KR880012002A - Oscillator of TV tuner - Google Patents

Oscillator of TV tuner Download PDF

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Publication number
KR880012002A
KR880012002A KR870003026A KR870003026A KR880012002A KR 880012002 A KR880012002 A KR 880012002A KR 870003026 A KR870003026 A KR 870003026A KR 870003026 A KR870003026 A KR 870003026A KR 880012002 A KR880012002 A KR 880012002A
Authority
KR
South Korea
Prior art keywords
stage
switching
capacitor
driven
terminal
Prior art date
Application number
KR870003026A
Other languages
Korean (ko)
Inventor
박경춘
Original Assignee
서주인
삼성전기 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.)
Filing date
Publication date
Application filed by 서주인, 삼성전기 주식회사 filed Critical 서주인
Priority to KR870003026A priority Critical patent/KR880012002A/en
Publication of KR880012002A publication Critical patent/KR880012002A/en

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Abstract

내용없음No content

Description

텔레비전 튜너의 발진회로Oscillator circuit of a television tuner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에 따른 발진회로도1 is an oscillation circuit diagram according to the present invention

제 2 도는 대역에 따른 전원단의 온·오프를 나타낸 도표이다2 is a diagram showing on / off of power stages according to bands.

Claims (1)

전자동조식 텔레비전 튜너의 발진회로에 있어서, 단일의 발진용 트랜지스터(TR1)와, 콘덴서(C1~2) 및 저항(R1)으로 구성되면서 전원단(VS1)에 의해 구동되는 제 1 스위칭단(1), 코일(L1~2) 및 콘덴서(C3)로 구성되면서 전원단(VS2)에 의해 구동되는 제 2 스위칭단, 코일(S3) 및 콘덴서(C4)로 구성되면서 전원단(VS3)에 의해 구동되는 제 3 스위칭단(3)으로 이루어지되 상기 트랜지스터(TR1)의 에미터단과 제 1 스위칭단(1) 사이에는 다이오드(D1)와 콘덴서(C5)가 직력로 연결되어 궤환 신호 조절부(4)를 구성한 것을 특징으로 하는 텔레비전 튜너의 발진회로.In an oscillating circuit of a fully tuned television tuner, a first switching unit configured by a single oscillation transistor TR 1 , capacitors C 1 to 2 , and a resistor R 1 , and driven by a power supply stage VS 1 . Comprised of a second switching stage, a coil (S 3 ) and a capacitor (C 4 ) driven by a power stage (VS 2 ) while being composed of a stage (1), coils (L 1 ~ 2 ) and a capacitor (C 3 ) Comprising a third switching stage (3) driven by the power supply terminal VS 3 , between the emitter terminal and the first switching terminal 1 of the transistor TR 1 and the diode (D 1 ) and the capacitor (C 5 ) Oscillating circuit of a television tuner, characterized in that the linear signal is connected to form a feedback signal adjusting unit (4). ※참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the first application.
KR870003026A 1987-03-31 1987-03-31 Oscillator of TV tuner KR880012002A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR870003026A KR880012002A (en) 1987-03-31 1987-03-31 Oscillator of TV tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR870003026A KR880012002A (en) 1987-03-31 1987-03-31 Oscillator of TV tuner

Publications (1)

Publication Number Publication Date
KR880012002A true KR880012002A (en) 1988-10-31

Family

ID=68461214

Family Applications (1)

Application Number Title Priority Date Filing Date
KR870003026A KR880012002A (en) 1987-03-31 1987-03-31 Oscillator of TV tuner

Country Status (1)

Country Link
KR (1) KR880012002A (en)

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