KR900011293Y1 - 전자 튜우너의 밴드 변환회로 - Google Patents

전자 튜우너의 밴드 변환회로 Download PDF

Info

Publication number
KR900011293Y1
KR900011293Y1 KR2019830001437U KR830001437U KR900011293Y1 KR 900011293 Y1 KR900011293 Y1 KR 900011293Y1 KR 2019830001437 U KR2019830001437 U KR 2019830001437U KR 830001437 U KR830001437 U KR 830001437U KR 900011293 Y1 KR900011293 Y1 KR 900011293Y1
Authority
KR
South Korea
Prior art keywords
band
conversion
voltage
band conversion
tuning
Prior art date
Application number
KR2019830001437U
Other languages
English (en)
Korean (ko)
Other versions
KR840004512U (ko
Inventor
효오소오 요시무라
다께시 니시무라
Original Assignee
신닛뽄 덴끼 가부시기가이샤
사사기 요오쇼오
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 신닛뽄 덴끼 가부시기가이샤, 사사기 요오쇼오 filed Critical 신닛뽄 덴끼 가부시기가이샤
Publication of KR840004512U publication Critical patent/KR840004512U/ko
Application granted granted Critical
Publication of KR900011293Y1 publication Critical patent/KR900011293Y1/ko

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
KR2019830001437U 1982-02-18 1983-02-17 전자 튜우너의 밴드 변환회로 KR900011293Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22287 1982-02-18
JP1982022287U JPS58135133U (ja) 1982-02-18 1982-02-18 電子チユ−ナのバンド切換回路

Publications (2)

Publication Number Publication Date
KR840004512U KR840004512U (ko) 1984-09-20
KR900011293Y1 true KR900011293Y1 (ko) 1990-12-22

Family

ID=30034377

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019830001437U KR900011293Y1 (ko) 1982-02-18 1983-02-17 전자 튜우너의 밴드 변환회로

Country Status (2)

Country Link
JP (1) JPS58135133U (ja)
KR (1) KR900011293Y1 (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515882A (ja) * 1974-07-03 1976-01-19 Shindengen Electric Mfg Keikototentosochi

Also Published As

Publication number Publication date
JPS58135133U (ja) 1983-09-10
KR840004512U (ko) 1984-09-20

Similar Documents

Publication Publication Date Title
KR940005381B1 (ko) 다대역 튜너용 튜닝 회로
US4291290A (en) UHF-VHF tuner having damping means to reduce interference in UHF band
US6035185A (en) Selective RF circuit with varactor tuned bandpass switched bandpass filters
KR930004133B1 (ko) 동조 가능한 단계간 결합회로
JPS61257012A (ja) ２個の周波数帯の切換を行うチユ−ナ用切換回路配置
KR940005371B1 (ko) 국부 발진기
US4189678A (en) Combination VHF-UHF tuner for use in a television receiver
KR19990067818A (ko) 복동조회로
KR960009970B1 (ko) 트랙킹 특성이 개선된 동조 장치
KR920002761B1 (ko) 다중대역 텔레비젼 수상기용 동조 시스템
KR100377427B1 (ko) 이중동조회로
US4658437A (en) Tuning voltage tracking arrangement
US4710973A (en) Varactor diode tuner with band switched coils and lines
KR960003664B1 (ko) 이중 게이트 튜너블 발진기
KR900011293Y1 (ko) 전자 튜우너의 밴드 변환회로
KR20020042471A (ko) Ｖｈｆ대 및 ｕｈｆ대 텔레비젼신호 수신튜너
US6665022B1 (en) Input circuit of TV tuner
US6864925B2 (en) Television tuner having less distortion
KR100350092B1 (ko) 튜너의 복동조회로
US7209726B2 (en) Switch in UHF bandpass
KR100406353B1 (ko) 텔레비전 튜너의 입력동조 스위칭회로
KR890001666B1 (ko) 튜너
JP3558848B2 (ja) テレビジョンチューナーの入力回路
KR900002659Y1 (ko) 텔레비젼 튜너
KR900004410B1 (ko) 2방식 수신용 uhf 튜너

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee