I would have to make the measurement again with the HP supply off. I have measured my Rubidium and my GPSDO and never seen anything like this spectra of close-spaced spurious. I'll send you some more data direct. Rob NC0B
-----Original Message----- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Hal Murray Sent: Saturday, February 27, 2016 3:32 PM To: Discussion of precise time and frequency measurement Cc: hmur...@megapathdsl.net Subject: Re: [time-nuts] Inside a CTS 1960017 OCXO r...@nc0b.com said: > I cannot say exactly, as I measured it as 59 Hz. VA7OJ measured it as > 60 Hz. I was using an HP lab supply, and Adam was using some other lab > supply. > I put a 500 uF capacitor across the Vcc pin and it had no effect. I > don't think it has anything to do with the power supply since both of > us saw the same thing. ... How much line noise is floating around the lab? What does the spectrum analyzer see if you power off the DUT? -- These are my opinions. I hate spam. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- If this email is spam, report it to https://support.onlymyemail.com/view/report_spam/ODExMjI6MTg1NzM5OTk5ODpyb2JAbmMwYi5jb206ZGVsaXZlcmVk _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
