That's very high efficiency for a solid-state amplifier. Are they
operating in class C? Are there any IMD specs at those output levels?
73,
Scott K9MA
On 2/11/2020 03:18, Edward R Cole wrote:
I checked the operating specs on two of my QRO amps. Not a KPA500.
2m-1500w PA using a MRF1K50 in class AB:
945w 1398w dc 67% eff 453w disp
1511w 1888w dc 80% eff 377w disp
2m-1200w PA using a MRFE6VP61K25H in class AB:
566w 1200w dc 47% eff 634w disp
1133w 1542w dc 73% eff 409w disp
less heat dissipated when running full power RF ouput.
Both are W6PQL amps.
73, Ed - KL7UW
http://www.kl7uw.com
Dubus-NA Business mail:
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Scott K9MA
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