利用数字正弦校正信号对时间交错ADC进行背景偏移和增益校正

2012 International Conference on Synthesis, Modeling, Analysis and Simulation Methods and Applications to Circuit Design (SMACD) Pub Date : 2012-10-25 DOI:10.1109/SMACD.2012.6339392

R. Khalil, M. Louerat, R. Petigny, H. Gicquel

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引用次数: 2

摘要

本文介绍了时间交错模数转换器(TIADC)的背景偏移和增益校准。校准技术依赖于检测校准信号的偏移量和幅度。该检测基于在数字部分执行的简单算法。需要一个数字正弦波来实现校准技术。对标定技术行为进行了理论分析和仿真验证。以12位、4通道、800ms /s的TIADC为例。

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

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.

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

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