Agreed. AM with carrier set properly to 25% of peak power (1500 * 0.25 = 375 W
max carrier ) is no strain for the 1500. With the normal variations of the AM
speech envelope between the 235 W carrier and the peaks at 1500W, the amp is
loafing along at any key down time. :-)
Eric
/elecraft.com/
On 2/15/2018 3:27 AM, Richard Lamont wrote:
On 15/02/18 11:12, Bill wrote:
How well will the KPA1500 do on AM during very long-winded QSOs? I
currently use my KPA500 on AM and it does fine - albeit a little noisy
in the fan department. For information only: The K3 garners excellent
audio reports on AM.
To prevent flat-topping at 100% mod, for AM the carrier power should be
no more than 25% of the peak envelope power. So I would imagine both
amplifiers would do AM without the slightest difficulty. (I don't work
AM myself so haven't tried it.)
73,
Richard G4DYA
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