[Amps] Alpha 77dx L5 help

Ron W4BIN ka4inm at gmail.com
Mon Dec 2 23:44:13 EST 2024


   Mr. Greg K1YW wrote:

> I have a friend in Thailand who recently zorched out L5 in his 77DX. 
> Believe it or not, a small lizard got into the tank circuit and when 
> he was tuning on 80 meters, L5 got extremely hot - to the point of 
> cracking both of the torroidal cores! Does anyone know what specific 
> cores were used or if not, what the approximate value of inductance 
> that L5 should be? I assume these are iron powder cores. I'm trying to 
> help him remotely or perhaps send him a replacement

   If they are broken in two (or more pieces) I have a friend that 
swears that after gluing broken
powered iron cores back together they work just as good as new, after 
being epoxied back together,
Clamp them together while the epoxy sets.  (a radiator hose band might do)
-- 


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