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Background offset and gain calibration for time-interleaved ADC using digital sinusoidal calibration signal

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4 Author(s)
Raouf Khalil ; LIP6, Pierre and Marie Curie University, Paris, France ; Marie-Minerve Louërat ; Roger Petigny ; Hugo Gicquel

This paper presents background offset and gain calibration for time-interleaved analog-to-digital converter (TIADC). The calibration technique depends on detecting the offset and the amplitude of a calibration signal. The detection is based on a simple algorithm performed in the digital part. A digital sinusoidal wave is needed to implement the calibration technique. The calibration technique behaviors are theoretically analysed and verified by simulations. A 12-bit, 4-channel, 800 MS/s TIADC is used as an example.

Published in:

Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD), 2012 International Conference on

Date of Conference:

19-21 Sept. 2012