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

[Oleg Skydan]

Hi, Rick!

Try to look for the 24V/20A supplies and use two with series connection...

Kind regards,
Oleg
73 de UR3IQO

----- Original Message ----- 
From: "Anthony Rick" <asrick at gmail.com>
To: <amps at contesting.com>
Sent: Monday, April 07, 2008 7:34 PM
Subject: [Amps] Dual power supplies in EB104 4X MRF150 design


> 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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