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DE60303491D1 - Verfahren und Vorrichtung zur Erzeugung eines Signals mit einer dem Produkt einer Referenzfrequenz mit einer reellen Zahl entsprechenden Frequenz - Google Patents

Verfahren und Vorrichtung zur Erzeugung eines Signals mit einer dem Produkt einer Referenzfrequenz mit einer reellen Zahl entsprechenden Frequenz

Info

Publication number
DE60303491D1
DE60303491D1 DE60303491T DE60303491T DE60303491D1 DE 60303491 D1 DE60303491 D1 DE 60303491D1 DE 60303491 T DE60303491 T DE 60303491T DE 60303491 T DE60303491 T DE 60303491T DE 60303491 D1 DE60303491 D1 DE 60303491D1
Authority
DE
Germany
Prior art keywords
generating
product
signal
real number
frequency
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 - Lifetime
Application number
DE60303491T
Other languages
English (en)
Inventor
Loic Joet
Somegabastian Dedieu
Eric Andre
Daniel Saias
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
Application granted granted Critical
Publication of DE60303491D1 publication Critical patent/DE60303491D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • 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
    • H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
    • 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
    • H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
    • H03L2207/18—Temporarily disabling, deactivating or stopping the frequency counter or divider
    • 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
DE60303491T 2002-10-17 2003-09-11 Verfahren und Vorrichtung zur Erzeugung eines Signals mit einer dem Produkt einer Referenzfrequenz mit einer reellen Zahl entsprechenden Frequenz Expired - Lifetime DE60303491D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0212937A FR2846164A1 (fr) 2002-10-17 2002-10-17 Procede et dispositif de generation d'un signal ayant une frequence egale au produit d'une frequence de reference par un nombre reel

Publications (1)

Publication Number Publication Date
DE60303491D1 true DE60303491D1 (de) 2006-04-20

Family

ID=32039779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60303491T Expired - Lifetime DE60303491D1 (de) 2002-10-17 2003-09-11 Verfahren und Vorrichtung zur Erzeugung eines Signals mit einer dem Produkt einer Referenzfrequenz mit einer reellen Zahl entsprechenden Frequenz

Country Status (4)

Country Link
US (1) US6914458B2 (de)
EP (1) EP1411638B1 (de)
DE (1) DE60303491D1 (de)
FR (1) FR2846164A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2879859B1 (fr) * 2004-12-20 2007-07-20 St Microelectronics Sa Procede et dispositif de generation d'un signal par boucle a verrouillage de frequence fractionnaire
KR100838376B1 (ko) * 2006-08-24 2008-06-13 주식회사 하이닉스반도체 전원전압 변동에 대비한 디엘엘장치.
JP6720672B2 (ja) * 2016-04-25 2020-07-08 セイコーエプソン株式会社 回路装置、発振器、電子機器及び移動体

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2841693B2 (ja) * 1990-04-19 1998-12-24 日本電気株式会社 Ｐｌｌ周波数シンセサイザ
US5216387A (en) * 1991-09-10 1993-06-01 John Fluke Mfg. Co., Inc. Noise reduction method and apparatus for phase-locked loops
JPH05291950A (ja) * 1992-04-15 1993-11-05 Mitsubishi Electric Corp フェーズロックドループ周波数シンセサイザ
JPH07302938A (ja) * 1994-04-28 1995-11-14 Sony Corp 圧電セラミックトランス及びその製造方法
US5821816A (en) * 1997-06-12 1998-10-13 Hewlett-Packard Company Integer division variable frequency synthesis apparatus and method
US6308049B1 (en) * 1998-12-21 2001-10-23 Texas Instruments Incorporated Fractional-spurs suppression scheme in frequency tracking multi-band fractional-N phase lock loop
EP1193877A1 (de) * 2000-09-29 2002-04-03 Koninklijke Philips Electronics N.V. Frequenzsynthesizer mit gebrochenem Teilverhältnis und schneller Abstimmung und entsprechendes Verfahren zur Frequenzsynthese
US6509800B2 (en) * 2001-04-03 2003-01-21 Agilent Technologies, Inc. Polyphase noise-shaping fractional-N frequency synthesizer
US6710951B1 (en) * 2001-10-31 2004-03-23 Western Digital Technologies, Inc. Phase locked loop employing a fractional frequency synthesizer as a variable oscillator

Also Published As

Publication number Publication date
FR2846164A1 (fr) 2004-04-23
US6914458B2 (en) 2005-07-05
US20040113665A1 (en) 2004-06-17
EP1411638A1 (de) 2004-04-21
EP1411638B1 (de) 2006-02-08

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Legal Events

Date Code Title Description
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