[Elecraft] Unusual Behavior K3S / KPA500 Drive Power Greater Than 12 watts

[David Box]

Tony, Have you checked the K3s power out, at 12 W the K3s switches from the internal LPA to the HPA. 
de Dave K5MWR 


On March 4, 2020 12:48:09 AM CST, Tony <dxdx at optonline.net> wrote:
>All:
>
>I've noticed an unusual thing happen with my K3S and KPA500 amplifier 
>while in SSB mode. When I increase the K3S drive beyond 12 watts, the 
>KPA500 power drops-off dramatically. This only happens in SSB mode.
>
>The KPA500 functions fine with other transceivers as well so the 
>condition appears to be unique to the K3S. Any suggestions?
>
>Tony
>
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