Hi Anthony,
I would suggest if you keep shopping on ebay you will come up with a 48
volt 50 amp supply for cheap. I purchased a Lambda supply like that on
ebay for around $50 if I recall right.
73,
Rob
On Mon, 2008-04-07 at 11:34 -0500, Anthony Rick wrote:
> Hi all,
>
> I'm working on building a solid state amp based on the EB104 design, and
> cheaply. The only constraint that is causing problems is the power
> supply. It appears that a single 50V/20A is going to be pretty expensive
> while 48V/10A supplies are readily available as telecom surplus for pretty
> cheap. Looking at the EB104 schematic (
> http://www.communication-concepts.com/eb104.htm) it seems probable to power
> each MOSFET pair from a separate supply with only the need for an additional
> isolation capacitor.
>
> Unfortunately the supplies I am seeing, usually Lambda, are not designed for
> parallel operation so that easy alternative is not an option.
>
> Any thoughts?
>
> Thanks,
>
> Anthony
> NR9R
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