Assuming the Power Supply is sufficient, the next thing you should do is the KX3 + KXPA100 Power calibration. I did this for a fellow ham and it solved a similar situation: https://ftp.elecraft.com/KX3/Mod%20Notes%20Alerts/KXPA100+KX3%20Power%20Cal%20rev%20A.pdf
Tim On Wed, Oct 26, 2022 at 9:10 AM Greg Troxel <[email protected]> wrote: > [reposted because the list blocked an OpenPGP/MIME signature] > > Kyle Krieg <[email protected]> writes: > > > In more troubleshooting, I'm finding that when I switch my KX3 to PA mode > > ON, the KX3 is only putting out around 2 to 3 watts output to the > KXPA100. > > > > But then when I swtich the PA mode to off and change the power button to > 5 > > to 15W output, the correct amount of RF is output from the KX3. > > > > Is there a setting to boost the power when PA mode is on? > > There is a feedback loop on output power, and I would expect drive to be > adjusted for that. It seems like the KXPA100 is perceiving that output > power is higher than it is. Either that or your power meter is off the > other way. > > What happens if you command the output power to 20W, 50W, 75W when using > the KXPA100? > ______________________________________________________________ > 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] > -- Owner, worldwidedx.com AE6LX, Amateur Radio ______________________________________________________________ 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]

