JPH01159436U - - Google Patents

Info

Publication number
JPH01159436U
JPH01159436U JP5569688U JP5569688U JPH01159436U JP H01159436 U JPH01159436 U JP H01159436U JP 5569688 U JP5569688 U JP 5569688U JP 5569688 U JP5569688 U JP 5569688U JP H01159436 U JPH01159436 U JP H01159436U
Authority
JP
Japan
Prior art keywords
intermediate frequency
frequency
adjacent interfering
station
interfering station
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
JP5569688U
Other languages
English (en)
Other versions
JPH0646106Y2 (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 JP1988055696U priority Critical patent/JPH0646106Y2/ja
Publication of JPH01159436U publication Critical patent/JPH01159436U/ja
Application granted granted Critical
Publication of JPH0646106Y2 publication Critical patent/JPH0646106Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)

Description

【図面の簡単な説明】
第1図は本考案の概略構成を示すFM/AMラ
ジオ受信機の要部ブロツク図、第2図は第1図に
示したFM/AMラジオ受信機の詳細図、第3図
は各部の通過帯域特性図、第4図は本考案に使用
されるAM局部発振周波数を示す図。 1…FM受信部、2…AM受信部、3…レベル
検出器、4…制御部、5…IFフイルタ、6…周
波数変換方式切換手段。

Claims (1)

  1. 【実用新案登録請求の範囲】 AM受信部を使用してFM受信時の隣接妨害局
    のレベルをチエツクし、この隣接妨害局のレベル
    に応じてFM中間周波数の通過帯域を切り換える
    FM/AMラジオ受信機において、 前記AM受信部の周波数変換方式を下側または
    上側ヘテロダイン方式に切り換える周波数変換方
    式切換手段を備え、 チエツク対象となる隣接妨害局のFM中間周波
    数が希望局のFM中間周波数の上側に位置する場
    合は下側ヘテロダイン方式によりAM受信部の周
    波数変換を行い、 チエツク対象となる隣接妨害局のFM中間周波
    数が希望局のFM中間周波数の上側に位置する場
    合は上側ヘテロダイン方式によりAM受信部の周
    波数変換を行うことを特徴とするFM/AMラジ
    オ受信機。
JP1988055696U 1988-04-25 1988-04-25 Fm/amラジオ受信機 Expired - Lifetime JPH0646106Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988055696U JPH0646106Y2 (ja) 1988-04-25 1988-04-25 Fm/amラジオ受信機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988055696U JPH0646106Y2 (ja) 1988-04-25 1988-04-25 Fm/amラジオ受信機

Publications (2)

Publication Number Publication Date
JPH01159436U true JPH01159436U (ja) 1989-11-06
JPH0646106Y2 JPH0646106Y2 (ja) 1994-11-24

Family

ID=31281600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988055696U Expired - Lifetime JPH0646106Y2 (ja) 1988-04-25 1988-04-25 Fm/amラジオ受信機

Country Status (1)

Country Link
JP (1) JPH0646106Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03285426A (ja) * 1990-03-30 1991-12-16 Kenwood Corp 無線通信機
JPH04265021A (ja) * 1991-02-20 1992-09-21 Kenwood Corp Fm受信機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512536U (ja) * 1978-07-11 1980-01-26
JPS60180149U (ja) * 1984-05-10 1985-11-29 アルパイン株式会社 ラジオ受信機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512536U (ja) * 1978-07-11 1980-01-26
JPS60180149U (ja) * 1984-05-10 1985-11-29 アルパイン株式会社 ラジオ受信機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03285426A (ja) * 1990-03-30 1991-12-16 Kenwood Corp 無線通信機
JPH04265021A (ja) * 1991-02-20 1992-09-21 Kenwood Corp Fm受信機

Also Published As

Publication number Publication date
JPH0646106Y2 (ja) 1994-11-24

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