Oscillation circuit, oscillator, method of manufacturing oscillator, electronic device, and moving object
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United States of America Patent
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Apr 12, 2016
Grant Date -
Apr 30, 2015
app pub date -
Oct 29, 2014
filing date -
Oct 30, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An oscillation circuit includes a terminal XO which is connected to one end of a resonator, a terminal XI which is connected to the other end of the resonator, an oscillation unit which is electrically connected to the terminal XO and the terminal XI, a control voltage generation circuit, and a switch. The oscillation unit includes a variable capacitive element having one end which is connected to the terminal XO or the terminal XI. The switch controls electrical connection between the other end of the variable capacitive element and an output terminal of the control voltage generation circuit.
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