hi
there is an IRC channel on freenode for professional discussions on analog electronics. the room name is ##Analog (named according to rules of freenode). if you are already on Freenode, you are welcomed to join. if you don't know about IRC but you like to see it I recommend download chatzilla, it is also available as a plugin for firefox. then click on freenode or type /attach freenode and after connecting to freenode type /join ##Analog