[Amps] 6M 8171

[DF3KV at aol.com (DF3KV@aol.com)]

 2@vc.net wrote:


> ?  The RL of an 8171 is c. 1200?, so, at 50MHz, a total C-Tune of roughly 

> 80pF is needed for a Q of 15.  Since the anode-screen C, stray C, and the 
> neutralizing bridge total c. 30pF, a 50pF Tune-C should do the job.   
> 

I guess that value of RL is at 15KW output power, so at 1500W
it will be much higher and C-Tune need to become  much smaller

73
Peter