FR2775143B1 - Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe - Google Patents

Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe

Info

Publication number
FR2775143B1
FR2775143B1 FR9801960A FR9801960A FR2775143B1 FR 2775143 B1 FR2775143 B1 FR 2775143B1 FR 9801960 A FR9801960 A FR 9801960A FR 9801960 A FR9801960 A FR 9801960A FR 2775143 B1 FR2775143 B1 FR 2775143B1
Authority
FR
France
Prior art keywords
servo
recorder
gain
optical disc
disc drive
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 - Fee Related
Application number
FR9801960A
Other languages
English (en)
Other versions
FR2775143A1 (fr
Inventor
Daniel Bec
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.)
Art Tech Gigadisc ATG
Original Assignee
Art Tech Gigadisc ATG
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 Art Tech Gigadisc ATG filed Critical Art Tech Gigadisc ATG
Priority to FR9801960A priority Critical patent/FR2775143B1/fr
Priority to PCT/FR1999/000341 priority patent/WO1999043088A1/fr
Publication of FR2775143A1 publication Critical patent/FR2775143A1/fr
Application granted granted Critical
Publication of FR2775143B1 publication Critical patent/FR2775143B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
    • G11B20/10037A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/093Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08Details of the phase-locked loop
    • H03L7/085Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/091Details 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 using a sampling device

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
FR9801960A 1998-02-18 1998-02-18 Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe Expired - Fee Related FR2775143B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9801960A FR2775143B1 (fr) 1998-02-18 1998-02-18 Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe
PCT/FR1999/000341 WO1999043088A1 (fr) 1998-02-18 1999-02-16 Procede de correction automatique du gain d'une boucle d'asservissement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9801960A FR2775143B1 (fr) 1998-02-18 1998-02-18 Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe

Publications (2)

Publication Number Publication Date
FR2775143A1 FR2775143A1 (fr) 1999-08-20
FR2775143B1 true FR2775143B1 (fr) 2000-05-05

Family

ID=9523098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9801960A Expired - Fee Related FR2775143B1 (fr) 1998-02-18 1998-02-18 Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe

Country Status (2)

Country Link
FR (1) FR2775143B1 (fr)
WO (1) WO1999043088A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4102800A1 (de) * 1991-01-31 1992-08-06 Thomson Brandt Gmbh Phasenregelkreis mit nachlaufsynchronisation
US5369376A (en) * 1991-11-29 1994-11-29 Standard Microsystems, Inc. Programmable phase locked loop circuit and method of programming same
US5359631A (en) * 1992-09-30 1994-10-25 Cirrus Logic, Inc. Timing recovery circuit for synchronous waveform sampling
JP3371664B2 (ja) * 1996-01-26 2003-01-27 株式会社日立製作所 位相同期装置及び磁気記録再生装置

Also Published As

Publication number Publication date
FR2775143A1 (fr) 1999-08-20
WO1999043088A1 (fr) 1999-08-26

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FR2775143B1 (fr) Procede de correction automatique du gain d'une boucle d'asservissement, en particulier d'asservissement de phase d'une horloge de lecture d'un lecteur-enregistreur de disque optique numerique et dispositif associe

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ST Notification of lapse