Clark, set the audio driver to ASIO.
Tony KT0NY
On May 25, 2015 3:54 PM, engineercm clark.macau...@gmail.com wrote:
Today I set about to get my new sound card/K3/LP-Pan 2/NAp3/new shack
computer working in harmony. Alas, it was not to be.
I've got the levels set correctly (thanks to Larry) and signals are
apparent
on the band. What is perplexing is what I have named The Blob (see
attached
screen shot). It is: on all bands; moves in Free Mode NaP3) and is
centered around VFO A marker with about 1/3 of the Blob lower in frequency
and 2/3 higher than VFO A. It makes me wonder if there is something in
the
IF signal from the K3 to LP-Pan. The S-meter on the K3 says it is S3-4 in
the Blob. I've searched for a setting in the K3 that I've overlooked but
nothing. It is so strange to see a symmetrical shape to the Blog--like it
is being shaped by a filter. If this is true picture of the spectrum at my
QTH, then I've got huge problems outside.
The sound card is a U5 set to 192 Khz. Computer is a W7 64-bit. Turning
the LP-Pan attenuator ON does reduce the amplitude but but does not
eliminate the Blob.
I had just completed a noise audit of the QTH and found some switching
power supplies that have been fixed with cores. This picture, however, is
much worse than previously so something has changed. Just want to rule
out
a K3/LP-Pan 2 problem.
I'm going to cross post this on the Elecraft and LP-Pan reflectors.
Any thoughts and suggestions would be greatly appreciated.
Clark/WU4B
--
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