[Amps] Dual power supplies in EB104 4X MRF150 design

[Rob Frohne]

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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