That does not matter if it uses biasing to amplify input or not, the main thing here is that i can amplify the input.

see you cannot carry such operation with resister or inductors 

Why a Transistor is considered to be an active device?
According to the wiki, the PC version of Dungeon Defenders comes with the "gameplay code and source" for UDK, for the purposes of modding.

However, it's not listed in the usual place ("Tools" in Steam), and I can't find any other info online.  Where is the source code?
