[Elecraft] OT: Help designing power supply and toroid transformer

2006-01-10 Thread Daniel Reynolds
This is slightly off topic - but since there is such a generous group of guys that are very knowledgable in electronics (and since my brain is a little soft in this area), I think I'll toss this request out and hope for the best. First off - please reply off the list since this does not pertain

Re: [Elecraft] OT: Help designing power supply and toroid transformer

2006-01-10 Thread Don Brown
: [Elecraft] OT: Help designing power supply and toroid transformer This is slightly off topic - but since there is such a generous group of guys that are very knowledgable in electronics (and since my brain is a little soft in this area), I think I'll toss this request out and hope for the best

RE: [Elecraft] OT: Help designing power supply and toroid transformer

2006-01-10 Thread Don Wilhelm
Daniel, Answering on the list since there may be other folks interested too. Most toroid cores will not handle 60 Hz, so you will be better off not attempting to build your transformer. The power supply construction articles that show winding a toroid transformer are switching supplies and the

Re: [Elecraft] OT: Help designing power supply and toroid transformer

2006-01-10 Thread K3yt
Hello Daniel, As the Dons have spoken, let me add my $.02. The 1991 Handbook has a project in it for a 5 amp supply with variable voltage from 1.2 to 15 volts. It has a drawing (layout) for a board with the regulator on it. It is a good article because it uses almost all Radio Shack parts.