Oscillator, electronic apparatus, and moving object
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United States of America Patent
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Jul 17, 2018
Grant Date -
Sep 22, 2016
app pub date -
Mar 14, 2016
filing date -
Mar 16, 2015
priority date (Note) -
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Abstract
An oscillator includes a resonator; an oscillation circuit which oscillates the resonator; a D/A conversion circuit which receives digital data for controlling a frequency of the oscillation circuit; a first temperature sensor; and a temperature compensation circuit which is connected to the first temperature sensor. The oscillation circuit includes a first variable capacitor element and a second variable capacitor element. An output voltage of the D/A conversion circuit is applied to the first variable capacitor element. An output voltage of the temperature compensation circuit is applied to the second variable capacitor element.
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