JPS6140025U - CATV amplifier gain adjustment device - Google Patents

CATV amplifier gain adjustment device

Info

Publication number
JPS6140025U
JPS6140025U JP12505484U JP12505484U JPS6140025U JP S6140025 U JPS6140025 U JP S6140025U JP 12505484 U JP12505484 U JP 12505484U JP 12505484 U JP12505484 U JP 12505484U JP S6140025 U JPS6140025 U JP S6140025U
Authority
JP
Japan
Prior art keywords
circuit
power supply
gain adjustment
variable frequency
adjustment device
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
JP12505484U
Other languages
Japanese (ja)
Other versions
JPH0339930Y2 (en
Inventor
元治 満瀬
Original Assignee
ホーチキ株式会社
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 ホーチキ株式会社 filed Critical ホーチキ株式会社
Priority to JP12505484U priority Critical patent/JPS6140025U/en
Publication of JPS6140025U publication Critical patent/JPS6140025U/en
Application granted granted Critical
Publication of JPH0339930Y2 publication Critical patent/JPH0339930Y2/ja
Granted legal-status Critical Current

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  • Control Of Amplification And Gain Control (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 drawings]

第１図は本考案の一実施例を示した回路ブロック図、第
２図は本考案の他の実施例を示した回路ブロック図であ
る。 １：ｃＡＴＶ増幅器、２：入力端子、３：出力端子、４
：ＣＡＴＶ用電源供給器、５：交流電源回路、６：制
御信号発生回路、７：電源供給用同軸ケーブル、８：Ｆ
／Ｖ：ｌンパータ、９ａ，９ｂ：増幅回路、１０：利得
調整回路、１１：直流電源回路、１２：アンテナ、１３
：ヘッドエンド、１５：受信増幅器。FIG. 1 is a circuit block diagram showing one embodiment of the present invention, and FIG. 2 is a circuit block diagram showing another embodiment of the present invention. 1: cATV amplifier, 2: input terminal, 3: output terminal, 4
: CATV power supply, 5: AC power supply circuit, 6: Control signal generation circuit, 7: Power supply coaxial cable, 8: F
/V:l amplifier, 9a, 9b: amplifier circuit, 10: gain adjustment circuit, 11: DC power supply circuit, 12: antenna, 13
: head end, 15: receiving amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テレビ信号を増幅出力する増幅回路と、該増幅回路の増
幅利得を調整する利得調整回路と、前記増幅回路の直流
電源回路に電源供給線を介して交流電源を供給する電源
供給器と、該電源供給器側に設けられ可変周波数信号を
前記電源供給線を介して増幅回路側へ供給する可変周波
数発生回路と、該可変周波数発生回路から送出された可
変周波数信号の周波数に対応した電圧制御信号に変換し
て前記利得調整回路による増幅利得を制御するＦ／Ｖコ
ンバータとを備えたことを特徴とするＣＡＴＶ増幅器の
利得調整装置。An amplifier circuit that amplifies and outputs a television signal, a gain adjustment circuit that adjusts the amplification gain of the amplifier circuit, a power supply that supplies AC power to a DC power supply circuit of the amplifier circuit via a power supply line, and the power supply. A variable frequency generation circuit provided on the supply side and supplying the variable frequency signal to the amplifier circuit side via the power supply line, and a voltage control signal corresponding to the frequency of the variable frequency signal sent from the variable frequency generation circuit. A gain adjustment device for a CATV amplifier, comprising: an F/V converter that converts and controls the amplification gain of the gain adjustment circuit.
JP12505484U 1984-08-17 1984-08-17 CATV amplifier gain adjustment device Granted JPS6140025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12505484U JPS6140025U (en) 1984-08-17 1984-08-17 CATV amplifier gain adjustment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12505484U JPS6140025U (en) 1984-08-17 1984-08-17 CATV amplifier gain adjustment device

Publications (2)

Publication Number Publication Date
JPS6140025U true JPS6140025U (en) 1986-03-13
JPH0339930Y2 JPH0339930Y2 (en) 1991-08-22

Family

ID=30683739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12505484U Granted JPS6140025U (en) 1984-08-17 1984-08-17 CATV amplifier gain adjustment device

Country Status (1)

Country Link
JP (1) JPS6140025U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587019U (en) * 1978-12-11 1980-06-16
JPS55137710A (en) * 1979-04-16 1980-10-27 Maspro Denkoh Corp Television signal amplifier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5587019U (en) * 1978-12-11 1980-06-16
JPS55137710A (en) * 1979-04-16 1980-10-27 Maspro Denkoh Corp Television signal amplifier

Also Published As

Publication number Publication date
JPH0339930Y2 (en) 1991-08-22

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