Its only necessary (as NIST have shown) to cool the splitters to reduce the correlated or anti-correlated noise between the outputs. Everything else can run at ambient temperature.
Bruce > On 21 August 2019 at 18:49 ed breya <[email protected]> wrote: > > > That's quite an impressive system. I guess it's a few generations beyond > my 11729C. > > One way to get overall performance to the limits of room temperature kT > noise level, is to lower the T where you work. I wouldn't be surprised > if some parts are TE-cooled, easily affordable in a big budget system. > My first thought was maybe a bunch of stuff in a cryogenic system, but > it looks like most pieces are modules in a rack mainframe, and not in a > special environment. But, within the modules, I could picture some > degree (PTP) of TE-cooling being included, giving some margin on the > capabilities. > > Ed > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
