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by analog31
2214 days ago
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It's a non ideal behavior of a cap, and some dielectric types have it worse than others. I once made a sample-and-hold for a data acquisition system, and must have tried every type of cap in the bin until I found one that resulted in the least amount of correlation between subsequent readings. I think it was a polypropylene type. Mica was the worst. I don't think I tested an electrolytic. |
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