[AMPS] Dope question

[measures]

>
>Phil asks;
>
>>But can someone explain to me why you can or can't use a linear on AM?  
>
>You can. As the PEP is 4 times the carrier power for 100% modulation, a
>linear rated at 1600w PEP out should only be driven to 400 watts of carrier.
>You also need to make sure that the rating of the amp is such that it can
>produce continuous carrier at one quarter of the PEP - sweep tube amps, for
>example, tend to over-run the tube on the basis that the peak to average
>ratio is low, and you can get away with it. Carrier is another matter -
>especially as atrue AM op. is supposed to lock the PTT down for a 20 minute
>monologue.....

Life is far too short for typical AM lock-to-talk monologues.  . 
>
>cheers, Peter. 

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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