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ATE235124T1 - Oszillatoranordnung für einen niederfrequenz- quarz und mit verbessertem temperatur-verhalten - Google Patents

Oszillatoranordnung für einen niederfrequenz- quarz und mit verbessertem temperatur-verhalten

Info

Publication number
ATE235124T1
ATE235124T1 AT99125480T AT99125480T ATE235124T1 AT E235124 T1 ATE235124 T1 AT E235124T1 AT 99125480 T AT99125480 T AT 99125480T AT 99125480 T AT99125480 T AT 99125480T AT E235124 T1 ATE235124 T1 AT E235124T1
Authority
AT
Austria
Prior art keywords
resonator
frequency
fundamental mode
vibration
torsion
Prior art date
Application number
AT99125480T
Other languages
English (en)
Inventor
Piazza Silvio Dalla
Pinchas Novac
Original Assignee
Ebauchesfabrik Eta Ag
Em Microelectronic Marin 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 Ebauchesfabrik Eta Ag, Em Microelectronic Marin Sa filed Critical Ebauchesfabrik Eta Ag
Application granted granted Critical
Publication of ATE235124T1 publication Critical patent/ATE235124T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • H03H9/215—Crystal tuning forks consisting of quartz
    • 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
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0307—Stabilisation of output, e.g. using crystal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
AT99125480T 1999-12-21 1999-12-21 Oszillatoranordnung für einen niederfrequenz- quarz und mit verbessertem temperatur-verhalten ATE235124T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99125480A EP1111770B1 (de) 1999-12-21 1999-12-21 Oszillatoranordnung für einen Niederfrequenz-Quarz und mit verbessertem Temperatur-Verhalten

Publications (1)

Publication Number Publication Date
ATE235124T1 true ATE235124T1 (de) 2003-04-15

Family

ID=8239673

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99125480T ATE235124T1 (de) 1999-12-21 1999-12-21 Oszillatoranordnung für einen niederfrequenz- quarz und mit verbessertem temperatur-verhalten

Country Status (3)

Country Link
EP (1) EP1111770B1 (de)
AT (1) ATE235124T1 (de)
DE (1) DE69906097T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003017284A1 (en) 2001-08-13 2003-02-27 Em Microelectronic-Marin Sa Programming an electronic device including a non-volatile memory, in particular for adjusting the features of an oscillator
EP1289121A1 (de) * 2001-08-13 2003-03-05 EM Microelectronic-Marin SA Inverteroszillatorschaltung mit niedrigem Verbrauch
EP1536559A1 (de) 2003-11-25 2005-06-01 ETA SA Manufacture Horlogère Suisse Elektronisches Bauelement mit einem Resonatorelement in einem hermetisch geschlossenem Gehäuse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4320320A (en) * 1978-12-01 1982-03-16 Kabushiki Kaisha Suwa Seikosha Coupled mode tuning fork type quartz crystal vibrator
GB2042796B (en) * 1978-12-01 1983-01-19 Suwa Seikosha Kk Piezoelectric vibrator
US4498025A (en) * 1980-12-12 1985-02-05 Seiko Instruments & Electronics Ltd. Tuning fork
JPH07162237A (ja) * 1993-12-07 1995-06-23 Nec Corp 発振回路

Also Published As

Publication number Publication date
EP1111770B1 (de) 2003-03-19
EP1111770A1 (de) 2001-06-27
DE69906097D1 (de) 2003-04-24
DE69906097T2 (de) 2004-02-19

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties