JPS6454432U - - Google Patents

Info

Publication number
JPS6454432U
JPS6454432U JP14948687U JP14948687U JPS6454432U JP S6454432 U JPS6454432 U JP S6454432U JP 14948687 U JP14948687 U JP 14948687U JP 14948687 U JP14948687 U JP 14948687U JP S6454432 U JPS6454432 U JP S6454432U
Authority
JP
Japan
Prior art keywords
electric field
noise component
circuit
attenuator
detection circuit
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
JP14948687U
Other languages
English (en)
Other versions
JPH0354443Y2 (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 JP14948687U priority Critical patent/JPH0354443Y2/ja
Publication of JPS6454432U publication Critical patent/JPS6454432U/ja
Application granted granted Critical
Publication of JPH0354443Y2 publication Critical patent/JPH0354443Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Control Of Amplification And Gain Control (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例に係るFMチユー
ナのブロツク図、第2図は第1図中のアツテネー
タ回路の変形例を示す回路図、第3図は従来のF
Mチユーナのフロントエンドを示す回路図である
。 32……アツテネータ回路、34……フロント
エンド、36……IF増幅回路、38……FM検
波回路、40……ノイズ検出回路、44……アツ
テネータ制御回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 アンテナ入力を、必要により減衰させてフロン
    トエンドへ出力するアツテネータ回路と、 受信電界強度を検出する電界強度検出回路と、 FM検波信号中のノイズ成分を検出するノイズ
    成分検出回路と、 電界強度検出回路が強電界を検出しており、ノ
    イズ成分検出回路がノイズ成分を検出していると
    き、前記アツテネータ回路を制御し、アンテナ入
    力を減衰させてフロントエンド側に出力させるア
    ツテネータ制御回路と、 を含むことを特徴とするFM受信機のアツテネー
    タ装置。
JP14948687U 1987-09-30 1987-09-30 Expired JPH0354443Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14948687U JPH0354443Y2 (ja) 1987-09-30 1987-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14948687U JPH0354443Y2 (ja) 1987-09-30 1987-09-30

Publications (2)

Publication Number Publication Date
JPS6454432U true JPS6454432U (ja) 1989-04-04
JPH0354443Y2 JPH0354443Y2 (ja) 1991-12-02

Family

ID=31421757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14948687U Expired JPH0354443Y2 (ja) 1987-09-30 1987-09-30

Country Status (1)

Country Link
JP (1) JPH0354443Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006106816A1 (ja) * 2005-03-31 2006-10-12 Pioneer Corporation 信号減衰回路
JP2011211731A (ja) * 1994-12-16 2011-10-20 Qualcomm Inc 受信器の干渉イミュニティを向上させる方法および装置
JP2016005009A (ja) * 2014-06-13 2016-01-12 株式会社デンソー 受信装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4514801B2 (ja) 2008-01-22 2010-07-28 シャープ株式会社 放送受信装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011211731A (ja) * 1994-12-16 2011-10-20 Qualcomm Inc 受信器の干渉イミュニティを向上させる方法および装置
WO2006106816A1 (ja) * 2005-03-31 2006-10-12 Pioneer Corporation 信号減衰回路
JP2016005009A (ja) * 2014-06-13 2016-01-12 株式会社デンソー 受信装置

Also Published As

Publication number Publication date
JPH0354443Y2 (ja) 1991-12-02

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