Hi Glenn, I have purchased both of these DC-DC power converters and have been very happy with them. They both have an adjustable output set voltage and seem to have very good regulation. The only issue is with RFI that they generate. The good news is that they are pretty well shielded in aluminum cases. But their is stil some leakage from the power connections but I have found that attaching good quality ferrite beads on the power connectors to pretty much eliminate this as well.
http://www.ebay.com/itm/Low-Ripple-CC-CV-Car-Power-Supply-Module-LED-Driver-DC-DC-8-30V-to-2-16V-80W-/251112762798?pt=LH_DefaultDomain_0&hash=item3a777cadae http://www.ebay.com/itm/DC-DC-150W-Non-Isolated-Booster-Voltage-Converter-6V-32V-Step-Down-to-0-8V-28V-/260968513486?pt=LH_DefaultDomain_0&hash=item3cc2ef7fce YMMV and I am sure that their are many other equally fine Regulators out there.... -- Thanks Jon KG6VDW ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html