SOLVED!
Just replaced the 400w supply with a 300w that I had in the junk box.
Both foreign cheap
units, but that's all the local PC shops seem to carry (at least at my
QTH). The replacement
is nicely quiet ... and a lot easier fix than what I was dreading!
Now that I can hear the radio properly, back to doing the remote audio
with HRD.
Thanks for the help!
Alan
------------------------------------------------------------------------
Alan D. Wilcox wrote:
Hello,
I gave away the feeble old PC I had by my radio equipment and replaced
it with a newer one ...
Now I have S9+ noise wiping out 20 and 30 meters.
Using same keyboard, mouse, monitor; just the PC in a new case.
Evidently it has a
noisy switcher supply in it. Tried 110V in-line filter, also different
110V house circuit,
but still have noise. Grounds don't help. Don't happen to have a box
of toroids for chokes.
I've got an old PC supply or two in the junk box, but hoping something
else might fix.
Any thoughts on an easy fix?
Thanks,
Alan
Alan D. Wilcox, W3DVX
570-321-1516
http://WilcoxEngineering.com
Williamsport, PA 17701
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