ELECTRONIC DEVICE AND METHOD FOR OPERATING RESONATOR ELEMENT AT RESONANCE FREQUENCY
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United States of America Patent
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Jan 23, 2025
app pub date -
Jul 27, 2023
filing date -
Jul 27, 2023
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Abstract
Disclosed herein is provided an electronic device for operating a resonator element at a resonance frequency, the electronic device includes: a control unit configured to control driving of the resonator element connected to an output terminal of an amplifier unit in a manner in which a drive signal is acquired according to a first clock signal and input to the amplifier unit; a phase difference detection unit configured to detect a phase difference between a voltage and a current at the output terminal of the amplifier unit; and a frequency variation unit configured to vary a frequency of the first clock signal based on the phase difference detected by the phase difference detection unit, to converge an operating frequency of the resonator element to the resonance frequency.
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