Auto-adjustment of RC cells within a circuit
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United States of America Patent
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Feb 13, 2007
Grant Date -
Jul 6, 2006
app pub date -
Dec 12, 2005
filing date -
Dec 14, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An integrated circuit having a first couple of components R and C, at least a second couple of components R.sub.1 R.sub.3 and C'.sub.1 C'.sub.2 and a calibration circuit. The couple of componets form an RC cell of which one component is adjustable, and the calibration circuit. The invention corrects the errors in the values of the components of RC cells of the same nature. The calibration circuit performs the adjustment of an RC cell and then applies the same correction to the components of the other RC cells of the same nature.
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