Re: Wattage Draw - K3S/100 vs KPA500/KAT500 - for UPS

Posted by Phil Kane-2 on Aug 30, 2017; 6:22pm
URL: http://elecraft.85.s1.nabble.com/Wattage-Draw-K3S-100-vs-KPA500-KAT500-for-UPS-tp7633842p7633870.html

On 8/30/2017 10:56 AM, Mike Maloney wrote:

> At 650W output into 50 ohm load, highest VA recorded was at 14.1 MHz
> at 1166.  Watts 974 with a pf of 0.83 or 83%.   AC input amps 10.3.
> Awesome!

I don't have a KPA500 (but I do have a KPA100).  If it is running as a
true linear amplifier (Class A) maximum theoretical efficiency is 50%.
I'll let the designer(s) thereof kick that around.  What do I know - I'm
just a (lowly) EE (with 60 years' experience).  :)

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to [hidden email]