[time-nuts] Schlumberger FA2527 ocxo

Luca Dal Passo iw2lje at gmail.com
Fri Jan 29 14:49:30 EST 2016


Thank you Gianni. That unit looks quite different, but the informations can
be useful.
Bye
Luca

Il martedì 26 gennaio 2016, gianni <gianni at islandlabs.eu> ha scritto:

> > Hi
> > I have a OCXO marked Schlumberger Adret 622 used in Adret 4101A
> Frequency standard receiver
> > I do not know if it is similar but performance seem OK
> > It is a cube of about 70 mm with DB9 output connector ; frequency is
> 5MHz with external pot adj.
> > The ADEV seem good: data here <
> https://drive.google.com/file/d/0B6ckpiy-AuMMV1RWaTg1UHc1NjA/view?usp=sharing
> >
> > schematics here:
> > <
> https://drive.google.com/file/d/0B6ckpiy-AuMMM1ZfalFWTTY5cnM/view?usp=sharing
> >
> > <
> https://drive.google.com/file/d/0B6ckpiy-AuMMZmdTdG5WZGxCcEU/view?usp=sharing
> >
> > <
> https://drive.google.com/file/d/0B6ckpiy-AuMMaEs4cHh6NFhyOU0/view?usp=sharing
> >
> >
>
> Gianni
> Il 25 gennaio 2016 12:32:29 +01:00, Luca Dal Passo <iw2lje at gmail.com
> <javascript:;>> ha scritto:
>
> > Hi group,
> > Does anyone know something about the Schlumberger type FA2527 5MHz
> > OCXO?
> > It seems to be a good unit, with mumetal shield, coarse and fine
> frequency
> > adj multiturn pots, fine temperature trimmer, good voltage regulator,
> good
> > assembly and internal cylindrical thermal chamber surronded by a wire
> > resistence (double oven?).
> > It was used in Schlumberger electronic counters in the seventies or
> > eighties as a high stability option.
> > I'm trying to understand pin out and supply voltage, but I wish to know
> > some more information about functions of pins, and specifications.
> > Nothing found on the net.....
> > Thank you in advance!
> > Luca
> > iw2lje
> > Milano
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