[Elecraft] [K3S] KLPA3A vs LPA

[Don Wilhelm]

Pat,

I do not believe they are interchangeable.  Contact support at elecraft.com 
and they can provide some test points to help analyze the problem.

73,
Don W3FPR

On 12/21/2020 11:36 AM, Ing. Pasquale Speranza wrote:
> I have a problem on my K3S. Suddenly in SSB the radio started producing
> splatters. It is very evident when comparing with a K3. Trying with spectrum
> analyzer in CW the wave is perfect, the phase noise also ok. The problem
> persists excluding the KPA3A. The ALC control seems to be ok. It's likely a
> failure in the KLPA3A driver card. For troubleshooting can i insert the LPA
> card of the K3 in the K3S ? Are this cards interchangeable ? Thanks