JPH01137627U - - Google Patents

Info

Publication number
JPH01137627U
JPH01137627U JP3357188U JP3357188U JPH01137627U JP H01137627 U JPH01137627 U JP H01137627U JP 3357188 U JP3357188 U JP 3357188U JP 3357188 U JP3357188 U JP 3357188U JP H01137627 U JPH01137627 U JP H01137627U
Authority
JP
Japan
Prior art keywords
control circuit
aft
detection means
tuning control
detection
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.)
Pending
Application number
JP3357188U
Other languages
English (en)
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 filed Critical
Priority to JP3357188U priority Critical patent/JPH01137627U/ja
Publication of JPH01137627U publication Critical patent/JPH01137627U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示すもので、第1
図は回路構成を示すブロツク図、第2図は中間周
波数特性を示す図である。 11…チユーナ、12…AFT回路、13…S
AWフイルタ、14…中間周波増幅回路、15…
コンパレータ、16…可変容量ダイオード(バリ
キヤツプ)。

Claims (1)

  1. 【実用新案登録請求の範囲】 テレビ中間周波信号をAFT検波して得たAF
    T信号を基にチユーニング動作を行なうチユーニ
    ング制御回路において、 受信電波のレベル低下を検出する検出手段と、 この検出手段に従つて上記AFT信号による受
    信周波数を特定幅だけ低下させる周波数可変手段
    と を具備したことを特徴とするチユーニング制御
    回路。
JP3357188U 1988-03-14 1988-03-14 Pending JPH01137627U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3357188U JPH01137627U (ja) 1988-03-14 1988-03-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3357188U JPH01137627U (ja) 1988-03-14 1988-03-14

Publications (1)

Publication Number Publication Date
JPH01137627U true JPH01137627U (ja) 1989-09-20

Family

ID=31260260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3357188U Pending JPH01137627U (ja) 1988-03-14 1988-03-14

Country Status (1)

Country Link
JP (1) JPH01137627U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58145219A (ja) * 1982-02-22 1983-08-30 Nippon Gakki Seizo Kk 受信装置
JPS6018013A (ja) * 1983-07-11 1985-01-30 Pioneer Electronic Corp Pllシンセサイザ方式テレビジヨン受像機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58145219A (ja) * 1982-02-22 1983-08-30 Nippon Gakki Seizo Kk 受信装置
JPS6018013A (ja) * 1983-07-11 1985-01-30 Pioneer Electronic Corp Pllシンセサイザ方式テレビジヨン受像機

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