Filtering 101: Single Pole Filters with Op Amps

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Uploaded by on Jul 13, 2011

Whiteboard Series. Analog Devices Matt Duff talks about Single Pole Filters with Operational Amplifiers.

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  • Clarification at 6:22: It is perfectly fine to add capacitance to ground at the inverting input if you also add additional capacitance from this input to the output. This is actually the well know differentiator circuit, and can be used for high pass filtering. When you forget the compensating capacitance is when you normally get into stability troubles. Perhaps at some point we can do videos on op amp stability...

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