JPH0316643B2 - - Google Patents

Info

Publication number
JPH0316643B2
JPH0316643B2 JP55178905A JP17890580A JPH0316643B2 JP H0316643 B2 JPH0316643 B2 JP H0316643B2 JP 55178905 A JP55178905 A JP 55178905A JP 17890580 A JP17890580 A JP 17890580A JP H0316643 B2 JPH0316643 B2 JP H0316643B2
Authority
JP
Japan
Prior art keywords
voltage
current
output
power supply
resistor
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
JP55178905A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57103521A (en
Inventor
Seiya Uchida
Koichi Ashikaga
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu Electric Co Ltd
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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP55178905A priority Critical patent/JPS57103521A/ja
Priority to US06/329,029 priority patent/US4479085A/en
Publication of JPS57103521A publication Critical patent/JPS57103521A/ja
Publication of JPH0316643B2 publication Critical patent/JPH0316643B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G05F1/575—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 characterised by the feedback circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Signal Processing (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Direct Current Feeding And Distribution (AREA)
JP55178905A 1980-12-19 1980-12-19 Power supply circuit Granted JPS57103521A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55178905A JPS57103521A (en) 1980-12-19 1980-12-19 Power supply circuit
US06/329,029 US4479085A (en) 1980-12-19 1981-12-09 Power source circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55178905A JPS57103521A (en) 1980-12-19 1980-12-19 Power supply circuit

Publications (2)

Publication Number Publication Date
JPS57103521A JPS57103521A (en) 1982-06-28
JPH0316643B2 true JPH0316643B2 (en]) 1991-03-06

Family

ID=16056727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55178905A Granted JPS57103521A (en) 1980-12-19 1980-12-19 Power supply circuit

Country Status (2)

Country Link
US (1) US4479085A (en])
JP (1) JPS57103521A (en])

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182788B (en) * 1985-11-08 1989-12-28 Plessey Co Plc Voltage regulator circuit
IT1236823B (it) * 1989-11-23 1993-04-02 Alcatel Dial Face Spa Dispositivo per la trasmissione su un'unica coppia di conduttori del segnale fonico, della segnalazione e dell'alimentazione in apparecchiature intercomunicanti.
US5191278A (en) * 1991-10-23 1993-03-02 International Business Machines Corporation High bandwidth low dropout linear regulator
EP0570767A3 (en) * 1992-05-19 1993-12-15 Siemens Ag Circuit arrangement for the power supply to at least one load
GB2279472B (en) * 1993-06-02 1997-07-23 Vtech Communications Ltd Low drop-out regulator apparatus
ATE231251T1 (de) * 1995-07-14 2003-02-15 Hewlett Packard Co Stromversorgung
JPH09325825A (ja) * 1996-06-06 1997-12-16 Pioneer Electron Corp 電圧平滑化回路
DE10215748A1 (de) * 2002-04-10 2003-12-24 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur elektronischen Spannungsregelung
JP4526297B2 (ja) * 2004-04-23 2010-08-18 ニッタン株式会社 伝送システム
CN101714007B (zh) 2009-11-11 2011-11-16 钰创科技股份有限公司 一种对于临界电压变异有免疫效果的电流源及其产生方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3470457A (en) * 1967-04-28 1969-09-30 Texaco Inc Voltage regulator employing cascaded operational amplifiers
US3555402A (en) * 1968-12-18 1971-01-12 Honeywell Inc Constant current temperature stabilized signal converter circuit
US4206397A (en) * 1978-03-13 1980-06-03 Rosemount Inc. Two wire current transmitter with improved voltage regulator

Also Published As

Publication number Publication date
JPS57103521A (en) 1982-06-28
US4479085A (en) 1984-10-23

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