METHODS AND APPARATUS FOR TUNING DEVICES HAVING RESONATORS
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 18, 2013
filing date -
Feb 4, 2009
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus for tuning devices having resonators are described. Phase shifters are included in the circuits and used to shift the phase of the output signal(s) of the resonators. In some implementations, the phase shifters are configured in a feedback loop with the resonators. One or more of the apparatus described herein may be implemented as part, or all, of a microelectromechanical system (MEMS).
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