Oscillator circuits
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United States of America Patent
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Sep 19, 2023
Grant Date -
Nov 10, 2022
app pub date -
May 3, 2022
filing date -
May 6, 2021
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Abstract
A method of operating an oscillator circuit comprising a resonator is provided. The method comprises maintaining a resonance of the resonator by a) connecting the resonator to an input voltage (Vbuf) for a first pulse period to charge the resonator only partially towards the input voltage (Vbuf); b) connecting the resonator to a second, lower, voltage for a second pulse period to discharge the resonator at least partially; and repeating steps a) and b) at a rate corresponding to the resonance of the resonator and with a phase corresponding to the resonance of the resonator, so as to maintain the resonance of the resonator.
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