D0 (en) * | 1988-02-17 | 1988-03-16 | Data Conversion Systems Ltd | Digital to analogue converter |
US5089718A (en) * | 1990-02-26 | 1992-02-18 | U.S. Philips Corp. | Dynamic current divider circuit with current memory |
US5084701A (en) * | 1990-05-03 | 1992-01-28 | Trw Inc. | Digital-to-analog converter using cyclical current source switching |
JP2641641B2 (ja) * | 1991-05-21 | 1997-08-20 | 三菱電機株式会社 | Da変換器 |
US5384546A (en) * | 1993-11-08 | 1995-01-24 | International Business Machine Corp. | Time domain component multiplexor |
BE1008031A3 (nl) * | 1994-01-20 | 1995-12-12 | Philips Electronics Nv | Storingsongevoelige inrichting voor opwekken van instelstromen. |
DE69427961D1 (de) * | 1994-05-27 | 2001-09-20 | Sgs Thomson Microelectronics | Stromspiegel mit mehreren Ausgängen |
GB2296398B (en) * | 1994-12-22 | 1998-03-25 | Motorola Inc | Noise cancellation circuit and method |
FR2731865B1 (fr) * | 1995-03-14 | 1997-04-30 | Thomson Consumer Electronics | Procede et dispositif de commutation pseudo-aleatoire |
DE60030950T2 (de) | 1999-10-27 | 2007-05-24 | Koninklijke Philips Electronics N.V. | Digital-analog-wandler |
DE60115003T2 (de) | 2000-04-04 | 2006-08-10 | Koninklijke Philips Electronics N.V. | Ein digital-analog-wandler |
US6285615B1 (en) * | 2000-06-09 | 2001-09-04 | Sandisk Corporation | Multiple output current mirror with improved accuracy |
DE10145034B4 (de) | 2001-09-13 | 2005-04-21 | Infineon Technologies Ag | Anordnung mit einer Stromquelle und einem zu dieser in Reihe geschalteten Schalter |
US6777885B2 (en) * | 2001-10-12 | 2004-08-17 | Semiconductor Energy Laboratory Co., Ltd. | Drive circuit, display device using the drive circuit and electronic apparatus using the display device |
KR20040065290A (ko) * | 2001-12-18 | 2004-07-21 | 코닌클리즈케 필립스 일렉트로닉스 엔.브이. | 디지털-아날로그 변환 방법, 신호 변환 회로 및 시그마델타 아날로그-디지털 변환기 |
KR101102372B1 (ko) * | 2003-01-17 | 2012-01-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치 및 발광 장치 |
DE10340009B3 (de) * | 2003-08-29 | 2005-06-16 | Infineon Technologies Ag | Kalibriervorrichtung zum Kalibrieren eines digitalen Ausgangssignals eines Multibit Delta-Sigma-Wandlers |
JP2006020098A (ja) | 2004-07-02 | 2006-01-19 | Toshiba Corp | 半導体装置 |
JP4836736B2 (ja) * | 2006-09-29 | 2011-12-14 | 株式会社東芝 | デジタル・アナログ変換回路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689752A (en) * | 1970-04-13 | 1972-09-05 | Tektronix Inc | Four-quadrant multiplier circuit |
NL7105838A (it) * | 1971-04-29 | 1972-10-31 | ||
NL162802C (nl) * | 1971-10-09 | 1980-06-16 | Philips Nv | Geintegreerde verschilversterker. |
US3891937A (en) * | 1972-12-21 | 1975-06-24 | Philips Corp | Circuit arrangement for electronic gain/control, in particular electronic volume control circuit |
US3848195A (en) * | 1973-03-12 | 1974-11-12 | Bell Telephone Labor Inc | Differential amplifier with dynamic biasing |
-
1974
- 1974-04-23 NL NL7405441A patent/NL7405441A/xx unknown
-
1975
- 1975-04-16 US US05/568,726 patent/US3982172A/en not_active Expired - Lifetime
- 1975-04-18 GB GB16079/75A patent/GB1479535A/en not_active Expired
- 1975-04-21 ES ES436801A patent/ES436801A1/es not_active Expired
- 1975-04-21 SE SE7504563A patent/SE407634B/xx not_active IP Right Cessation
- 1975-04-21 IT IT68018/75A patent/IT1032707B/it active
- 1975-04-21 SE SE7504563D patent/SE7504563L/xx not_active Application Discontinuation
- 1975-04-22 CA CA225,169A patent/CA1039353A/en not_active Expired
- 1975-04-22 FR FR7512483A patent/FR2269143B1/fr not_active Expired
- 1975-04-23 BE BE155690A patent/BE828285A/xx not_active IP Right Cessation
- 1975-04-23 JP JP4873875A patent/JPS5424098B2/ja not_active Expired
-
1978
- 1978-02-23 HK HK103/78A patent/HK10378A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU8061775A (en) | 1976-11-04 |
SE407634B (sv) | 1979-04-02 |
GB1479535A (en) | 1977-07-13 |
CA1039353A (en) | 1978-09-26 |
FR2269143A1 (it) | 1975-11-21 |
ES436801A1 (es) | 1976-12-16 |
DE2515759B2 (de) | 1977-02-10 |
BE828285A (fr) | 1975-10-23 |
FR2269143B1 (it) | 1978-02-24 |
JPS50146854A (it) | 1975-11-25 |
US3982172A (en) | 1976-09-21 |
NL7405441A (nl) | 1975-10-27 |
JPS5424098B2 (it) | 1979-08-18 |
HK10378A (en) | 1978-03-03 |
DE2515759A1 (de) | 1975-10-30 |
SE7504563L (sv) | 1975-10-24 |
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