Many sensors have a small analog signal that rides on top of a larger dc pedestal. For these circuits (Fig. 1), the signal must be ac coupled and amplified before it’s digitized. The feedback of an ...
Designing with high-fidelity capacitive proximity sensors requires careful consideration of mechanical design, sensor placement/design, and end-application operating environments. Careful evaluation ...
Use a global filter for each power supply. Use a local filter for each block sensitive to power supply noise. Each power supply must have a filter located in close proximity either to the voltage ...
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