Guy -- > Key-down tuning for QRO is a no-no, as is RTTY. They spec the power > supply at 22 amps -->> 25% duty cycle <<-- or 5 amps continuous. 12.5 > volts times 5 amps is 62.5 watts. If one figures in the usual 50% > efficiency of transistor rigs, that's 31 watts brick on key, a figure > that will be need to set as a tuning power limit in an auto-tuner rig. > Probably better to say 25 watts continuous and enough to drive an amp > that drives with 50-60 watts, IF the amp can be tuned at half power. > Otherwise, tuning the amp would require a pulser or string of dits. >
You're right on with the 30 watts key down; I just did the experiment. It's nice that the KAT100 tunes with 20 watts, and quickly at that. ____________________________________________________________ GET FREE 5GB EMAIL - Check out spam free email with many cool features! Visit http://www.inbox.com/email to find out more! ______________________________________________________________ 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
