FR2469823A1 - Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur - Google Patents

Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur Download PDF

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Publication number
FR2469823A1
FR2469823A1 FR7927706A FR7927706A FR2469823A1 FR 2469823 A1 FR2469823 A1 FR 2469823A1 FR 7927706 A FR7927706 A FR 7927706A FR 7927706 A FR7927706 A FR 7927706A FR 2469823 A1 FR2469823 A1 FR 2469823A1
Authority
FR
France
Prior art keywords
frequency
sep
control voltage
frequency generator
circuit
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.)
Granted
Application number
FR7927706A
Other languages
English (en)
French (fr)
Other versions
FR2469823B1 (show.php
Inventor
Christophe Menant
Pierre Fourcade
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 FR7927706A priority Critical patent/FR2469823A1/fr
Publication of FR2469823A1 publication Critical patent/FR2469823A1/fr
Application granted granted Critical
Publication of FR2469823B1 publication Critical patent/FR2469823B1/fr
Granted legal-status Critical Current

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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
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
    • H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
FR7927706A 1979-11-09 1979-11-09 Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur Granted FR2469823A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7927706A FR2469823A1 (fr) 1979-11-09 1979-11-09 Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7927706A FR2469823A1 (fr) 1979-11-09 1979-11-09 Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur

Publications (2)

Publication Number Publication Date
FR2469823A1 true FR2469823A1 (fr) 1981-05-22
FR2469823B1 FR2469823B1 (show.php) 1985-01-25

Family

ID=9231508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927706A Granted FR2469823A1 (fr) 1979-11-09 1979-11-09 Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur

Country Status (1)

Country Link
FR (1) FR2469823A1 (show.php)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537360A1 (fr) * 1982-12-02 1984-06-08 Ferranti Plc Generateur d'ondes ultracourtes a deux oscillateurs
WO1988001810A1 (fr) * 1986-08-30 1988-03-10 Franz Leitl Circuit compensateur a oscillateur a cristal
EP0412491A3 (en) * 1989-08-10 1991-10-02 Mitsubishi Denki Kabushiki Kaisha Frequency synthesizer
EP0608681A1 (de) * 1993-01-29 1994-08-03 Siemens Aktiengesellschaft Oszillatorschaltung mit einem die Schwingquarzindividuellen Kenninformationen speichernden Speicher
EP0658004A3 (en) * 1993-12-07 1996-05-01 Meidensha Electric Mfg Co Ltd Crystal oscillator digitally compensated in temperature.
EP0766376A4 (en) * 1995-04-14 1998-08-26 Matsushita Electric Industrial Co Ltd QUARTZ OSCILLATOR AND METHOD FOR ITS SETTING

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341980A1 (fr) * 1976-02-17 1977-09-16 Philcom Electronics Ltd Perfectionnements relatifs aux oscillateurs a cristal de quartz
US4099137A (en) * 1977-06-10 1978-07-04 Westinghouse Electric Corp. High speed phase lock control for frequency switching
FR2388440A1 (fr) * 1977-04-21 1978-11-17 Sony Corp Dispositif d'accord electronique comportant notamment une memoire numerique
FR2410909A1 (fr) * 1977-11-30 1979-06-29 Hewlett Packard Co Resonateur a cristal de quartz

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2341980A1 (fr) * 1976-02-17 1977-09-16 Philcom Electronics Ltd Perfectionnements relatifs aux oscillateurs a cristal de quartz
FR2388440A1 (fr) * 1977-04-21 1978-11-17 Sony Corp Dispositif d'accord electronique comportant notamment une memoire numerique
US4099137A (en) * 1977-06-10 1978-07-04 Westinghouse Electric Corp. High speed phase lock control for frequency switching
FR2410909A1 (fr) * 1977-11-30 1979-06-29 Hewlett Packard Co Resonateur a cristal de quartz

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2537360A1 (fr) * 1982-12-02 1984-06-08 Ferranti Plc Generateur d'ondes ultracourtes a deux oscillateurs
WO1988001810A1 (fr) * 1986-08-30 1988-03-10 Franz Leitl Circuit compensateur a oscillateur a cristal
US4949055A (en) * 1986-08-30 1990-08-14 Franz Leitl Crystal oscillator compensation circuit
EP0412491A3 (en) * 1989-08-10 1991-10-02 Mitsubishi Denki Kabushiki Kaisha Frequency synthesizer
EP0608681A1 (de) * 1993-01-29 1994-08-03 Siemens Aktiengesellschaft Oszillatorschaltung mit einem die Schwingquarzindividuellen Kenninformationen speichernden Speicher
US5574408A (en) * 1993-01-29 1996-11-12 Siemens Aktiengesellschaft Oscillator circuit having a memory that stores the characteristic information of the individual oscillator crystal
EP0658004A3 (en) * 1993-12-07 1996-05-01 Meidensha Electric Mfg Co Ltd Crystal oscillator digitally compensated in temperature.
US5548252A (en) * 1993-12-07 1996-08-20 Kabushiki Kaisha Meidensha Digital temperature compensated crystal oscillator
EP0766376A4 (en) * 1995-04-14 1998-08-26 Matsushita Electric Industrial Co Ltd QUARTZ OSCILLATOR AND METHOD FOR ITS SETTING

Also Published As

Publication number Publication date
FR2469823B1 (show.php) 1985-01-25

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