IT1051481B - Disposizione circuitale per produrre una corrente compensata nei riguardi delle variazzoni di temperatura e di tensione di alimentazione - Google Patents
Disposizione circuitale per produrre una corrente compensata nei riguardi delle variazzoni di temperatura e di tensione di alimentazioneInfo
- Publication number
- IT1051481B IT1051481B IT70051/75A IT7005175A IT1051481B IT 1051481 B IT1051481 B IT 1051481B IT 70051/75 A IT70051/75 A IT 70051/75A IT 7005175 A IT7005175 A IT 7005175A IT 1051481 B IT1051481 B IT 1051481B
- Authority
- IT
- Italy
- Prior art keywords
- circuitual
- regard
- variations
- arrangement
- produce
- 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
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
- G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
- G05F3/227—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage producing a current or voltage as a predetermined function of the supply voltage
-
- 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
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
-
- 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
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)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2459271A DE2459271C3 (de) | 1974-12-14 | 1974-12-14 | Schaltungsanordnung zum Erzeugen eines kompensierten Gleichstromes |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1051481B true IT1051481B (it) | 1981-04-21 |
Family
ID=5933458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT70051/75A IT1051481B (it) | 1974-12-14 | 1975-12-11 | Disposizione circuitale per produrre una corrente compensata nei riguardi delle variazzoni di temperatura e di tensione di alimentazione |
Country Status (7)
Country | Link |
---|---|
US (1) | US4019121A (it) |
JP (1) | JPS5953563B2 (it) |
CA (1) | CA1032619A (it) |
DE (1) | DE2459271C3 (it) |
FR (1) | FR2294482A1 (it) |
GB (1) | GB1530805A (it) |
IT (1) | IT1051481B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL177858C (nl) * | 1976-03-31 | 1985-12-02 | Philips Nv | Schakeling voor het leveren van een vooraf bepaalde stroom aan een belasting. |
JPS607414B2 (ja) * | 1976-10-28 | 1985-02-25 | ソニー株式会社 | ミュ−テイング回路 |
US4278946A (en) * | 1979-06-28 | 1981-07-14 | Rca Corporation | Current scaling circuitry |
US4280090A (en) * | 1980-03-17 | 1981-07-21 | Silicon General, Inc. | Temperature compensated bipolar reference voltage circuit |
US4354122A (en) * | 1980-08-08 | 1982-10-12 | Bell Telephone Laboratories, Incorporated | Voltage to current converter |
JPS6022862A (ja) * | 1983-07-18 | 1985-02-05 | Rohm Co Ltd | 電源回路 |
US4835487A (en) * | 1988-04-14 | 1989-05-30 | Motorola, Inc. | MOS voltage to current converter |
US5977759A (en) * | 1999-02-25 | 1999-11-02 | Nortel Networks Corporation | Current mirror circuits for variable supply voltages |
US8970301B2 (en) * | 2013-05-20 | 2015-03-03 | Analog Devices, Inc. | Method for low power low noise input bias current compensation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7210633A (it) * | 1972-08-03 | 1974-02-05 | ||
NL7309767A (nl) * | 1973-07-13 | 1975-01-15 | Philips Nv | Versterkerschakeling. |
US3914684A (en) * | 1973-10-05 | 1975-10-21 | Rca Corp | Current proportioning circuit |
-
1974
- 1974-12-14 DE DE2459271A patent/DE2459271C3/de not_active Expired
-
1975
- 1975-11-21 US US05/634,256 patent/US4019121A/en not_active Expired - Lifetime
- 1975-12-11 GB GB50818/75A patent/GB1530805A/en not_active Expired
- 1975-12-11 IT IT70051/75A patent/IT1051481B/it active
- 1975-12-11 CA CA241,559A patent/CA1032619A/en not_active Expired
- 1975-12-11 JP JP50146967A patent/JPS5953563B2/ja not_active Expired
- 1975-12-12 FR FR7538123A patent/FR2294482A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1530805A (en) | 1978-11-01 |
US4019121A (en) | 1977-04-19 |
FR2294482B1 (it) | 1978-12-08 |
FR2294482A1 (fr) | 1976-07-09 |
JPS5184057A (it) | 1976-07-23 |
DE2459271A1 (de) | 1976-06-16 |
DE2459271C3 (de) | 1980-08-28 |
DE2459271B2 (de) | 1980-01-03 |
CA1032619A (en) | 1978-06-06 |
JPS5953563B2 (ja) | 1984-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE420718B (sv) | Sett att framstella nya dekapeptidamidderivat med ovalationsinducerande aktivitet | |
FR2284991A1 (fr) | Thermocouple profile a plusieurs electrodes | |
IT1020199B (it) | Circuito in grado di fornire una tensione di riferimento dipenden te dalla temperatura | |
DK132652C (da) | Kapsel med garantiring | |
DK396475A (da) | Hojspendingsforsyningsenhed med periodisk skiftende udgangsspending | |
AT312155B (de) | Röhrenförmiger Ozonisator mit gekühlter Innenelektrode | |
SE425412B (sv) | Forfarande for framstellning av en elektrod lemplig for anvendning i elektrolytiska forfaranden | |
IT1051481B (it) | Disposizione circuitale per produrre una corrente compensata nei riguardi delle variazzoni di temperatura e di tensione di alimentazione | |
DK429576A (da) | Reguleret hojspendt vekselstromsforsyning med reguleret jevnstromsforspending | |
IT1035154B (it) | Perfezionamento nei convertitori di tensione | |
SE427108B (sv) | Sett att framstella nya substituerade fenylettiksyror med inflammationshemmande verkan | |
IT1003562B (it) | Alimentazione continua ad altissima tensione di tipo commutabile | |
IT992866B (it) | Circuito alimentatore di tensione di tipo stabilizzato | |
AT346934B (de) | Hochspannungsgenerator | |
NO142477C (no) | Triazolo-isoindol-derivater med befruktningshindrende virkning | |
AT346933B (de) | Hochspannungsgenerator | |
NO142079C (no) | Triazolo-isokinolin-derivater med befruktningshindrende virkning | |
SE410191B (sv) | Hydroxialkylestrar av n-fosfonometylglycin med herbicid effekt | |
IT946340B (it) | Circuito elettrico per fornire una corrente compensata al variare del la temperatura | |
IT1048395B (it) | Dispositivo per produrre un elevata e continua differenza di potenziale coll impiego di una sorgente di corrente alternata | |
IT1058651B (it) | Pigemtno di cromato di piombo avente stabilita termica migliorata | |
SE7512404L (sv) | Molybdathaltigt orange pigment med forbettrad termisk stabilitet | |
IT1022087B (it) | Procedimento per l accordo della compensazione di temperatura in equipaggi di misura a correnti papassite | |
IT990496B (it) | Generatore di tensione continua elevata | |
DK480775A (da) | Rorisoleret stromtransformator med kappekerne |