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12

Electronic Feedback

Lecture no. 12 from the course: Understanding Modern Electronics

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Taught by Professor Richard Wolfson | 36 min | Categories: Science

Understand the math behind two basic rules that allow op-amps to leverage the magic of negative feedback: no current flows into op-amp inputs, and with negative feedback, V+ = V -. See how these rules allow op-amps to tame near-infinite gain in a circuit down to the exact amplification you want.