[Amps] Suggestions for new Alpha Owner?

Joe Subich, W4TV k4ik at subich.com
Tue Sep 27 18:54:54 EDT 2005


Rich wrote: 

> > I did read where 24 MHz is not recommended because 
> > of a HV plate choke resonance issue at 25 MHz.
> 
> The lowest resonance in the 50uH HV RFC is c. 43MHz.

Absolutely WRONG!!!! 

The Alpha amplifiers in the 76, 78, 374, etc series were 
intentionally designed with a choke resonance around 25 
MHz to prevent their use on 27 MHz.  This information 
comes directly from the designer ... one of those "experts" 
you deride and disparage. 

73, 

   ... Joe, W4TV 








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