Was this not covered in a "HAM RADIO" article back when HR was still
in the small format????
Art
Jon Ogden wrote:
>
> Thanks to values given to me by Carl for the B&W 850 tank coil, I have
> found that I have no idea what sort of circuit B&W designed this for.
> Here are the values:
>
> Band L
>
> 80 13.6
> 40 6.5
> 20 1.75
> 15 1.0
> 10 0.8
>
> Now I have just created a spreadsheet for Pi-networks where I can vary
> the tube impedance and the Q of the Pi-net. I can't find a combination
> where the L needed in the circuit matches what B&W provides. It is
> certainly screwed up for my 4-1000A impedance of around 5000 Ohms.
>
> What gives? Am I missing something?
>
> 73,
>
> Jon
> KE9NA
>
> -------------------------------------
> Jon Ogden
> KE9NA
>
> http://www.qsl.net/ke9na <--- CHECK IT OUT! It's been updated!!!!!
>
> "A life lived in fear is a life half lived."
>
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