Some. I was planning on sending an email to Elecraft support with the s/n of my K3s to see if I needed the mod. The difference I’m seeing in signal strength is about 20+ dB. Is it normal for the if-out to be weaker than a direct connection to the antenna? 73, Fred AE4ED
On Fri, Oct 4, 2019 at 12:44 PM Don Wilhelm <[email protected]> wrote: > Fred, > > Have you looked the K3 IF Output mod? > > https://ftp.elecraft.com/K3/Mod%20Notes%20Alerts/IF_Output_Buffer_Gain_Mod_Rev_A.pdf > > If you don't have the 13k SMD resistor or a 1/8 watt 13k resistor, you > can order the kit from Elecraft. > > 73, > Don W3FPR > > On 10/4/2019 1:24 PM, Fred Massey wrote: > > Good afternoon Wes and all, > > > > If I connect the antenna directly to the QSR-1, I get the same signal > level > > as the K3s. But, when I connect to the QSR-1 to the IF-out, the signal > is > > about 4 s-units less. > > > > Any ideas...anyone? > > > > Fred > > > > On Thu, Oct 3, 2019 at 4:14 PM Wes <[email protected]> wrote: > > > >> I use an SDR-IQ on the i-f output on my (very) early K3S. it works > fine. > >> IIRC, > >> always a dubious proposition, I did the mod on my original K3 and it > >> worked well > >> too without any additional amplification. I think you have another > >> problem. > >> > >> Wes N7WS > >> > >> On 10/3/2019 2:01 PM, Fred Massey wrote: > >>> Good afternoon, > >>> > >>> I have successfully connected my QSR-1 to my K3s if-out, and > immediately > >>> noticed the signal strengths showing on the QSR-1 were much weaker. I > >>> probably have an early K3s, so the if-out signal strength is even > weaker. > >>> > >>> Any recommendations at a good preamp to use? It seems like 20db is > what > >> I > >>> need: > >>> > >>> 73, > >>> Fred > >>> AE4ED > >> > >> ______________________________________________________________ > >> 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 > >> Message delivered to [email protected] > > ______________________________________________________________ > > 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 > > Message delivered to [email protected] > > > ______________________________________________________________ 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 Message delivered to [email protected]
