All New K3s for some time have had this change made at the factory before they ship.
73, Eric On 3/8/2010 4:04 PM, Brett Howard wrote: > http://www.elecraft.com/K3/mods/K3%20rx%20protection%20mod,%20rev%20B.pdf > > That document explains a mod that you should definitely make sure is > in place in your radio if you're worried about this condition. I had > one of Q8 and Q9 blow in my radio after too much power came back in > from another operator who told me he *WAS* staying off of 20 meter > like to told him to do he was down on 14 meters! ;) Anyway we > replaced the Q and the rig came back to life. But if you view that > document it says that when you get to +13 to +20dBm it will > automatically engage the preamp for you. +20dBm is 100mW so that > would at least give you an added 10dB of protection on your way up to > the 1-2W realm. > > ~Brett (KC7OTG) > > ______________________________________________________________ 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
