JPS5840956U - FM receiver - Google Patents

FM receiver

Info

Publication number
JPS5840956U
JPS5840956U JP13609681U JP13609681U JPS5840956U JP S5840956 U JPS5840956 U JP S5840956U JP 13609681 U JP13609681 U JP 13609681U JP 13609681 U JP13609681 U JP 13609681U JP S5840956 U JPS5840956 U JP S5840956U
Authority
JP
Japan
Prior art keywords
circuit
detection
frequency signal
local oscillation
intermediate frequency
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
JP13609681U
Other languages
Japanese (ja)
Inventor
登山　徹也
Original Assignee
オンキヨー株式会社
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 オンキヨー株式会社 filed Critical オンキヨー株式会社
Priority to JP13609681U priority Critical patent/JPS5840956U/en
Publication of JPS5840956U publication Critical patent/JPS5840956U/en
Pending legal-status Critical Current

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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 drawings]

第１図は従来のＦＭ受信機の構成を示す図、第２図は本
考案のＦＭ受信機の構成を示す図である。 ２は局部発振回路、３は混合回路、４は中間周波増幅回
路、５はＦＭ検波回路である。FIG. 1 is a diagram showing the configuration of a conventional FM receiver, and FIG. 2 is a diagram showing the configuration of the FM receiver of the present invention. 2 is a local oscillation circuit, 3 is a mixing circuit, 4 is an intermediate frequency amplification circuit, and 5 is an FM detection circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＦＭ高周波信号と局部発振回路２の出力信号を混合回路
３に入力して上記ＦＭ高周波信号を所定の中間周波信号
に周波数変換し、当該中間周波信号を中間周波増幅回路
４によって増幅した後、ＦＭ検波回路５によって検波す
るようにした構成において、上記ＦＭ検波回路５のＦＭ
検波出力を上記局部発振回路２に逆位相でフィードバッ
クして周波数変調負帰還を行ない、かつ、上記局部発振
回路２の周波数変調歪を上記ＦＭ検波回路５の検波歪よ
り小さくしたことを特徴とするＦＭ受信機。The FM high frequency signal and the output signal of the local oscillation circuit 2 are input to a mixing circuit 3, the frequency of the FM high frequency signal is converted into a predetermined intermediate frequency signal, and the intermediate frequency signal is amplified by the intermediate frequency amplification circuit 4. In the configuration in which the detection circuit 5 detects the waves, the FM of the FM detection circuit 5
The detection output is fed back to the local oscillation circuit 2 in an opposite phase to perform frequency modulation negative feedback, and the frequency modulation distortion of the local oscillation circuit 2 is made smaller than the detection distortion of the FM detection circuit 5. FM receiver.
JP13609681U 1981-09-11 1981-09-11 FM receiver Pending JPS5840956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13609681U JPS5840956U (en) 1981-09-11 1981-09-11 FM receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13609681U JPS5840956U (en) 1981-09-11 1981-09-11 FM receiver

Publications (1)

Publication Number Publication Date
JPS5840956U true JPS5840956U (en) 1983-03-17

Family

ID=29929436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13609681U Pending JPS5840956U (en) 1981-09-11 1981-09-11 FM receiver

Country Status (1)

Country Link
JP (1) JPS5840956U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6172418A (en) * 1984-09-17 1986-04-14 Alps Electric Co Ltd Receiver for satellite broadcast

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545277A (en) * 1978-09-27 1980-03-29 Aiwa Co Ltd Automatic tuning circuit for fm tuner

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545277A (en) * 1978-09-27 1980-03-29 Aiwa Co Ltd Automatic tuning circuit for fm tuner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6172418A (en) * 1984-09-17 1986-04-14 Alps Electric Co Ltd Receiver for satellite broadcast

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