EMI Reduction Techniques for Op Amps (.PDF Download)

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In this article, electromagnetic interference (EMI) will be discussed as it relates to operational amplifiers (op amps) and other amplifiers. We will examine EMI effects on op amps/amplifiers, an EMI filter that uses an op amp, op amp EMI rejection ratio (EMIRR), an EMI-hardened op amp, minimizing RF EMI interference in amplifiers, EMI in Class D audio op amps, EMI damage to bipolar transistors in op amps, and more.