Monthly Archives: December 2012

Brief Study of Dither C: Dithered DNL

Posted on December 6, 2012 by Dai

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 →

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Brief Study of Dither B: Dither

Posted on December 6, 2012 by Dai

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 →

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Brief Study of Dither A: Before Dither

Posted on December 6, 2012 by Dai

Does it make sense to add noise to enhance the converter’s performance? Dither – a puzzle to me for quite a long time. Recently I had time to read several related papers and APs. I would like to share some … Continue reading →

Posted in Data Converter | Tagged , , | 1 Comment