JPS5854144U - antenna attenuator circuit - Google Patents

antenna attenuator circuit

Info

Publication number
JPS5854144U
JPS5854144U JP14981681U JP14981681U JPS5854144U JP S5854144 U JPS5854144 U JP S5854144U JP 14981681 U JP14981681 U JP 14981681U JP 14981681 U JP14981681 U JP 14981681U JP S5854144 U JPS5854144 U JP S5854144U
Authority
JP
Japan
Prior art keywords
attenuator
attenuator circuit
antenna
switch
signal line
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
JP14981681U
Other languages
Japanese (ja)
Other versions
JPS6316186Y2 (en
Inventor
稲田　光治
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP14981681U priority Critical patent/JPS5854144U/en
Publication of JPS5854144U publication Critical patent/JPS5854144U/en
Application granted granted Critical
Publication of JPS6316186Y2 publication Critical patent/JPS6316186Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Details Of Aerials (AREA)
  • Circuits Of Receivers In General (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]

第１図はこの考案の一例の接続図、第２図はそ、の説明
のための図である。 １はアンテナ同調回路、７はＡＧＣ電圧形成回路である
。FIG. 1 is a connection diagram of an example of this invention, and FIG. 2 is an explanatory diagram thereof. 1 is an antenna tuning circuit, and 7 is an AGC voltage forming circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ロッドアンテナと、外部アンテナ端子と、初段のトラン
ジスタ（ＦＥＴを含む）と、上記ロッドアンテナの受信
信号を上記トランジスタに供給する信号ラインと、上記
外部アンテナと上記信号ラインとの間に設けられて上記
外部アンテナ端子からの受信信号を減衰させるための第
１のアッテネータと、この第１のアッテネータをオンオ
フする第１のスイッチと、上記信号ラインに設けられて
この信号ラインの受信信号を減衰させるための第２のア
ッテネータと、上記第１のスイッチに連動し、上記第２
のアッテネータをオンオフする第２のスイッチとを有す
るアンテナアッテネータ回路。a rod antenna, an external antenna terminal, a first-stage transistor (including an FET), a signal line that supplies a received signal of the rod antenna to the transistor, and a signal line that is provided between the external antenna and the signal line. a first attenuator for attenuating the received signal from the external antenna terminal; a first switch for turning on and off the first attenuator; a second attenuator, the second attenuator interlocking with the first switch;
and a second switch for turning on and off the attenuator.
JP14981681U 1981-10-08 1981-10-08 antenna attenuator circuit Granted JPS5854144U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14981681U JPS5854144U (en) 1981-10-08 1981-10-08 antenna attenuator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14981681U JPS5854144U (en) 1981-10-08 1981-10-08 antenna attenuator circuit

Publications (2)

Publication Number Publication Date
JPS5854144U true JPS5854144U (en) 1983-04-13
JPS6316186Y2 JPS6316186Y2 (en) 1988-05-09

Family

ID=29942572

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14981681U Granted JPS5854144U (en) 1981-10-08 1981-10-08 antenna attenuator circuit

Country Status (1)

Country Link
JP (1) JPS5854144U (en)

Also Published As

Publication number Publication date
JPS6316186Y2 (en) 1988-05-09

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