Patent 7253762 was granted and assigned to Realtek on August, 2007 by the United States Patent and Trademark Office.
The present invention provides an apparatus and a method for estimating at least one of timing, gain, and offset errors of a time-interleaved ADC. The apparatus has a first ADC, a second ADC, a converter, an estimator, and a compensator. The converter has a Fourier Transform converter and a calculator.