Clock generation circuit
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United States of America Patent
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Sep 3, 2013
Grant Date -
May 31, 2012
app pub date -
Aug 22, 2011
filing date -
Nov 30, 2010
priority date (Note) -
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Abstract
A clock generation circuit, includes a first current source, a resistor connected to the first current source, a second current source, a first demux circuit connected to the second current source, a second demux circuit connected to the second current source, a capacitor connected to the first demux circuit and the second demux circuit, a first comparator connected to the first current source and the capacitor, a second comparator connected to the first current source and the capacitor, and a RS trigger connected both to the first comparator and the second comparator. The present invention has simple structure, small process variation, and lower cost, and is able to improve the accuracy of the clock with maximum possibility.
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