Apparatuses and methodologies for vibration effects correction in oscillators
First Claim
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1. A method for vibration correction in an oscillator, the method comprising:
- sensing vibrations along one or more axes via an accelerometer mounted on the oscillator;
measuring a spectral response of the oscillator along the one or more axes;
calculating corrective factors as a function of a g-sensitivity vector and the spectral response of the oscillator;
determining the corrective factors based on an acceleration signal received from the accelerometer by referencing a look-up table; and
controlling the oscillator based on at least the corrective factors.
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Abstract
A method and system for vibration correction in an oscillator. The method includes sensing vibrations along one or more axes via at least one accelerometer mounted on the oscillator, determining corrective factors based on an acceleration signal received from the at least one accelerometer by referencing a look-up table; and controlling the oscillator based on at least the corrective factors.
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Citations
18 Claims
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1. A method for vibration correction in an oscillator, the method comprising:
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sensing vibrations along one or more axes via an accelerometer mounted on the oscillator; measuring a spectral response of the oscillator along the one or more axes; calculating corrective factors as a function of a g-sensitivity vector and the spectral response of the oscillator; determining the corrective factors based on an acceleration signal received from the accelerometer by referencing a look-up table; and controlling the oscillator based on at least the corrective factors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An oscillator circuit, comprising:
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a crystal oscillator providing an RF (Radio Frequency) output; an accelerometer mounted on the crystal oscillator for sensing vibrations and for providing an acceleration signal associated with the vibrations; and processing circuitry configured to measure a spectral response of the oscillator along the one or more axes; calculate corrective factors as a function of a g-sensitivity vector and the spectral response of the oscillator; determine the corrective factors as a function of the acceleration signal by referencing a look-up table; and control the crystal oscillator based on at least the corrective factors. - View Dependent Claims (14, 15, 16, 17)
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18. A communication system, comprising:
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at least one electronic device being clocked by an oscillator circuit, wherein the oscillator circuit includes a crystal oscillator providing an RF (Radio Frequency) output, an accelerometer mounted on the crystal oscillator for sensing vibrations and for providing an acceleration signal associated with the vibrations, and processing circuitry configured to measure a spectral response of the oscillator along the one or more axes; calculate corrective factors as a function of a g-sensitivity vector and the spectral response of the oscillator; determine the corrective factors as a function of the acceleration signal by referencing a look-up table; and control the crystal oscillator based on at least the corrective factors.
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Specification