[Amps] 6 mtrs:

[Steve Thompson]

Gudguyham at aol.com wrote:
snip  They may rate it to 30mhz, but  they do work at 50mhz.
> If I was to have to answer the question "WHY", I  guess something has to be 
> said for the fact that we are using a SINGLE band tank  circuit, which holds the 
> stray "C" and "L" to a minimum ie..no long leads going  to  a tank circuit far 
> away from the load and tune caps.

I'd add to that list - in a multiband amp the tune C itself 
contributes vhf resonances because of physical size. I suspect 
it's the dominant factor.

Steve