Hi The spectrum plots and scope plots do not look like a blocking oscillator. They look very much like an internal spur generated by something in the circuit taking off at low frequency.
Bob > On Mar 1, 2016, at 10:09 AM, Alex Pummer <[email protected]> wrote: > > sometimes high frequency oscillators could get in certain mode of operation > the "blocking oscillation" see here: > https://en.wikipedia.org/wiki/Blocking_oscillator, also it could happen, that > the high frequency oscillation does not stops entirely, just undergoes an > amplitude fluctuation, that could cause side bands on both side of the > carrier. Blocking oscillation could happen because of to strong positive > feedback -- due to design error or component error. The dumping of that > product on e-Bay also could be a sign of a to late recognized error > 73 > KJ6UHN > > On 2/29/2016 2:04 PM, Gregory Muir wrote: >> Not sure if I am missing something here or not but an early mention was made >> regarding synching the test equipment used to the 60 Hz line to see if the >> purported 60 Hz anomaly is actually synchronous or asynchronous. I haven't >> heard anything regarding this since then. >> >> Greg >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> >> ----- >> No virus found in this message. >> Checked by AVG - www.avg.com >> Version: 2016.0.7442 / Virus Database: 4537/11724 - Release Date: 03/01/16 > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
