JPS61319U - Receiver automatic gain control circuit - Google Patents

Receiver automatic gain control circuit

Info

Publication number
JPS61319U
JPS61319U JP8341084U JP8341084U JPS61319U JP S61319 U JPS61319 U JP S61319U JP 8341084 U JP8341084 U JP 8341084U JP 8341084 U JP8341084 U JP 8341084U JP S61319 U JPS61319 U JP S61319U
Authority
JP
Japan
Prior art keywords
signal
gain control
control circuit
automatic gain
frequency amplifier
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
JP8341084U
Other languages
Japanese (ja)
Inventor
恒夫 酒井
Original Assignee
アルパイン株式会社
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 アルパイン株式会社 filed Critical アルパイン株式会社
Priority to JP8341084U priority Critical patent/JPS61319U/en
Publication of JPS61319U publication Critical patent/JPS61319U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (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、本考案の一実施例を示す自動利得制御回路の
ブロック図、第２図は、従来の自動利得制御回路のブロ
ック図、第３図ａ，’ ｂ， ｃは動作を説明するた
めの図である。 ３・・・高周波増幅器、４・・・同調器、５・・・混合
器、７，７・・・中間周波増幅器、９・・・ＡＧＣ回路
、１０・・・ＡＧＣドライブ回路、１１・・・反転器。Fig. 1 is a block diagram of an automatic gain control circuit showing an embodiment of the present invention, Fig. 2 is a block diagram of a conventional automatic gain control circuit, and Figs. 3a, 'b, and c explain the operation. This is a diagram for 3... High frequency amplifier, 4... Tuner, 5... Mixer, 7, 7... Intermediate frequency amplifier, 9... AGC circuit, 10... AGC drive circuit, 11... Inverter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 受信信号を増幅するための高周波増幅器と、該高周波増
幅器からの増幅出力と局部発振器からの局発信号とを混
合する混合器と、該混合器からの中間周波信号を増幅す
る中間周波増幅器と、前記混合器からの中間周波信号の
振幅に対応した直流信号を出力するＡＧＣ回路と、該Ａ
ＧＣ回路からの直流信号によって前記高周波増幅器と前
記中間周波増幅器とを制御するための信号を出力するＡ
ＧＣドライブ回路とから成ることを特徴とする受信機の
自動利得制御回路。a high frequency amplifier for amplifying a received signal, a mixer for mixing the amplified output from the high frequency amplifier and a local signal from a local oscillator, and an intermediate frequency amplifier for amplifying the intermediate frequency signal from the mixer; an AGC circuit that outputs a DC signal corresponding to the amplitude of the intermediate frequency signal from the mixer;
A that outputs a signal for controlling the high frequency amplifier and the intermediate frequency amplifier using a DC signal from a GC circuit;
An automatic gain control circuit for a receiver, comprising a GC drive circuit.
JP8341084U 1984-06-05 1984-06-05 Receiver automatic gain control circuit Pending JPS61319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8341084U JPS61319U (en) 1984-06-05 1984-06-05 Receiver automatic gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8341084U JPS61319U (en) 1984-06-05 1984-06-05 Receiver automatic gain control circuit

Publications (1)

Publication Number Publication Date
JPS61319U true JPS61319U (en) 1986-01-06

Family

ID=30632016

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8341084U Pending JPS61319U (en) 1984-06-05 1984-06-05 Receiver automatic gain control circuit

Country Status (1)

Country Link
JP (1) JPS61319U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245900U (en) * 1988-09-26 1990-03-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0245900U (en) * 1988-09-26 1990-03-29

Similar Documents

Publication Publication Date Title
JPS58127741U (en) Receiving machine
JPS61319U (en) Receiver automatic gain control circuit
JPS5840956U (en) FM receiver
JPS6137620U (en) radio receiver
JPS60139350U (en) high frequency receiver
JPS5837242U (en) receiving circuit
JPS5857141U (en) tuner mixing circuit
JPS59174748U (en) TV tuner circuit
JPS58155148U (en) AM Chuna
JPS58566U (en) automatic frequency control device
JPS5864135U (en) sweep receiver
JPS601057U (en) CATV converter
JPS6032860U (en) Amplifier with automatic gain control
JPS6140077U (en) Television receiver AGC device
JPS61140645U (en)
JPS59183049U (en) Television receiver AGC circuit
JPS60139352U (en) High frequency receiving circuit
JPS58184913U (en) AGC circuit for television
JPS58155140U (en) Receiving machine
JPS6253839U (en)
JPS6133548U (en) tone detection radio receiver
JPS5999520U (en) Audio signal mixing circuit
JPS6143796U (en) automatic braking device
JPS609323U (en) car radio receiver
JPS5967053U (en) Automatic frequency sweeping receiver