The FT-817 PA seems to be prone to overheating.
I have been running the 817 on 13.8V till now, and since it runs fine down to about 9V, I am thinking of finding a 10V regulator to take some heat out of the equation.
Will be looking for a 7810 IC, or possibly using the LM317 for that purpose.
More soldersmoke coming out some time here.
"The Art of Electronics" #8 -- Why Not a Simple Emitter Follower as The AF Output Circuit?
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Click on the image for an easier read
*Back when Dean KK4DAS and I were trying to find a suitable AF amplifier
circuit for our High School Direct Conversi...
4 hours ago
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