GB2064248B - Temperature compensated crystal oscillators - Google Patents

Temperature compensated crystal oscillators

Info

Publication number
GB2064248B
GB2064248B GB7940353A GB7940353A GB2064248B GB 2064248 B GB2064248 B GB 2064248B GB 7940353 A GB7940353 A GB 7940353A GB 7940353 A GB7940353 A GB 7940353A GB 2064248 B GB2064248 B GB 2064248B
Authority
GB
United Kingdom
Prior art keywords
temperature compensated
crystal oscillators
compensated crystal
oscillators
temperature
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
Application number
GB7940353A
Other versions
GB2064248A (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 BLACKBURN
Original Assignee
PHILCOM ELECTRONICS BLACKBURN
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 BLACKBURN filed Critical PHILCOM ELECTRONICS BLACKBURN
Priority to GB7940353A priority Critical patent/GB2064248B/en
Publication of GB2064248A publication Critical patent/GB2064248A/en
Application granted granted Critical
Publication of GB2064248B publication Critical patent/GB2064248B/en
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
    • 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
GB7940353A 1979-11-21 1979-11-21 Temperature compensated crystal oscillators Expired GB2064248B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7940353A GB2064248B (en) 1979-11-21 1979-11-21 Temperature compensated crystal oscillators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7940353A GB2064248B (en) 1979-11-21 1979-11-21 Temperature compensated crystal oscillators

Publications (2)

Publication Number Publication Date
GB2064248A GB2064248A (en) 1981-06-10
GB2064248B true GB2064248B (en) 1984-05-16

Family

ID=10509343

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7940353A Expired GB2064248B (en) 1979-11-21 1979-11-21 Temperature compensated crystal oscillators

Country Status (1)

Country Link
GB (1) GB2064248B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120055A1 (en) * 1982-09-24 1984-10-03 Hughes Aircraft Company Thermal stabilisation of negative conductance semiconductor devices
FR2558317B1 (en) * 1984-01-13 1989-05-05 Thomson Csf HIGH PRECISION TUNABLE OSCILLATOR AND RADAR COMPRISING SUCH AN OSCILLATOR
US4712078A (en) * 1985-03-27 1987-12-08 The United States Of America As Represented By The Secretary Of The Air Force Dielectric resonator oscillators with digital temperature compensation
US4746879A (en) * 1986-08-28 1988-05-24 Ma John Y Digitally temperature compensated voltage-controlled oscillator
DE3629588A1 (en) * 1986-08-30 1988-03-03 Franz Dipl Ing Leitl CRYSTAL OSCILLATOR COMPENSATION CIRCUIT
GB2220317B (en) * 1988-05-28 1992-07-22 Motorola Israel Ltd Automatically self-calibrating oscillators in heterodyned radio receivers
GB8830282D0 (en) * 1988-12-28 1989-02-22 Astec Int Ltd The setting of electronic circuits
US6304517B1 (en) 1999-06-18 2001-10-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for real time clock frequency error correction
US7113051B2 (en) * 2004-01-07 2006-09-26 Schlumberger Technology Corporation Frequency characterization of quartz crystals

Also Published As

Publication number Publication date
GB2064248A (en) 1981-06-10

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee