[Milsurplus] Quieting A DC/DC Converter

[Jim Whartenby]

Two questions on this item:What is the black cube between the input and output connectors?At what frequency is this driver board operating?
I think that a lot of the mass produced control transformers have welded E&I cores and may have efficiency trouble at frequencies much higher then line frequency.  Then there is the need for a 24 volt center tapped winding.Jim

      From: David Stinson <arc5 at ix.netcom.com>
 To: 'Milsurplus' <milsurplus at mailman.qth.net>; ARC-5 <arc5 at mailman.qth.net> 
 Sent: Saturday, January 20, 2018 4:51 PM
 Subject: Re: [Milsurplus] Quieting A DC/DC Converter
   
I can't wait to get one of these "Inverter Driver" boards.  Several suppliers at varying prices, but all cheap.
https://www.ebay.com/p/1374526604
300W capacity.  Get a center-tapped transformer, drive it with one of these and away you go.  We got some cool toys these days.

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