> Advanced Power Technology in Oregon is coming out with the ARF1500
> series of high voltage RF power MOSFETS. Due 4Q01, these monsters are
> for class C -->E operation, with 1500 watt dissipation limit. There is
> one operating point for the 1501 suggested at 900 watts output, 300
> VDC Vdd, 17 dB gain, at 27 MHz. For linear class AB operation, they
> now have a 150 Volt part, the ARF 463, for 100 Watts CW up to 100 MHz.
> Whats neat about the APT parts is that they offer them in mirror image
> packages for P-P layouts.
How is the IMD performance of the linear devices John?
We have enough dirty tetrode amps on the bands, I wonder if the
IMD of these devices is state-of-the-art in IMD? I know the class C
designs weren't good enough.
73, Tom W8JI
W8JI@contesting.com
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