JPS6316765U - - Google Patents

Info

Publication number
JPS6316765U
JPS6316765U JP11033586U JP11033586U JPS6316765U JP S6316765 U JPS6316765 U JP S6316765U JP 11033586 U JP11033586 U JP 11033586U JP 11033586 U JP11033586 U JP 11033586U JP S6316765 U JPS6316765 U JP S6316765U
Authority
JP
Japan
Prior art keywords
modulator
modulation
bias voltage
variable resistor
variable
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
JP11033586U
Other languages
English (en)
Other versions
JPH0514615Y2 (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 JP1986110335U priority Critical patent/JPH0514615Y2/ja
Publication of JPS6316765U publication Critical patent/JPS6316765U/ja
Application granted granted Critical
Publication of JPH0514615Y2 publication Critical patent/JPH0514615Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は、本考案のＲＦモジユレータの一実施
例の要部回路図であり、第２図は、本考案のＲＦ
モジユレータの他の実施例の要部回路図であり、
第３図は、ＰＡＬ方式とＳＥＣＡＭ方式を選択で
きるＲＦモジユレータの第１の従来例の要部回路
図であり、第４図は、ＲＦモジユレータの映像変
調器のバイアス電圧対変調度特性を示す図であり
、第５図は、ＰＡＬ方式とＳＥＣＡＭ方式を選択
できるＲＦモジユレータの第２従来例の要部回路
図である。 １，１１，２１：スイツチ、２２：電源、３，
４，１３，１４，２３，２４：可変抵抗器、３ａ
，４ａ，１３ａ，１４ａ，２３ａ，２４ａ：摺動
端子、７：映像変調器、７ａ：バイアス電圧入力
端子。

Claims (1)

    【実用新案登録請求の範囲】
  1. バイアス電圧の調整によつて、被変調波出力の
    変調度が正変調および負変調の範囲で調整できる
    映像変調器を備えたＲＦモジユレータにおいて、
    電源と接地間に２個の可変抵抗器を直列に介装し
    、一方の可変抵抗器に並列にスイツチを接続し、
    この一方の可変抵抗器の一端と摺動端子を接続し
    、他方の可変抵抗器の摺動端子を前記映像変調器
    のバイアス電圧入力端子に接続したことを特徴と
    するＲＦモジユレータ。
JP1986110335U 1986-07-18 1986-07-18 Expired - Lifetime JPH0514615Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986110335U JPH0514615Y2 (ja) 1986-07-18 1986-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986110335U JPH0514615Y2 (ja) 1986-07-18 1986-07-18

Publications (2)

Publication Number Publication Date
JPS6316765U true JPS6316765U (ja) 1988-02-03
JPH0514615Y2 JPH0514615Y2 (ja) 1993-04-19

Family

ID=30989249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986110335U Expired - Lifetime JPH0514615Y2 (ja) 1986-07-18 1986-07-18

Country Status (1)

Country Link
JP (1) JPH0514615Y2 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588475A (en) * 1978-12-26 1980-07-04 Hitachi Ltd Rf modulator
JPS5588474A (en) * 1978-12-26 1980-07-04 Hitachi Ltd Rf modulator for both pal and secam
JPS5945702A (ja) * 1982-09-09 1984-03-14 Alps Electric Co Ltd 映像信号変調回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5588475A (en) * 1978-12-26 1980-07-04 Hitachi Ltd Rf modulator
JPS5588474A (en) * 1978-12-26 1980-07-04 Hitachi Ltd Rf modulator for both pal and secam
JPS5945702A (ja) * 1982-09-09 1984-03-14 Alps Electric Co Ltd 映像信号変調回路

Also Published As

Publication number Publication date
JPH0514615Y2 (ja) 1993-04-19

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