FR2816075B1 - Generateur ameliore pour la production de signaux d'horloge - Google Patents

Generateur ameliore pour la production de signaux d'horloge

Info

Publication number
FR2816075B1
FR2816075B1 FR0013903A FR0013903A FR2816075B1 FR 2816075 B1 FR2816075 B1 FR 2816075B1 FR 0013903 A FR0013903 A FR 0013903A FR 0013903 A FR0013903 A FR 0013903A FR 2816075 B1 FR2816075 B1 FR 2816075B1
Authority
FR
France
Prior art keywords
production
clock signals
improved generator
generator
improved
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
FR0013903A
Other languages
English (en)
Other versions
FR2816075A1 (fr
Inventor
Bruno Gailhard
Olivier Ferrand
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Priority to FR0013903A priority Critical patent/FR2816075B1/fr
Priority to US10/013,343 priority patent/US6703880B1/en
Publication of FR2816075A1 publication Critical patent/FR2816075A1/fr
Application granted granted Critical
Publication of FR2816075B1 publication Critical patent/FR2816075B1/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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
    • H03L7/199—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation
    • 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
    • H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
    • H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
    • H03L7/0997—Controlling the number of delay elements connected in series in the ring oscillator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means
FR0013903A 2000-10-30 2000-10-30 Generateur ameliore pour la production de signaux d'horloge Expired - Fee Related FR2816075B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0013903A FR2816075B1 (fr) 2000-10-30 2000-10-30 Generateur ameliore pour la production de signaux d'horloge
US10/013,343 US6703880B1 (en) 2000-10-30 2001-10-30 Generator for the production of clock signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0013903A FR2816075B1 (fr) 2000-10-30 2000-10-30 Generateur ameliore pour la production de signaux d'horloge

Publications (2)

Publication Number Publication Date
FR2816075A1 FR2816075A1 (fr) 2002-05-03
FR2816075B1 true FR2816075B1 (fr) 2004-05-28

Family

ID=8855885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0013903A Expired - Fee Related FR2816075B1 (fr) 2000-10-30 2000-10-30 Generateur ameliore pour la production de signaux d'horloge

Country Status (2)

Country Link
US (1) US6703880B1 (fr)
FR (1) FR2816075B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7263151B2 (en) * 2002-03-04 2007-08-28 Broadcom Corporation High frequency loss of signal detector
ES2320992T3 (es) * 2004-02-16 2009-06-01 Alstom Belgium S.A. Metodo para medir un voltaje o tension monofasica.
US8189729B2 (en) * 2005-08-03 2012-05-29 Altera Corporation Wide range and dynamically reconfigurable clock data recovery architecture
US7423492B2 (en) * 2005-10-20 2008-09-09 Honeywell International Inc. Circuit to reset a phase locked loop after a loss of lock
KR100986611B1 (ko) * 2008-06-13 2010-10-08 김영식 저전력 주파수분할기 및 상기 주파수분할기를 구비하는저전력 위상고정루프
US11936436B2 (en) 2021-12-10 2024-03-19 Rohde & Schwarz Gmbh & Co. Kg External frontend device and frontend system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856211A1 (de) * 1978-12-27 1980-07-03 Licentia Gmbh Digitale phasenregelschaltung mit einer hilfsschaltung
US4380742A (en) * 1980-08-04 1983-04-19 Texas Instruments Incorporated Frequency/phase locked loop circuit using digitally controlled oscillator
CH670020A5 (en) * 1986-01-20 1989-04-28 Studer Willi Ag Signal synchronising phase-lock circuit - has frequency divider for output signal reset in synchronism with signal flanks of input signal
US4817199A (en) * 1987-07-17 1989-03-28 Rockwell International Corporation Phase locked loop having reduced response time
GB2236922B (en) * 1989-08-31 1993-02-24 Multitone Electronics Plc Frequency synthesisers
JPH1168559A (ja) * 1997-08-20 1999-03-09 Nec Corp 位相同期ループ回路
JP2000196448A (ja) * 1998-12-25 2000-07-14 Nippon Precision Circuits Inc 位相同期回路
JP2001028542A (ja) * 1999-07-13 2001-01-30 Oki Micro Design Co Ltd Ｐｌｌ回路

Also Published As

Publication number Publication date
US6703880B1 (en) 2004-03-09
FR2816075A1 (fr) 2002-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20090630