dear Don, thank you very much for the clear and quick response! This is really not hard to do and I will report if it helps. (up to now all your hints were vy helpful ;-))
will this have a negative influence on the Mic gain in QRP mode? 73! de Werner OE9FWV Don Wilhelm schrieb am 17 Feb 2008 um 14:47: > > Part of those modifications is the KI6WX KSB2 Increased RF Gain Mod. That > mod worked fine with the QRP K2, but after the KPA100 was out for a while, > some folks noticed that they had the same problem that you describe when > the mod was installed. > > The problem is that the ALC circuits on the KSB2 board are being > overdriven. Add the following changes: > On the KSB2 board, 1) change R9 to 1.5k; 2) break the path from KSB2 > board P1 pin 6 to the base of Q1 and insert a 1k resistor from P1-6 to the > Q1 base. > > Those additions should calm the behavior down to normal. -- Murphy's 2nd Law of Computers: No matter how good a deal you get on computer components, they'll be half that price the week after you buy. Email powered by Pegasus Mail free at <http://www.pmail.com> Homepage: <http://www.qsl.net/oe9fwv/> Fone +43 5522 75013 Fax +43 820 555 85 2621 Mobile +43 664 6340014 Elecraft K2 #5203 _______________________________________________ Elecraft mailing list Post to: [email protected] 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
