Recommended · for some experience
Introduction to the Op Amp Part 1
Why people recommend it
Opening part of a lecture series introducing op amps and nodal analysis around them; suggested to students stuck on op-amp circuit questions.
In their words
"Introduction to the Op Amp Part" by Darryl Morrel (at youtube.com).
Kamil on electronics.stackexchange.com, Nov 2014. CC BY-SA.