Accurate frequency control using a MEMS-based oscillator
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United States of America Patent
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Apr 11, 2017
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app pub date -
Aug 13, 2013
filing date -
Aug 13, 2013
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Abstract
A micro electro mechanical system (MEMS) oscillator supplies an oscillator output signal having a first frequency that differs from a predetermined frequency of the output signal. An error determination circuit determines frequency error from the predetermined frequency based on initial frequency offset and/or temperature and provides the error information indicating a difference between the first frequency and the predetermined frequency. The error information is used by a receiving system in frequency translation logic that utilizes the oscillator output signal as a frequency reference.
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