CA1135349A - Sources de courant - Google Patents

Sources de courant

Info

Publication number
CA1135349A
CA1135349A CA000316238A CA316238A CA1135349A CA 1135349 A CA1135349 A CA 1135349A CA 000316238 A CA000316238 A CA 000316238A CA 316238 A CA316238 A CA 316238A CA 1135349 A CA1135349 A CA 1135349A
Authority
CA
Canada
Prior art keywords
input
current
signal
output
transistor
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
CA000316238A
Other languages
English (en)
Inventor
David E. Shobbrook
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Application granted granted Critical
Publication of CA1135349A publication Critical patent/CA1135349A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • G05F1/561—Voltage to current converters
    • 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
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
CA000316238A 1977-11-15 1978-11-14 Sources de courant Expired CA1135349A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB47475/77 1977-11-15
GB4747577A GB1602296A (en) 1977-11-15 1977-11-15 Current sources

Publications (1)

Publication Number Publication Date
CA1135349A true CA1135349A (fr) 1982-11-09

Family

ID=10445118

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000316238A Expired CA1135349A (fr) 1977-11-15 1978-11-14 Sources de courant

Country Status (6)

Country Link
BE (1) BE872025A (fr)
CA (1) CA1135349A (fr)
FR (1) FR2408948A1 (fr)
GB (1) GB1602296A (fr)
NL (1) NL7811241A (fr)
WO (1) WO1979000295A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135846B (en) * 1983-02-04 1986-03-12 Standard Telephones Cables Ltd Current splitter
NL8400508A (nl) * 1984-02-17 1985-09-16 Philips Nv Audiotransmissiecircuit met als lijnspanningsstabilisator uitgevoerde zendversterker.
NL8500674A (nl) * 1985-03-11 1986-10-01 Philips Nv Als lijnspanningsstabilisator uitgevoerde zendversterker met veranderbare referentiespanning.
JPH0826911B2 (ja) * 1990-02-07 1996-03-21 三菱電機株式会社 自動車用電磁クラツチ電流制御装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE568224A (fr) * 1957-06-07
NL7505506A (nl) * 1974-05-15 1975-11-18 Analog Devices Inc Transistorversterker van het darlington-type.
DE2626570C2 (de) * 1976-06-14 1986-07-03 Sachs Systemtechnik Gmbh, 8720 Schweinfurt Geregelte Stromversorgungs-Vorrichtung eines Wasserentkeimungsgerätes

Also Published As

Publication number Publication date
GB1602296A (en) 1981-11-11
FR2408948A1 (fr) 1979-06-08
WO1979000295A1 (fr) 1979-05-31
NL7811241A (nl) 1979-05-17
BE872025A (fr) 1979-03-01
FR2408948B1 (fr) 1984-05-04

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Legal Events

Date Code Title Description
MKEX Expiry