Compensation circuit and compensation method to compensate nonlinear distortions of an A/D converter
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United States of America Patent
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Feb 12, 2008
Grant Date -
Nov 25, 2004
app pub date -
Feb 13, 2004
filing date -
Feb 13, 2003
priority date (Note) -
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Abstract
The invention relates to a compensation circuit (1 6) to compensate nonlinear distortions of an A/D converter comprising a signal input and a compensation system. In order to avoid the high costs related to the complex analog design of the A/D converter and/or the high energy consumption in this converter and compensation system, it is proposed that a compensation circuit be used that is composed of digital circuit elements that are connected following the A/D converter and which has a nonlinearly distorted output signal of the A/D converter supplied to it to compensate the nonlinear distortion. Adaptive coefficients are preferably employed here for the compensation.
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