I'll be reviewing power-settling behavior when I get a chance. Thanks for the report.
73, Wayne, N6KR Sent from my iPhone On Jul 18, 2009, at 8:38 AM, Björn Mohr <[email protected]> wrote: > On 9 jul 2009, at 16.02, Ignacy wrote: > >> There is an old problem still present on 3.19. AFter turning the >> rig on, in >> SSB the peak power starts at 30-70W and in a minute of transmitting >> rises to >> about 95W (when set to 110W). Measurements with LP-100 calibrated in >> factory. The initial power varies from time to time. >> >> Any ideas? > > This problem has been around for some time with my K3. What happens > for me is that when I set the power to specific level and push TUNE > the radio stabilizes at that preset level. Then when keying and > begin talking the power level is a lot lower that verified with > TUNE. After a few seconds the power peaks are in the vicinity of the > preset level, but sometimes peaks are reaching above the preset > level which makes me reluctant to mess with TXG VCE. Another > observation is that this problem is only with the PA in line, taking > power below 12 watts seems to eliminate the issue. > > Earlier the problem was reversed as power overshot the set level in > SSB, now I am less worried but seeing the issue solved would provide > some comfort when using the amp. > > I am also using a factory calibrated LP-100A to verify my > measurements. > > > 73 de Björn, > SM0MDG > SE0X ______________________________________________________________ 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
