[Johnson] Amp advice

Paul Baldock pbaldock at verizon.net
Sun Oct 30 01:36:02 EDT 2005


At 07:19 PM 10/29/05, Jim Brannigan wrote:

>The rule of thumb is to run an AM linear AMP power input at no more 
>than the plate dissapation of the tube.  For a 3-500Z that is 500 Watts.

Would a better rule of thumb be to run the linear output at 1/4 of 
the max output available on SSB, because a 100% modulated AM signal 
produce 4 times the carrier output in PEP?

So if you can get 1000WPEP on SSB then run the output up to 250 watts carrier.

Paul



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