-------- In message <[email protected]>, Attila Kinali w rites: >On Tue, 20 Feb 2018 09:36:49 -0700 >Mark Goldberg <[email protected]> wrote: > >> I don't know anything about these devices, but for TCXOs, the power supply >> noise significantly affects the phase noise of the output. An LM317 is not >> well specified for noise and I expect is is orders of magnitude worse than >> something like an LT3042 low noise regulator. > >It's >30dB for broadband noise, according to Gerhard Hoffmann's measurement: >https://www.flickr.com/photos/137684711@N07/24070698809/in/album-72157662535945536/
Just to point out that you are rapidly heading down a blind alley from where this topic started: I was talking about driving the single-transistor UHF generator which ionizes the Rb in the lamp, so far I have not even established if this voltage affects the HP5065 performance in the first place. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [email protected] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ 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.
