Re: [Boatanchors] 12 volt supply question

2016-12-01 Thread Frank Barnes
I have used a 650 watt computer P.S. for many purposes with no real problems other than having to: 1) Filter & Shield for the RFI that it generates 2) Put a resistor load on one of the outputs so that the thing would be stable (as mentioned in an earlier email). But I think the best solution is th

Re: [Boatanchors] 12 volt supply question

2016-11-30 Thread Alex [Temple Boatanchors]
ATX PC power supplies are very inexpensive ($20-$30), highly efficient and very lightweight, and basically use the same concept as those modern lightweight "wall-wart" wall transformers. But due to their switch-mode nature they generate a great deal of RFI in the HF regions, specially the lower

Re: [Boatanchors] 12 volt supply question

2016-11-30 Thread RAY FRIESS
arke Sent: Wednesday, November 30, 2016 8:24 PM To: 'Jim Wiley'; 'RAY FRIESS'; 'boatanchors'; 'Old Tube Radios'; boatanchors@puck.nether.net Subject: RE: [Boatanchors] 12 volt supply question Sorry Jim, You need to take your exceptions to world realit

Re: [Boatanchors] 12 volt supply question

2016-11-30 Thread q...@kd4e.com
Yes, but ... You will need to adapt the connectors, perhaps add metering, and test for RFI. They generally work OK. The big ones designed for huge server arrays can power full legal SS amps. 73, David KD4E OK gang .. Can someone provide a definitive answer to this question? I see all kin