FR2773925B1 - Synthetiseur de frequence a boucle d'asservissement en phase avec circuit de detection d'asservissement - Google Patents

Synthetiseur de frequence a boucle d'asservissement en phase avec circuit de detection d'asservissement

Info

Publication number
FR2773925B1
FR2773925B1 FR9809356A FR9809356A FR2773925B1 FR 2773925 B1 FR2773925 B1 FR 2773925B1 FR 9809356 A FR9809356 A FR 9809356A FR 9809356 A FR9809356 A FR 9809356A FR 2773925 B1 FR2773925 B1 FR 2773925B1
Authority
FR
France
Prior art keywords
lock
phase
detection circuit
locked loop
frequency synthesizer
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
FR9809356A
Other languages
English (en)
Other versions
FR2773925A1 (fr
Inventor
Satoshi Katayama
Takehito Doi
Shinji Saito
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
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of FR2773925A1 publication Critical patent/FR2773925A1/fr
Application granted granted Critical
Publication of FR2773925B1 publication Critical patent/FR2773925B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
FR9809356A 1998-01-16 1998-07-22 Synthetiseur de frequence a boucle d'asservissement en phase avec circuit de detection d'asservissement Expired - Fee Related FR2773925B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP00664998A JP4015254B2 (ja) 1998-01-16 1998-01-16 ロック検出回路及びｐｌｌ周波数シンセサイザ

Publications (2)

Publication Number Publication Date
FR2773925A1 FR2773925A1 (fr) 1999-07-23
FR2773925B1 true FR2773925B1 (fr) 2001-06-08

Family

ID=11644237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9809356A Expired - Fee Related FR2773925B1 (fr) 1998-01-16 1998-07-22 Synthetiseur de frequence a boucle d'asservissement en phase avec circuit de detection d'asservissement

Country Status (3)

Country Link
US (1) US6757349B1 (fr)
JP (1) JP4015254B2 (fr)
FR (1) FR2773925B1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6760394B1 (en) * 1999-08-11 2004-07-06 Broadcom Corporation CMOS lock detect with double protection
JP3969928B2 (ja) * 2000-04-14 2007-09-05 パイオニア株式会社 位相ロック状態検出装置及び情報処理装置
JP4502165B2 (ja) * 2001-04-10 2010-07-14 ルネサスエレクトロニクス株式会社 ロック検出回路
US6998889B2 (en) * 2003-08-11 2006-02-14 Rambus Inc. Circuit, apparatus and method for obtaining a lock state value
KR100549868B1 (ko) * 2003-10-07 2006-02-06 삼성전자주식회사 락 검출기능을 구비한 위상동기루프 회로 및 위상동기루프회로의 락 검출방법
US7417952B1 (en) * 2004-07-29 2008-08-26 Marvell International Ltd. Adaptive wireless network multiple access techniques using traffic flow
US7706496B2 (en) * 2005-01-31 2010-04-27 Skyworks Solutions, Inc. Digital phase detector for a phase locked loop
JP4531104B2 (ja) * 2006-02-17 2010-08-25 富士通株式会社 信号処理方法、信号処理装置及びアナログ／デジタル変換装置
CN1945977B (zh) * 2006-10-24 2011-01-12 威盛电子股份有限公司 锁相回路系统的锁定侦测电路及方法
US8736323B2 (en) 2007-01-11 2014-05-27 International Business Machines Corporation Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops
US7649421B2 (en) * 2007-06-19 2010-01-19 Harris Stratex Networks Operating Corporation Quality of phase lock and loss of lock detector
KR20140112241A (ko) * 2013-03-13 2014-09-23 삼성전자주식회사 올-디지털 위상 동기 루프와 이의 동작 방법
US9252788B1 (en) 2014-09-11 2016-02-02 International Business Machines Corporation Phase error detection in phase lock loop and delay lock loop devices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463321A (en) * 1981-12-28 1984-07-31 E-Systems, Inc. Delay line controlled frequency synthesizer
JPS6047515A (ja) 1983-08-26 1985-03-14 Victor Co Of Japan Ltd 同期引込判別回路
GB8522998D0 (en) 1985-09-18 1985-10-23 Plessey Co Plc Phase comparator lock detect circuit
JP2718664B2 (ja) 1986-05-23 1998-02-25 株式会社日立製作所 位相同期検出回路
US5189379A (en) * 1989-11-16 1993-02-23 Fujitsu Limited Pulse width detecting circuit and PLL synthesizer circuit using the same
JP2828286B2 (ja) 1989-11-16 1998-11-25 富士通株式会社 Ｐｌｌのロック検出回路
US5260979A (en) * 1991-05-28 1993-11-09 Codex Corp. Circuit and method of switching between redundant clocks for a phase lock loop
US5355037A (en) * 1992-06-15 1994-10-11 Texas Instruments Incorporated High performance digital phase locked loop
GB2268645B (en) 1992-07-02 1996-08-21 Motorola Inc A lock detection circuit for a phase lock loop
GB2287592B (en) 1994-03-18 1998-08-12 Plessey Semiconductors Ltd Phase lock detector
JP2710214B2 (ja) * 1994-08-12 1998-02-10 日本電気株式会社 フェーズロックドループ回路
JPH09200048A (ja) 1996-01-16 1997-07-31 Fujitsu Ltd Ｐｌｌ周波数シンセサイザ
US6005904A (en) * 1997-10-16 1999-12-21 Oasis Design, Inc. Phase-locked loop with protected output during instances when the phase-locked loop is unlocked

Also Published As

Publication number Publication date
FR2773925A1 (fr) 1999-07-23
JPH11205134A (ja) 1999-07-30
JP4015254B2 (ja) 2007-11-28
US6757349B1 (en) 2004-06-29

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Effective date: 20110331