JPH02113434U - - Google Patents

Info

Publication number
JPH02113434U
JPH02113434U JP2301289U JP2301289U JPH02113434U JP H02113434 U JPH02113434 U JP H02113434U JP 2301289 U JP2301289 U JP 2301289U JP 2301289 U JP2301289 U JP 2301289U JP H02113434 U JPH02113434 U JP H02113434U
Authority
JP
Japan
Prior art keywords
frequency
outputs
circuit
discrimination
oscillation signal
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
JP2301289U
Other languages
English (en)
Other versions
JPH0611648Y2 (ja
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 JP2301289U priority Critical patent/JPH0611648Y2/ja
Publication of JPH02113434U publication Critical patent/JPH02113434U/ja
Application granted granted Critical
Publication of JPH0611648Y2 publication Critical patent/JPH0611648Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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】
第１図はこの考案に係るＡＦＴ回路の一例を示
す要部の系統図、第２図はその動作説明に供する
弁別出力の特性図、第３図は従来のＡＦＴ回路の
系統図、第４図は弁別出力の特性図である。 １０……ＡＦＴ回路、１４……混合回路、１６
……局部発振器、１８……映像中間周波増幅回路
、２０……映像検波回路、２４……周波数弁別器
、３０……プロセツサ、ｅ……弁別出力、Ｖｃ…
…バイアス電圧。

Claims (1)

  1. 【実用新案登録請求の範囲】 高周波テレビジヨン信号が供給される混合回路
    と、 これに所定の局部発振信号を供給する局部発振
    器と、 周波数弁別器とを有し、 この周波数弁別器から得られる弁別出力のうち
    、映像中間周波数を挟んだ２点の夫々の弁別出力
    に関連したバイアス電圧を格納するプロセツサが
    設けられ、 このバイアス電圧の平均値を上記局部発振信号
    に対するバイアス電圧として使用したことを特徴
    とするＡＦＴ回路。
JP2301289U 1989-02-28 1989-02-28 Ａｆｔ回路 Expired - Lifetime JPH0611648Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2301289U JPH0611648Y2 (ja) 1989-02-28 1989-02-28 Ａｆｔ回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2301289U JPH0611648Y2 (ja) 1989-02-28 1989-02-28 Ａｆｔ回路

Publications (2)

Publication Number Publication Date
JPH02113434U true JPH02113434U (ja) 1990-09-11
JPH0611648Y2 JPH0611648Y2 (ja) 1994-03-23

Family

ID=31241646

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2301289U Expired - Lifetime JPH0611648Y2 (ja) 1989-02-28 1989-02-28 Ａｆｔ回路

Country Status (1)

Country Link
JP (1) JPH0611648Y2 (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6365244B2 (ja) 2014-10-31 2018-08-01 京セラドキュメントソリューションズ株式会社 画像形成装置

Also Published As

Publication number Publication date
JPH0611648Y2 (ja) 1994-03-23

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term