JPS5959049U - 周波数シンセサイザ用電子同調チユ−ナ - Google Patents

周波数シンセサイザ用電子同調チユ−ナ

Info

Publication number
JPS5959049U
JPS5959049U JP1982154662U JP15466282U JPS5959049U JP S5959049 U JPS5959049 U JP S5959049U JP 1982154662 U JP1982154662 U JP 1982154662U JP 15466282 U JP15466282 U JP 15466282U JP S5959049 U JPS5959049 U JP S5959049U
Authority
JP
Japan
Prior art keywords
frequency synthesizer
electronic tuning
circuit
resistor
tuning tuner
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP1982154662U
Other languages
English (en)
Other versions
JPS639154Y2 (ja
Inventor
伊地知　定嘉
正喜 山本
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP1982154662U priority Critical patent/JPS5959049U/ja
Priority to KR2019830005807U priority patent/KR900005142Y1/ko
Priority to US06/541,553 priority patent/US4527280A/en
Publication of JPS5959049U publication Critical patent/JPS5959049U/ja
Application granted granted Critical
Publication of JPS639154Y2 publication Critical patent/JPS639154Y2/ja
Granted legal-status Critical Current

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
    • 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

  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は周波数シンセサイザ方式のテレビジョ　　−□
　ンチューナ、第２図及び第３図はコンバイナーの特性
図、第４図はコンデンサと抵抗を使用した結合回路、第
５図は本考案の一実施例、第６図は第４図の結合回路に
おける状態説明図、第７図は本考案の一実施例における
状態説明図である。 １．２・・・局部発振器、３・・・プリスケーラ部、４
・・・コンバイナー、５・・・コンデンサ、６・・・抵
抗、７・・・コンデンサ、８・・・抵抗、９・・・銅箔
。

Claims (1)

    【実用新案登録請求の範囲】
  1. 受信ハンドに応じて１つの発振器のみが動作する発振周
    波数範囲が異なる複数の発振器を備え、ＰＬＬ選局回路
    を構成するプリスケーラに前記複数の発振器の出力をそ
    れぞれ抵抗とコンデンサとの直列接続された結合回路を
    介して入力したチューナにおいて、前記結合回路は抵抗
    が発振器側に接続され、コンデンサがプリスケーラ側に
    それぞれ接続されたことを特徴とする周波数シンセサイ
    ザ用電子同調チー−す。　　　　　’＃１１２１
JP1982154662U 1982-10-13 1982-10-13 周波数シンセサイザ用電子同調チユ−ナ Granted JPS5959049U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1982154662U JPS5959049U (ja) 1982-10-13 1982-10-13 周波数シンセサイザ用電子同調チユ−ナ
KR2019830005807U KR900005142Y1 (ko) 1982-10-13 1983-07-02 주파수 신저사이저용 전자동조 튜우너
US06/541,553 US4527280A (en) 1982-10-13 1983-10-13 Frequency synthesizing type electronic tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982154662U JPS5959049U (ja) 1982-10-13 1982-10-13 周波数シンセサイザ用電子同調チユ−ナ

Publications (2)

Publication Number Publication Date
JPS5959049U true JPS5959049U (ja) 1984-04-17
JPS639154Y2 JPS639154Y2 (ja) 1988-03-18

Family

ID=15589142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982154662U Granted JPS5959049U (ja) 1982-10-13 1982-10-13 周波数シンセサイザ用電子同調チユ−ナ

Country Status (3)

Country Link
US (1) US4527280A (ja)
JP (1) JPS5959049U (ja)
KR (1) KR900005142Y1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126636U (ja) * 1985-01-25 1986-08-08

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748047A (en) * 1996-08-15 1998-05-05 Northrop Grumman Corporation Microwave frequency generator and method of generating a desired microwave frequency signal
JP3358724B2 (ja) * 1999-08-20 2002-12-24 シャープ株式会社 電子チューナ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55107749U (ja) * 1979-01-22 1980-07-28
JPS56146308A (en) * 1980-04-16 1981-11-13 Sanyo Electric Co Ltd Variable frequency oscillator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078212A (en) * 1976-02-27 1978-03-07 Rca Corporation Dual mode frequency synthesizer for a television tuning apparatus
US4245350A (en) * 1979-06-22 1981-01-13 Zenith Radio Corporation Automatic gain control system for direct-access television receiver
US4379271A (en) * 1980-08-25 1983-04-05 Rca Corporation Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55107749U (ja) * 1979-01-22 1980-07-28
JPS56146308A (en) * 1980-04-16 1981-11-13 Sanyo Electric Co Ltd Variable frequency oscillator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61126636U (ja) * 1985-01-25 1986-08-08

Also Published As

Publication number Publication date
KR840006479U (ko) 1984-12-03
US4527280A (en) 1985-07-02
KR900005142Y1 (ko) 1990-06-09
JPS639154Y2 (ja) 1988-03-18

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