JPS619936U - radio receiver - Google Patents

radio receiver

Info

Publication number
JPS619936U
JPS619936U JP9398084U JP9398084U JPS619936U JP S619936 U JPS619936 U JP S619936U JP 9398084 U JP9398084 U JP 9398084U JP 9398084 U JP9398084 U JP 9398084U JP S619936 U JPS619936 U JP S619936U
Authority
JP
Japan
Prior art keywords
circuit
iagc
frequency amplification
amplification stage
radio receiver
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
JP9398084U
Other languages
Japanese (ja)
Inventor
静彦 西川
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 JP9398084U priority Critical patent/JPS619936U/en
Publication of JPS619936U publication Critical patent/JPS619936U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (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]

図は本考案の一実施例を示すものである。 ４・・・・・・入出力同調型高周波増幅段、１３・・・
・・・第ＩＡＧｃ回路、Ｔｒ２・・・・・・トランジス
タ（第２ＡＧＣ回路）。The figure shows an embodiment of the present invention. 4... Input/output tuned high frequency amplification stage, 13...
... 2nd IAGc circuit, Tr2... Transistor (2nd AGC circuit).

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）検波段からの出力に基づいて第ＩＡＧＣ電圧をす
くなくとも中間周波増幅段に印加するようになされた第
ＩＡＧｃ回路と、この第ＩＡＧｃ回路からの第ＩＡＧＢ
電圧により制御される第２ＡＧＣ回路と、この第２ＡＧ
Ｃ回路にて制御される入出力同調型高周波増幅段とを備
え、大入力時前記第２ＡＧＣ回路にて前記高周波増幅段
の利得を低下させるようにしたことを特徴とするラジオ
受信機。(1) A first IAGc circuit configured to apply a first IAGC voltage to at least an intermediate frequency amplification stage based on the output from the detection stage, and a third IAGB voltage from this first IAGc circuit.
A second AGC circuit controlled by voltage, and this second AGC circuit.
1. A radio receiver comprising an input/output tuned high frequency amplification stage controlled by a C circuit, wherein the gain of the high frequency amplification stage is reduced by the second AGC circuit when a large input is received. （２）第２ＡＧ Ｃ回路は、コレクタが入出力同調型高
周波増幅段を構成するトランジスタのベース回路に、ベ
ースが第ＩＡＧｃ回路に、エミッタがアースに夫々接続
されたトランジスタである実用新案登録請求の範囲第（
１）項記載のラジオ受信機。(2) The 2nd AGC circuit is a transistor whose collector is connected to the base circuit of a transistor constituting an input/output tuned high-frequency amplification stage, whose base is connected to the 2nd IAGc circuit, and whose emitter is connected to ground. Range number (
The radio receiver described in item 1).
JP9398084U 1984-06-22 1984-06-22 radio receiver Pending JPS619936U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9398084U JPS619936U (en) 1984-06-22 1984-06-22 radio receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9398084U JPS619936U (en) 1984-06-22 1984-06-22 radio receiver

Publications (1)

Publication Number Publication Date
JPS619936U true JPS619936U (en) 1986-01-21

Family

ID=30652135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9398084U Pending JPS619936U (en) 1984-06-22 1984-06-22 radio receiver

Country Status (1)

Country Link
JP (1) JPS619936U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178111A (en) * 1974-12-27 1976-07-07 Saibanetsuto Kogyo Kk
JPS56149808A (en) * 1980-04-22 1981-11-19 Sharp Corp Automatic gain controller of receiver

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178111A (en) * 1974-12-27 1976-07-07 Saibanetsuto Kogyo Kk
JPS56149808A (en) * 1980-04-22 1981-11-19 Sharp Corp Automatic gain controller of receiver

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