Did you realise that are milivolts? any way, again, i am giving a "get out of the problem" solution , I am not posting to try to help somebody that dont know much, of course is not the high tech solution..i suject the 2n3054 with a zener, but this guy burned a zener before, so bad idea, I sugested the lm317 and he only have a 7805, I sugested the voltage divisor in the ref pin of the 7805 to make the output varible, I even posted the formula to calculate it..but only I get post reply to say...diodes dont work...7805 cant get variable output, etc..I dont care, please , help the guy asking for help...and please, be wise...if you know thah you dont know everything you will progress in life, if you thing you seen all, know all, then you are gone, and not posthing , because the millions you made will have you in the bahamas with 10 girls arround...I am wrong?