The Design Resource Center has now merged with our main website at so that we can expand our library of design tip articles. We have added many new design tips to our library, to bring over 150 articles to our members worldwide. You can login using your existing user ID and password, edit your user information, or register for the first time.

Enter the Design Center to find out how 20,000+ members worldwide have benefitted from our 30 years experience in teaching power supply design. Browse and search our library of educational articles on a variety of subjects to help you design a better, more efficient power supply