I used precidion resistors, ref02, and took care of the power supply. We'll see later, how it performs, I still have a lot of work to do. De Gianni Iz1dfi.
Il Mar 31 Mag 2022, 20:29 Luca via time-nuts <[email protected]> ha scritto: > Hi Gianni, > good job! > Did you take some special care about the EFC voltage stability vs. > temperature? > I had some trouble in that, playing around with a LPRO101. > It seems that a good voltage reference, a pair of high-precision resistor > at the ends of the multiturn pot to reduce the voltage span, end a good > multiturn pot, was not so good…. > I do not know what was wrong with that…. > Anyway a lot of fun! :-) > BR > Luca > Iw2lje > > > Il giorno mar 31 mag 2022 alle 18:35 Gianni Pastorino via time-nuts < > [email protected]> ha scritto: > > > And a heatsink, which I cut, taken from an inverter. I made the > dimensions > > of the Efratom. > > > > Regard. Gianni > > Iz1DFI > > > > Il Mar 31 Mag 2022, 14:58 paul swed <[email protected]> ha scritto: > > > > > Welcome to time-nuts Pastorino. Very nice reuse of some box. > > > A question how big is the heat sink on the Eftratom? > > > Or is it what came with the unit? > > > Regards > > > Paul > > > WB8TSL > > > > > > On Tue, May 31, 2022 at 1:42 AM Pastorino G. via time-nuts < > > > [email protected]> wrote: > > > > > >> Hello, this is my first post, the construction of Rubidium is going > on. > > >> Here are some photos. Efratom LPRO. > > >> > > >> Gianni > > >> _______________________________________________ > > >> time-nuts mailing list -- [email protected] > > >> To unsubscribe send an email to [email protected] > > > > > > > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe send an email to [email protected] > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe send an email to [email protected] _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe send an email to [email protected]
