BE738808A - - Google Patents

Info

Publication number
BE738808A
BE738808A BE738808DA BE738808A BE 738808 A BE738808 A BE 738808A BE 738808D A BE738808D A BE 738808DA BE 738808 A BE738808 A BE 738808A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE738808A publication Critical patent/BE738808A/xx

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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
    • H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D13/00—Circuits for comparing the phase or frequency of two mutually-independent oscillations
    • H03D13/003—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means
    • H03D13/004—Circuits for comparing the phase or frequency of two mutually-independent oscillations in which both oscillations are converted by logic means into pulses which are applied to filtering or integrating means the logic means delivering pulses at more than one terminal, e.g. up and down pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
BE738808D 1968-10-28 1969-09-12 BE738808A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77120568A 1968-10-28 1968-10-28

Publications (1)

Publication Number Publication Date
BE738808A true BE738808A (de) 1970-02-16

Family

ID=25091046

Family Applications (1)

Application Number Title Priority Date Filing Date
BE738808D BE738808A (de) 1968-10-28 1969-09-12

Country Status (9)

Country Link
US (1) US3701039A (de)
BE (1) BE738808A (de)
CH (1) CH503423A (de)
DE (1) DE1953484C3 (de)
ES (1) ES371844A1 (de)
FR (1) FR2021675A1 (de)
GB (1) GB1256164A (de)
NL (1) NL164439C (de)
SE (1) SE361226B (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238964C3 (de) * 1972-08-08 1981-07-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Frequenzregelanordnung
US3805180A (en) * 1972-12-27 1974-04-16 A Widmer Binary-coded signal timing recovery circuit
US3806827A (en) * 1973-07-16 1974-04-23 Honeywell Inc Frequency locked oscillator system in which input and oscillator frequencies are compared on half-cycle basis
GB1456453A (en) * 1974-01-31 1976-11-24 Ibm Phase locked oscillators
US3980968A (en) * 1975-01-02 1976-09-14 Zenith Radio Corporation Non-proportionate AFC system
US3986125A (en) * 1975-10-31 1976-10-12 Sperry Univac Corporation Phase detector having a 360 linear range for periodic and aperiodic input pulse streams
US4034309A (en) * 1975-12-23 1977-07-05 International Business Machines Corporation Apparatus and method for phase synchronization
US4053933A (en) * 1976-11-02 1977-10-11 Zenith Radio Corporation Adaptive phase locked loop filter for television tuning
DE2747438C3 (de) * 1977-10-21 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum phasenstarren Nachführen eines Ausgangssignals in Abhängigkeit eines Eingangssignals
US4121172A (en) * 1977-11-14 1978-10-17 Magnetic Peripherals Inc. Dual loop phase locked oscillator system
US4167711A (en) * 1978-05-26 1979-09-11 Motorola, Inc. Phase detector output stage for phase locked loop
SE413826B (sv) * 1978-09-21 1980-06-23 Ellemtel Utvecklings Ab Sett att i ett telekommunikationssystem reglera fasleget hos en styrd signal i forhallande till en referenssignal samt anordning for genomforande av settet
US4222009A (en) * 1978-11-02 1980-09-09 Sperry Corporation Phase lock loop preconditioning circuit
US4214279A (en) * 1979-01-25 1980-07-22 International Business Machines Corporation Clocking system for servo signal having two or more harmonically related frequencies
US4238740A (en) * 1979-02-02 1980-12-09 Bell Telephone Laboratories, Incorporated Phase-locked loop for PCM transmission systems
US4246545A (en) * 1979-02-02 1981-01-20 Burroughs Corporation Data signal responsive phase locked loop using averaging and initializing techniques
DE2943510C2 (de) * 1979-10-27 1983-03-31 Rohde & Schwarz GmbH & Co KG, 8000 München Phasengeregelter Hochfrequenzoszillator
JPS56136065A (en) * 1980-03-27 1981-10-23 Victor Co Of Japan Ltd Data regenerator
US4322643A (en) * 1980-04-28 1982-03-30 Rca Corporation Digital phase comparator with improved sensitivity for small phase differences
DE3124516A1 (de) * 1981-06-23 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Anordnung zur verminderung von phasenschwankungen im ausgangstakt von elastischen speichern
EP0081598B1 (de) * 1981-12-10 1985-04-24 Deutsche ITT Industries GmbH Digitale Phasen/Frequenzregelschaltung
US4580100A (en) * 1982-12-17 1986-04-01 Tokyo Shibaura Denki Kabushiki Kaisha 72 Phase locked loop clock recovery circuit for data reproducing apparatus
DE3486061T2 (de) * 1983-11-17 1993-05-19 Toshiba Kawasaki Kk Oszillator-schaltung.
US4682121A (en) * 1985-02-04 1987-07-21 International Business Machines Corporation Phase discriminator and data standardizer
US4698600A (en) * 1985-02-04 1987-10-06 International Business Machines Corporation Clock phase discriminator
FR2587569B1 (fr) * 1985-09-17 1991-09-20 Thomson Csf Generateur de frequences a variation rapide
DE3634751A1 (de) * 1986-10-11 1988-04-14 Thomson Brandt Gmbh Phasendiskriminator, insbesondere fuer eine pll-schaltung
EP0321806B1 (de) * 1987-12-17 1993-03-10 Siemens Aktiengesellschaft Frequenzdiskriminator für einen digitalen Phasenregelkreis
US4958243A (en) * 1988-09-15 1990-09-18 International Business Machines Corporation Phase discrimination and data separation method and apparatus
US5081427A (en) * 1990-11-29 1992-01-14 Motorola, Inc. Fast lock time phase locked loop
EP0741931A1 (de) * 1994-09-28 1996-11-13 Koninklijke Philips Electronics N.V. Phasenregelschleife, phasenkomparator zur verwendung darin und wiedergabevorrichtung damit
US6067335A (en) * 1996-08-02 2000-05-23 Silicon Systems, Inc. Read channel IC for dual PLL solution

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2991426A (en) * 1960-06-22 1961-07-04 Marvin D Aasen Proportional automatic frequency control circuit
US3271675A (en) * 1962-12-13 1966-09-06 Philco Corp Phase detector and automatic apparatus utilizing said phase detector for performing a rotational mechanical adjustment to effect a phase coincidence
US3328719A (en) * 1965-08-24 1967-06-27 Sylvania Electric Prod Phase-lock loop with adaptive bandwidth
US3290611A (en) * 1965-09-14 1966-12-06 Bell Telephone Labor Inc Digital frequency control circuit
GB1103520A (en) * 1965-12-21 1968-02-14 Gen Electric Co Ltd Improvements in or relating to electric circuits comprising oscillators
US3337813A (en) * 1965-12-27 1967-08-22 Bell Telephone Labor Inc Phase-controlled oscillator having a bistable circuit in the control loop
US3383619A (en) * 1966-12-09 1968-05-14 Navy Usa High speed digital control system for voltage controlled oscillator

Also Published As

Publication number Publication date
DE1953484A1 (de) 1970-05-27
DE1953484C3 (de) 1984-10-04
NL164439C (nl) 1980-12-15
CH503423A (de) 1971-02-15
US3701039A (en) 1972-10-24
ES371844A1 (es) 1971-11-16
GB1256164A (en) 1971-12-08
DE1953484B2 (de) 1973-05-03
NL164439B (nl) 1980-07-15
FR2021675A1 (de) 1970-07-24
NL6916048A (de) 1970-05-01
SE361226B (de) 1973-10-22

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: INTERNATIONAL BUSINESS MACHINES CORP.

Effective date: 19890912