FR2255760B1 - - Google Patents

Info

Publication number
FR2255760B1
FR2255760B1 FR7345707A FR7345707A FR2255760B1 FR 2255760 B1 FR2255760 B1 FR 2255760B1 FR 7345707 A FR7345707 A FR 7345707A FR 7345707 A FR7345707 A FR 7345707A FR 2255760 B1 FR2255760 B1 FR 2255760B1
Authority
FR
France
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
FR7345707A
Other languages
French (fr)
Other versions
FR2255760A1 (en
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications SA
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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7345707A priority Critical patent/FR2255760A1/en
Priority to DE19742459360 priority patent/DE2459360C3/en
Publication of FR2255760A1 publication Critical patent/FR2255760A1/en
Application granted granted Critical
Publication of FR2255760B1 publication Critical patent/FR2255760B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/22—Repeaters for converting two wires to four wires; Repeaters for converting single current to double current
    • 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)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Amplifiers (AREA)
  • Control Of Electrical Variables (AREA)
FR7345707A 1973-12-20 1973-12-20 Monolithic integrated cct. for data terminals - has high output impedance even at relatively high current amplitudes Granted FR2255760A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7345707A FR2255760A1 (en) 1973-12-20 1973-12-20 Monolithic integrated cct. for data terminals - has high output impedance even at relatively high current amplitudes
DE19742459360 DE2459360C3 (en) 1973-12-20 1974-12-16 Monolithically integrated power source with high output resistance and its use in a two-wire / four-wire transition circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7345707A FR2255760A1 (en) 1973-12-20 1973-12-20 Monolithic integrated cct. for data terminals - has high output impedance even at relatively high current amplitudes

Publications (2)

Publication Number Publication Date
FR2255760A1 FR2255760A1 (en) 1975-07-18
FR2255760B1 true FR2255760B1 (en) 1979-03-16

Family

ID=9129521

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7345707A Granted FR2255760A1 (en) 1973-12-20 1973-12-20 Monolithic integrated cct. for data terminals - has high output impedance even at relatively high current amplitudes

Country Status (2)

Country Link
DE (1) DE2459360C3 (en)
FR (1) FR2255760A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4479086A (en) * 1981-09-24 1984-10-23 Tokyo Shibaura Denki Kabushiki Kaisha Transistor circuit
EP0684537B1 (en) * 1994-05-27 2001-08-16 Sgs-Thomson Microelectronics Pte Ltd. A multiple output current mirror

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1364047A (en) * 1970-07-13 1974-08-21 Rca Corp Current stabilization networks
NL7017919A (en) * 1970-12-09 1972-06-13

Also Published As

Publication number Publication date
DE2459360C3 (en) 1982-03-04
FR2255760A1 (en) 1975-07-18
DE2459360A1 (en) 1975-07-03
DE2459360B2 (en) 1981-07-30

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Legal Events

Date Code Title Description
ST Notification of lapse