[R-390] Z503 Question

[Gord Hayward]

>
>
>Other than the fact that Art made it, it is failure prone, and unobtanium what makes Z503 so special?  If it was a transformer that would make some sense.   But other than perhaps having a high-Q why can’t it be replaced with another variable inductor and capacitor combination?  
>
I did and it works. But its not original. I put it in its original can 
like those who
steam the ukkumpucky out of the GI electrolytic cans (I didn't go that 
far when
I replaced those).
Cheers, Gord, VE3EOS.

-- 

Gordon L. Hayward, Ph.D., P.Eng.,
Associate Professor, Biological Engineering,
School of Engineering, University of Guelph,
Guelph, Ontario, N1G 2W1.