Thanks thanks for all the answers
So you mean I should change the 2n2219 to a bd139 with heatsink?
That's good because I still have a bd139 :D
It's very good that the opamps are not broke down but if they will break down I will change it to the better opamps you mentioned.
I will tell you...
Hey
Thanks for the reply
Here are the voltages:
Output: U1 = 11,24V that voltage is constant no matter of the setting of the potentiometers
U2 ~ 31,5V that is at highest setting of the voltage potentiometer and if I turn down the voltage below 0,8V (meanwhile 0,8V is the...
Hello!!
I'm from Austria, so please excuse if I don't speak english well ;)
One month ago I built the version of the PSU which is on the homepage and it worked very well. But few days ago it broke down and I don't know how it works and so I'm not able to repair it without your help.
The...