On 5/19/2015 4:43 PM, Denny Esterline wrote:
> Might consider suggestions for a step down power supply that will accept
> 240V AC or DC and put out 120V at about 7 amps to run the version I can g=
et.
>
> Willing to consider more "out of the box" ideas if anyone has any.

- Autotransformers are significantly smaller and cheaper than similarly=20
rated isolation transformers (less copper.) This would work for AC.

- Rectify and chop DC. This sounds like a safety issue.

- Start with a 48v DC SMPS rail and boost to 120v DC out.

- Different drill: http://r.ebay.com/HgE9be


-
Martin



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