JPS59127371U - RF converter - Google Patents

RF converter

Info

Publication number
JPS59127371U
JPS59127371U JP2113983U JP2113983U JPS59127371U JP S59127371 U JPS59127371 U JP S59127371U JP 2113983 U JP2113983 U JP 2113983U JP 2113983 U JP2113983 U JP 2113983U JP S59127371 U JPS59127371 U JP S59127371U
Authority
JP
Japan
Prior art keywords
converter
circuit
local oscillation
balanced modulation
oscillation circuit
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
JP2113983U
Other languages
Japanese (ja)
Other versions
JPH0145174Y2 (en
Inventor
中野　昌典
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 JP2113983U priority Critical patent/JPS59127371U/en
Publication of JPS59127371U publication Critical patent/JPS59127371U/en
Application granted granted Critical
Publication of JPH0145174Y2 publication Critical patent/JPH0145174Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (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。(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図は従来のＲＦコンバーターの一部分の回路図、第
２図はＲＦコンバーター出力におけるスペクトル図、第
３図は本考案−実施例におけるＲＦコンバーターの一部
分の回路図、第４図、第５図は従来例と本考案とでイン
ダクタンスＬｌ。 Ｌ２間の距離を変化させた場合の夫々混変調ビート成分
、バズレベルの変化を表わす特性図である。 主な図番の説明、９・・・平衡変調回路、１０・−・局
部発振回路、Ｔ・・・結合トランス、Ｃ４・・・コンデ
ンサ。Fig. 1 is a circuit diagram of a part of a conventional RF converter, Fig. 2 is a spectrum diagram at the RF converter output, Fig. 3 is a circuit diagram of a part of an RF converter according to the present invention-embodiment, Figs. is the inductance Ll of the conventional example and the present invention. FIG. 6 is a characteristic diagram showing changes in the cross-modulation beat component and buzz level when the distance between L2 is changed. Explanation of main figure numbers, 9...Balanced modulation circuit, 10...Local oscillation circuit, T...Coupling transformer, C4...Capacitor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 映像信号及び変調音声信号の供給される平衡変調回路と
、局部発振回路と、該局部発振回路の搬送波信号を前記
平衡変調回路へ供給する結合トランスとを備えるＲＦコ
ンバーターにおいて、前記結合トランスの局部発振回路
側巻線と並列にコンデンサを設ｄすることを特徴とする
ＲＦコンバータＯAn RF converter comprising a balanced modulation circuit to which a video signal and a modulated audio signal are supplied, a local oscillation circuit, and a coupling transformer that supplies a carrier signal of the local oscillation circuit to the balanced modulation circuit. RF converter O characterized by installing a capacitor in parallel with the circuit side winding
JP2113983U 1983-02-15 1983-02-15 RF converter Granted JPS59127371U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2113983U JPS59127371U (en) 1983-02-15 1983-02-15 RF converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2113983U JPS59127371U (en) 1983-02-15 1983-02-15 RF converter

Publications (2)

Publication Number Publication Date
JPS59127371U true JPS59127371U (en) 1984-08-27
JPH0145174Y2 JPH0145174Y2 (en) 1989-12-27

Family

ID=30152268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2113983U Granted JPS59127371U (en) 1983-02-15 1983-02-15 RF converter

Country Status (1)

Country Link
JP (1) JPS59127371U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968616A (en) * 1972-08-31 1974-07-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4968616A (en) * 1972-08-31 1974-07-03

Also Published As

Publication number Publication date
JPH0145174Y2 (en) 1989-12-27

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