JPS60121317U - FM demodulator - Google Patents

FM demodulator

Info

Publication number
JPS60121317U
JPS60121317U JP958084U JP958084U JPS60121317U JP S60121317 U JPS60121317 U JP S60121317U JP 958084 U JP958084 U JP 958084U JP 958084 U JP958084 U JP 958084U JP S60121317 U JPS60121317 U JP S60121317U
Authority
JP
Japan
Prior art keywords
supplied
reference pulse
demodulator
phase
converter
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
JP958084U
Other languages
Japanese (ja)
Other versions
JPH0210659Y2 (en
Inventor
岸本　卓郎
和則 久保
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP958084U priority Critical patent/JPS60121317U/en
Publication of JPS60121317U publication Critical patent/JPS60121317U/en
Application granted granted Critical
Publication of JPH0210659Y2 publication Critical patent/JPH0210659Y2/ja
Granted legal-status Critical Current

Links

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図及び第２図は従来のＦＭ復調器のブロック図及び
タイムチャート、第３図は本考案によるＦＭ復調器の一
実施例を示すブロック図、第４図乃至第６図は本考案の
説明に供するタイムチャートである。 ４は単家定マルチパイブレー、夕、１１は多相分周器、
１２．．１２□・・・１２ｎは基準パルス発生器である
。 第３図 第５図1 and 2 are block diagrams and time charts of a conventional FM demodulator, FIG. 3 is a block diagram showing an embodiment of an FM demodulator according to the present invention, and FIGS. 4 to 6 are a block diagram and a time chart of a conventional FM demodulator. This is a time chart for explanation. 4 is a single-family fixed multi-channel frequency divider, 11 is a polyphase frequency divider,
12. ．． 12□...12n are reference pulse generators. Figure 3 Figure 5

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力ＦＭ信号を周波数逓降すると共に複数相の出力を得
る循環型多相周波数逓降器と、該多相周波数逓降器の複
数相の出力がそれぞれ供給されて互いに等しい一定時間
幅の基準パルスを発生する複数の基準パルス発生器と、
該複数の基準パルス発生器からの基準パルスが供給され
るアンド回路と、該アンド回路の出力が供給されて上記
入力ＦＭ信号の復調出力が得られる低域フィルタとを具
備することを特徴とするＦＭ復調器。A circulating multi-phase frequency down-converter that frequency-downloads an input FM signal and obtains a plurality of phase outputs, and a reference pulse having a constant time width that is equal to each other and supplied with the multiple-phase outputs of the multi-phase frequency down-converter. a plurality of reference pulse generators that generate
The present invention is characterized by comprising an AND circuit to which reference pulses from the plurality of reference pulse generators are supplied, and a low-pass filter to which the output of the AND circuit is supplied to obtain a demodulated output of the input FM signal. FM demodulator.
JP958084U 1984-01-26 1984-01-26 FM demodulator Granted JPS60121317U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP958084U JPS60121317U (en) 1984-01-26 1984-01-26 FM demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP958084U JPS60121317U (en) 1984-01-26 1984-01-26 FM demodulator

Publications (2)

Publication Number Publication Date
JPS60121317U true JPS60121317U (en) 1985-08-16
JPH0210659Y2 JPH0210659Y2 (en) 1990-03-16

Family

ID=30489934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP958084U Granted JPS60121317U (en) 1984-01-26 1984-01-26 FM demodulator

Country Status (1)

Country Link
JP (1) JPS60121317U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137307A (en) * 1982-02-10 1983-08-15 Hitachi Ltd Pulse counting fm detecting circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137307A (en) * 1982-02-10 1983-08-15 Hitachi Ltd Pulse counting fm detecting circuit

Also Published As

Publication number Publication date
JPH0210659Y2 (en) 1990-03-16

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