I noted a similar issue and found that increasing the power supply voltage a bit returned full output. I think I have about 14.2v at the rig in receive mode. This was before I updated the synths so I don't think it's related to that.
Vic 4X6GP/K2VCO > On 9 Jan 2016, at 6:09 PM, Bruce Meier <beme...@bellsouth.net> wrote: > > Today I noticed that the output power on 15 meters does not reach 100w. The > max, according to the front panel meter reading, is 93w. So, I ran the > transmitter gain calibration and it did not help. I decreased the power to > 90w and it reached 90w, so I gradually increased the power and it is fine up > to 93w. When set to 94w and above the max output is 93w. I checked all > other bands and with the exception of 17 meters they are fine. The same low > power output occurs on 17 meters. > > I then tried my other K3 going through the exact same testing order and > received the exact same results. They are both the exact same configuration. > > Specifics: > > - testing into both a dummy load (2 different ones) and 3 different 15 meter > antennas > - both K3 rigs are running latest firmware (5.38 / 2.86 / 2.86 / 1.25) > - The power supply voltage at the rigs is 13.8 and drops to around 13.0 when > in transmit > - Reran the Transmitter Gain Calib - no help. > > NOTE: The new KSYN3As were just installed in both rigs including the second > RX (2 weeks ago) > > Suggestions? > > 73, > Bruce-N1LN > > > ______________________________________________________________ > 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 k2vco....@gmail.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
