JPS59134935U - AFT voltage superimposition circuit - Google Patents

AFT voltage superimposition circuit

Info

Publication number
JPS59134935U
JPS59134935U JP2977783U JP2977783U JPS59134935U JP S59134935 U JPS59134935 U JP S59134935U JP 2977783 U JP2977783 U JP 2977783U JP 2977783 U JP2977783 U JP 2977783U JP S59134935 U JPS59134935 U JP S59134935U
Authority
JP
Japan
Prior art keywords
voltage
aft
aft voltage
superimposition circuit
voltage superimposition
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
JP2977783U
Other languages
Japanese (ja)
Inventor
岳村　弘樹
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP2977783U priority Critical patent/JPS59134935U/en
Publication of JPS59134935U publication Critical patent/JPS59134935U/en
Pending legal-status Critical Current

Links

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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はＡＦＴ電圧重盛回路の一例を示す図、第２図は
ＡＦＴ電圧の重畳効率を大きくしたＡＦＴ電圧重畳回路
の一例を示す図、第３図は第２図のＡＦＴ電圧重畳回路
に可変インピーダンス回路を挿入した回路の一例を示す
図、第４図は本考案のＡＦＴ電圧重畳回路の一例を示す
図、第５図は本考案のＡＦＴ電圧重畳回路の他の実施例
を示す図である。Fig. 1 is a diagram showing an example of an AFT voltage superimposition circuit, Fig. 2 is a diagram showing an example of an AFT voltage superimposition circuit with increased AFT voltage superimposition efficiency, and Fig. 3 is a diagram showing an example of an AFT voltage superimposition circuit with increased AFT voltage superimposition efficiency. FIG. 4 is a diagram showing an example of a circuit in which an impedance circuit is inserted, FIG. 4 is a diagram showing an example of the AFT voltage superimposition circuit of the present invention, and FIG. 5 is a diagram showing another embodiment of the AFT voltage superimposition circuit of the present invention. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＡＦＴ電圧を重畳した同調電圧をチューナの局部発振回
路の可変容量ダイオードに印加して発振周波数の変動を
補正するＡＦＴ装置に於いて、前記ＡＦＴ電圧を重畳し
た同調電圧を増幅回路で増幅した後に前記チューナの可
変容量ダイオードに印加することを特徴とするＡＦＴ電
圧重畳回路。In an AFT device that corrects fluctuations in oscillation frequency by applying a tuning voltage on which an AFT voltage is superimposed to a variable capacitance diode of a local oscillation circuit of a tuner, the tuning voltage on which the AFT voltage is superimposed is amplified by an amplifier circuit, and then the An AFT voltage superimposition circuit characterized by applying voltage to a variable capacitance diode of a tuner.
JP2977783U 1983-02-28 1983-02-28 AFT voltage superimposition circuit Pending JPS59134935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2977783U JPS59134935U (en) 1983-02-28 1983-02-28 AFT voltage superimposition circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2977783U JPS59134935U (en) 1983-02-28 1983-02-28 AFT voltage superimposition circuit

Publications (1)

Publication Number Publication Date
JPS59134935U true JPS59134935U (en) 1984-09-08

Family

ID=30160647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2977783U Pending JPS59134935U (en) 1983-02-28 1983-02-28 AFT voltage superimposition circuit

Country Status (1)

Country Link
JP (1) JPS59134935U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183334U (en) * 1984-11-07 1986-06-02

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108219A (en) * 1977-03-03 1978-09-20 Toshiba Corp Channel selection device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108219A (en) * 1977-03-03 1978-09-20 Toshiba Corp Channel selection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183334U (en) * 1984-11-07 1986-06-02

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