Hi, Here is a quote of my response to the exact same question in 2017:
"Hi, According to the ARRL review in November, 2dB! Deaf no more. AB2TC - Knut" That was from this thread: https://marc.info/?l=elecraft&m=149365913804929&w=2 There was a fairly long follow up discussion that was quite informative (e.g. the chip used is capable of much better performance in a manufacturer's test circuit, but in a practical amplifier will do slightly worse). AB2TC - Knut stengrevics wrote > Does anyone know what the preamp 2 noise figure is on 6 meters? I have > not been able to find it in the owner's manual or in Fred's book. > > Thanks, > > John > WA1EAZ Dave Sublette-2 wrote > Does anybody KNOW what the noise figure is for the 50MHz preamp on the > K3s? It isn't listed in the specifications. > > I need to know in order to make system noise figure calculations. My > feedline is going to be long (low loss, but long) and I'm trying to > determine if I will need a preamp mounted at the antenna. > > Thanks, > > Dave, K4TO > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto: > Elecraft@.qth > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to > lists+1215531472858-365791@.nabble -- Sent from: http://elecraft.365791.n2.nabble.com/ ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
