JPS6338140B2 - - Google Patents

Info

Publication number
JPS6338140B2
JPS6338140B2 JP56041937A JP4193781A JPS6338140B2 JP S6338140 B2 JPS6338140 B2 JP S6338140B2 JP 56041937 A JP56041937 A JP 56041937A JP 4193781 A JP4193781 A JP 4193781A JP S6338140 B2 JPS6338140 B2 JP S6338140B2
Authority
JP
Japan
Prior art keywords
signal
intermediate frequency
frequency
circuit
carrier wave
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.)
Expired
Application number
JP56041937A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57155866A (en
Inventor
Osamu Ichoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP56041937A priority Critical patent/JPS57155866A/ja
Publication of JPS57155866A publication Critical patent/JPS57155866A/ja
Publication of JPS6338140B2 publication Critical patent/JPS6338140B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP56041937A 1981-03-23 1981-03-23 Demodulation circuit for intermediate frequency signal Granted JPS57155866A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56041937A JPS57155866A (en) 1981-03-23 1981-03-23 Demodulation circuit for intermediate frequency signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56041937A JPS57155866A (en) 1981-03-23 1981-03-23 Demodulation circuit for intermediate frequency signal

Publications (2)

Publication Number Publication Date
JPS57155866A JPS57155866A (en) 1982-09-27
JPS6338140B2 true JPS6338140B2 (US08088918-20120103-C00476.png) 1988-07-28

Family

ID=12622128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56041937A Granted JPS57155866A (en) 1981-03-23 1981-03-23 Demodulation circuit for intermediate frequency signal

Country Status (1)

Country Link
JP (1) JPS57155866A (US08088918-20120103-C00476.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102590687B1 (ko) * 2023-04-12 2023-10-19 민훈기 레일고정구조체

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795757B2 (ja) * 1985-11-02 1995-10-11 日本電気株式会社 位相同期搬送波再生回路
JP4602170B2 (ja) * 2005-06-21 2010-12-22 三菱電機株式会社 クロック再生回路およびクロック再生方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102590687B1 (ko) * 2023-04-12 2023-10-19 민훈기 레일고정구조체

Also Published As

Publication number Publication date
JPS57155866A (en) 1982-09-27

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