Flicker noise cancellation in oscillators
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United States of America Patent
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Sep 18, 2012
Grant Date -
Nov 11, 2010
app pub date -
May 6, 2010
filing date -
May 7, 2009
priority date (Note) -
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Abstract
An oscillator is disclosed. The oscillator includes a first capacitor. The oscillator also includes a second capacitor. The oscillator further includes a first current source. The oscillator also includes a second current source. The oscillator further includes a comparator that has a first input and a second input. The oscillator also includes a reference node. The oscillator further includes a controller that is configured to selectively couple the first current source to the first capacitor and the second current source to the reference node during a first time period.
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