FR2671246B1 - Synthetiseur de frequence a resolution fractionnaire et programmable et son application a la synthese de frequences elevees. - Google Patents

Synthetiseur de frequence a resolution fractionnaire et programmable et son application a la synthese de frequences elevees.

Info

Publication number
FR2671246B1
FR2671246B1 FR9016594A FR9016594A FR2671246B1 FR 2671246 B1 FR2671246 B1 FR 2671246B1 FR 9016594 A FR9016594 A FR 9016594A FR 9016594 A FR9016594 A FR 9016594A FR 2671246 B1 FR2671246 B1 FR 2671246B1
Authority
FR
France
Prior art keywords
fractional
synthesis
application
frequency synthesizer
high frequencies
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
FR9016594A
Other languages
English (en)
Other versions
FR2671246A1 (fr
Inventor
Remy Joel
Belieres Denis
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.)
ERFATEC
Original Assignee
ERFATEC
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 ERFATEC filed Critical ERFATEC
Priority to FR9016594A priority Critical patent/FR2671246B1/fr
Publication of FR2671246A1 publication Critical patent/FR2671246A1/fr
Application granted granted Critical
Publication of FR2671246B1 publication Critical patent/FR2671246B1/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
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • 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
    • H03L7/1806—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 the frequency divider comprising a phase accumulator generating the frequency divided signal
    • 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
    • H03L7/1974—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 for fractional frequency division
FR9016594A 1990-12-27 1990-12-27 Synthetiseur de frequence a resolution fractionnaire et programmable et son application a la synthese de frequences elevees. Expired - Fee Related FR2671246B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9016594A FR2671246B1 (fr) 1990-12-27 1990-12-27 Synthetiseur de frequence a resolution fractionnaire et programmable et son application a la synthese de frequences elevees.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9016594A FR2671246B1 (fr) 1990-12-27 1990-12-27 Synthetiseur de frequence a resolution fractionnaire et programmable et son application a la synthese de frequences elevees.

Publications (2)

Publication Number Publication Date
FR2671246A1 FR2671246A1 (fr) 1992-07-03
FR2671246B1 true FR2671246B1 (fr) 1993-04-16

Family

ID=9403928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9016594A Expired - Fee Related FR2671246B1 (fr) 1990-12-27 1990-12-27 Synthetiseur de frequence a resolution fractionnaire et programmable et son application a la synthese de frequences elevees.

Country Status (1)

Country Link
FR (1) FR2671246B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU711590B2 (en) * 1995-03-16 1999-10-14 Qualcomm Incorporated Direct digital synthesizer driven PLL frequency synthesizer with clean-up PLL
DE19608666A1 (de) * 1996-03-06 1997-09-11 Bosch Gmbh Robert Verfahren und Anordnung zur Ableitung von mehreren Taktsignalen
JP3395529B2 (ja) * 1996-06-28 2003-04-14 三菱電機株式会社 周波数シンセサイザ
US6954114B2 (en) * 2002-04-26 2005-10-11 Broadcom Corporation NCO with rational frequency and normalized phase

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2273401A2 (en) * 1974-04-25 1975-12-26 Adret Electronique Wide range frequency generator with supplementary step cct. - has phase lock loop with programmable divider before cct.
FR2497425B1 (fr) * 1980-12-31 1985-10-31 Adret Electronique Synthetiseur de frequence a multiplicateur fractionnaire
AU617455B2 (en) * 1988-05-06 1991-11-28 Alcatel N.V. A digital frequency synthesizer

Also Published As

Publication number Publication date
FR2671246A1 (fr) 1992-07-03

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Legal Events

Date Code Title Description
ST Notification of lapse