GB1341898A - Phase-synchronising circuits - Google Patents

Phase-synchronising circuits

Info

Publication number
GB1341898A
GB1341898A GB2730871*A GB2730871A GB1341898A GB 1341898 A GB1341898 A GB 1341898A GB 2730871 A GB2730871 A GB 2730871A GB 1341898 A GB1341898 A GB 1341898A
Authority
GB
United Kingdom
Prior art keywords
phase
signal
oscillator
comparator
output
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
GB2730871*A
Other languages
English (en)
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.)
Fujitsu Ltd
KDDI Corp
Original Assignee
Fujitsu Ltd
Kokusai Denshin Denwa KK
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 Fujitsu Ltd, Kokusai Denshin Denwa KK filed Critical Fujitsu Ltd
Publication of GB1341898A publication Critical patent/GB1341898A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • 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
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
GB2730871*A 1970-04-10 1971-04-19 Phase-synchronising circuits Expired GB1341898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45030548A JPS5136026B1 (en:Method) 1970-04-10 1970-04-10

Publications (1)

Publication Number Publication Date
GB1341898A true GB1341898A (en) 1973-12-25

Family

ID=12306835

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2730871*A Expired GB1341898A (en) 1970-04-10 1971-04-19 Phase-synchronising circuits

Country Status (5)

Country Link
US (1) US3716802A (en:Method)
JP (1) JPS5136026B1 (en:Method)
DE (1) DE2115398A1 (en:Method)
FR (1) FR2104741B1 (en:Method)
GB (1) GB1341898A (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219783A (en) * 1978-04-28 1980-08-26 British Communications Corporation, Ltd. Phase locked loop with rapid phase pull in
FR2491702A1 (fr) * 1980-10-08 1982-04-09 Jacques Veillard Perfectionnements aux circuits de recuperation de frequences porteuses et rythme dans les systemes de transmission
US4365211A (en) * 1980-10-31 1982-12-21 Westinghouse Electric Corp. Phase-locked loop with initialization loop
US4563650A (en) * 1984-01-13 1986-01-07 Westinghouse Electric Corp. Power line communication receiver with dual threshold signal interrogation capability
US4806934A (en) * 1987-04-20 1989-02-21 Raytheon Company Tracking circuit for following objects through antenna nulls
JPH01125024A (ja) * 1987-11-09 1989-05-17 Mitsubishi Electric Corp 位相比較器
NL8802868A (nl) * 1988-11-21 1990-06-18 Stichting Tech Wetenschapp Fasevergrendelde lus met lusversterking - en nulpuntscompensatie.
US5228138A (en) * 1991-01-23 1993-07-13 Massachusetts Institute Of Technology Synchronization of hardware oscillators in a mesh-connected parallel processor
US5353311A (en) * 1992-01-09 1994-10-04 Nec Corporation Radio transmitter
JP6939486B2 (ja) 2017-12-05 2021-09-22 株式会社ジェイテクト 能力評価システム
TWI796202B (zh) * 2022-04-14 2023-03-11 華碩電腦股份有限公司 供電倍相系統

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336534A (en) * 1965-02-08 1967-08-15 Hughes Aircraft Co Multi-phase detector and keyed-error detector phase-locked-loop
US3600700A (en) * 1968-06-12 1971-08-17 Nippon Electric Co Circuit for phase locking an oscillator to a signal modulated in n-phases
JPS4933541B1 (en:Method) * 1969-05-07 1974-09-07

Also Published As

Publication number Publication date
DE2115398A1 (de) 1971-10-21
FR2104741A1 (en:Method) 1972-04-21
US3716802A (en) 1973-02-13
JPS5136026B1 (en:Method) 1976-10-06
FR2104741B1 (en:Method) 1975-01-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee