[AMPS] Tube load resistance calculation

[Jon Ogden]

>where K is 1.5 for class AB, 1.57 for class B, and 2 for class C.  I'm not 
>sure
>how they get this constant, and I wonder if it has anything to do with the 
>duty
>cycle of the signal being amplified:  in other words, I wonder if these
>constants would be different for a CW or voice signal?  My guess is probably
>not.  Is this correct?

I think one could derive K from the math given in some of the more 
detailed textbooks than the ARRL handbook.  But I don't believe it has 
anything to do with duty cycle.  It is definitely a function of the class 
of operation.  Some folks use 1.8 for K, some 1.5, some whatever.  Sufice 
it to say that it is between 1.5 and 2!  

73,

Jon
KE9NA


--------------------------------------------------------------------------
The Second Amendment is NOT about duck hunting!


Jon Ogden

jono@enteract.com
www.qsl.net/ke9na

"A life lived in fear is a life half lived."


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