KR890007480A - 정전류회로 - Google Patents

정전류회로 Download PDF

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Publication number
KR890007480A
KR890007480A KR870012139A KR870012139A KR890007480A KR 890007480 A KR890007480 A KR 890007480A KR 870012139 A KR870012139 A KR 870012139A KR 870012139 A KR870012139 A KR 870012139A KR 890007480 A KR890007480 A KR 890007480A
Authority
KR
South Korea
Prior art keywords
transistor
constant current
current circuit
resistor
base
Prior art date
Application number
KR870012139A
Other languages
English (en)
Other versions
KR900001482B1 (ko
Inventor
안병국
Original Assignee
최근선
주식회사 금성사
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 최근선, 주식회사 금성사 filed Critical 최근선
Priority to KR1019870012139A priority Critical patent/KR900001482B1/ko
Publication of KR890007480A publication Critical patent/KR890007480A/ko
Application granted granted Critical
Publication of KR900001482B1 publication Critical patent/KR900001482B1/ko

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)

Abstract

내용 없음

Description

정전류회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명을 정전류회로도.
* 도면의 주요부분에 대한 부호의 설명
TR21-TR24: 트랜지스터 R1-R5: 저항
Vcc : 전원단자

Claims (1)

  1. 전원단자(Vcc)를 저항( R21)을 통해 트랜지스터(TR21)의 콜렉터 및 트랜지스터(TR21,TR22)의 베이스에 접속하고, 트랜지스터(TR21)(TR22)의 에미터는 저항(R22)(R23)및 트랜지스터(TR23)(TR24)의 베이스에 접속하며, 트랜지스터(TR23)(TR24)의 에미터에는 저항(R24)(R25)을 접속하여, 트랜지스터(TR24)의 콜렉터를 부하에 접속하여 구성함을 특징으로 하는 정전류회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870012139A 1987-10-30 1987-10-30 정전류회로 KR900001482B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870012139A KR900001482B1 (ko) 1987-10-30 1987-10-30 정전류회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870012139A KR900001482B1 (ko) 1987-10-30 1987-10-30 정전류회로

Publications (2)

Publication Number Publication Date
KR890007480A true KR890007480A (ko) 1989-06-20
KR900001482B1 KR900001482B1 (ko) 1990-03-12

Family

ID=19265614

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012139A KR900001482B1 (ko) 1987-10-30 1987-10-30 정전류회로

Country Status (1)

Country Link
KR (1) KR900001482B1 (ko)

Also Published As

Publication number Publication date
KR900001482B1 (ko) 1990-03-12

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