[Flexradio] SAM Problem
Gary Carter
gcarter01 at triad.rr.com
Fri Jul 17 20:25:02 EDT 2009
Updated last night to the latest PowerSDR software 1.18.1 and the latest
1.3.06 firmware for my Flex 5000A. Ran the RX level and image
calibration tests and everything passed (of course with new database).
No problems detected so far except noise blanker performance doesn't
seem to be as good as previous versions, and the synchronous AM
detection now seems to have a severe AGC problem. When I switch to SAM
all seems well. But when I transmit and return to receive it's as if the
receiver gain has been reduced by half. If I switch to sideband and then
back to SAM the receiver sounds fine initially, then sounds as if the
gain starts reducing on its own. This happens when there is no AM signal
on the band. I've tried it on 6 meters and 10 meters and the result is
the same. Anyone else run into this problem? Running on a quad core PC
with 32 bit Vista.
Gary - WA4IAM
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