FR2905040B1 - Procede d'elaboration d'un mot numerique representatif d'un rapport non-entier entre les periodes respectives de deux signaux, et dispositif correspondant - Google Patents

Procede d'elaboration d'un mot numerique representatif d'un rapport non-entier entre les periodes respectives de deux signaux, et dispositif correspondant

Info

Publication number
FR2905040B1
FR2905040B1 FR0607416A FR0607416A FR2905040B1 FR 2905040 B1 FR2905040 B1 FR 2905040B1 FR 0607416 A FR0607416 A FR 0607416A FR 0607416 A FR0607416 A FR 0607416A FR 2905040 B1 FR2905040 B1 FR 2905040B1
Authority
FR
France
Prior art keywords
signals
producing
corresponding device
digital word
respective periods
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
FR0607416A
Other languages
English (en)
Other versions
FR2905040A1 (fr
Inventor
Sebastien Dedieu
Jerome Lajoinie
Marc Houdebine
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 FR0607416A priority Critical patent/FR2905040B1/fr
Priority to US11/891,773 priority patent/US7869555B2/en
Publication of FR2905040A1 publication Critical patent/FR2905040A1/fr
Application granted granted Critical
Publication of FR2905040B1 publication Critical patent/FR2905040B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/12—Indirect frequency synthesis using a mixer in the phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/50—All digital phase-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR0607416A 2006-08-21 2006-08-21 Procede d'elaboration d'un mot numerique representatif d'un rapport non-entier entre les periodes respectives de deux signaux, et dispositif correspondant Expired - Fee Related FR2905040B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0607416A FR2905040B1 (fr) 2006-08-21 2006-08-21 Procede d'elaboration d'un mot numerique representatif d'un rapport non-entier entre les periodes respectives de deux signaux, et dispositif correspondant
US11/891,773 US7869555B2 (en) 2006-08-21 2007-08-13 Digital word representative of a non-integer ratio between the respective periods of two signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0607416A FR2905040B1 (fr) 2006-08-21 2006-08-21 Procede d'elaboration d'un mot numerique representatif d'un rapport non-entier entre les periodes respectives de deux signaux, et dispositif correspondant

Publications (2)

Publication Number Publication Date
FR2905040A1 FR2905040A1 (fr) 2008-02-22
FR2905040B1 true FR2905040B1 (fr) 2008-10-31

Family

ID=37872281

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0607416A Expired - Fee Related FR2905040B1 (fr) 2006-08-21 2006-08-21 Procede d'elaboration d'un mot numerique representatif d'un rapport non-entier entre les periodes respectives de deux signaux, et dispositif correspondant

Country Status (2)

Country Link
US (1) US7869555B2 (fr)
FR (1) FR2905040B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8090068B2 (en) * 2008-04-22 2012-01-03 Qualcomm, Incorporated System and method of calibrating power-on gating window for a time-to-digital converter (TDC) of a digital phase locked loop (DPLL)
US7759993B2 (en) * 2008-08-06 2010-07-20 Qualcomm Incorporated Accumulated phase-to-digital conversion in digital phase locked loops
US7974807B2 (en) * 2008-09-18 2011-07-05 Qualcomm Incorporated Adaptive calibration for digital phase-locked loops
FR3044098B1 (fr) * 2015-11-19 2017-12-22 St Microelectronics Sa Procede et dispositif de mesure de la frequence d'un signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6094101A (en) * 1999-03-17 2000-07-25 Tropian, Inc. Direct digital frequency synthesis enabling spur elimination
US6326851B1 (en) * 2000-06-26 2001-12-04 Texas Instruments Incorporated Digital phase-domain PLL frequency synthesizer
US6429693B1 (en) * 2000-06-30 2002-08-06 Texas Instruments Incorporated Digital fractional phase detector
US6734741B2 (en) * 2001-04-25 2004-05-11 Texas Instruments Incorporated Frequency synthesizer with digitally-controlled oscillator
US8000428B2 (en) * 2001-11-27 2011-08-16 Texas Instruments Incorporated All-digital frequency synthesis with DCO gain calculation
ITMI20030485A1 (it) * 2003-03-14 2004-09-15 St Microelectronics Srl Rilevatore di sfasamento perfezionato, particolarmente

Also Published As

Publication number Publication date
US20080043894A1 (en) 2008-02-21
US7869555B2 (en) 2011-01-11
FR2905040A1 (fr) 2008-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150430