[TenTec] Strange FD RFI
Al Gulseth
wb5jnc at centurytel.net
Mon Jun 25 19:36:22 PDT 2012
Kim,
May be "apples and oranges" here, but have you ever looked at the AC waveform
at the base of a typical cheap CFL on a scope? It's not pretty - the
switching PS in them puts a lot of garbage back into the AC line. I'm
wondering if something in your FD setup caused the '1000D switching PS (AFAIK
it uses a switcher) to send some "hash" that might normally be suppressed
back down the AC feed to your rig's PS to upset it.
'Nuther thought - were the external PSes at the other positions linear or
switchers, or a combination? What brands?
Or, it might be a plain ol' RF issue....
73, Al
On Mon June 25 2012 8:26:58 pm Kim Elmore wrote:
> I'll pop this out here to see if anyone has any good explanations for
> what I experienced.
> ....
> Has anyone ever heard of anything like this? Is there something
> unique about the FT1000D power supply or the rig itself that causes
> stuff like this?
>
> Kim N5OP
>
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