Search results

  1. C

    0-30V Stabilized Power Supply

    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...
  2. C

    0-30V Stabilized Power Supply

    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...
  3. C

    0-30V Stabilized Power Supply

    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...
Top