GB1376065A - Crystalcontrolled oscillators - Google Patents

Crystalcontrolled oscillators

Info

Publication number
GB1376065A
GB1376065A GB727372A GB727372A GB1376065A GB 1376065 A GB1376065 A GB 1376065A GB 727372 A GB727372 A GB 727372A GB 727372 A GB727372 A GB 727372A GB 1376065 A GB1376065 A GB 1376065A
Authority
GB
United Kingdom
Prior art keywords
gate
oscillation
crystal
charged
starting
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
GB727372A
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.)
Societe Europeenne de Semi Conducteurs de Microelectronique SA SESCOSEM
Original Assignee
Societe Europeenne de Semi Conducteurs de Microelectronique SA SESCOSEM
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 Societe Europeenne de Semi Conducteurs de Microelectronique SA SESCOSEM filed Critical Societe Europeenne de Semi Conducteurs de Microelectronique SA SESCOSEM
Publication of GB1376065A publication Critical patent/GB1376065A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/364—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device the amplifier comprising field effect transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/354—Astable circuits
    • H03K3/3545—Stabilisation of output, e.g. using crystal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
GB727372A 1971-02-17 1972-02-16 Crystalcontrolled oscillators Expired GB1376065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7105365A FR2126956B1 (https=) 1971-02-17 1971-02-17

Publications (1)

Publication Number Publication Date
GB1376065A true GB1376065A (en) 1974-12-04

Family

ID=9072035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB727372A Expired GB1376065A (en) 1971-02-17 1972-02-16 Crystalcontrolled oscillators

Country Status (6)

Country Link
US (1) US3753154A (https=)
CH (1) CH555112A (https=)
DE (1) DE2207262A1 (https=)
FR (1) FR2126956B1 (https=)
GB (1) GB1376065A (https=)
IT (1) IT947543B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201853A (en) * 1986-12-04 1988-09-07 Western Digital Corp Crystal oscillator with fast reliable start-up

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909152A (en) * 1997-02-28 1999-06-01 Texas Instruments Incorporated Low power CMOS crystal oscillator circuit
US6278336B1 (en) 1998-02-27 2001-08-21 Texas Instruments Incorporated Low-current oscillator with hysteresis input buffer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568091A (en) * 1969-02-26 1971-03-02 Hamilton Watch Co Astable multivibrator using two complementary transistor pairs
US3585527A (en) * 1969-10-27 1971-06-15 Suisse Pour L Ind Horlogere Sa Oscillator circuit including a quartz crystal operating in parallel resonance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201853A (en) * 1986-12-04 1988-09-07 Western Digital Corp Crystal oscillator with fast reliable start-up

Also Published As

Publication number Publication date
CH555112A (fr) 1974-10-15
US3753154A (en) 1973-08-14
FR2126956A1 (https=) 1972-10-13
FR2126956B1 (https=) 1974-03-22
DE2207262A1 (de) 1972-08-31
IT947543B (it) 1973-05-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee