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Tag Archives: ADC nonlinearity
Brief Study of Dither C: Dithered DNL
In ‘Dither’ series B, I have shown dither reduces the harmonic distortion by decolalizing the code mapping of the analog signal from the transfer curve. So if we take a step further, we might say the main purpose of dither is … Continue reading
Brief Study of Dither B: Dither
In ‘Dither’ series A, I mentioned that the quantization will introduce large harmonics to a low-level sinusoidal signal. Let’s look at another example in Figure 1 [1]. Adding dither to the circuit means adding noise to the circuit. Now let’s … Continue reading
ADC Performance B: INL vs. THD
In the previous post, I’ve looked at the relation between DNL and SNR. In DNL plot, where the variation of the nonlinearity error just looks like noise, so it’s easy to imagine that the SNR will be degraded due to … Continue reading
Posted in Data Converter
Tagged ADC nonlinearity, Harmonic Distortion, INL, INL versus THD, THD
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