[Amps] Super Cathode Driven Tetrodes

[Steve]

I don't know if it's exactly what you're thinking of as 'super cathode' 
but the guy here
https://www.tapatalk.com/groups/marc/a-6-meter-400w-linear-t25.html
has something along those lines which he seems to think works just fine.

Steve G8GSQ

>  Someone had posted that Super Cathode Driven amplifiers are unstable.
> 
> Can someone elaborate on that notion?
> 
> 
> It does not make since due to lower gain and that screen grid is directly 
> connected to ground.
> 
> I hope in the future to do some experimentation on this design. Goal is one 
> 4CX300Y driving 3ea
> 
> for legal limit. Neat thing is that just about all the tx, driver power finds 
> its way to the output.
> 
> This tube has 400Watts plate dissipation.
> 
> 73
> 
> Bill wa4lav