[Elecraft] KPA-500 AM Performance?

I was wondering about the Performance of the KPA-500 in AM mode of operation? There are no spec's on the web site that I have seen as of yet. Does anybody have any experence using it in this mode or can shed some light?   Dave Purola, N8NTA

Re: [Elecraft] KPA-500 AM Performance?

Hi Dave, I have used my KPA500 on AM, I keep it down to around 200W on modulation peaks and I've had some superb quality reports, you can't do better than a good class A amp!. Remember not to rag chew for hours as it will get warm... Best regards, Tim Hague, M0AFJ Skype m0afj.Tim Sent on my

Re: [Elecraft] KPA-500 AM Performance?

We all know that in AM mode the K3 sets carrier power at 25% of the power set with the PWR control. Can anyone confirm that the K3 switches in the 100W PA in AM mode when the PWR is set at 13 watts or greater even though the actual carrier power is limited to approximately 25% or 3+ watts? I

Re: [Elecraft] KPA-500 AM Performance?

Chuck, The power knob is set to the PEP value, not the carrier power. Since you hear the relay click, the 100W PA is switched in. The AM carrier level and sideband level is controlled by the math functions in the DSP so that the PEP is the same as the setting on the power knob - yes, the