G'day, > Sounds like both K2's I have had. 38xx and 44xx. The output jumps all over > the place. My amp does not like it either. When I posted about it, the > response I got was that is "normal".
If this is the often reported O/P power change then yes this is "normal", however, it shouldn't be. The problem is really only apparent when the KPA100 is installed so QRP ops will not notice it. The cure is the change in value of one resistor in the ALC loop. I'm not near any documentation so I can't tell you the resistor designation. There is a test procedure on the Elecraft web site to optimise the value but I believe in most case just changing the value to 1k-1.2k ohms does the trick. Just make sure you have at least 10W output on 10 metres before you do it. I'm surprised that at this stage of product maturity the problem still exists in new kits. Regards, Mike VP8NO _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
