[Elecraft] KDSP2 - strange problem

[Bob Nielsen]

On Tue, Jun 24, 2003 at 01:36:00PM -0700, Douglas Westover wrote:
> Well, its probably not the KDSP2's fault, but
> since installing it I've encountered a problem
> that I hadn't seen before. I have a KPA100/
> KAT100 mounted in a separate EC-2 enclosure.
> If I load into an antenna with an SWR in excess
> of 3 or 4:1 the fan on the KPA comes on and the
> KDSP2 comes up as "not inst". Powering down
> and back up restores every thing to normal. 
> 
> This must be some sort of RFI problem, but just
> what is being affected isn't clear. Would the new
> KPA 100 shielding be a solution? Since the KPA
> is in its own enclosure I wouldn't think so but who
> knows?
> 
> Any suggestions appreciated.

This has been seen by a few others and appears to be related to auxbus
timing.  Lyle has revised the firmware and it is currently being
tested.  I expect that something will be announced fairly soon.

Bob, N7XY