[Amps] P-L with toroidal core

[Roy Koeppe]

About...

"Hi All

I homebrewed the power amplifier with the gu 78 .
 This amplifier utilize a PL tank circuit .
For increase the separation between L1 and L2 , I would like to utilize
for L2 a toroidal core .
My difficulty is to select the suitable type  toroidal core for not
meet in a dangerous saturation .
This aplifier is measured for 5KW power out .
 Sure for your assistance , many thanks in advance and very good holiday
everybody"

Luca        ik5tsw at virgilio.it


Luca,

For that power, three of the common T-200-(Red) stacked powdered iron
cores should be just right. Or a comparable mass single core. I'm
assuming the HF bands and a 50-ohm load.

73,     Roy     K6XK