On 2011-05-11 10:16 AM, Don Wilhelm wrote: > Stan, > > Of course it can be driven by lower power. The KPA500 is a linear > amplifier. If 40 watts in produces 500 out, then 20 in will give 250 > out and 10 in will produce 125 watts. If the relationship is otherwise, > then it is not acting as a linear amplifier. The same thing should be > true for any linear amplifier - that is the definition of linear operation. > > 73, > Don W3FPR Um, linear with respect to power, or linear with respect to voltage? Assuming a resistive load, P = I*I*R, or E*E/R. I *think* a "linear amplifier" means linear with respect to voltage (or current).
If I'm wrong, I expect that I will be promptly corrected! Jim K7KK ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
