Calibration circuit and calibration method for time-interleaved analog-to-digital converter

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United States of America Patent

PATENT NO 9900019
SERIAL NO

15719523

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Abstract

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A calibration circuit for a time-interleaved analog-to-digital converter includes a filter circuit and a calculating circuit. The filter circuit is configured to receive a first signal and generate a second signal based on the first signal. The first signal comprises an image of an interference signal, the second signal comprises a reconstructed image of the interference signal, and a frequency of the reconstructed image of the interference signal is the same as a frequency of the image of the interference signal. The calculating circuit is configured to cancel the image of the interference signal of the first signal according to the second signal.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORPORATIONNO 2 INNOVATION ROAD II HSINCHU SCIENCE PARK HSINCHU 300

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Yuan-Shuo Hsinchu, TW 28 153

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