JPS59105741A - ８相位相復調器 - Google Patents

８相位相復調器

Info

Publication number
JPS59105741A
JPS59105741A JP21652482A JP21652482A JPS59105741A JP S59105741 A JPS59105741 A JP S59105741A JP 21652482 A JP21652482 A JP 21652482A JP 21652482 A JP21652482 A JP 21652482A JP S59105741 A JPS59105741 A JP S59105741A
Authority
JP
Japan
Prior art keywords
phase
output
circuit
signal
signals
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
JP21652482A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6366108B2 (enrdf_load_stackoverflow
Inventor
Toshihiko Ryu
龍　敏彦
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 JP21652482A priority Critical patent/JPS59105741A/ja
Priority to US06/531,787 priority patent/US4540948A/en
Priority to CA000436721A priority patent/CA1220531A/en
Priority to DE8383109074T priority patent/DE3379771D1/de
Priority to EP83109074A priority patent/EP0106163B1/en
Publication of JPS59105741A publication Critical patent/JPS59105741A/ja
Publication of JPS6366108B2 publication Critical patent/JPS6366108B2/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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP21652482A 1982-09-14 1982-12-09 ８相位相復調器 Granted JPS59105741A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP21652482A JPS59105741A (ja) 1982-12-09 1982-12-09 ８相位相復調器
US06/531,787 US4540948A (en) 1982-09-14 1983-09-13 8-Phase phase-shift keying demodulator
CA000436721A CA1220531A (en) 1982-09-14 1983-09-14 8-phase phase-shift keying demodulator
DE8383109074T DE3379771D1 (en) 1982-09-14 1983-09-14 8-phase phase-shift keying demodulator
EP83109074A EP0106163B1 (en) 1982-09-14 1983-09-14 8-phase phase-shift keying demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21652482A JPS59105741A (ja) 1982-12-09 1982-12-09 ８相位相復調器

Publications (2)

Publication Number Publication Date
JPS59105741A true JPS59105741A (ja) 1984-06-19
JPS6366108B2 JPS6366108B2 (enrdf_load_stackoverflow) 1988-12-19

Family

ID=16689775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21652482A Granted JPS59105741A (ja) 1982-09-14 1982-12-09 ８相位相復調器

Country Status (1)

Country Link
JP (1) JPS59105741A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01205631A (ja) * 1988-02-12 1989-08-18 Nec Corp 復調装置
WO1990016117A1 (fr) * 1989-06-13 1990-12-27 Fujitsu Limited Systeme d'elimination des deteriorations de signaux de circuits

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0457206U (enrdf_load_stackoverflow) * 1990-09-25 1992-05-15

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01205631A (ja) * 1988-02-12 1989-08-18 Nec Corp 復調装置
WO1990016117A1 (fr) * 1989-06-13 1990-12-27 Fujitsu Limited Systeme d'elimination des deteriorations de signaux de circuits
US5189684A (en) * 1989-06-13 1993-02-23 Fujitsu Limited Line signal deterioration removing systems

Also Published As

Publication number Publication date
JPS6366108B2 (enrdf_load_stackoverflow) 1988-12-19

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