JPS58161339U - Intermediate frequency circuit in FM tuner - Google Patents

Intermediate frequency circuit in FM tuner

Info

Publication number
JPS58161339U
JPS58161339U JP5636382U JP5636382U JPS58161339U JP S58161339 U JPS58161339 U JP S58161339U JP 5636382 U JP5636382 U JP 5636382U JP 5636382 U JP5636382 U JP 5636382U JP S58161339 U JPS58161339 U JP S58161339U
Authority
JP
Japan
Prior art keywords
intermediate frequency
frequency circuit
tuner
abstract
filter
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
JP5636382U
Other languages
Japanese (ja)
Inventor
横矢　正敏
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP5636382U priority Critical patent/JPS58161339U/en
Publication of JPS58161339U publication Critical patent/JPS58161339U/en
Pending legal-status Critical Current

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  • Amplifiers (AREA)
  • Noise Elimination (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) [Abstract] 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のブロック図、第２図は本考
案の一実施例の変形例を示すブロック図である。 １・・・フロントエンド、２・・・ＦＭ復調器、３およ
び４・・・フィルタ、５および６・・・増幅器、７およ
び８・・・スイッチ回路、９・・・妨害検出回路、１０
・・・駆動回路。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram showing a modification of the embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Front end, 2... FM demodulator, 3 and 4... Filter, 5 and 6... Amplifier, 7 and 8... Switch circuit, 9... Interference detection circuit, 10
...Drive circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＦＭチューナにおける中間周波回路において、フィルタ
を有する第１の中間周波回路と、フィルタを使用してい
ない第２の中間周波回路と、前記第１の中間周波回路と
前記第２の中間周波回路の何れかを選択する手段とを設
けてなること特徴とするＦＭチューナにおける中間周波
回路。In the intermediate frequency circuit in the FM tuner, a first intermediate frequency circuit having a filter, a second intermediate frequency circuit not using a filter, and either the first intermediate frequency circuit or the second intermediate frequency circuit. An intermediate frequency circuit in an FM tuner, characterized in that the intermediate frequency circuit is provided with means for selecting one of the following.
JP5636382U 1982-04-20 1982-04-20 Intermediate frequency circuit in FM tuner Pending JPS58161339U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5636382U JPS58161339U (en) 1982-04-20 1982-04-20 Intermediate frequency circuit in FM tuner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5636382U JPS58161339U (en) 1982-04-20 1982-04-20 Intermediate frequency circuit in FM tuner

Publications (1)

Publication Number Publication Date
JPS58161339U true JPS58161339U (en) 1983-10-27

Family

ID=30066893

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5636382U Pending JPS58161339U (en) 1982-04-20 1982-04-20 Intermediate frequency circuit in FM tuner

Country Status (1)

Country Link
JP (1) JPS58161339U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004578A1 (en) * 1986-01-25 1987-07-30 Fujitsu Ten Limited Noise-removing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004578A1 (en) * 1986-01-25 1987-07-30 Fujitsu Ten Limited Noise-removing device
EP0253902A1 (en) * 1986-01-25 1988-01-27 Fujitsu Ten, Ltd. Noise reduction apparatus and method
EP0253902B1 (en) * 1986-01-25 1994-03-23 Fujitsu Ten, Ltd. Noise reduction apparatus and method

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