How do you measure and improve the phase margin and gain margin of your op-amp feedback loop? (original) (raw)
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If you use op-amps in your circuit design, you know how important it is to ensure the stability of your feedback loop. A stable feedback loop means that your op-amp can amplify the desired signal without oscillating or distorting. To measure and improve the stability of your feedback loop, you need to understand two key parameters: the phase margin and the gain margin. In this article, you will learn what they are, how to measure them, and how to improve them using some simple techniques.
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