Frank Gilliland wrote:
Especially with a high input impedance and large internal capacitance.
Try to run them puppies hard outside the recommended frequency range
and -=POOF=-!!!

Nonsense Frank... I have built amplifiers at 40MHz with these MRF173s
with no problem.
That's like saying since a 2N3055 has an Ft=2.5MHz... that you couldn't
use for an audio amp... or they would blow up... LOL

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