Optimizing Capacitance Ratio Assignment for Low-Sensitivity SC Filter Implementation

Abstract

Accurate capacitance matching is essential for switched-capacitor filters implementation because the filter coefficients depend upon the capacitance ratios. The use of identical unit capacitors in parallel to form larger capacitances and careful layout design can provide, in many cases, an accuracy of 0.1%. Unfortunately, this technique can be directly… (More)
DOI: 10.1109/TEVC.2009.2025033

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