Methods and apparatus for clock oscillator temperature coefficient trimming
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United States of America Patent
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Apr 26, 2016
Grant Date -
Sep 3, 2015
app pub date -
Jan 14, 2015
filing date -
Mar 3, 2014
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Abstract
Apparatus and methods are provided for a temperature-compensated oscillator adapted to receive an input reference current. The apparatus and methods include or provide a temperature coefficient control circuit adapted to adjust the input reference current based on temperature information, wherein the temperature coefficient control circuit receives a first signal corresponding to the temperature information at a first signal node, and a second signal corresponding to a trimmed bias signal at a second signal node.
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