The differential amplifier.

[capwizard]

This is the best video I could find about the most importance of Differential Amplifier. Let me ask you What is current mirror?

#193: Back to Basics: the differential amplifier, aka long-tailed pair, diff-pair
https://www.youtube.com/watch?v=mejPNuPAHBY

[petehall347]

Re: The differential amplifier.

look up ocl-techguide.pdf ...

[jiroy]

Re: The differential amplifier.

Notation rarely used this current mirror , who said that and from where did you get it capdude ?..
I think the right notation is Amplification distortion limiter via Input vs Output maximum capability , related to Linear or non linear Amplification design ..