[Elecraft] KPA1500 Solution to the efficiency problem?

[Eric Swartz - WA6HHQ, Elecraft]

Yes, the 1500 PA voltage is regulated.

73,
Eric
elecraft.com
_..._



> On Aug 31, 2019, at 7:33 AM, Andy Durbin <a.durbin at msn.com> wrote:
> 
> "If we decrease the drive power to lessen the output power but keep the same voltage, the amplifier wants to see a higher load impedance."
> 
> Is the PA Voltage of the KPA1500 regulated?  The KPA500 PA voltage can vary about 20 V (80 V unloaded to 60 V at max PA current).
> 
> 73,
> Andy k3wyc
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