[RFI] 160m-5mhz noise?

[Sam Morgan]

Jim Brown wrote:
> On Thu, 5 Nov 2009 21:39:46 -0500, Charlie Gallo wrote:
> 
>> switch mode supplies CAN be made to be as RF quiet as any linear supply.
> 
> Yes, if you're the designer and manufacturer. There's considerable 
> detailed design advice in Henry Ott's new book. But a nasty twist -- 
> boards are built and EMC tested with suppression components, but products 
> are shipped with those components missing (and, of course, WITH the EMC 
> compliance stickers).
> 
and this is legal how?
-- 
GB & 73
K5OAI
Sam Morgan