Darlington pair is two stage current amplifier

[Patrick Chung]

Darlington pair is actually two stage current amplifier. Now, there is new tutorial:

http://www.cirvirlab.com/index.php/tutorials/107-darlington-pair-or-darlington-transistor-simulation.html

and new online simulation:

http://www.cirvirlab.com/simulation/darlington_pair_or_darlington_transistor_online.php