KR900017385A - 개조된 동조 특성을 갖는 발진기 - Google Patents

개조된 동조 특성을 갖는 발진기 Download PDF

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Publication number
KR900017385A
KR900017385A KR1019900004950A KR900004950A KR900017385A KR 900017385 A KR900017385 A KR 900017385A KR 1019900004950 A KR1019900004950 A KR 1019900004950A KR 900004950 A KR900004950 A KR 900004950A KR 900017385 A KR900017385 A KR 900017385A
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KR
South Korea
Prior art keywords
tuning
oscillator
coupled
modified
oscillators
Prior art date
Application number
KR1019900004950A
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English (en)
Other versions
KR0148016B1 (ko
Inventor
데이빗 앤더슨 윌리암
Original Assignee
피터 엠. 엠마뉴엘
톰슨 컨슈머 일렉트로닉스 인코포레이티드
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 피터 엠. 엠마뉴엘, 톰슨 컨슈머 일렉트로닉스 인코포레이티드 filed Critical 피터 엠. 엠마뉴엘
Publication of KR900017385A publication Critical patent/KR900017385A/ko
Application granted granted Critical
Publication of KR0148016B1 publication Critical patent/KR0148016B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)

Abstract

내용 없음

Description

개조된 동조 특성을 갖는 발진기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 특징으로 포함한 텔레비젼 수신기 튜너의 블럭 선도,
제2도는 제1도의 종래 기술인 발진기의 관련 부분의 개략도,
제3도는 본 발명에 따라 변경된 제2도의 발진기의 개략도.

Claims (3)

  1. 증폭 장치와, 동조 전압(BS 1, BS 2)에 응답하여 동조 수단(400)에 의해 결정된 주파수로 발진하기 위해 상기 증폭 장치를 조절하며, 반응 동조 소자(301a)를 포함하는 동조 수단 및 피이드백을 포함하는 텔레비젼 수상기 튜너에서 개조된 동조 특성을 갖는 발진기에 있어서, 상기 동조 전압으로 상기 동조 수단의 응답을 개조 하는 상기 반응 동조 소자에 결합된 공진 회로(R)를 포함하는 것을 특징으로 하는 개조된 동조 특성을 갖는 발진기.
  2. 제1항에 있어서, 상기 반응 동조 소자가 제1유도성 소자이고 상기 공진 회로가 네트워크를 형성하는 캐패시턴스 소자와 직렬로 결합된 제2유도성 소자인 것을 특징으로 하는 개조된 동조 특성을 갖는 발진기.
  3. 제2항에 있어서, 상기 네트워크가 상기 제1유도성 소자와 직렬로 결합되는 것을 특징으로 하는 개조된 동조 특성을 갖는 발진기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900004950A 1989-04-14 1990-04-11 조정된 동조 특성을 갖는 발진기 KR0148016B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US339576 1989-04-14
US07/339,576 US4996599A (en) 1989-04-14 1989-04-14 Television tuner oscillator with three point tracking

Publications (2)

Publication Number Publication Date
KR900017385A true KR900017385A (ko) 1990-11-16
KR0148016B1 KR0148016B1 (ko) 1998-09-15

Family

ID=23329681

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900004950A KR0148016B1 (ko) 1989-04-14 1990-04-11 조정된 동조 특성을 갖는 발진기

Country Status (3)

Country Link
US (1) US4996599A (ko)
JP (1) JP2553949B2 (ko)
KR (1) KR0148016B1 (ko)

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Publication number Priority date Publication date Assignee Title
US5349700A (en) * 1991-10-28 1994-09-20 Bose Corporation Antenna tuning system for operation over a predetermined frequency range
US5479255A (en) * 1992-12-17 1995-12-26 Trw Inc. Multispectral signature extraction technique
US5300780A (en) * 1992-12-17 1994-04-05 Trw Inc. Missile surveillance method and apparatus
US5619283A (en) * 1994-08-08 1997-04-08 Thomson Consumer Electronics, Inc. Double tuned RF circuit with balanced secondary
JP3478313B2 (ja) * 1995-01-25 2003-12-15 ソニー株式会社 受信機
JPH1056329A (ja) * 1996-08-12 1998-02-24 Matsushita Electric Ind Co Ltd 周波数制御発振器
EP0939488A1 (en) * 1998-02-02 1999-09-01 Sony International (Europe) GmbH Voltage controlled tuning cicuit
AU2000266379A1 (en) * 1999-08-10 2004-01-06 Qualcomm Incorporated Band switchable intermediate frequency band pass filter
KR100601929B1 (ko) * 2001-07-23 2006-07-14 삼성전자주식회사 그 구성이 최소화된 다중-대역 무선주파수 모듈
US6925291B2 (en) 2002-09-27 2005-08-02 Thomson Licensing S.A. Electronic alignment system for a television signal tuner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628152A (en) * 1970-02-25 1971-12-14 Rca Corp Television tuning circuit utilizing voltage variable capacitance
US3825858A (en) * 1973-02-23 1974-07-23 Hitachi Ltd Local oscillator for use in a vhf tuner for a television receiver
US3962643A (en) * 1974-08-05 1976-06-08 Zenith Radio Corporation Abrupt junction varactor diode television tuner
JPS5133916A (en) * 1974-09-17 1976-03-23 Matsushita Electric Ind Co Ltd Vhf terebijonchuuna no nyuryokukairo
US4288875A (en) * 1980-02-08 1981-09-08 Rca Corporation Controlled local oscillator with apparatus for extending its frequency range
US4271529A (en) * 1980-03-20 1981-06-02 Zenith Radio Corporation Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner
US4339559A (en) * 1980-05-21 1982-07-13 Phillips Petroleum Company Polymerization using silica from single phase controlled hydrolysis of silicate ester
US4334323A (en) * 1980-09-08 1982-06-08 Zenith Radio Corporation Self tracking tuner
US4363135A (en) * 1980-10-27 1982-12-07 Zenith Radio Corporation Four band VHF varactor tuner
US4404686A (en) * 1980-12-01 1983-09-13 Zenith Radio Corporation Four band VHF varactor tuner to cover extended CATV band utilizing two switching diodes per resonant circuit
JPS5899927U (ja) * 1981-12-25 1983-07-07 アルプス電気株式会社 チユ−ナのバンド切換回路
US4442548A (en) * 1982-05-14 1984-04-10 Rca Corporation Television receiver tuning circuit tunable over a wide frequency range
JPS60111122U (ja) * 1983-12-27 1985-07-27 三洋電機株式会社 バンド切換え回路
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US4601062A (en) * 1985-02-28 1986-07-15 Rca Corporation Tracking image frequency trap
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US4743866A (en) * 1986-11-26 1988-05-10 Rca Corporation Wide range oscillator
US4703286A (en) * 1986-11-26 1987-10-27 Rca Corporation Dual gate tunable oscillator
US4783849A (en) * 1986-11-26 1988-11-08 Rca Licensing Corporation FET tuner
JPH0411391Y2 (ko) * 1987-08-20 1992-03-23

Also Published As

Publication number Publication date
KR0148016B1 (ko) 1998-09-15
US4996599A (en) 1991-02-26
JP2553949B2 (ja) 1996-11-13
JPH02301211A (ja) 1990-12-13

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