JPH0229263B2 - - Google Patents

Info

Publication number
JPH0229263B2
JPH0229263B2 JP59052744A JP5274484A JPH0229263B2 JP H0229263 B2 JPH0229263 B2 JP H0229263B2 JP 59052744 A JP59052744 A JP 59052744A JP 5274484 A JP5274484 A JP 5274484A JP H0229263 B2 JPH0229263 B2 JP H0229263B2
Authority
JP
Japan
Prior art keywords
signal
phase detector
input terminal
double
phase
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 - Lifetime
Application number
JP59052744A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60196049A (ja
Inventor
Yukinobu Ishigaki
Kazutoshi Hirohashi
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP59052744A priority Critical patent/JPS60196049A/ja
Priority to EP19850102752 priority patent/EP0154963B1/en
Priority to DE8585102752T priority patent/DE3585332D1/de
Priority to US06/757,847 priority patent/US4614910A/en
Publication of JPS60196049A publication Critical patent/JPS60196049A/ja
Publication of JPH0229263B2 publication Critical patent/JPH0229263B2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops
    • H04L2027/0048—Frequency multiplication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0071—Control of loops
    • H04L2027/0073—Detection of synchronisation state

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP59052744A 1984-03-12 1984-03-19 搬送波再生回路 Granted JPS60196049A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59052744A JPS60196049A (ja) 1984-03-19 1984-03-19 搬送波再生回路
EP19850102752 EP0154963B1 (en) 1984-03-12 1985-03-11 Quarternary differential psk demodulator
DE8585102752T DE3585332D1 (de) 1984-03-12 1985-03-11 Demodulator fuer vierphasendifferenzmodulierte signale.
US06/757,847 US4614910A (en) 1984-03-12 1985-07-22 Quarternary differential PSK demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59052744A JPS60196049A (ja) 1984-03-19 1984-03-19 搬送波再生回路

Publications (2)

Publication Number Publication Date
JPS60196049A JPS60196049A (ja) 1985-10-04
JPH0229263B2 true JPH0229263B2 (enrdf_load_stackoverflow) 1990-06-28

Family

ID=12923427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59052744A Granted JPS60196049A (ja) 1984-03-12 1984-03-19 搬送波再生回路

Country Status (1)

Country Link
JP (1) JPS60196049A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60196049A (ja) 1985-10-04

Similar Documents

Publication Publication Date Title
US5926065A (en) Digital modulator having a digital filter including low-speed circuit components
JPS60117946A (ja) 搬送波再生回路
JP2579243B2 (ja) 復調装置
WO1997020417A1 (fr) Demodulateur numerique
JP2964573B2 (ja) コスタスループ搬送波再生回路
JP2931454B2 (ja) ディジタル位相変調信号復調回路
JPH0229263B2 (enrdf_load_stackoverflow)
JPH0229262B2 (enrdf_load_stackoverflow)
US7457375B2 (en) Timing extractor, timing extraction method, and demodulator having the timing extractor
JPH06237277A (ja) Ｐｓｋ搬送波信号再生装置
US4134075A (en) Amplitude-and-phase demodulator comprising a quantization circuit
JPS6330049A (ja) Ｍｓｋ復調回路
JP3669799B2 (ja) 差動位相変調方式の受信装置
JPS61224763A (ja) ４相ｄｐｓｋ波の復調回路
JP2696948B2 (ja) 搬送波再生回路
EP0534180B1 (en) MSK signal demodulating circuit
JP3356643B2 (ja) Ｆｓｋ受信機
JPS6130849A (ja) 時分割多重信号中の４相ｄｐｓｋ波の復調回路
JP3399059B2 (ja) 切換え型復調回路
JPH0467382B2 (enrdf_load_stackoverflow)
JPS62118660A (ja) 搬送波再生回路
JP2523750B2 (ja) キャリア再生回路
JPH0479183B2 (enrdf_load_stackoverflow)
JPS60189354A (ja) 通信方式
JP2000196685A (ja) 周波数偏移変調信号用の直接変換受信機