JPS57155866A - Demodulation circuit for intermediate frequency signal - Google Patents

Demodulation circuit for intermediate frequency signal

Info

Publication number
JPS57155866A
JPS57155866A JP56041937A JP4193781A JPS57155866A JP S57155866 A JPS57155866 A JP S57155866A JP 56041937 A JP56041937 A JP 56041937A JP 4193781 A JP4193781 A JP 4193781A JP S57155866 A JPS57155866 A JP S57155866A
Authority
JP
Japan
Prior art keywords
carrier wave
frequency
band pass
inputted
pass 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.)
Granted
Application number
JP56041937A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6338140B2 (enrdf_load_stackoverflow
Inventor
Osamu Ichiyoshi
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
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 true JPS57155866A (en) 1982-09-27
JPS6338140B2 JPS6338140B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107559A (ja) * 1985-11-02 1987-05-18 Nec Corp 位相同期搬送波再生回路
JP2007005931A (ja) * 2005-06-21 2007-01-11 Mitsubishi Electric Corp クロック再生回路およびクロック再生方法

Families Citing this family (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107559A (ja) * 1985-11-02 1987-05-18 Nec Corp 位相同期搬送波再生回路
JP2007005931A (ja) * 2005-06-21 2007-01-11 Mitsubishi Electric Corp クロック再生回路およびクロック再生方法

Also Published As

Publication number Publication date
JPS6338140B2 (enrdf_load_stackoverflow) 1988-07-28

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