If using a two tone oscillator is the best way to tune a tube amp, would it be possible for the K3's firmware to generate this?
On Thu, Jan 19, 2012 at 9:37 PM, Sandy <[email protected]> wrote: > If you are interested in doing the job totally "right" when using SSB, the > only way to be assured of good linearity in the amplifier, is to use a > two-tone test oscillator fed into the audio input and a monitor > oscilloscope > that gives a trapezoidal test pattern. Yes, I know a lot of people use a > CW carrier to do that and are successful at least some of the time. It is > easy to mistune this way and NOT get good linearity and maximum `PEP output > however. This degrades your signal and often times may disturb QSO's up or > down the band with non-linearity products. > > Cheapest test scope used to be the Heathkit SB-610 which has a built in 2 > tone test oscillator. I think Yaesu and Kenwood also made these as well. > Once you get used to the procedure it is easy and fast and assures a very > clean and potent signal. > > 73, > > Sandy W5TVW > -----Original Message----- > From: Ian Kahn - Ham > Sent: Thursday, January 19, 2012 9:51 PM > To: [email protected] > Subject: [Elecraft] Tuning AL-811H > > I have a question about tuning an AL-811H amplifier with my K3. When I > used my FT-857D in the shack, I would tune to the antenna in FM mode. > However, I don't have the FM filter on my K3. I tried tuning the amp > using AM, but I don't have that filter either. So, what is the best > mode to use that allows me to briefly transmit an uninterrupted carrier > so I can get this amp set up and the settings written down? BTW, after > going through this, the saving for the KPA500/KAT500 will soon begin. > > Thanks everyone for the assist. > > 73, > > --Ian > Ian Kahn, KM4IK > Roswell, GA > [email protected] > K3 #281, P3 #688 > > ______________________________________________________________ > 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 > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.1901 / Virus Database: 2109/4754 - Release Date: 01/19/12 > > ______________________________________________________________ > 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 > ______________________________________________________________ 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
