A non-inverting amplifier is one in which the output and the input voltages are in phase with each other. This video looks at a non-inverting amplifier built from an ideal op amp (operational amplifier). The video covers the basics of a non-inverting op amp circuit and shows how to derive the equation for the closed loop voltage gain in a couple of different ways.

This video also shows a simple simulation example using LTSpice

To see other common operational amplifier configurations check out:
https://www.electronx.ca/education/op...

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