JPS6338436U - - Google Patents

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Publication number
JPS6338436U
JPS6338436U JP13178486U JP13178486U JPS6338436U JP S6338436 U JPS6338436 U JP S6338436U JP 13178486 U JP13178486 U JP 13178486U JP 13178486 U JP13178486 U JP 13178486U JP S6338436 U JPS6338436 U JP S6338436U
Authority
JP
Japan
Prior art keywords
fsk
signal
demodulator
voltage
squelch
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
JP13178486U
Other languages
English (en)
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 JP13178486U priority Critical patent/JPS6338436U/ja
Publication of JPS6338436U publication Critical patent/JPS6338436U/ja
Pending legal-status Critical Current

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  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Description

【図面の簡単な説明】
第１図は本考案のＦＳＫ復調器の一実施例を示
す機能ブロツク図、第２図はＦＳＫ復調器の入力
信号を示す図、第３図は従来のＦＳＫ復調器を示
す機能ブロツク図である。 １……ＦＭ復調器、２……ＦＳＫ復調器、２１
……クロツク抽出回路、２２……スケルチ回路、
２３……データ再生回路、２４……フイルタ、２
５……増幅器。

Claims (1)

  1. 【実用新案登録請求の範囲】 ＦＭ復調器で復調したＦＳＫ信号をデイジタル
    データに復調するＦＳＫ復調器において、 前記ＦＳＫ信号を包絡線検波してクロツク信号
    を抽出するクロツク抽出回路と、予め所定の基準
    電圧を設定し前記クロツク信号の振幅電圧が基準
    電圧より下回つているときだけスケルチ信号を出
    力するスケルチ回路とを備えたことを特徴とする
    ＦＳＫ復調器。
JP13178486U 1986-08-27 1986-08-27 Pending JPS6338436U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13178486U JPS6338436U (ja) 1986-08-27 1986-08-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13178486U JPS6338436U (ja) 1986-08-27 1986-08-27

Publications (1)

Publication Number Publication Date
JPS6338436U true JPS6338436U (ja) 1988-03-12

Family

ID=31030556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13178486U Pending JPS6338436U (ja) 1986-08-27 1986-08-27

Country Status (1)

Country Link
JP (1) JPS6338436U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111358A (en) * 1980-02-06 1981-09-03 Matsushita Electric Ind Co Ltd Signal control circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111358A (en) * 1980-02-06 1981-09-03 Matsushita Electric Ind Co Ltd Signal control circuit

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