FR2128056B1 - - Google Patents

Info

Publication number
FR2128056B1
FR2128056B1 FR7107133A FR7107133A FR2128056B1 FR 2128056 B1 FR2128056 B1 FR 2128056B1 FR 7107133 A FR7107133 A FR 7107133A FR 7107133 A FR7107133 A FR 7107133A FR 2128056 B1 FR2128056 B1 FR 2128056B1
Authority
FR
France
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
Application number
FR7107133A
Other versions
FR2128056A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7107133A priority Critical patent/FR2128056B1/fr
Priority to DE19722209385 priority patent/DE2209385C2/de
Priority to NO59972A priority patent/NO133052C/no
Priority to ES400258A priority patent/ES400258A1/es
Priority to AT164472A priority patent/AT324419B/de
Priority to IT4863272A priority patent/IT948767B/it
Priority to NL7202601A priority patent/NL7202601A/xx
Priority to GB964572A priority patent/GB1333534A/en
Priority to SE261272A priority patent/SE369651B/xx
Priority to BE780113A priority patent/BE780113A/fr
Publication of FR2128056A1 publication Critical patent/FR2128056A1/fr
Application granted granted Critical
Publication of FR2128056B1 publication Critical patent/FR2128056B1/fr
Expired 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
    • H03L7/183—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
    • H03L7/187—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 using means for coarse tuning the voltage controlled oscillator of the loop
    • H03L7/189—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 using means for coarse tuning the voltage controlled oscillator of the loop comprising a D/A converter for generating a coarse tuning voltage
    • 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
    • H03L7/1972—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 reducing the locking time interval
FR7107133A 1971-03-02 1971-03-02 Expired FR2128056B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR7107133A FR2128056B1 (fr) 1971-03-02 1971-03-02
NO59972A NO133052C (fr) 1971-03-02 1972-02-28
DE19722209385 DE2209385C2 (de) 1971-03-02 1972-02-28 Frequenzgenerator für die Erzeugung stabiler Frequenzen
AT164472A AT324419B (de) 1971-03-02 1972-02-29 Frequenzgenerator mit regeischleife für die erzeugung veränderlicher frequenzen
ES400258A ES400258A1 (es) 1971-03-02 1972-02-29 Dispositivo generador de frecuencias.
IT4863272A IT948767B (it) 1971-03-02 1972-02-29 Generatore di frequenze variabili a circuito d asservimento
NL7202601A NL7202601A (fr) 1971-03-02 1972-02-29
GB964572A GB1333534A (en) 1971-03-02 1972-03-01 Variable-freqeuncy generator
SE261272A SE369651B (fr) 1971-03-02 1972-03-01
BE780113A BE780113A (fr) 1971-03-02 1972-03-02 Generateur de frequences variables a boucle d'asservissement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7107133A FR2128056B1 (fr) 1971-03-02 1971-03-02

Publications (2)

Publication Number Publication Date
FR2128056A1 FR2128056A1 (fr) 1972-10-20
FR2128056B1 true FR2128056B1 (fr) 1974-04-26

Family

ID=9072749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7107133A Expired FR2128056B1 (fr) 1971-03-02 1971-03-02

Country Status (9)

Country Link
BE (1) BE780113A (fr)
DE (1) DE2209385C2 (fr)
ES (1) ES400258A1 (fr)
FR (1) FR2128056B1 (fr)
GB (1) GB1333534A (fr)
IT (1) IT948767B (fr)
NL (1) NL7202601A (fr)
NO (1) NO133052C (fr)
SE (1) SE369651B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1290407C (fr) * 1986-12-23 1991-10-08 Shigeki Saito Synthetiseur de frequence
DE3939709A1 (de) * 1989-12-01 1991-06-06 Bosch Gmbh Robert Verfahren zur abstimmung eines funksende- und/oder -empfangsgeraetes
JPH03224322A (ja) * 1990-01-29 1991-10-03 Toshiba Corp 選局回路
DE4017491C2 (de) * 1990-05-31 2002-05-08 Siemens Ag Abstimmschaltung
JP3033654B2 (ja) * 1993-08-23 2000-04-17 日本電気株式会社 Ｐｌｌ周波数シンセサイザ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1067454A (en) * 1963-06-21 1967-05-03 Plessey Uk Ltd Improvements in or relating to controlled frequency electrical oscillation generators
US3588732A (en) * 1969-01-16 1971-06-28 Collins Radio Co Frequency synthesizer

Also Published As

Publication number Publication date
GB1333534A (en) 1973-10-10
NO133052C (fr) 1976-02-25
ES400258A1 (es) 1975-01-01
IT948767B (it) 1973-06-11
DE2209385C2 (de) 1981-12-03
FR2128056A1 (fr) 1972-10-20
NL7202601A (fr) 1972-09-05
DE2209385A1 (de) 1972-09-07
SE369651B (fr) 1974-09-09
BE780113A (fr) 1972-07-03
NO133052B (fr) 1975-11-17

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Legal Events

Date Code Title Description
ST Notification of lapse