[RFI] 160m-5mhz noise?
k5oai.sam at gmail.com
Fri Nov 6 03:14:37 PST 2009
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
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