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Originally Posted by prandtl
woah, actually if you want to throw your money out the window, build the ps in the link you give. It's a complete POS, 32,000uF ain't enough imo and using only caps for the filter is a dumb idea at best. If you are to build a linear ps, here is a better one . Keep in mind, linear psu have an efficiency of around 50%, often less, (as opposed to 70-80% for switching) so what you save buying or making one, you will pay on your electric bill. |
ok wow
1.) that first power supply, the 550w one, needs loading on the 5v rail AFAIK
2.) you need to learn a bit about pelts...they don't care very much about ripple current. IIRC, 6800uF was enough to keep the ripple within the manufacture's specs...there's a thread over at OC where I did the math, it's called peltier chiller cores, do a search