FR2341980A1 - Perfectionnements relatifs aux oscillateurs a cristal de quartz - Google Patents

Perfectionnements relatifs aux oscillateurs a cristal de quartz

Info

Publication number
FR2341980A1
FR2341980A1 FR7704578A FR7704578A FR2341980A1 FR 2341980 A1 FR2341980 A1 FR 2341980A1 FR 7704578 A FR7704578 A FR 7704578A FR 7704578 A FR7704578 A FR 7704578A FR 2341980 A1 FR2341980 A1 FR 2341980A1
Authority
FR
France
Prior art keywords
temp
crystal oscillator
generation
quartz crystal
sensitive 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.)
Withdrawn
Application number
FR7704578A
Other languages
English (en)
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.)
PHILCOM ELECTRONICS Ltd
Original Assignee
PHILCOM ELECTRONICS Ltd
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 PHILCOM ELECTRONICS Ltd filed Critical PHILCOM ELECTRONICS Ltd
Publication of FR2341980A1 publication Critical patent/FR2341980A1/fr
Withdrawn legal-status Critical Current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
    • 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
FR7704578A 1976-02-17 1977-02-17 Perfectionnements relatifs aux oscillateurs a cristal de quartz Withdrawn FR2341980A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB607276 1976-02-17

Publications (1)

Publication Number Publication Date
FR2341980A1 true FR2341980A1 (fr) 1977-09-16

Family

ID=9807888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7704578A Withdrawn FR2341980A1 (fr) 1976-02-17 1977-02-17 Perfectionnements relatifs aux oscillateurs a cristal de quartz

Country Status (3)

Country Link
JP (1) JPS52141547A (fr)
DE (1) DE2707201A1 (fr)
FR (1) FR2341980A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457606A1 (fr) * 1979-05-23 1980-12-19 Suwa Seikosha Kk Circuit de detection et de compensation de temperature pour une montre
FR2469823A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082845U (ja) * 1983-11-11 1985-06-08 日本マランツ株式会社 デイジタル温度補償水晶発振器のノイズ低減回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457606A1 (fr) * 1979-05-23 1980-12-19 Suwa Seikosha Kk Circuit de detection et de compensation de temperature pour une montre
FR2469823A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Generateur de frequences asservi en temperature et synthetiseur de frequences comportant au moins un tel generateur

Also Published As

Publication number Publication date
JPS52141547A (en) 1977-11-25
DE2707201A1 (de) 1977-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse