Congratulations, Mike! Please let us ALL know how it goes, as we of the K2 clan learn something with every post.
73 Eric WD6DBM On Sun, Jun 28, 2020, 2:12 PM Mike Kopacki <[email protected]> wrote: > Well, that gives me something to do! I’ll let you know how it goes. > > Thanks, > Mike NJ2OM > > > On Jun 28, 2020, at 4:41 PM, Don Wilhelm <[email protected]> wrote: > > > > Mike, > > > > Congratulations on finishing the K2/100. > > > > On the power output variation, that is not normal. > > First check the voltage delivered to the K2 while in transmit. > > You should do that by tapping DISPLAY and scrolling to the voltage > display. Your power source should provide at least 13.8 volts, but higher > (up to 15 volts) is better. If the voltage shown by the K2 display during > transmit is less than 12.6, make certain all power cable connections are > tight. > > > > If the power supply voltage is not the problem, then remove the KPA100 > from the base K2 and realign the bandpass filters. Connect a dummy load to > the base K2 BNC ANT jack. After that, check the maximum power from the > base K2 - you should have at least 10 watts on each band. Record the power > for each band. > > > > Using a dummy load takes away any question about your antennas. Always > check into a dummy load - with an in-line wattmeter if necessary. > > > > The other possibility is that you have a problem in the Low Pass Filter > in the KPA100. To check for that, re-install the KPA100, but power the > base K2 from the coaxial power jack (no power to the KPA100 - connect the > dummy load to the SO2339 jack on the KPA100. > > Again check the maximum power on each band from the base K2. It should > be no more than 5% less than you found with the base K2 only. > > If there is a substantial difference in power, then check the KPA100 Low > Pass Filter - particularly checking the number of turns on the toroids. > > > > 73, > > Don W3FPR > > > > > >> On 6/28/2020 4:04 PM, NJMike wrote: > >> I did notice a variation on the power output on different bands: > >> 80m - 100w > >> 40m - 100w > >> 20m - 80w > >> 15m - 50w > >> 10m - 30w > >> SWR was never above 1.3-1. > >> Does that sound normal? > ______________________________________________________________ > 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]
