[time-nuts] Schlumberger FA2527 ocxo
gianni at islandlabs.eu
Tue Jan 26 14:19:32 UTC 2016
> 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:
Il 25 gennaio 2016 12:32:29 +01:00, Luca Dal Passo <iw2lje at gmail.com> ha scritto:
> Hi group,
> Does anyone know something about the Schlumberger type FA2527 5MHz
> 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!
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