Digital correction techniques for data converters
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 23, 2013
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N/A
app pub date -
Sep 8, 2011
filing date -
Sep 8, 2011
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
A method and apparatus is disclosed to compensate for impairments within a data converter such that its output is a more accurate representation of its input. The data converter includes a main data converter, a reference data converter, and a correction module. The main data converter may be characterized as having the impairments. As a result, the output of the main data converter is not the most accurate representation of its input. The reference data converter is designed such that the impairments are not present. The correction module estimates the impairments present within the main data converter using its output and the reference data converter to generate corrections coefficients. The correction module adjusts the output of the main data converter using the corrections coefficients to improve the performance of the data converter.
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