KR880009514A - Transistor Protection Circuit for Deflection Coil - Google Patents

Transistor Protection Circuit for Deflection Coil Download PDF

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Publication number
KR880009514A
KR880009514A KR870000421A KR870000421A KR880009514A KR 880009514 A KR880009514 A KR 880009514A KR 870000421 A KR870000421 A KR 870000421A KR 870000421 A KR870000421 A KR 870000421A KR 880009514 A KR880009514 A KR 880009514A
Authority
KR
South Korea
Prior art keywords
output transistor
deflection coil
emitter
diffusion layer
protection circuit
Prior art date
Application number
KR870000421A
Other languages
Korean (ko)
Other versions
KR940010483B1 (en
Inventor
김재휘
김병일
김상렬
Original Assignee
강진구
삼성반도체통신 주식회사
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.)
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Publication date
Application filed by 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR1019870000421A priority Critical patent/KR940010483B1/en
Publication of KR880009514A publication Critical patent/KR880009514A/en
Application granted granted Critical
Publication of KR940010483B1 publication Critical patent/KR940010483B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/185—Maintaining dc voltage constant

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Semiconductor Integrated Circuits (AREA)

Abstract

내용 없음.No content.

Description

편향코일에 대한 트랜지스터 보호회로Transistor Protection Circuit for Deflection Coil

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 본 발명의 편향코일에 대한 트랜지스터 보호 회로도.1 is a transistor protection circuit diagram for a deflection coil of the present invention.

제 2 도는 본 발명의 트랜지스터 보호회로의 배치도.2 is a layout view of a transistor protection circuit of the present invention.

제 3 도는 제 2 도의 배치도의 에미터보호저항과 P-n 접합의 단면도.3 is a cross-sectional view of the emitter protective resistance and P-n junction of the layout of FIG.

Claims (1)

귀선시간에 편향코일(L)에 의해 펄스파의 인가시 출력 트랜지스터(Q2)의 파괴를 방지하도록 출력트랜지스터(Q2)의 보호저항인 에미터 저항(R1)과 다이오드(D1)의 애노우드와 저항(R2)이 에미터에 접속된 출력 트랜지스터(Q3)의 콜렉터와 콘덴서(C)와 저항(R3)에 접속된 편향코일(L)이 함께 연결된 텔레비젼 수상기의 수직 출력 회로에 있어서, 상기한 출력트랜지스터(Q2)의 에미터인 n+-확산층(30)과 연결되어 출력 트랜지스터(Q2)를 보호하는 에미터 저항 (R1)인 n+-확산층(50)과, 출력트랜지스터(Q2)의 콜렉터인 n+-확산층(10)사이에 출력트랜지스터(Q2)와 에미터 저항 (R1)을 보호하는 P-확산층(40)과 n-epitaxial층(80)으로 이루어진 다이오드(D2)를 집적화시킨 것을 특징으로 하는 편향코일에 대한 출력 트랜지스터 보호회로.The emitter resistor R 1 and diode D 1 , which are the protection resistors of the output transistor Q 2 , to prevent destruction of the output transistor Q 2 when the pulse wave is applied by the deflection coil L at the return time. The vertical output circuit of the television receiver with the collector of the output transistor Q 3 connected to the emitter and the resistor R 2 connected to the emitter and the deflection coil L connected to the capacitor C and the resistor R 3 together. the method, the one output transistor the emitter of n + a (Q 2) - the n + emitter resistance (R 1) which is connected to the diffusion layer 30 protects the output transistor (Q 2) - diffusion layer 50 and the an output transistor (Q 2) collector, the n + a-diffusion layer (10) P- diffusion layer 40 for protecting the output transistor (Q 2) and the emitter resistance (R 1) between the n-epitaxial layer 80 An output transistor protection circuit for a deflection coil, characterized in that the integrated diode (D 2 ) consisting of. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870000421A 1987-01-20 1987-01-20 Transistor protecting circuit for deflection coil KR940010483B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870000421A KR940010483B1 (en) 1987-01-20 1987-01-20 Transistor protecting circuit for deflection coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870000421A KR940010483B1 (en) 1987-01-20 1987-01-20 Transistor protecting circuit for deflection coil

Publications (2)

Publication Number Publication Date
KR880009514A true KR880009514A (en) 1988-09-15
KR940010483B1 KR940010483B1 (en) 1994-10-22

Family

ID=19259039

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870000421A KR940010483B1 (en) 1987-01-20 1987-01-20 Transistor protecting circuit for deflection coil

Country Status (1)

Country Link
KR (1) KR940010483B1 (en)

Also Published As

Publication number Publication date
KR940010483B1 (en) 1994-10-22

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