coming soon? mini Cs vapor cell clocks

[SoundTech-LG]

http://teams.femto-st.fr/equipe-ohms/cs-vapor-cell-atomic-clocks

[edpalmer42]

Isn't this the same as:

https://www.microsemi.com/product-directory/clocks-frequency-references/3824-chip-scale-atomic-clock-csac

which has been commercially available for some years?

Ed

[SoundTech-LG]

Appears similar. Hopefully it is a price thing. $5300 for Microsemi's device is  a bit steep...
https://www.mouser.com/ProductDetail/Microsemi/090-02984-001?qs=sGAEpiMZZMvo8iywG0hSDQnxQwf0%252bKLL8OM7FiQJWwU%3d
 and the eval board is $1000

[edpalmer42]

Keep in mind that although these are Cesium devices, they aren't what you normally think of when you hear 'Cesium Standard'.  Their performance is similar to a Rubidium Standard.  i.e. they drift - slowly, but they do drift.

Ed

[Vgkid]

From what I remember reading a while ago these csacs are closer to the average rb oscillation in design , than a cesium clock. They used cesium instead of rubidium.

[SoundTech-LG]

Darn... I wanted a fountain on my wrist