[time-nuts] Re: Rubidium under construction

[Gianni Pastorino]

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 <time-nuts at lists.febo.com> 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 <
> time-nuts at lists.febo.com> 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 <paulswedb at gmail.com> 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 <
> > > time-nuts at lists.febo.com> wrote:
> > >
> > >> Hello, this is my first post, the construction of Rubidium is going
> on.
> > >> Here are some photos.  Efratom LPRO.
> > >>
> > >> Gianni
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