DE2249645C3 - Stromverstärker - Google Patents

Stromverstärker

Info

Publication number
DE2249645C3
DE2249645C3 DE2249645A DE2249645A DE2249645C3 DE 2249645 C3 DE2249645 C3 DE 2249645C3 DE 2249645 A DE2249645 A DE 2249645A DE 2249645 A DE2249645 A DE 2249645A DE 2249645 C3 DE2249645 C3 DE 2249645C3
Authority
DE
Germany
Prior art keywords
transistor
circuit
current
transistors
base
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
Application number
DE2249645A
Other languages
German (de)
English (en)
Other versions
DE2249645B2 (de
DE2249645A1 (de
Inventor
Johannes Otto Eindhoven Voorman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2249645A1 publication Critical patent/DE2249645A1/de
Publication of DE2249645B2 publication Critical patent/DE2249645B2/de
Application granted granted Critical
Publication of DE2249645C3 publication Critical patent/DE2249645C3/de
Expired legal-status Critical Current

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
    • H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
    • 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)
  • Control Of Electrical Variables (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE2249645A 1971-10-21 1972-10-11 Stromverstärker Expired DE2249645C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7114470,A NL169239C (nl) 1971-10-21 1971-10-21 Stroomversterker.

Publications (3)

Publication Number Publication Date
DE2249645A1 DE2249645A1 (de) 1973-04-26
DE2249645B2 DE2249645B2 (de) 1979-08-16
DE2249645C3 true DE2249645C3 (de) 1982-06-09

Family

ID=19814305

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2249645A Expired DE2249645C3 (de) 1971-10-21 1972-10-11 Stromverstärker

Country Status (12)

Country Link
US (1) US3813607A (enExample)
JP (1) JPS5344662B2 (enExample)
AU (1) AU466578B2 (enExample)
CA (1) CA969628A (enExample)
DE (1) DE2249645C3 (enExample)
ES (1) ES407761A1 (enExample)
FR (1) FR2157610A5 (enExample)
GB (1) GB1349310A (enExample)
HK (1) HK58276A (enExample)
IT (1) IT969676B (enExample)
NL (1) NL169239C (enExample)
SE (1) SE392007B (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7307378A (enExample) * 1973-05-28 1974-12-02
NL7316556A (nl) * 1973-12-04 1975-06-06 Philips Nv Stroomstabilisatieschakeling.
US3887879A (en) * 1974-04-11 1975-06-03 Rca Corp Current mirror
US3904976A (en) * 1974-04-15 1975-09-09 Rca Corp Current amplifier
US4008441A (en) * 1974-08-16 1977-02-15 Rca Corporation Current amplifier
US4063149A (en) * 1975-02-24 1977-12-13 Rca Corporation Current regulating circuits
JPS5287649A (en) * 1976-01-16 1977-07-21 Matsushita Electric Ind Co Ltd Constant current bias circuit
US4051392A (en) * 1976-04-08 1977-09-27 Rca Corporation Circuit for starting current flow in current amplifier circuits
JPS5323056A (en) * 1976-08-17 1978-03-03 Matsushita Electric Ind Co Ltd Constant current biasing circuit
US4160944A (en) * 1977-09-26 1979-07-10 Rca Corporation Current amplifier capable of selectively providing current gain
US4230999A (en) * 1979-03-28 1980-10-28 Rca Corporation Oscillator incorporating negative impedance network having current mirror amplifier
CA1152582A (en) * 1979-11-05 1983-08-23 Takashi Okada Current mirror circuit
US4329639A (en) * 1980-02-25 1982-05-11 Motorola, Inc. Low voltage current mirror
JPS605085B2 (ja) * 1980-04-14 1985-02-08 株式会社東芝 カレントミラ−回路
JPS5717211A (en) * 1981-06-01 1982-01-28 Matsushita Electric Ind Co Ltd Constant current bias circuit
JPS57206107A (en) * 1981-06-15 1982-12-17 Toshiba Corp Current mirror circuit
US4435678A (en) 1982-02-26 1984-03-06 Motorola, Inc. Low voltage precision current source
JPS59103409A (ja) * 1982-12-03 1984-06-14 Toshiba Corp カレントミラ−回路
JPH069326B2 (ja) * 1983-05-26 1994-02-02 ソニー株式会社 カレントミラー回路
US4528496A (en) * 1983-06-23 1985-07-09 National Semiconductor Corporation Current supply for use in low voltage IC devices
US4578633A (en) * 1983-08-31 1986-03-25 Kabushiki Kaisha Toshiba Constant current source circuit
US4574233A (en) * 1984-03-30 1986-03-04 Tektronix, Inc. High impedance current source
GB2217937A (en) * 1988-04-29 1989-11-01 Philips Electronic Associated Current divider circuit
DE4302221C1 (de) * 1993-01-27 1994-02-17 Siemens Ag Integrierbare Stromquellenschaltung unter Verwendung von bipolaren pnp-Transistoren
DE19529059A1 (de) * 1995-08-08 1997-02-13 Philips Patentverwaltung Stromspiegelanordnung
US6507236B1 (en) * 2001-07-09 2003-01-14 Intersil Americas Inc. Multistage precision, low input/output overhead, low power, high output impedance and low crosstalk current mirror
US6518832B2 (en) * 2001-07-09 2003-02-11 Intersil Americas Inc. Mechanism for minimizing current mirror transistor base current error for low overhead voltage applications
KR20050098722A (ko) * 2004-04-08 2005-10-12 원종호 구두주걱이 필요없는 구두

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1274672A (en) * 1968-09-27 1972-05-17 Rca Corp Operational amplifier

Also Published As

Publication number Publication date
JPS5344662B2 (enExample) 1978-11-30
US3813607A (en) 1974-05-28
NL169239B (nl) 1982-01-18
NL169239C (nl) 1982-06-16
DE2249645B2 (de) 1979-08-16
ES407761A1 (es) 1975-10-16
DE2249645A1 (de) 1973-04-26
FR2157610A5 (enExample) 1973-06-01
JPS4850248A (enExample) 1973-07-16
HK58276A (en) 1976-10-01
NL7114470A (enExample) 1973-04-25
CA969628A (en) 1975-06-17
GB1349310A (en) 1974-04-03
SE392007B (sv) 1977-03-07
AU4788572A (en) 1974-04-26
IT969676B (it) 1974-04-10
AU466578B2 (en) 1975-10-30

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee