METHOD AND APPARATUS TO IMPROVE REFERENCE VOLTAGE ACCURACY
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Jun 9, 2009
filing date -
Jun 9, 2009
priority date (Note) -
Abandoned
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Abstract
A method and apparatus for converting an analog input voltage signal to a discrete signal, the method including generating at least one reference voltage and at least one secondary voltage. The method further including selecting at least one voltage between the at least one reference voltage and the at least one secondary voltage and generating at least one intermediate voltage based on the at least one voltage and at least one digital code. The at least one intermediate voltage and the analog input voltage further being used to generate at least one comparison signal and the discrete signal being generated based on the at least one comparison signal and the at least one digital code.
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