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.
KE5HPY's Altoids Direct-Conversion Receiver for 40 Meters
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Click on the image for a much clearer view.
*It is a thing of beauty. You can see all four stages in there. There is
the Bandpass Filter in the upper l...
3 hours ago
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