Circuit device, oscillation device, and electronic apparatus
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United States of America Patent
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Aug 18, 2015
Grant Date -
Oct 3, 2013
app pub date -
Mar 15, 2013
filing date -
Mar 27, 2012
priority date (Note) -
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Abstract
A circuit device includes a current supply circuit adapted to supply an oscillation current, an oscillation circuit having an oscillation transistor for a resonator, and adapted to drive the resonator using the oscillation transistor based on an oscillation current from the current supply circuit, and a control section adapted to control the current supply circuit. If the oscillation circuit is set to an overdrive mode, the oscillation circuit drives the resonator with a higher drive power than the drive power in a normal mode.
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